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HP0-J41 - Implementing HP StorageWorks P2000(R) Solutions - Dump Information

Vendor : HP
Exam Code : HP0-J41
Exam Name : Implementing HP StorageWorks P2000(R) Solutions
Questions and Answers : 120 Q & A
Updated On : December 7, 2018
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HP0-J41 Questions and Answers

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HP0-J41 Implementing HP StorageWorks P2000(R) Solutions

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HP0-J41 exam Dumps Source : Implementing HP StorageWorks P2000(R) Solutions

Test Code : HP0-J41
Test Name : Implementing HP StorageWorks P2000(R) Solutions
Vendor Name : HP
Q&A : 120 Real Questions

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HP Implementing HP StorageWorks P2000(R)

Hidden Admin Account allows Unauthorized entry to HP network Storage solution | killexams.com Real Questions and Pass4sure dumps

An undocumented administrative account with a default password was found in the HP StorageWorks P2000 G3 MSA network storage solution, putting all such devices susceptible to unauthorized access.

This mannequin invariably comes with an account known as "control" (password "!manage") for customers to customise and use.

youngsters, it changed into found that a default account known as "admin" with password "!admin" also exists on the device and, in accordance with the H protection, it would not seem within the user supervisor and can't be deleted.

The "admin" user has permissions to modify the machine's settings or the operating gadget and considering the fact that most people do not know of its presence, it puts contraptions at risk.

HP validated the problem and stated that this service administrator account "has vital privileges which are used by way of inside tactics operating on the array."

happily, it feels like the password may also be modified. "If the 'admin' account raises a security challenge, [it's] password may also be modified by using the Command Line Interface (CLI), through telnet or SSH, to change the default password," the business wrote in an advisory.

this is pretty simple and involves issuing the "set password" command after logging in as "admin" by the use of the command line.

"The observe of embedding hardcoded passwords, as tested in this most fresh HP storage device example, is not handiest typical, however extraordinarily risky," Shlomi Dinoor, vice chairman of rising applied sciences at identity management solutions company Cyber-Ark utility, instructed SecurityWeek.

"So too is the observe of attempting to ship programs with 'hidden' admin users, however during this age of openness, nothing is hidden, and vendors should still recognize that," he added.

One instance of how issues can go incorrect when enforcing default hidden passwords is the infamous Stuxnet industrial espionage worm, which makes use of a hardcoded access code to read guidance from the database of Siemens WinCC SCADA programs.


HP Collaborates with university at Buffalo to improve Computational research | killexams.com Real Questions and Pass4sure dumps

PALO ALTO, Calif., Jan. 29, 2004 - HP (NYSE:HPQ) these days announced it has joined forces with the institution at Buffalo, State college of manhattan (UB), to set up infrastructure technology and academic resources a good way to energy the school's world-type core for Computational analysis.

As a basis for bioinformatics and lifestyles sciences research, HP and UB are building an open storage area community (SAN) with a skill of 75 terabytes - able to housing roughly four instances the suggestions found in the Library of Congress.

HP services will assist design and set up the system and may give on-going onsite assist functions for UB. moreover, HP is providing cash for a one-12 months post-doctoral fellowship geared toward implementing a computational and statistics grid in western long island.

"HP technology will foster protein-structure decision research that UB scientists are conducting with colleagues on the Hauptman-Woodward clinical analysis Institute via supporting a big information warehouse that we generate and then mine with a view to optimize our software in molecular structure resolution," talked about Russ Miller, UB unique professor of desktop science and engineering, senior scientist on the Hauptman-Woodward clinical analysis Institute and director of the core for Computational analysis.

UB's new HP StorageWorks SAN links to a heterogeneous grid, giving researchers greater productive access to a must-have information and a reliable, bendy platform that permits the tuition to adapt to future infrastructure requirements and strategies.

The open SAN is composed of HP StorageWorks business digital Arrays, a StorageWorks ESL9595 tape backup answer and UNIX(r)-based mostly HP AlphaServer GS1280 methods. HP Consulting and Integration functions helped design and construct the equipment and should continue to deliver on-website technical assistance for at the very least two years.

The SAN also will support researchers in UB's department of Structural Biology on the Hauptman-Woodward medical research Institute. George DeTitta, Ph.D., executive director of the institute and UB professor of structural biology, plans to use the SAN for his analysis on macromolecular crystal growth.

"collectively UB and HP are atmosphere a precedent for advancing computational research so one can lead to breakthrough science," stated Miller.

HP helps the introduction of submit-doctoral analysis position

HP is presenting money to help a submit-doctoral student in UB's core for Computational analysis who will focal point on essential features of grid computing. This student additionally will serve as a liaison between the research core and key scientists and engineers at HP.

This submit-doctoral scholar will join Dr. Miller's research group, which turned into the recipient of a $2 million country wide Science basis award, to put in force a computational and information grid in western big apple that ties together facilities in a whole lot of agencies. This grid is at present operational in beta kind and is the use of the Shake-and-Bake algorithm of molecular structure determination as its examine automobile. extra tips on CCR and the grid is obtainable at www.ccr.buffalo.edu.

"HP has a longstanding heritage of presenting technologies that meet the most annoying computational challenges," observed Michael Humke, director of larger education, HP. "Our work with UB exemplifies how we are able to build a foundation for an environment that adapts to the campus' evolving needs and helps the college chart new floor in life sciences and bioinformatics."

About university at Buffalo

The school at Buffalo (UB) is a premier research-intensive public university, the greatest and most finished campus within the State college of long island. UB's greater than 27,000 students pursue their educational interests via greater than 300 undergraduate, graduate and professional diploma courses. The school offers the simplest levels in legislation, pharmacy and structure in the SUNY gadget, and is the domestic of the best finished public faculty of engineering in long island State. more advice about UB is obtainable atwww.buffalo.edu.

About HP

HP is a expertise solutions company to patrons, companies and associations globally. The enterprise's choices span IT infrastructure, very own computing and entry gadgets, world services and imaging and printing. For the fiscal year ending on Oct. 31, 2003, HP revenue totaled $seventy three.1 billion. extra suggestions about HP is obtainable at www.hp.com.


SAP equipment panorama Design and Planning processes | killexams.com Real Questions and Pass4sure dumps

This chapter is from the e-book 

be aware, a system panorama exists for every mySAP solution—if you installation R/3, APO, CRM, and PLM, you are going to in effect be creating four different SAP equipment landscapes, one for each and every product. The focus during this and the following few sections, even though, is on what one of these system landscapes feels like from a design and planning perspective, for instance R/three on my own or APO alone.

within the most regularly occurring kind, an SAP gadget panorama incorporates SAP instances (installations of the SAP database and utility software) and SAP servers. in the Microsoft world of SAP implementations, there's a one-to-one correlation between instances and servers nearly the entire time. it really is, the development illustration resides on a committed construction server, the look at various example resides on a committed look at various server, etc. on earth of UNIX implementations, notwithstanding, distinct cases can also be regularly found on a single "bigger" server. for instance, both building and look at various cases can stay on a single server. And multiple utility circumstances can be installed on a single server as smartly.

except final yr's unencumber of SAP's assorted add-ons, One Database (MCOD) initiative, there changed into a one-to-one correlation between situations and database methods, too, in spite of the operating equipment platform. MCOD is starting to change this, such that a single "higher" database will also be leveraged for numerous cases. youngsters, a vital difference between MCOD and distinct situations/one server exists—MCOD ties the identical type of databases within diverse SAP device landscapes together. With MCOD, all building databases used by your R/3, SRM, CRM, and place of work implementations can also be one and the equal. in a similar fashion, all examine databases throughout R/three, SRM, CRM, and place of work can be bundled together, too, as illustrated in figure 3.3. note, besides the fact that children, that in many circumstances SAP AG frowns on mixing OLTP and OLAP programs, or combining different databases within the same system panorama. In that regard, forcing an MCOD database server to host your R/three system's construction and verify databases would for this reason be unsupported and contrary to most efficient practices.

Figure 3.3figure three.3 A competently architected sample MCOD deployment is displayed for a standard mySAP enterprise which includes R/3, CRM, SRM, and office.

As we move forward with our basic understanding of SAP device landscapes, and are searching for to take note how your SAP solution imaginative and prescient affects and is impacted with the aid of your landscape choices, my hope is to obtain here:

  • word the relative importance and relationship of expertise views to our solution vision

  • be aware why every gadget landscape is important to gratifying our vision

  • notice how the presence or absence of a specific equipment inside a panorama impacts the different methods and subsequently the universal solution vision

  • All these design and planning approaches I cowl tend to come into play in one manner or yet another across all mySAP implementations. it be how they are weighted or addressed that makes one device landscape diverse from the next.

    Simplifying Your SAP system landscape

    After spending time with hundreds of shoppers and SAP implementations, I consider it is safe to claim that after all issues are equal, the want to simplify emerges as a crucial driver. Simplification takes many forms, too. in the case of the SAP gadget panorama and the way it fulfills our SAP answer vision, the desire to simplify manifests itself in any number of approaches:

  • First, the pure variety of cases should be decreased to the fewest crucial to get the job completed "correct" for a particular enterprise. an organization concentrated on simplifying administrative, trade administration, techniques administration, operations, and different initiatives will set up a three-system or perhaps a two-device panorama, whereas equivalent organizations with out the same simplification goals can deploy more. There are alternate-offs, of course. A gadget landscape and not using a dedicated examine instance will, for instance, be pressured to function checking out within the equal equipment used for building. as a result of these types of obstacles, simplification performed through example reductions is not as ordinary because it has been in the past.

  • as an alternative, a greater well-known method to simplification seeks to cut back the variety of physical servers in a specific gadget landscape, by means of installation varied instances on a single server. Consolidation of instances is becoming somewhat regular in SAP customer environments today, as displayed in figure three.four.

  • Figure 3.4figure 3.4 distinct SAP cases will also be put in and configured on a single actual server, frequently cutting back both acquisition and programs administration expenses down the road.

  • similarly, deploying a shared disk subsystem and tape backup/repair solution also simplifies a extremely complicated piece of the SAP solution Stack. here's why my colleagues and that i have spent so lots time in the ultimate two years designing and enforcing Storage enviornment Networks, or SANs—they deliver amazing performance whereas simultaneously cutting back gadget landscape complexity and permitting high priced elements like enterprise tape libraries to be shared between techniques.

  • one other consumer of mine shared with me why they went with the WebGUI as opposed to the traditional SAPGUI approach to device accessibility—to simplify laptop guide and protection requirements.

  • organizations that price simplification will also standardize on a particular solution stack alternative or strategy, too, as this simplifies guide and maintenance, and minimizes the need for a lot of onsite/reserved spare ingredients, the time spent in trade management actions, and more.

  • besides the fact that children simplification tends to work in one path by way of encouraging a "do more with less" philosophy, our subsequent subject goes the different route in that it purposefully introduces complexity and changes between various systems within a equipment panorama—high availability.

    high Availability and the SAP system landscape

    When it comes to excessive availability, many expertise authorities immediately feel about what it ability to improve the availability of a particular system or hardware component—recommendations of fundamental HA offerings like clustering or redundancy spring to mind. with regard to the broader subject matter of how your solution imaginative and prescient affects your SAP system landscape, notwithstanding, excessive availability equates to the following:

  • company-pushed requirements—HA choices and methods are consistently carried out to satisfy specific company-oriented needs, and for this reason kind an essential component of your standard SAP answer vision.

  • Complexity—HA complicates the SAP system panorama, as HA offerings and tactics tend to handiest in fact exist or apply to the production device and at minimal (hopefully!) a different similarly configured device within the panorama.

  • expanded assist needs—because HA offerings are inherently complicated, a very precise want exists to prepare your SAP assist firm in the way to install it, update it, control it, and troubleshoot HA issues.

  • To examine more about how business requirements relate to excessive availability, see "Availability Planning—Documenting requirements and Key Drivers," p. 167 in Chapter 6.

    catastrophe healing issues

    All businesses put into effect a way of addressing disaster healing (DR), no matter if or no longer they in fact comprehend it. Even companies that don't add a dedicated DR system to their device landscape address catastrophe recuperation. it is, their de facto catastrophe healing plan readily reflects the challenges and timeframes surrounding rebuilding their SAP equipment from scratch, restoring from their latest tape backup, and imposing upon their conclusion users to manually rekey any new business transactions lost between the final a hit tape backup and the element at which the disaster took place. This does not sound like a great deal of a "plan," of direction, but it does represent a baseline against which all other catastrophe recuperation strategies and options can be weighed.

    a number of DR strategies are mentioned right through Chapter 6, from these involving disk subsystem facts replication options, to numerous clustering options, to database and mySAP-selected tactics. but when it involves sifting the expertise design of your SAP system panorama via your solution vision, two established methods fall out:

    each processes are valid, and the primary is extra usual. but I agree with that the time and rate concerning establishing, configuring, maintaining current, and managing your own DR gadget explains the recent enhance in outsourcing I've considered over the last two years.

    To review one of the most projects and considerations inherent to addressing DR internally as adverse to outsourcing it, see "SAP widely wide-spread Availability and DR choicest Practices," p. 207 in Chapter 6.

    businesses that outsource the DR component of their SAP system landscape aid to keep their data, and access to this facts, in that the outsourcer operates a completely independent records middle, typically in a extremely diverse geographic vicinity. For smaller and mid-measurement companies with simplest a single records middle, the price relief is tremendous. having said that, if the DR solution is maintained "in-condo," as a way to communicate, it's going to should be housed in a separate facility. This alone is sure to power complexity, can charge, and even the structure and make-up of each the SAP system panorama and its particular person programs.

    Addressing practising requirements

    The SAP gadget panorama is without delay impacted with the aid of the competencies need to educate SAP end clients as neatly because the system's builders and technical assist team of workers. Three diverse systems come into play, as illustrated in determine three.5:

  • A committed training gadget is regularly carried out to help in educating clients new to a particular mySAP part how to actually use the gadget. This amounts to enterprise-process practising in addition to SAP user interface practicing (a superb alternative to developing numerous working towards purchasers on the look at various device, which is busy gratifying integration tasks ahead of Go-reside—the accurate time when end users need to be educated!). To supply the most value to its students, the working towards system has to be an exact copy of production.

  • A dedicated Technical Sandbox device is extremely advantageous in helping the SAP Technical help organization (SAP TSO) arise to pace on the whole SAP solution Stack, notably with reference to new components and sophisticated HA choices (in preference to trying to get time on other systems for what may volume to crash-and-burn checking out).

  • A dedicated enterprise Sandbox or development Sandbox system permits builders unfamiliar with a selected mySAP part, or confronted with integrating distinct components and different legacy methods, the opportunity to accomplish that in a pure testing atmosphere (rather than the precise development system).

  • Figure 3.5figure 3.5 These SAP practising systems help the distinct wants of different companies, from end users, to developers and programmers, to technical implementation consultants.

    For details as to how the SAP equipment landscape satisfies the training wants of both the SAP Technical aid corporation and the construction equipment's end clients, see "practicing and the function of the SAP device landscape," p. 314 in Chapter 9.

    it could characterize fairly a problem for the "consumers" of 1 of these working towards programs to persuade all and sundry that this kind of system is really required. In my own journey, I even have considered the shortcoming of a Technical Sandbox really damage a firm in terms of downtime due to botched infrastructure enhancements and changes to DR techniques.

    one more colleague of mine has more than once had to strongly push for the adoption of a training device, too. such a system permits for huge informal consumer testing and follow outdoor of formally delivered working towards. He believes that this extra degree of palms-on self-directed working towards is vital as a result of your end-consumer neighborhood is top of the line located of all companies to find business-process operational blunders and obstacles. and of course it is fascinating to correct these issues smartly earlier than Go-are living. however a consultant or perhaps a senior tremendous consumer is usually not positioned to push the adoption and use of a dedicated training system. more often than no longer, it takes the SAP steering Committee, the challenge's skilled administration group, and the prodding of a knowledgeable SAP answer Architect to achieve this. I cannot stress this enough—the risk is huge, in that you just don't want to discover too late that not each enterprise scenario works because it did right through integration trying out (for instance, all kinds of contracts, all kinds of fabric movements, every kind of accounting entries, and the like).

    The performance-pushed device landscape

    When it involves evaluating your answer imaginative and prescient in opposition t the layout of your SAP system panorama, it is essential to make sure that the efficiency of the methods meets the needs of their different end-consumer communities. many of the time, of route, the center of attention is on designing, installing, and configuring a smartly-performing production system. efficiency considerations always relate returned to what an conclusion user will experience whereas on the equipment, including

  • enterprise transaction response instances, or how lengthy it takes to refresh your SAPGUI after urgent the Enter key, as an example.

  • How directly a historical past or "batch" job will execute, otherwise referred to as throughput.

  • How at once a document or different query will make it during the system and basically be printed, every so often called latency.

  • To read more about verifying that a production gadget can meet performance expectations, see "Key SAP Stress-trying out issues," p. 580 in Chapter sixteen.

    youngsters, these equal efficiency considerations observe to the entire other systems in the SAP equipment landscape, too. The building system, for instance, must reveal awesome efficiency even whereas 25 or 50 or greater builders are banging away at keyboards attempting to build your custom mySAP answer. similarly, your test device should provide the efficiency quintessential to get via integration checking out. Even the practicing system needs to give adequate consumer response instances with a purpose to make the specific working towards event greater than whatever to be prevented.

    high-efficiency issues cowl the gamut, touching each side of each equipment inside the landscape. This capability that everything—from the efficiency of the network connecting every gadget, to each and every server's CPU, RAM, and disk configuration, to each device's OS, database, and mySAP component—need to be addressed. starting off on the appropriate foot (with competently sized and configured hardware and software facets) is paramount, of course, however tuning all these answer stack pieces to create a cohesive well-working computing device is barely as important to achieving superb performance. like the weakest hyperlink in a sequence, a single underperforming solution part will most effective throttle again the highest efficiency in any other case obtainable out of your equipment.

    riding Scalability into Your device landscape

    The need for scalability, like excessive availability and remarkable performance, is addressed essentially through the sizing technique. Scalability does not repay up entrance when it comes to more advantageous device availability or more suitable person response instances, although. fairly, scalability is all about procuring "headroom" to your device, headroom that isn't really necessary at current however might possibly be required in the close future. In different words, scalability addresses future planned and unplanned growth in your equipment.

    This increase can manifest itself in a few techniques. In my experience in the precise world, I even have considered the results of unplanned growth harm organizations where scalability become under no circumstances addressed, as in right here circumstances:

  • The variety of conclusion users accelerated at one in every of my new bills, no longer due to extra hiring than became anticipated when their mySAP.com answer was crafted, but as a result of they abruptly got their competitor and doubled in measurement. We had six months to mission the delta essential when it comes to database and utility server processing power and RAM necessities, adopted by means of stress-testing the new design and at last enforcing it.

  • more than one of my consumers' databases grew so fast that they outstripped the consequences of their complete three-year database sizing methodology in the first 12 months! In most cases, the device we put in region for these consumers was scalable—greater disk drives may be introduced, smaller drives may be swapped with bigger ones, and the like. In three instances in selected, although, the database growth become so explosive that an entire new disk subsystem platform needed to be brought in, and the these days acquired latest platform retired (or redeployed) years sooner than anticipated.

  • When databases grow at once, the tape backup/repair solution carried out commonly grows much less positive as smartly. I even have viewed this most commonly in relatively small SAP implementations, the place an initial funding in tape backup expertise needed to be tossed in desire of tape solutions that backed up extra statistics per tape cartridge, and did so quick sufficient to no longer exceed the customer's backup window (time disbursed to perform a backup, which constantly equates to deliberate downtime within the case of offline full backups).

  • it be been a while, but I additionally had a customer outgrow their network, too. these days, with switched networks and Gigabit Ethernet proposing greater than adequate bandwidth to every mySAP.com server component, and low cost 10- and 100-Megabit Ethernet general throughout conclusion-consumer workstations, there isn't any excuse for lacking network scalability.

  • Outstripping the capabilities of your existing equipment such that a new platform is needed probably represents a worst-case situation. no longer handiest does the latest creation component need to be replaced, but to aid sound exchange manage principles, so does the same part in your look at various, Staging, and/or Technical Sandbox environments.

    here's why hardware and software carriers tout issues like "highly scalable equipment architectures," "enterprise models" of specific working programs and Database techniques, etc—though now not always mandatory up entrance, the headroom that these tactics supply helps a company believe extra relaxed if they finally end up starting to be faster than they expected. And hardware companies in particular can place their SAP shoppers for stronger scalability with the aid of training right here:

  • Specify server systems that permit additional CPUs and RAM to be brought as vital. In other words, avoid "maxing out" the field.

  • on the other hand, design SAP solutions such that they take competencies of SAP's assist for horizontal scalability. here is one in all my favourite processes when it involves SAP utility, internet AS, J2EE middleware, and ITS servers—I choose to max them out with reference to processors, with the figuring out that an incremental number of servers can be introduced at any time should the ambiance develop to require it (apparently, besides the fact that children SAP has successfully tested a system operating more than one hundred sixty utility servers, it is unusual to locate customer implementations with more than 10 or 12).

  • Architect an answer for the appropriate stage of vertical scalability. In other words, if a two-tier "crucial equipment" (the place all SAP utility accessories execute on the same physical server) approach to sizing meets cutting-edge necessities, most likely a three-tier answer will supply for unknown scalability necessities. In a three-tiered architecture, one database server and distinctive utility servers are configured as a single equipment image.

  • Architect a totally scalable database platform. As my actual-world examples prior in this checklist illustrate, this tends to be the place an absence of scalability causes essentially the most complications.

  • Hardware and software vendors alike spend a great deal of time "proving" how scalable their offerings are. As a primary step, I indicate that benchmarks, customer references/feedback, and the outcomes of tests published via white papers and different technical files be reviewed by way of potential mySAP customers. I also indicate that you just begin on account that new tactics to scalability. for example, HP's iCOD offering touts "potential on demand." When a consumer buys a server, as an instance, it's completely populated with CPUs. The client pays for only what is needed within the near time period, besides the fact that children. Later, whether it is determined that greater processing vigour is required, the customer takes expertise of the in-location processors by means of only making use of for a license; no intrusive field upgrade or provider call is required and for this reason the need for deliberate downtime is enormously reduced.

    The TCO-pushed gadget panorama

    more than anything, total charge of ownership (TCO) drives what a solution vision really appears like on the end of the day, when a mySAP answer is applied and basically getting used. Discussions on TCO could as a substitute be labeled Return on investment (ROI), or could fall below the heading of investment insurance plan. Regardless, a focus on decreasing TCO seeks to locate less high priced solution-stack alternate options that nonetheless meet the needs of the company.

    To study extra concerning the relationship between TCO and your SAP answer imaginative and prescient, see "How the SAP solution vision Drives TCO," p. 127 in Chapter 5.

    When all other things are equal, the following features apply from a hardware standpoint:

  • A hardware supplier's use of usual add-ons like CPUs and reminiscence boards enables flexible sharing of resources between diverse SAP device landscapes and in some situations hardware platforms, too.

  • similarly, ordinary disk pressure form elements in the reduction of cost of possession by way of increasing reusability.

  • guide for decent-pluggable and/or hot-add hardware components eliminates or worst-case minimizes downtime (can include hard drives, tape drives, energy supplies, enthusiasts, and even RAM and processors).

  • assist for redundant accessories, like power substances, disk drives, fans, and so forth, also eliminates or minimizes downtime.

  • The means to run mixed-speed CPUs or RAM in a specific platform protects that funding—CPUs and RAM wouldn't have to be tossed apart when additional processing energy or memory is required.

  • Outsourcing your complete SAP infrastructure/operations group is a different potential components of reducing TCO. basically, outsourcing can signify the biggest expertise TCO factor that an organization will believe. At this degree, even though, outsourcing becomes extra of a strategic business answer that impacts a lot more than easily TCO. proper, outsourcing can reduce labor fees by way of 50%, and enhance flexibility of a technical guide company to quite simply exchange as enterprise requirements change, but there are drawbacks and downsides as well (mentioned later during this chapter).

    an extra solution vision approach that impacts the SAP system landscape from both a configuration and TCO standpoint is using an application provider issuer (ASP). ASPs can drive decrease TCO by advantage of their application-selected abilities, above and past that offered by means of in-residence staff and standard outsourcing suppliers. as an example:

  • An ASP can offer a preconfigured solution stack for the particular mySAP solution you wish to put into effect. here's one explanation why they seem to be so decent from a TCO standpoint—design, deployment, manageability, operations, and different cost elements are considerably decreased because of a excessive level of both standardization and core talents in the features they give.

  • ASPs have been more or much less born out of the dot-com era, and with the aid of virtue of this, their statistics centers enjoy the advantage of fat redundant pipes to the cyber web. consequently, mySAP.com purposes are well located to take capabilities of this bendy and strong accessibility alternative.

  • ASPs present wonderful financing alternate options, in that they accomplice with numerous SAP know-how companions to make leasing, pay-as-you-go, and other price strategies accessible.

  • The ASP issuer market shrank over the remaining few years. The mySAP-focused businesses that weathered these challenging times look even more desirable prepared and neatly-placed to host SAP options, besides the fact that children.

    protection issues

    i do know of no enterprise that does not envision retaining its corporate computing belongings. From a solution-stack protection standpoint, not all software carriers are created equal, besides the fact that children. Oracle touts its unbreakable database, UNIX providers tout the mighty safety elements of their operating environments, and the like. In my eyes, safety points are very vital, but decent safety is greater commonly about managing and checking out adjustments to a solution stack, through carefully choosing safety holes and different weaknesses in new answer stack components earlier than these components ever locate themselves in creation.

    however, companies that embody and act upon the idea of protecting computing assets will show to be better companions ultimately. this is why I consider that Oracle's focal point on safety pays huge dividends in terms of slowing the adoption of competing databases. And it is why I trust that the depended on computer joint Intel, AMD, and Microsoft imaginative and prescient (once labeled with the aid of Microsoft as Palladium, and now observed as the "subsequent-era comfy computing base for windows") will prove fruitful as well. Its aim is to construct protection into servers and PCs at a microprocessor level. New initiatives popping out of the depended on Computing Platform Alliance promise to more suitable at ease our processing structures, making certain that only approved purposes and software executables can ever be carried out by means of the equipment, and that all records housed on the system is encrypted in order that it's pointless to others. To this conclusion, Microsoft considers relied on computing device a big part of its trustworthy Computing strategy—we may still see some thing commercially accessible in this regard by using 2004 that applies to server as well as desktop and other computing platforms.

    Manageability issues

    No customers of mine have ever began their preliminary SAP implementation planning discussions with me via saying:

    "George, all that high-availability and performance stuff is first-class, but what we basically need is a pleasant manageable equipment. are you able to do that for us?"

    by the time Go-reside looms just over the horizon, even though, each certainly one of them—devoid of exception—has indicated a starting to be problem for manageability. bound, or not it's there on the mission plan, and any variety of products can be used to guide managing your mySAP atmosphere. but the entire container of manageability is greater complex and extra work than you could imagine. believe the following:

  • each layer within the SAP solution Stack should be managed; the risk of now not preserving an eye fixed on a specific layer or answer component affects the uptime of the whole device.

  • because each and every layer is so distinct from the others, it's well-nigh impossible to find a single management product that may really monitor and file on greater than a couple of layers, a whole lot much less the whole stack.

  • therefore, the next smartest thing becomes attempting to find a product that may as a minimum interoperate efficiently with different products.

  • on the end of the day, three, 4, or much more equipment and utilities ought to ultimately be fused collectively to provide a holistic view of a mySAP answer stack. this is challenging, to say the least!

  • To be taught precisely how challenging piecing collectively a administration method may also be, see "systems administration recommendations for SAP," p. 511 in Chapter 14.

    on account of the challenges inherent to managing hardware and application items from loads of distinctive solution stack companies, a few of my consumers have purposely chosen under "most suitable-of-breed" items for their SAP options, in an effort to cut the number of software companions involved. Or they have got decided to reduce the variety of companions and vendors altogether by means of deciding upon one of the vital big enterprise hardware/features companies. The evident companions are clear—HP, IBM, and solar. as an instance, if you go along with HP and choose to enforce an rp8400-primarily based server platform with an HP StorageWorks SAN, operating HP-UX 11i, and managed by using HP OpenView, the challenges inherent to managing 4 diverse vendors' products just dropped extremely. identical arguments can be made for going with an IBM or sun answer stack, too—IBM even throws a couple of databases into the combine.

    The device panorama and Accessibility

    The closing enviornment I are looking to cowl with regard to answer vision and the SAP device landscape is accessibility. Many organizations over the remaining three or four years have started with a imaginative and prescient of dumping all utility-selected interfaces in choose of browser-enabled solutions, with a purpose to ease the burdens and fees associated with desktop/computing device administration whereas opening up new accessibility approaches like hand-helds and other wireless contraptions. SAP has supported that imaginative and prescient due to the fact 1996, with the advent of internet connectivity in R/three 3.1G. but best within the ultimate few years have I basically viewed this take off.

    SAP AG offers somewhat a couple of accessibility alternate options nowadays when it comes to mySAP solutions. The classic SAPGUI and its revamped and more ready EnjoySAP SAPGUI signify one end of the spectrum. This approach is safe, very mainstream, and extremely effortless to put into effect. And the SAPGUI we now have nowadays is extraordinarily finished, aiding all mySAP components via a single interface, which is not like the method a few years in the past where every so-called "New Dimension" product like BW or APO required its own GUI. but the SAPGUI still represents a standard utility-particular strategy to accessibility; each and every conclusion user installs the customer on their desktop or computer, or runs the SAPGUI from a community share, and off they go.

    other accessibility tactics can be found, although, as you see in figure three.6. The fashioned WebGUI, as an instance, is in line with HTML and offers connectivity by way of Microsoft's web Explorer and so on. And a extra contemporary addition, the JavaGUI, allows for native Java-based access to SAP. both of these approaches fulfill a web-based mostly method to connectivity, and due to this fact simplify the laptop (assuming web connectivity is a typical computing device providing at your selected enterprise, of path).

    Figure 3.6figure three.6 entry to mySAP solutions is reasonably assorted these days, starting from traditional and up to date SAPGUI options to newer internet-enabled versions.


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    Implementing HP StorageWorks P2000(R) Solutions

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    Hidden Admin Account Allows Unauthorized Access to HP Network Storage Solution | killexams.com real questions and Pass4sure dumps

    An undocumented administrative account with a default password was discovered in the HP StorageWorks P2000 G3 MSA network storage solution, putting all such devices at risk of unauthorized access.

    This model normally comes with an account called "manage" (password "!manage") for customers to customize and use.

    However, it was discovered that a default account called "admin" with password "!admin" also exists on the device and, according to the H Security, it doesn't appear in the user manager and cannot be deleted.

    The "admin" user has permissions to modify the equipment's settings or the operating system and given that most people don't know of its presence, it puts devices at risk.

    HP confirmed the problem and said that this service administrator account "has necessary privileges that are used by internal processes running on the array."

    Fortunately, it looks like the password can be modified. "If the 'admin' account raises a security concern, [it's] password can be modified by using the Command Line Interface (CLI), through telnet or SSH, to change the default password," the company wrote in an advisory.

    This is pretty straightforward and involves issuing the "set password" command after logging in as "admin" via the command line.

    "The practice of embedding hardcoded passwords, as demonstrated in this most recent HP storage device example, is not only commonplace, but extremely risky," Shlomi Dinoor, vice president of emerging technologies at identity management solutions provider Cyber-Ark Software, told SecurityWeek.

    "So too is the practice of attempting to ship systems with 'hidden' admin users, but in this age of openness, nothing is hidden, and vendors should know that," he added.

    One example of how things can go wrong when implementing default hidden passwords is the notorious Stuxnet industrial espionage worm, which makes use of a hardcoded access code to read information from the database of Siemens WinCC SCADA systems.


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    REDMOND, Wash., Nov. 27, 2001 — Microsoft Corp. today announced an integrated next-generation solution designed to enhance knowledge worker productivity. The Microsoft® Solution for Intranets (MSI) enables the deployment of an advanced knowledge workplace comprising Web-based team collaboration, information management and discovery, and broadcast delivery of business communications to every employee desktop. The MSI includes prescriptive architecture and deployment guidance for building a comprehensive intranet with SharePoint™ Portal Server, SharePoint Team Services, Office XP, Microsoft SQL Server™ , the Windows® 2000 operating system and Windows Media™ Technologies, as well as implementation services and ongoing product support.

    H & R Block, a diversified financial products and services company, is an early adopter of the solution and is already reporting benefits in terms of improved employee productivity, improved operational efficiency and lower desktop support costs. As the market leader for tax preparation services and the nations seventh largest accountancy, H & R Block employs an increasingly diverse and specialized work force of financial advisors, tax professionals and other sales associates. As the company has expanded, its business has undergone rapid growth and transformation. With it has come the need for new product development, increased training and more regular corporate communication.

    “Executive management recognized the value-added role that a flexible portal solution would bring to the company,” said Bernie Wilson, senior vice president of H & R Block Financial Advisors. “We needed a platform solution that enabled all our financial advisors to easily and quickly search, access and manage information on our products and services, yet also provide centralized administration and secure access. Using the Microsoft [intranet] solution, we were able to get up and running quickly and have near-instant functionality that enabled us to rapidly publish our existing content, thereby allowing our financial advisors to immediately apply it in client-facing situations. The Windows Media Broadcast component has allowed us to replace face-to-face meetings with online product and sales trainings as well as a simplified way to communicate with all financial advisors. The speed of deployment and flexibility of the [Microsoft] solution is already showing great return on investment.”

    With the Microsoft Solution for Intranets, organizations will realize increased knowledge worker productivity

    and improved business agility. Once deployed, the solution provides a portal for rapid access to business information, including media broadcast, a collaboration space for teams and intuitive document management. The Windows Media Broadcast component of the solution allows corporations to make their communications more effective by delivering real-time or on-demand broadcasts to every employee desktop. Since many of todays organizations are geographically dispersed, Windows Media Broadcast capabilities allow them to cut travel costs and conduct virtual company meetings and online learning initiatives such as field sales training. With the complete MSI, companies also can reduce costs by mining organizational knowledge and leveraging existing IT infrastructures.

    Four of the worlds leading systems integrators have embraced the Microsoft Solution for Intranets as an important business value to customers and are building dedicated services around the solution.

  • Avanade Inc. plans to offer integration services for the Microsoft Solution for Intranets. Through a combination of expertise in Microsoft products and a proprietary framework called the Avanade Component Architecture, or ACA.Portal, Avanades solution will help enterprises establish a flexible, reliable and scalable portal solution. More information on the Avanade solution can be found at http://www.avanade.com/ .

  • Cap Gemini Ernst & Young will offer n-Portal, a knowledge management solution arising from the combination of the Microsoft Solution for Intranets and Cap Gemini Ernst & Youngs expertise in knowledge management. The solution will provide customers with a lower cost of ownership and a customized portal that harnesses the knowledge and capabilities of critical business communities. More information on the Cap Gemini Ernst & Young solution is available at http://www.us.cgey.com/about/alliance/alliance_detail.asp?id=11 .

  • Compaq Computer Corp. will offer the Compaq Solution for Intranets, which leverages industry-standard Compaq ProLiant servers and Compaq StorageWorks products that have been tested and characterized running Microsoft Solution for Intranets software, as well as complete life-cycle services from Compaq Global Services. More information on the Compaq solution is available at http://www.compaq.com/ .

  • Hewlett-Packard Co. will offer HP Collaboration Portal Solutions to increase employee productivity and information sharing within enterprise organizations. In addition to providing hardware, software and support services, a dedicated team of HP consultants with in-depth expertise is available to assist customers in designing and implementing customized portals based on Microsoft Solution for Intranets. More information on the HP solution is available at http://www.hp.com/go/sharepoint/ .

  • “Companies increasingly view corporate intranets as highly leveraged investments that enable employees to work more efficiently and effectively by unlocking knowledge stored within the organization and collaborating on that information with colleagues,” said Jeff Teper, general manager of the Portal Business Group at Microsoft. “This solution will give knowledge workers the tools to facilitate better information sharing and retrieval as well as deliver live and on-demand multimedia communication directly to employee desktops.”

    About Microsoft Solution Offerings

    The Microsoft Solution for Intranets is the third in a series of Microsoft solutions designed to provide focused, business- and industry-specific solutions to customers. The solution offerings combine the power of Microsofts enterprise software (Windows, Windows Servers, Microsoft .NET Enterprise Servers and Office) with prescriptive tools, support and services from Microsoft and partners to solve the most common business and IT problems facing companies today. Other recently announced solutions include the BizTalk™ Accelerator for HIPPA and the Microsoft Solution for Supplier Enablement.

    About Microsoft

    Founded in 1975, Microsoft (Nasdaq “MSFT” ) is the worldwide leader in software, services and Internet technologies for personal and business computing. The company offers a wide range of products and services designed to empower people through great software — any time, any place and on any device.

    Microsoft, SharePoint, Windows, Windows Media and BizTalk are either registered trademarks or trademarks of Microsoft Corp. in the United States and/or other countries.

    The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

    Note to editors: If you are interested in viewing additional information on Microsoft, please visit the Microsoft Web page at http://www.microsoft.com/presspass/ on Microsofts corporate information pages.


    SAP System Landscape Design and Planning Approaches | killexams.com real questions and Pass4sure dumps

    This chapter is from the book 

    Remember, a system landscape exists for each mySAP solution—if you deploy R/3, APO, CRM, and PLM, you will in effect be creating four different SAP system landscapes, one for each product. The focus in this and the following few sections, though, is on what one of these system landscapes looks like from a design and planning perspective, for example R/3 alone or APO alone.

    In the most general form, an SAP system landscape consists of SAP instances (installations of the SAP database and application software) and SAP servers. In the Microsoft world of SAP implementations, there is a one-to-one correlation between instances and servers nearly all the time. That is, the Development instance resides on a dedicated Development server, the Test instance resides on a dedicated Test server, and so on. In the world of UNIX implementations, though, multiple instances can be often found on a single "larger" server. For example, both Development and Test instances can reside on a single server. And multiple application instances can be installed on a single server as well.

    Until last year's release of SAP's Multiple Components, One Database (MCOD) initiative, there was a one-to-one correlation between instances and database systems, too, regardless of the Operating System platform. MCOD is beginning to change this, such that a single "larger" database can be leveraged for multiple instances. However, an important difference between MCOD and multiple instances/one server exists—MCOD ties the same type of databases within different SAP system landscapes together. With MCOD, all Development databases used by your R/3, SRM, CRM, and Workplace implementations can be one and the same. Similarly, all Test databases across R/3, SRM, CRM, and Workplace can be bundled together, too, as illustrated in Figure 3.3. Note, however, that in many cases SAP AG frowns on mixing OLTP and OLAP systems, or combining different databases within the same system landscape. In that regard, forcing an MCOD database server to host your R/3 system's Development and Test databases would therefore be unsupported and contrary to best practices.

    Figure 3.3Figure 3.3 A properly architected sample MCOD deployment is displayed for a typical mySAP enterprise consisting of R/3, CRM, SRM, and Workplace.

    As we move forward with our basic understanding of SAP system landscapes, and seek to understand how your SAP solution vision impacts and is impacted by your landscape decisions, my hope is to achieve the following:

  • Note the relative importance and relationship of technology perspectives to our solution vision

  • Understand why each system landscape is important to fulfilling our vision

  • Note how the presence or absence of a particular system within a landscape impacts the other systems and ultimately the overall solution vision

  • All these design and planning approaches I cover tend to come into play in one manner or another across all mySAP implementations. It's how they are weighted or addressed that makes one system landscape different from the next.

    Simplifying Your SAP System Landscape

    After spending time with hundreds of customers and SAP implementations, I think it is safe to say that when all things are equal, the desire to simplify emerges as an important driver. Simplification takes many forms, too. In the case of the SAP system landscape and how it fulfills our SAP solution vision, the desire to simplify manifests itself in any number of ways:

  • First, the pure number of instances will be reduced to the fewest necessary to get the job done "right" for a particular company. An organization focused on simplifying administrative, change management, systems management, operations, and other tasks will deploy a three-system or even a two-system landscape, whereas similar organizations without the same simplification goals can deploy more. There are trade-offs, of course. A system landscape without a dedicated test instance will, for example, be forced to perform testing in the same system used for development. Because of these kinds of limitations, simplification achieved through instance reductions is not as common as it has been in the past.

  • Instead, a more popular approach to simplification seeks to reduce the number of physical servers in a particular system landscape, by installing multiple instances on a single server. Consolidation of instances is becoming quite common in SAP customer environments today, as displayed in Figure 3.4.

  • Figure 3.4Figure 3.4 Multiple SAP instances can be installed and configured on a single physical server, oftentimes reducing both acquisition and systems management costs down the road.

  • Similarly, deploying a shared disk subsystem and tape backup/restore solution also simplifies a very complex piece of the SAP Solution Stack. This is why my colleagues and I have spent so much time in the last two years designing and implementing Storage Area Networks, or SANs—they provide outstanding performance while simultaneously reducing system landscape complexity and allowing expensive resources like enterprise tape libraries to be shared between systems.

  • Another customer of mine shared with me why they went with the WebGUI as opposed to the classic SAPGUI approach to system accessibility—to simplify desktop support and maintenance requirements.

  • Companies that value simplification will also standardize on a particular solution stack option or approach, too, as this simplifies support and maintenance, and minimizes the need for a variety of onsite/reserved spare parts, the time spent in change management activities, and more.

  • Although simplification tends to work in one direction by encouraging a "do more with less" philosophy, our next topic goes the other route in that it purposefully introduces complexity and differences between various systems within a system landscape—high availability.

    High Availability and the SAP System Landscape

    When it comes to high availability, many technology professionals automatically think about what it means to improve the availability of a particular system or hardware component—thoughts of basic HA offerings like clustering or redundancy come to mind. With regard to the broader topic of how your solution vision impacts your SAP system landscape, though, high availability equates to the following:

  • Business-driven requirements—HA offerings and approaches are normally implemented to satisfy specific business-oriented needs, and therefore form an integral part of your overall SAP solution vision.

  • Complexity—HA complicates the SAP system landscape, as HA offerings and approaches tend to only really exist or apply to the Production system and at minimum (hopefully!) another similarly configured system within the landscape.

  • Increased support needs—Because HA offerings are inherently complex, a very real need exists to prepare your SAP support organization in how to install it, update it, manage it, and troubleshoot HA issues.

  • To read more about how business requirements relate to high availability, see "Availability Planning—Documenting Requirements and Key Drivers," p. 167 in Chapter 6.

    Disaster Recovery Considerations

    All companies implement a method of addressing Disaster Recovery (DR), whether or not they actually realize it. Even companies that do not add a dedicated DR system to their system landscape address disaster recovery. That is, their de facto disaster recovery plan simply reflects the challenges and timeframes surrounding rebuilding their SAP system from scratch, restoring from their latest tape backup, and imposing upon their end users to manually rekey any new business transactions lost between the last successful tape backup and the point at which the disaster occurred. This doesn't sound like much of a "plan," of course, but it does represent a baseline against which all other disaster recovery approaches and solutions can be weighed.

    A host of DR approaches are discussed throughout Chapter 6, from those involving disk subsystem data replication solutions, to various clustering solutions, to database and mySAP-specific tactics. But when it comes to sifting the potential layout of your SAP system landscape through your solution vision, two general approaches fall out:

    Both approaches are valid, and the first is more traditional. But I believe that the time and expense related to setting up, configuring, keeping current, and managing your own DR system explains the recent increase in outsourcing I've seen over the last two years.

    To review some of the tasks and considerations inherent to addressing DR internally as opposed to outsourcing it, see "SAP General Availability and DR Best Practices," p. 207 in Chapter 6.

    Companies that outsource the DR component of their SAP system landscape help to preserve their data, and access to this data, in that the outsourcer operates a completely independent data center, typically in a very different geographic location. For smaller and mid-size companies with only a single data center, the expense relief is tremendous. On the other hand, if the DR solution is maintained "in-house," so to speak, it will need to be housed in a separate facility. This alone is sure to drive complexity, cost, and even the architecture and makeup of both the SAP system landscape and its individual systems.

    Addressing Training Requirements

    The SAP system landscape is directly impacted by the potential need to train SAP end users as well as the system's developers and technical support staff. Three different systems come into play, as illustrated in Figure 3.5:

  • A dedicated Training system is often implemented to assist in teaching users new to a particular mySAP component how to actually use the system. This amounts to business-process training as well as SAP user interface training (an excellent alternative to creating multiple training clients on the Test system, which is busy fulfilling integration responsibilities prior to Go-Live—the exact time when end users need to be trained!). To provide the most value to its students, the Training system needs to be an exact copy of Production.

  • A dedicated Technical Sandbox system is extremely useful in helping the SAP Technical Support Organization (SAP TSO) get up to speed on the entire SAP Solution Stack, especially with regard to new components and complex HA offerings (rather than attempting to get time on other systems for what could amount to crash-and-burn testing).

  • A dedicated Business Sandbox or Development Sandbox system allows developers unfamiliar with a particular mySAP component, or faced with integrating multiple components and other legacy systems, the opportunity to do so in a pure testing environment (rather than the real Development system).

  • Figure 3.5Figure 3.5 These SAP training systems support the different needs of different organizations, from end users, to developers and programmers, to technical implementation specialists.

    For details as to how the SAP system landscape satisfies the training needs of both the SAP Technical Support Organization and the production system's end users, see "Training and the Role of the SAP System Landscape," p. 314 in Chapter 9.

    It can represent quite a challenge for the "customers" of one of these training systems to convince everyone that such a system is truly required. In my own experience, I have seen the lack of a Technical Sandbox really hurt an organization in terms of downtime due to botched infrastructure upgrades and changes to DR processes.

    Another colleague of mine has more than once had to strongly push for the adoption of a Training system, too. Such a system allows for extensive informal user testing and practice outside of formally delivered training. He believes that this extra level of hands-on self-directed training is critical because your end-user community is best positioned of all groups to find business-process operational errors and limitations. And of course it is desirable to correct these issues well before Go-Live. But a consultant or even a senior super user is typically not positioned to push the adoption and use of a dedicated Training system. More often than not, it takes the SAP Steering Committee, the project's experienced management team, and the prodding of a knowledgeable SAP Solution Architect to do so. I cannot stress this enough—the risk is huge, in that you do not want to find out too late that not every business scenario works as it did during integration testing (for example, all types of contracts, all types of material movements, all kinds of accounting entries, and so on).

    The Performance-Driven System Landscape

    When it comes to evaluating your solution vision against the layout of your SAP system landscape, it is important to ensure that the performance of the systems meets the needs of their different end-user communities. Most of the time, of course, the focus is on designing, installing, and configuring a well-performing Production system. Performance considerations usually relate back to what an end user will experience while on the system, including

  • Business transaction response times, or how long it takes to refresh your SAPGUI after pressing the Enter key, for example.

  • How quickly a background or "batch" job will execute, otherwise known as throughput.

  • How quickly a report or other query will make it through the system and actually be printed, sometimes called latency.

  • To read more about verifying that a Production system can meet performance expectations, see "Key SAP Stress-Testing Considerations," p. 580 in Chapter 16.

    However, these same performance considerations apply to all of the other systems within the SAP system landscape, too. The Development system, for example, needs to exhibit excellent performance even while 25 or 50 or more developers are banging away at keyboards trying to build your custom mySAP solution. Similarly, your Test system needs to provide the performance necessary to get through integration testing. Even the Training system needs to provide adequate user response times so as to make the actual training experience more than something to be avoided.

    High-performance considerations cover the gamut, touching every facet of every system within the landscape. This means that everything—from the performance of the network connecting each system, to each server's CPU, RAM, and disk configuration, to each system's OS, database, and mySAP component—must be addressed. Starting off on the right foot (with properly sized and configured hardware and software elements) is paramount, of course, but tuning all these solution stack pieces to create a cohesive well-running machine is just as important to achieving excellent performance. Like the weakest link in a chain, a single underperforming solution component will only throttle back the maximum performance otherwise obtainable from your system.

    Driving Scalability into Your System Landscape

    The need for scalability, like high availability and excellent performance, is addressed primarily through the sizing process. Scalability does not pay off up front in terms of improved system availability or better user response times, though. Rather, scalability is all about paying for "headroom" in your system, headroom that is not actually needed at present but might be required in the near future. In other words, scalability addresses future planned and unplanned growth in your system.

    This growth can manifest itself in a number of ways. In my experience in the real world, I have seen the results of unplanned growth hurt companies where scalability was never addressed, as in the following cases:

  • The number of end users increased at one of my new accounts, not due to more hiring than was anticipated when their mySAP.com solution was crafted, but because they unexpectedly acquired their competitor and doubled in size. We had six months to project the delta needed in terms of database and application server processing power and RAM requirements, followed by stress-testing the new design and finally implementing it.

  • More than one of my customers' databases grew so fast that they outstripped the results of their comprehensive three-year database sizing methodology in the first year! In most cases, the system we put in place for these customers was scalable—more disk drives could be added, smaller drives could be swapped with larger ones, and so on. In three cases in particular, though, the database growth was so explosive that a whole new disk subsystem platform needed to be brought in, and the recently acquired current platform retired (or redeployed) years earlier than expected.

  • When databases grow quickly, the tape backup/restore solution implemented often grows less effective as well. I have seen this most often in relatively small SAP implementations, where an initial investment in tape backup technology needed to be tossed in favor of tape solutions that backed up more data per tape cartridge, and did so fast enough to not exceed the customer's backup window (time allotted to perform a backup, which usually equates to planned downtime in the case of offline full backups).

  • It's been a while, but I also had a customer outgrow their network, too. Today, with switched networks and Gigabit Ethernet providing more than adequate bandwidth to every mySAP.com server component, and cheap 10- and 100-Megabit Ethernet prevalent across end-user workstations, there's no excuse for lacking network scalability.

  • Outstripping the capabilities of your current system such that a new platform is needed probably represents a worst-case scenario. Not only does the current Production component need to be replaced, but to support sound change control principles, so does the same component in your Test, Staging, and/or Technical Sandbox environments.

    This is why hardware and software vendors tout things like "highly scalable system architectures," "enterprise versions" of particular Operating Systems and Database Systems, and so on—though not necessarily needed up front, the headroom that these approaches provide helps an organization feel more comfortable if they wind up growing faster than they expected. And hardware vendors in particular can position their SAP clients for improved scalability by practicing the following:

  • Specify server platforms that allow additional CPUs and RAM to be added as needed. In other words, avoid "maxing out" the box.

  • Alternatively, design SAP solutions such that they take advantage of SAP's support for horizontal scalability. This is one of my favorite approaches when it comes to SAP Application, Web AS, J2EE middleware, and ITS servers—I prefer to max them out with regard to processors, with the understanding that an incremental number of servers can be added at any time should the environment grow to require it (interestingly, although SAP has successfully tested a system running more than 160 application servers, it is rare to find customer implementations with more than 10 or 12).

  • Architect a solution for the appropriate level of vertical scalability. In other words, if a two-tier "Central System" (where all SAP software components execute on the same physical server) approach to sizing meets today's requirements, perhaps a three-tier solution will provide for unknown scalability requirements. In a three-tiered architecture, one database server and multiple application servers are configured as a single system image.

  • Architect a highly scalable database platform. As my real-world examples earlier in this list illustrate, this tends to be where a lack of scalability causes the most problems.

  • Hardware and software vendors alike spend a great deal of time "proving" how scalable their offerings are. As a first step, I suggest that benchmarks, customer references/feedback, and the results of tests published through white papers and other technical documents be reviewed by prospective mySAP customers. I also suggest that you begin considering new approaches to scalability. For example, HP's iCOD offering touts "capacity on demand." When a customer buys a server, for instance, it is fully populated with CPUs. The customer pays for only what is needed in the near term, however. Later, if it is determined that more processing power is required, the customer takes advantage of the in-place processors by merely applying for a license; no intrusive field upgrade or service call is required and therefore the need for planned downtime is drastically reduced.

    The TCO-Driven System Landscape

    More than anything else, Total Cost of Ownership (TCO) drives what a solution vision actually looks like at the end of the day, when a mySAP solution is implemented and really being used. Discussions on TCO might instead be labeled Return on Investment (ROI), or might fall under the heading of investment protection. Regardless, a focus on lowering TCO seeks to find less expensive solution-stack alternatives that still meet the needs of the business.

    To read more about the relationship between TCO and your SAP solution vision, see "How the SAP Solution Vision Drives TCO," p. 127 in Chapter 5.

    When all other things are equal, the following points apply from a hardware perspective:

  • A hardware vendor's use of common components like CPUs and memory boards allows flexible sharing of resources between different SAP system landscapes and in some cases hardware platforms, too.

  • Similarly, common disk drive form factors reduce cost of ownership by increasing reusability.

  • Support for hot-pluggable and/or hot-add hardware components eliminates or worst-case minimizes downtime (can include hard drives, tape drives, power supplies, fans, and even RAM and processors).

  • Support for redundant components, like power supplies, disk drives, fans, and so on, also eliminates or minimizes downtime.

  • The ability to run mixed-speed CPUs or RAM in a particular platform protects that investment—CPUs and RAM do not have to be tossed aside when additional processing power or memory is required.

  • Outsourcing your entire SAP infrastructure/operations team is another potential method of reducing TCO. In fact, outsourcing can represent the biggest potential TCO factor that a company will consider. At this level, though, outsourcing becomes more of a strategic business solution that impacts a lot more than simply TCO. True, outsourcing can cut labor costs by 50%, and enhance flexibility of a technical support organization to easily change as business requirements change, but there are drawbacks and disadvantages as well (discussed later in this chapter).

    Another solution vision approach that impacts the SAP system landscape from both a configuration and TCO perspective is the use of an Application Service Provider (ASP). ASPs can drive lower TCO by virtue of their application-specific expertise, above and beyond that provided by in-house staff and traditional outsourcing providers. For example:

  • An ASP can offer a preconfigured solution stack for the particular mySAP solution you want to implement. This is one reason why they look so good from a TCO perspective—design, deployment, manageability, operations, and other cost factors are substantially reduced due to a high level of both standardization and core competencies in the services they provide.

  • ASPs were more or less born out of the dot-com era, and by virtue of this, their data centers enjoy the benefit of fat redundant pipes to the Internet. Thus, mySAP.com applications are well positioned to take advantage of this flexible and powerful accessibility option.

  • ASPs offer interesting financing alternatives, in that they partner with various SAP technology partners to make leasing, pay-as-you-go, and other payment methods available.

  • The ASP provider market shrank over the last few years. The mySAP-focused companies that weathered these hard times seem even better prepared and well-positioned to host SAP solutions, however.

    Security Considerations

    I know of no company that does not envision protecting its corporate computing assets. From a solution-stack security perspective, not all software vendors are created equal, however. Oracle touts its unbreakable database, UNIX vendors tout the robust security features of their operating environments, and so on. In my eyes, security features are very important, but good security is more often about managing and testing changes to a solution stack, by carefully identifying security holes and other weaknesses in new solution stack components before these components ever find themselves in Production.

    However, companies that embrace and act upon the idea of protecting computing assets will prove to be better partners in the long run. This is why I believe that Oracle's focus on security will pay big dividends in terms of slowing the adoption of competing databases. And it is why I believe that the Trusted PC joint Intel, AMD, and Microsoft vision (once labeled by Microsoft as Palladium, and now referred to as the "next-generation secure computing base for Windows") will prove fruitful as well. Its goal is to build security into servers and PCs at a microprocessor level. New initiatives coming out of the Trusted Computing Platform Alliance promise to better secure our processing platforms, ensuring that only authorized applications and program executables can ever be executed by the system, and that all data housed on the system is encrypted so that it is useless to others. To this end, Microsoft considers Trusted PC a significant part of its Trustworthy Computing strategy—we should see something commercially available in this regard by 2004 that applies to server as well as desktop and other computing platforms.

    Manageability Considerations

    No customers of mine have ever started their initial SAP implementation planning discussions with me by saying:

    "George, all that high-availability and performance stuff is fine, but what we really want is a nice manageable system. Can you do that for us?"

    By the time Go-Live looms just over the horizon, though, every single one of them—without exception—has indicated a growing concern for manageability. Sure, it's there on the project plan, and any number of products can be used to support managing your mySAP environment. But the whole field of manageability is more complex and more work than you would imagine. Consider the following:

  • Each layer in the SAP Solution Stack must be managed; the risk of not keeping an eye on a particular layer or solution component affects the uptime of the entire system.

  • Because each layer is so different from the others, it's nearly impossible to find a single management product that can actually monitor and report on more than a few layers, much less the entire stack.

  • Therefore, the next best thing becomes trying to find a product that can at least interoperate successfully with other products.

  • At the end of the day, three, four, or even more tools and utilities must ultimately be fused together to provide a holistic view of a mySAP solution stack. This is challenging, to say the least!

  • To learn exactly how challenging piecing together a management approach can be, see "Systems Management Techniques for SAP," p. 511 in Chapter 14.

    Because of the challenges inherent to managing hardware and software products from a lot of different solution stack vendors, some of my customers have purposely chosen less than "best-of-breed" products for their SAP solutions, so as to minimize the number of software partners involved. Or they have decided to reduce the number of partners and vendors altogether by selecting one of the big enterprise hardware/services vendors. The obvious partners are clear—HP, IBM, and Sun. For example, if you go with HP and choose to implement an rp8400-based server platform with an HP StorageWorks SAN, running HP-UX 11i, and managed by HP OpenView, the challenges inherent to managing four different vendors' products just dropped tremendously. Similar arguments could be made for going with an IBM or Sun solution stack, too—IBM even throws a couple of databases into the mix.

    The System Landscape and Accessibility

    The last area I want to cover with regard to solution vision and the SAP system landscape is accessibility. Many companies over the last three or four years have started with a vision of dumping all application-specific interfaces in favor of browser-enabled solutions, so as to ease the burdens and costs associated with desktop/laptop management while opening up new accessibility approaches like hand-helds and other wireless devices. SAP has supported that vision since 1996, with the advent of Internet connectivity in R/3 3.1G. But only in the last few years have I really seen this take off.

    SAP AG offers quite a few accessibility options today when it comes to mySAP solutions. The classic SAPGUI and its revamped and more capable EnjoySAP SAPGUI represent one end of the spectrum. This approach is safe, very mainstream, and very easy to implement. And the SAPGUI we have today is extremely comprehensive, supporting all mySAP components through a single interface, which is unlike the approach a few years ago where each so-called "New Dimension" product like BW or APO required its own GUI. But the SAPGUI still represents a typical application-specific approach to accessibility; each end user installs the client on their desktop or laptop, or runs the SAPGUI from a network share, and off they go.

    Other accessibility approaches are available, however, as you see in Figure 3.6. The original WebGUI, for example, is based on HTML and provides connectivity via Microsoft's Internet Explorer and so on. And a more recent addition, the JavaGUI, allows native Java-based access to SAP. Both of these approaches fulfill an Internet-based approach to connectivity, and subsequently simplify the desktop (assuming Internet connectivity is a standard desktop offering at your particular company, of course).

    Figure 3.6Figure 3.6 Access to mySAP solutions is quite varied today, ranging from classic and updated SAPGUI options to newer Web-enabled versions.



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    HP HP0-J41 Exam (Implementing HP StorageWorks P2000(R) Solutions) Detailed Information



    References:


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    Study notes to cover complete exam syllabus - Killexams.com
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    Killexams Study Guides and Exam Simulator - skinlove.nl
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