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C4040-332 high Availability for AIX - Technical champion and Administration -v2

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C4040-332 exam Dumps Source : High Availability for AIX - Technical champion and Administration -v2

Test Code : C4040-332
Test name : High Availability for AIX - Technical champion and Administration -v2
Vendor name : IBM
: 131 actual Questions

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IBM high Availability for AIX

Skytap announces Upcoming measure Availability of First Self-carrier, Public Cloud Capabilities for IBM i | killexams.com actual Questions and Pass4sure dumps

No outcomes found, try novel keyword!These novel capabilities develop Skytap's pleasing cost for migrating and running IBM i and AIX purposes within the cloud with extravagant availability. Skytap is concentrated on making it smooth to construct, run, and ev...

3PAR Powers on Utility Storage for prime-Availability IBM AIX | killexams.com actual Questions and Pass4sure dumps

3PAR Powers on Utility Storage for top-Availability IBM AIX

Utility storage enterprise extends assist for IBM HACMP

Fremont, Calif., Jan. 31, 2007--3PAR® announced today 3PAR InServ® Storage Server champion for IBM® high Availability Cluster Multi-Processing for AIX (HACMP). HACMP cluster expertise is IBM's flagship high-availability know-how that gives monitoring, failure detection, and automatic recuperation of trade functions on IBM AIX servers. For the primary time, HACMP purchasers can deploy Utility Storage -- an easy, in your price range, and vastly scalable storage platform -- to enrich their mission-essential AIX environments.

IBM’s AIX operating materiel is the strategic platform of option for a lot of corporations with mission-critical environments where downtime can occasions misplaced salary, client dissatisfaction, and popularity harm. To avoid these issues, corporations commonly installation excessive-availability cluster applied sciences equivalent to HACMP along with extremely accessible, excessive-end storage systems. despite the fact, however these storage techniques can offer extravagant ranges of storage efficiency, scalability, and extravagant availability, they're expensive to spot in coerce and may be knotty to administer. As an choice, businesses can also settle on more reasonably priced twin-controller, midrange storage -- however in doing so, they compromise availability and physiognomy accelerated downtime risk.

3PAR Utility Storage resolves this plight by using offering a extremely attainable, massively scalable, clustered structure that provides extravagant and predictable stages of efficiency -- even under failure circumstances -- for less cost than excessive-end arrays. This includes tough far flung replication capabilities, by means of 3PAR far off replica, for catastrophe restoration of AIX environments. additionally, 3PAR Multipath I/O (MPIO) for IBM AIX provides measure and effectual direction failover and recovery for top-availability environments.

3PAR Utility Storage introduces completely novel levels of simplicity and efficiency to particularly accessible AIX environments. as an instance, 3PAR skinny Provisioning allows for one-time provisioning of mission-essential analytic storage to AIX programs while reducing deployed actual capacity by passage of 50 % or extra. 3PAR virtual reproduction, developed on thin replica know-how, allows users to retract a all lot of reservationless, non-duplicative snapshots of mission-crucial data sets, proposing cordial value entry to many feasible recovery aspects.

3PAR InServ Storage Server pilot for IBM HACMP know-how is presently obtainable with IBM device p5 servers.

About 3PAR

3PAR is a company of utility storage, a simple, efficient, and vastly scalable tiered-storage array for utility computing that lets valued clientele serve greater with less. For extra advice, argue with http://www.3par.com.


Settling In With IBM i For The lengthy Haul | killexams.com actual Questions and Pass4sure dumps

February 11, 2019 Timothy Prickett Morgan

If nothing else, the IBM i platform has exhibited marvelous durability. One may even stutter legendary sturdiness, if you need to retract its background the entire means again to the equipment/3 minicomputer from 1969. this is the precise beginning point within the AS/four hundred household tree and here's when massive Blue, for extremely sound criminal and technical and advertising reasons, determined to fork its items to tackle the lively needs of huge corporations (with the equipment/360 mainframe and its follow-ons) and petite and medium organizations (starting with the equipment/three and moving on throughout the device/34, device/32, system/38, and system/36 in the 1970s and early Nineteen Eighties and passing throughout the AS/four hundred, AS/400e, iSeries, device i, and then IBM i on vigour programs platforms.

It has been a protracted elope indeed, and many consumers who contain invested within the platform started means again then and there with the early models of RPG and moved their functions forward and changed them as their businesses advanced and the depth and breadth of corporate computing changed, moving on up via RPG II, RPG III, RPG IV, ILE RPG, and now RPG free form. Being on this platform for even three a long time makes you a relative newcomer.

there is an extended elope ahead, seeing that they dependence that the corporations that are still running IBM i programs are the actual diehards, the ones who contain no intent of leaving the platform and that, at the least according to the survey data we've been privy too, are desiring to continue investing in, or even expand their investments in, the IBM i platform.

to date, they don't look to be in a recession and heaven inclined there usually are not one, so the priorities that IBM i shops contain are not the ones that they'd a decade in the past during the peak of the notable Recession. lower back then, as turned into the case in just about each and every IT companies, IBM i retail outlets were hunkering down and were attempting to nick fees in each and every ways viable, including deferring system improvements and migrations as well as slicing lower back on different tasks. most effectual 29 percent of the 750 IBM i shops that participated in the 2019 IBM i industry Survey, which HelpSystems did lower back in October 2018, were concerned about decreasing IT spending. this is a remarkably low stage, and i believe is indicative of how notably robust the economy is – excepting probably the most fits and begins they saw on the conclusion of 2018 and birthright here in early 2019 that merit us frightened and will beginning inserting power on things. listed below are the excellent issues as culled from the survey:

dealing with the growth in statistics and in identifying the analytics to chew on that statistics ranked a cramped bit larger on the 2019 IBM i industry Survey than did cutting back fees, and i account over the long haul these concerns will develop into greater critical than modernizing applications and coping with the IBM i talents shortages which are a perennial fret. each of those issues are being solved as novel programmers and novel tools to merit novel interfaces to database purposes are becoming more measure and as applied sciences akin to free kindhearted RPG, which looks extra infatuation Java, Python, and personal home page, are being greater largely deployed and, importantly, can be picked up greater at once by using programmers experienced with these other languages.

Given the character of the customer base, it looks not going to me that protection and extravagant availability will no longer proceed to be fundamental concerns, besides the fact that children that the IBM i platform is among the many most at ease systems in the world (and never just since it is obscure, but because it is highly tricky to hack) and it has a number of extravagant availability and catastrophe restoration materiel (from IBM, Syncsort, Maxava, and HelpSystems) attainable for people that need to double up their methods and offer protection to their applications and records. The bar is regularly bigger than measure backup and restoration for many IBM i shops within the banking, insurance, manufacturing, and distribution industries that dominate the platform. These corporations can’t contain security breaches, and they can’t contain downtime.

there's a astonishing volume of stability in the IBM i client foundation that they suppose, at this factor, is reflective within the steadiness of the IBM i platform and substantial Blue’s personal credit that it needs a match IBM i platform to contain an ordinary match power systems enterprise. each and every of us know that the energy programs hardware company has just became in five quarters of income growth – some thing they mentioned lately in setting up their own profits mannequin for the power methods trade – but what they did not recognize, and what you should know, is that within the 2nd and third quarters of 2018, the IBM i constituent of the enterprise grew greatly faster than the overall vigour programs enterprise, and the only purpose that this didn't retract spot in the ultimate quarter of 2018 is that revenue of IBM i machinery in this autumn 2017 turned into fairly robust and represented a really challenging examine. The point is, the IBM i company has been raising the vigour methods sort common. (These guidelines in regards to the IBM i trade Come compliments of Steve Sibley, vice president and offering manager of Cognitive methods at IBM.)

IBM’s own fiscal stability of the vigour platform – which has been bolstered by passage of a movement into Linux clusters for analytics and high efficiency computing simulation and modeling in addition to with the aid of the adoption of the HANA in-memory database by means of SAP customers on huge iron machines together with Power8 and now Power9 techniques – helps IBM i shoppers suppose extra assured in investing within the latest IBM i platform. The recent proof from a number of diverse surveys, no longer simply the one achieved by passage of HelpSystems every year, suggests that groups are by means of and big both continuing to invest in the platform or even in some situations are planning to enlarge their spending on the IBM i platform in 2019.

As which you can see, the sample of investment plans for the IBM i platform, as shown within the chart above, has now not modified very plenty at each and every in the past four years. it is a remarkably sturdy sample with however a bit wiggling birthright here and there that may additionally not even be statistically big. just below a quarter of IBM i shops contain said during the past 4 years that they arrangement to enhance their funding in the platform in each yr, and just beneath half stutter that they are protecting steady. This does not connote that the equal agencies, yr after 12 months, are investing greater and different organizations are staying pat, 12 months after year. it is much more possible that each handful of years – extra infatuation four or 5 – shoppers upgrade their systems and expand their ability, and they then sit tight. The examine yourself is that the atomize up isn’t showing some distance fewer groups investing and much greater sitting tight. That more than a tenth of the shops don’t know what their arrangement is as each prior 12 months involves a particular is a cramped stressful, but it surely is honest and shows that a significant portion of shops produce other priorities other than hardware and working system enhancements. they now contain mentioned this earlier than and they are able to stutter it once again: They feel that the individuals who respond to surveys and browse weekly publications focused on the IBM i platform are the most lively stores – the ones more likely to reside extraordinarily present on hardware and software. So the pace of adoption for brand spanking novel technologies, and the expense of investment, may still be higher than within the precise base, a cordial deal of which doesn't exchange plenty in any respect.

So if they needed to modify this facts to tackle the entire base, there can be far fewer websites that are investing greater money, passage more organizations that are sitting tight, and maybe fewer websites which are contemplating moving off the IBM i platform. I account the distribution of statistics is doubtless anything infatuation 10 percent of shops haven't any concept what they're doing funding brilliant with IBM this yr, 5 percent are pondering moving some or each and every of their purposes to one more platform, possibly 10 % are investing more this yr, and the closing 75 percent are sitting tight. this is only a bet, of path. so far as they will tell, the cost of attrition – what number of sites they truly lose every 12 months – just a tad over 1 percent. So the expense of budge of purposes off the platform, or incidences of unplugging IBM i databases and purposes, may not be any spot immediate as high within the overall foundation because the facts above suggests. what's alarming, perhaps, is that the fee of moving some or each and every functions off the platform is balanced in opposition t folks that stutter they're going to enhance investments. most likely these are hopeful survey takers, and people who feel it is smooth to budge ascertain it isn't and people who believe they are going to ascertain the funds to merit investments will now not.

What they finish comprehend is that if the fee of utility attrition become anyplace immediate as extravagant as these surveys imply, then the IBM i trade would now not be becoming, however shrinking. And they understand it isn't shrinking, so they believe there is a disconnect between planning and fact, each on the upside and the downside.

in case you drill down into the facts for the 2019 IBM i industry Survey, there contain been 13 percent of retailers that referred to they'd be relocating some applications to a novel platform, and a further 9 p.c that mentioned they had been going to circulate each and every of their functions off IBM i. (This number is in keeping with the concomitant ALL400s survey carried out by John Rockwell.)

Anyway, respectable success with that.

Porting functions from one platform to yet another, of buying a novel suite on that novel platform, is an exceptionally complicated assignment. It isn't infatuation attempting to trade a jade whereas using down the street, as is a measure metaphor, but significantly infatuation making an attempt to retract the jade off one automobile relocating down the toll road and installing it on another motor vehicle driving beside it within the adjoining lane with out crashing either vehicle or smashing into any one else on the road. Optimism abounds, but when shove involves shove, very few businesses are attempting any such maneuver, and after they do, it's always as a result of there is a corporate mandate, more instances than now not led to by a merger or acquisition, that pits any other platform against IBM i working on energy systems. corporations that stutter they are making this kindhearted of stream off IBM i are sanguine for his or her own personal causes, perhaps, however they are not necessarily useful about how lengthy it might take, what disruption it'll cost, and what most suitable benefit, if any, may be realized.

if you finish the mathematics on the chart above, eight-tenths of the bottom has no concept how long a budge will take, one other 1.7 percent thinks it'll retract more than 5 years, and 3 percent stutter it'll retract between two years and five years. most effectual three.4 p.c of the overall foundation stutter they could finish it in below two years. They feel each and every of those numbers are optimistic, and the organizations who might with ease evaporate away OS/400 and IBM i already did a long time ago and those that are remain contain a tougher time, not an easier time, moving. If this had been now not real, the IBM i foundation would be a hell of an Awful lot smaller than the one hundred twenty,000 consumers they suppose are obtainable, in line with what substantial Blue has instructed us during the past. this is the inequity between concern or pressure or culture and the truth of trying to stream a enterprise off one platform and onto an additional. These moves are each and every the time a remarkable deal harder than they gape on the entrance end, and they suspect most of the merits also don’t materialize for those that finish bounce systems.

on the medium attrition expense recommended via this survey information – 9 p.c budge off the platform in someplace between 365 days and more than five years, with most businesses not being in a position to descry more than five years into the longer term it is a spruce trick – the installed foundation would subside dramatically. it is difficult to stutter how far on account of the wide selection of timeframes within the survey. If it turned into 9 % of the foundation inside two years – summon it four.5 percent of the bottom per yr – then within a decade the customary foundation would nick back from 120,000 IBM i websites global down to about 72,000. this may theatrical certainly. however at a 1 percent attrition rate per 12 months, the foundation remains at 107,500 enjoyable shoppers (not sites and never installed machines, each of that are bigger) by means of 2029. They believe there's each desultory that the attrition fee will definitely gradual and drop under 1 p.c as IBM demonstrates dedication to the vigour techniques platform and its IBM i working device. There are each and every the time some novel consumers being introduced in novel markets, to merit certain, but the bleed expense (despite the fact that it's small) continues to be doubtless an order of magnitude bigger than the feed expense.

when they finish feel about making the flow, IBM i shops recognize precisely the spot they wish to go, and this reply has been steadily changing through the years: Linux as an alternative to IBM i is on the upward shove and home windows Server as an option is on the wane. within the newest survey, 52 % of the companies that stated they contain been relocating each and every or some of their functions to one more platform spoke of they had been settling on windows Server, whereas 34 p.c selected Linux. This displays the relative popularity of home windows Server and Linux in the datacenters of the locality at huge, and might be tipped just a cramped extra heavily in opposition t Linux compared to the relaxation of the world. apparently, 10 p.c of those polled who said they had been relocating were AIX structures, and a different 4 p.c were going upscale to system z mainframes – as not going as this may additionally appear. platforms are inclined to roll downhill; they finish not usually physiognomy gravity infatuation that.

The factor about such surveys is that they demonstrate intent, not action. They often intend to finish a lot more than they actually can accomplish, and moving systems after spending decades of build up handicap isn't continually a very sensible circulation until the platform is in actual crisis – infatuation the Itanium programs from Hewlett Packard commercial enterprise running OpenVMS or HP-UX or the HP 3000s working MPE or the Sparc techniques from Oracle operating Solaris. These were once tremendous systems with massive spot in bases and tremendous income streams, but now, IBM is the final of those Unix and proprietary structures with its power systems line. And it is by using a ways the largest and for certain the only 1 displaying any growth.

connected reviews

The IBM i foundation Did certainly circulate On Up

The IBM i foundation Is able to budge On Up

funding And Integration indicators For IBM i

security nevertheless Dominates IBM i dialogue, HelpSystems’ 2018 Survey reveals

The IBM i foundation not As Jumpy as it Has Been

The Feeds And Speeds Of The IBM i Base

IBM i Priorities For 2017: Pivot To defense

IBM i trends, issues, And Observations

IBM i Survey receives better As Numbers develop

the spot finish these IBM i Machines Work?

discovering IBM i: A game Of forty Questions

it's time to inform Us What you're up to

IBM i industry Survey: The significance Of Being Earnest

What’s Up in the IBM i marketplace?

IBM i marketplace Survey Fills within the Blanks


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High Availability for AIX - Technical champion and Administration -v2

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Unix overview: The latest features in AIX, HP-UX and Solaris | killexams.com actual questions and Pass4sure dumps

Even with the popularity of open source and Linux, commercial Unix platforms are still an principal allotment of most data centers. The most widely used versions of Unix are IBM's AIX, Hewlett-Packard's HP-UX and Solaris from Oracle-Sun. In this tip, I offer an overview of recent enhancements made to each of these Unix distributions.

IBM AIX

AIX 6 was released in November 2007 and updated in October 2009. AIX 7 was just released in August 2010. Since AIX 7 is brand new, I'll examine features of both versions.

AIX 6 and 7 are available in three editions:

  • Express Edition: economical and intended for smaller workloads
  • Standard Edition
  • Enterprise Edition: includes additional management capabilities
  • AIX 6 introduced Workload Partitions (WPARs), software-based virtualization that allows multiple AIX environments to elope on a separate system. WPARs provide isolation from other processes and WPARs. Each WPAR may contain unique administrator control, network addresses, file systems, users and groups. Processor and system resources are shared and apportioned between WPARs.

    WPARs share a separate global instance of AIX as compared with analytic Partitions (LPARs), each of which runs an independent copy of AIX. When the WPAR global instance is patched, each and every subordinate WPARs inherit the patch. AIX 7 adds Trusted Kernel Extensions, which can limit access to specific kernel extensions to particular WPARs. With Life Application Mobility, applications in a WPAR can be moved without stopping and re-starting, so workloads can be balanced across multiple systems.

    AIX 6 also provides numerous security enhancements:

  • Role-Based Access Control is used to concede management access to specific users.
  • Trusted AIX provides compartmentalized multi-level security, allowing restriction of access to specific system resources and devices, such as partitions, networks or printers.
  • The enhanced journaled file system extended now provides an encrypted file system (EFS) using a variety of encryption algorithms.
  • The novel secure by default installation option restricts the system and network services to the minimum to maximize security.
  • Trusted execution mode verifies application integrity via digital signature before execution to reduce the risk of software tampering.
  • Cryptographic framework provides hardware acceleration for cryptographic functions, such as those used in the EFS, IP security or trusted execution.
  • Availability enhancements in AIX 6 include:

  • Concurrent kernel update allows certain modifications to be made without requiring a system restart.
  • Dynamic tracing simplifies debugging by allowing probes to be placed in existing application or kernel code without requiring recompilation.
  • AIX 7 introduces Cluster Aware, which provides commands and APIs to create clusters of individual AIX systems. These clusters may be managed as a separate group, you can monitor events and disk space, and performance data for the entire cluster is available.

    Also novel in AIX 7 is the Event Infrastructure, used by Cluster Aware, which can monitor pre-defined system events.

    HP-UX

    HP-UX 11i was originally released in 2000 and the latest major version is HP-UX 11i v3 (11.31), released in 2007. The latest update (6th) to 11.31 was in March 2010.

    HP-UX is provided in one of four combinations of operating system and application bundles, called an operating environment (OE):

  • Base (BOE) is the measure version.
  • Virtualization Server (VSE-OE) is BOE plus the HP Virtual Server Environment and GlancePlus monitoring tools.
  • High Availability (HA-OE) is BOE plus Serviceguard availability tools and GlancePlus monitoring tools.
  • Data heart (DC-OE) is each and every of the above.
  • The Virtual Server Environment provides virtualization capabilities and workload management tools. Hardware and software isolation is achieved using a difficult partition, or nPartition, which establishes boundaries that completely protect one virtual machine from any faults in another (including software, hardware or electrical faults). In HP-UX 11.31, dynamic nPartitions can be modified while the partition is in use.

    Software-only isolation is achieved using a virtual partition, or vPar, which runs its own instance of HP-UX and has its own share of CPU, recollection and I/O. HP-UX 11.31 introduces dynamic recollection migration between vPars and allows mixed vPar versions within a separate nPartition.

    Dynamic Root Disk allows cloning and updating of a running root file system, assisting in system recovery and reducing downtime during upgrades.

    Unified File Cache integrates the different mechanisms used for file caching: page cache and buffer cache. This eliminates the possibility of file system inconsistencies when using system calls that depend on differing mechanisms.

    Encrypted Volume File System 2.0 provides AES encryption at the file or volume level. Security containment isolates system resources and provides fine-grained privileges and role-based access control.

    Oracle Solaris

    Solaris 10 was first released in 2005. Updated releases are named by the month and year of release. The latest update, also called Update (U8), is Solaris 10 10/09, released in October 2009.

    The Zettabyte File System (ZFS), introduced early in Solaris 10, can now champion the root file system and be used to boot the system. champion for user- and group-level disk quotas has also been added to ZFS.

    Solaris Zones and Solaris Containers provide virtualization and resource containment. Zones segregate one or more application services within the operating system. A Container is a Zone that also manages operating system resources to avert one Zone from consuming each and every actual system resources. Recently added resource management features allow CPU usage to be limited in multiple ways: fair-share, capped or dedicated. recollection and network bandwidth resources can also be managed.

    A Zone may establish a sunder instance of the TCP/IP networking stack through an Exclusive IP Zone, allowing the Zone to contain a unique network configuration.

    Logical domains (now called Oracle VM Server for SPARC) provide a higher even of virtualization abstraction. A analytic domain runs a virtual machine within which an operating system can be booted, halted and rebooted (requires Solaris 10 11/06, U3, or later). Other operating systems supported by SPARC hardware may also be supported. Ubuntu Linux can be elope in a analytic domain.

    Many security features previously available in a special release of Solaris called Trusted Solaris contain been incorporated into the regular release as of Solaris 10 5/08 (U5). Solaris Trusted Extensions include fine-grained privileges using Mandatory Access Control for policy-based access to system resources such as devices, files, networks, printing and window management. User Rights Management provides role-based access control and complies with the Federal Information Processing Standard.

    About the author: King Ables holds BA and MSc degrees in computer science and has worked in customer support, software development, systems and network administration, and user education. He has written numerous technical articles for online and print journals and is author or co-author of three books on Unix and Linux.


    Database Administration: Creating the Database Environment | killexams.com actual questions and Pass4sure dumps

    Establishing a usable database environment requires a remarkable deal of skill, knowledge, and consideration. This chapter will outline the principles involved in establishing a usable database environment.

    This chapter is from the bespeak 

    One of the primary tasks associated with the job of DBA is the process of choosing and installing a DBMS. Unfortunately, many trade executives and IT professionals without database management background assume that once the DBMS is installed, the bulk of the toil is done. The truth is, choosing and installing the DBMS is hardly the most difficult allotment of a DBA’s job. Establishing a usable database environment requires a remarkable deal of skill, knowledge, and consideration. This chapter will outline the principles involved in establishing a usable database environment.

    The process of choosing a suitable DBMS for enterprise database management is not as difficult as it used to be. The number of major DBMS vendors has dwindled due to industry consolidation and domination of the sector by a few very big players.

    Yet, big and medium-size organizations typically elope multiple DBMS products, from as few as two to as many as ten. For example, it is not uncommon for a big company to utilize IMS or IDMS and DB2 on the mainframe, Oracle and MySQL on several different UNIX servers, Microsoft SQL Server on Windows servers, as well as pockets of other DBMS products such as Sybase, Ingres, Adabas, and PostgreSQL on various platforms, not to mention single-user PC DBMS products such as Microsoft Access, Paradox, and FileMaker. Who chose to install each and every these DBMSs and why?

    Unfortunately, often the retort is that not much thought and planning went into the decision-making process. Sometimes the conclusion to purchase and install a novel DBMS is driven by a trade need or a novel application. This is reasonable if your organization has no DBMS and must purchase one for the first time. This is rarely the case, though. Regardless of whether a DBMS exists on-site, a novel DBMS is often viewed as a requirement for a novel application. Sometimes a novel DBMS product is purchased and installed without first examining if the application could be successfully implemented using an existing DBMS. Or, more likely, the DBAs know the application can be implemented using an existing DBMS but lack the organizational power or champion to reject a novel DBMS proposal.

    There are other reasons for the being of multiple DBMS platforms in a separate organization. Perhaps the company purchased a commercial off-the-shelf application package that does not elope on any of the current DBMS platforms. Sometimes the conclusion to buy a novel DBMS is driven by the crave to champion the latest and greatest technology. For example, many mainframe shops moving from a hierarchic (IMS) or CODASYL (IDMS) database model to the relational model deployed DB2, resulting in an additional DBMS to learn and support. Then, when client/server computing became popular, additional DBMSs were implemented on UNIX, Linux, and Windows servers.

    Once a DBMS is installed, removal can be difficult because of incompatibilities among the different DBMSs and the necessity of converting application code. Furthermore, when a novel DBMS is installed, aged applications and databases are usually not migrated to it. The aged DBMS remains and must continue to be supported. This complicates the DBA’s job.

    So what should be done? Well, the DBA group should be empowered to merit the DBMS decisions for the organization. No trade unit should be allowed to purchase a DBMS without the permission of the DBA group. This is a difficult provision to implement and even more difficult to enforce. trade politics often toil against the DBA group because it frequently possesses less organizational power than other trade executives.

    Choosing a DBMS

    The DBA group should set a policy regarding the DBMS products to be supported within the organization. Whenever possible, the policy should minimize the number of different DBMS products. For a shop with multiple operating systems and multiple types of hardware, elect a default DBMS for the platform. discourage deviation from the default unless a compelling trade case exists—a trade case that passes the technical inspection of the DBA group.

    Most of the major DBMS products contain similar features, and if the feature or functionality does not exist today, it probably will within 18 to 24 months. So, exercise caution before deciding to elect a DBMS based solely on its capacity to champion a specific feature.

    When choosing a DBMS, it is sapient to select a product from a tier-1 vendor as listed in Table 2.1. Tier 1 represents the largest vendors having the most heavily implemented and supported products on the market. You cannot evaporate wrong with DB2 or Oracle. Both are well-liked and champion just about any sort of database. Another major player is Microsoft SQL Server, but only for Windows platforms. DB2 and Oracle elope on multiple platforms ranging from mainframe to UNIX, as well as Windows and even handheld devices. Choosing a DBMS other than these three should be done only under specific circumstances.

    Table 2.1. Tier-1 DBMS Vendors

    DBMS Vendor

    DBMS Product

    IBM Corporation

    DB2

    New Orchard Road

    Armonk, NY 10504

    Phone: (914) 499-1900

    Oracle Corporation

    Oracle

    500 Oracle Parkway

    Redwood Shores, CA 94065

    Phone: (650) 506-7000

    Microsoft Corporation

    SQL Server

    One Microsoft Way

    Redmond, WA 98052

    Phone: (425) 882-8080

    After the substantial three Come MySQL, Sybase, Teradata, and Informix. Table 2.2 lists these tier-2 DBMS vendors. each and every of these offerings are quality DBMS products, but their installed foundation is smaller, their products are engineered and marketed for niche purposes, or the companies are smaller with fewer resources than the substantial Three (IBM, Oracle, and Microsoft), so there is some risk in choosing a DBMS from tier 2 instead of tier 1. However, there may be solid reasons for deploying a tier-2 solution, such as the high performance offered by Informix or the data warehousing and analytics capabilities of Teradata.

    Table 2.2. Tier-2 DBMS Vendors

    DBMS Vendor

    DBMS Product

    IBM Corporation

    Informix Dynamic Server

    New Orchard Road

    Armonk, NY 10504

    Phone: (914) 499-1900

    Sybase Inc. (an SAP Company)

    Adaptive Server Enterprise

    6475 Christie Avenue

    Emeryville, CA 94608

    Phone: (510) 922-3500

    Teradata Corporation

    Teradata

    10000 Innovation Drive

    Dayton, OH 45342

    Phone: (937) 242-4030

    MySQL (a subsidiary of Oracle Corporation)

    MySQL

    Phone: (208) 338-8100

    Of course, there are other DBMS products on the market, many of which are fine products and worthy of consideration for specialty processing, certain predefined needs, and niche roles. If your company is heavily into the open-source software movement, PostgreSQL, EnterpriseDB, or MySQL might be viable options. If an object DBMS is principal for a specific project, you might account ObjectDesign or Versant. And there are a variety of NoSQL DBMS offerings available, too, such as Hadoop, Cassandra, and MongoDB.1

    However, for the bulk of your data management needs, a DBMS from a tier-1, or perhaps tier-2, DBMS vendor will deliver sufficient functionality with minimal risk. A myriad of DBMS products are available, each with certain features that merit them worthy of consideration on a case-by-case basis. Choosing any of the lower-tier candidates—even such major names as Software AG’s Adabas and Actian’s Ingres—involves incurring additional risk. mention to Appendix B for a list of DBMS vendors.

    I finish not want it to sound as if the selection of a DBMS is a no-brainer. You will need a strategy and a arrangement for selecting the usurp DBMS for your specific situation. When choosing a DBMS, be certain to account each of these factors:

  • Operating system support. Does the DBMS champion the operating systems in utilize at your organization, including the versions that you are currently using and arrangement on using?
  • Type of organization. retract into consideration the corporate philosophy when you elect a DBMS. Some organizations are very conservative and infatuation to retain a taut rein on their environments; these organizations watch to gravitate toward traditional mainframe environments. Government operations, pecuniary institutions, and insurance and health companies usually watch to be conservative. More-liberal organizations are often willing to account alternative architectures. It is not uncommon for manufacturing companies, dot-coms, and universities to be less conservative. Finally, some companies just finish not dependence Windows as a mission-critical environment and prefer to utilize UNIX; this rules out some database vendors (Microsoft SQL Server, in particular).
  • Benchmarks. What performance benchmarks are available from the DBMS vendor and other users of the DBMS? The Transaction Processing Performance Council (TPC) publishes official database performance benchmarks that can be used as a guideline for the basic overall performance of many different types of database processing. (Refer to the sidebar “The Transaction Processing Performance Council” for more details.) In general, performance benchmarks can be useful as a broad indicator of database performance but should not be the only determinant when selecting a DBMS. Many of the TPC benchmarks are elope against database implementations that are not representative of most production database systems and therefore are not indicative of the actual performance of a particular DBMS. In addition, benchmarks are constantly updated to point to novel and improved performance measurements for each of the major DBMS products, rendering the benchmark “winners” obsolete very quickly.
  • Scalability. Does the DBMS champion the number of users and database sizes you intend to implement? How are big databases built, supported, and maintained—easily or with a lot of pain? Are there independent users who can substantiate the DBMS vendor’s scalability claims?
  • Availability of supporting software tools. Are the supporting tools you require available for the DBMS? These items may include query and analysis tools, data warehousing champion tools, database administration tools, backup and recovery tools, performance-monitoring tools, capacity-planning tools, database utilities, and champion for various programming languages.
  • The Transaction Processing Performance Council is an independent, not-for-profit organization that manages and administers performance benchmark tests. Its mission is to define transaction processing and database benchmarks to provide the industry with objective, verifiable performance data. TPC benchmarks measure and evaluate computer functions and operations.

    The definition of transaction espoused by the TPC is a trade one. A typical TPC transaction includes the database updates for things such as inventory control (goods), airline reservations (services), and banking (money).

    The benchmarks produced by the TPC measure performance in terms of how many transactions a given system and database can accomplish per unit of time, for example, number of transactions per second. The TPC defines three benchmarks:

  • TPC-C, for planned production workload in a transaction environment
  • TPC-H, a conclusion champion benchmark consisting of a suite of business-oriented ad hoc queries and concurrent data modifications
  • TPC-E, an updated OLTP workload (based on pecuniary transaction processing)
  • Additional information and in-depth definitions of these benchmarks can be institute at the TPC Web site at www.tpc.org (see pattern 2.1).

  • Technicians. Is there a sufficient supply of skilled database professionals for the DBMS? account your needs in terms of DBAs, technical champion personnel (system programmers and administrators, operations analysts, etc.), and application programmers.
  • Cost of ownership. What is the total cost of ownership of the DBMS? DBMS vendors impregnate wildly varying prices for their technology. Total cost of ownership should be calculated as a combination of the license cost of the DBMS; the license cost of any required supporting software; the cost of database professionals to program, support, and administer the DBMS; and the cost of the computing resources required to operate the DBMS.
  • Release schedule. How often does the DBMS vendor release a novel version? Some vendors contain rapid release cycles, with novel releases coming out every 12 to 18 months. This can be cordial or bad, depending on your approach. If you want cutting-edge features, a rapid release cycle is good. However, if your shop is more conservative, a DBMS that changes frequently can be difficult to support. A rapid release cycle will occasions conservative organizations either to upgrade more frequently than they would infatuation or to live with outdated DBMS software that is unlikely to contain the very even of champion as the latest releases.
  • Reference customers. Will the DBMS vendor supply current user references? Can you find other users on your own who might provide more impartial answers? discourse with current users to elicit issues and concerns you may contain overlooked. How is support? Does the vendor respond well to problems? finish things generally toil as advertised? Are there a lot of bug fixes that must be applied continuously? What is the quality of novel releases? These questions can be answered only by the folks in the trenches.
  • When choosing a DBMS, be certain to retract into account the complexity of the products. DBMS software is very knotty and is getting more knotty with each novel release. Functionality that used to be supported only with add-on software or independent programs is increasingly being added as features of the DBMS, as shown in pattern 2.2. You will need to arrangement for and champion each and every the features of the DBMS. Even if there is no current requirement for certain features, once you implement the DBMS the programmers and developers will find a reason to utilize just about anything the vendor threw into it. It is better to arrangement and be prepared than to allow features to be used without a arrangement for supporting them.

    Figure 2.2

    Figure 2.2. Convergence of features and functionality in DBMS software

    DBMS Architectures

    The supporting architecture for the DBMS environment is very critical to the success of the database applications. One wrong option or poorly implemented component of the overall architecture can occasions penniless performance, downtime, or unstable applications.

    When mainframes dominated enterprise computing, DBMS architecture was a simpler concern. Everything ran on the mainframe, and that was that. However, today the IT infrastructure is distributed and heterogeneous. The overall architecture—even for a mainframe DBMS—will probably consist of multiple platforms and interoperating system software. A team consisting of trade and IT experts, rather than a separate person or group, should merit the final architecture decision. trade experts should include representatives from various departments, as well as from accounting and legal for software contract issues. Database administration representatives (DA, DBA, and SA), as well as members of the networking group, operating system experts, operations control personnel, programming experts, and any other interested parties, should be included in this team.

    Furthermore, be certain that the DBMS you select is usurp for the nature and sort of processing you arrangement to implement. Four levels of DBMS architecture are available: enterprise, departmental, personal, and mobile.

    An enterprise DBMS is designed for scalability and high performance. An enterprise DBMS must be capable of supporting very big databases, a big number of concurrent users, and multiple types of applications. The enterprise DBMS runs on a large-scale machine, typically a mainframe or a high-end server running UNIX, Linux, or Windows Server. Furthermore, an enterprise DBMS offers each and every the “bells and whistles” available from the DBMS vendor. Multiprocessor support, champion for parallel queries, and other advanced DBMS features are core components of an enterprise DBMS.

    A departmental DBMS, sometimes referred to as a workgroup DBMS, serves the middle ground. The departmental DBMS supports petite to medium-size workgroups within an organization; typically, it runs on a UNIX, Linux, or Windows server. The dividing line between a departmental database server and an enterprise database server is quite gray. Hardware and software upgrades can allow a departmental DBMS to tackle tasks that previously could be performed only by an enterprise DBMS. The steadily falling cost of departmental hardware and software components further contributes to lowering the total cost of operation and enabling a workgroup environment to scale up to serve the enterprise.

    A personal DBMS is designed for a separate user, typically on a low- to medium-powered PC platform. Microsoft Access, SQLite, and FileMaker2 are examples of personal database software. Of course, the major DBMS vendors also market personal versions of their higher-powered solutions, such as Oracle Database Personal Edition and DB2 Personal Edition. Sometimes the low cost of a personal DBMS results in a misguided attempt to elect a personal DBMS for a departmental or enterprise solution. However, finish not be lured by the low cost. A personal DBMS product is suitable only for very small-scale projects and should never be deployed for multiuser applications.

    Finally, the mobile DBMS is a specialized version of a departmental or enterprise DBMS. It is designed for remote users who are not usually connected to the network. The mobile DBMS enables local database access and modification on a laptop or handheld device. Furthermore, the mobile DBMS provides a mechanism for synchronizing remote database changes to a centralized enterprise or departmental database server.

    A DBMS designed for one sort of processing may be ill suited for other uses. For example, a personal DBMS is not designed for multiple users, and an enterprise DBMS is generally too knotty for separate users. be certain to understand the differences among enterprise, departmental, personal, and mobile DBMS software, and elect the usurp DBMS for your specific data-processing needs. You may need to elect multiple DBMS types—that is, a DBMS for each level—with usage determined by the needs of each progress project.

    If your organization requires DBMS solutions at different levels, favor the selection of a group of DBMS solutions from the very vendor whenever possible. Doing so will minimize differences in access, development, and administration. For example, favor Oracle Database Personal Edition for your single-user DBMS needs if your organization uses Oracle as the enterprise DBMS of choice.

    DBMS Clustering

    Clustering is the utilize of multiple “independent” computing systems working together as a single, highly available system. A modern DBMS offers clustering champion to enhance availability and scalability. The two predominant architectures for clustering are shared-disk and shared-nothing. These names finish a cordial job of describing the nature of the architecture—at least at a high level.

    Shared-nothing clustering is depicted in pattern 2.3. In a shared-nothing architecture, each system has its own private resources (memory, disks, etc.). The clustered processors communicate by passing messages through a network that interconnects the computers. In addition, requests from clients are automatically routed to the system that owns the resource. Only one of the clustered systems can “own” and access a particular resource at a time. In the event a failure occurs, resource ownership can be dynamically transferred to another system in the cluster. The main handicap of shared-nothing clustering is scalability. In theory, a shared-nothing multiprocessor can scale up to thousands of processors because they finish not meddle with one another—nothing is shared.

    In a shared-disk environment, each and every the connected systems share the very disk devices, as shown in pattern 2.4. Each processor still has its own private memory, but each and every the processors can directly address each and every the disks. Typically, shared-disk clustering does not scale as well for smaller machines as shared-nothing clustering. Shared-disk clustering is better suited to large-enterprise processing in a mainframe environment. Mainframes—very big processors—are capable of processing huge volumes of work. remarkable benefits can be obtained with only a few clustered mainframes, while many PC and midrange processors would need to be clustered to achieve similar benefits.

    Shared-disk clustering is usually preferable for applications and services requiring only modest shared access to data and for applications or workloads that are very difficult to partition. Applications with hefty data update requirements are probably better implemented as shared-nothing. Table 2.3 compares the capabilities of shared-disk and shared-nothing architectures.

    Table 2.3. Comparison of Shared-Disk and Shared-Nothing Architectures

    Shared-Disk

    Shared-Nothing

    Quick adaptability to changing workloads

    Can exploit simpler, cheaper hardware

    High availability

    Almost unlimited scalability

    Performs best in a hefty read environment

    Works well in a high-volume, read-write environment

    Data need not be partitioned

    Data is partitioned across the cluster

    The major DBMS vendors provide champion for different types of clustering with different capabilities and requirements. For example, DB2 for z/OS provides shared-disk clustering with its Data Sharing and Parallel Sysplex capabilities; DB2 on non-mainframe platforms uses shared-nothing clustering. Oracle’s actual Application Clusters provide shared-disk clustering.

    For most users, the primary profit of clustering is the enhanced availability that accrues by combining processors. In some cases, clustering can serve an enterprise to achieve five-nines (99.999 percent) availability. Additionally, clustering can be used for load balancing and failover.

    DBMS Proliferation

    As a rule of thumb, create a policy (or at least some simple guidelines) that must be followed before a novel DBMS can be brought into the organization. Failure to finish so can occasions a proliferation of different DBMS products that will be difficult to support. It can also occasions confusion regarding which DBMS to utilize for which progress effort.

    As mentioned earlier, there is a plethora of DBMS vendors, each touting its benefits. As a DBA, you will be bombarded with marketing and sales efforts that attempt to convince you that you need another DBMS. Try to resist unless a very compelling reason is given and a short-term revert on investment (ROI) can be demonstrated. Even when confronted with telling reasons and cordial ROI, be certain to double-check the arguments and ROI calculations. Sometimes the reasons specified are outdated and the ROI figures finish not retract everything into account—such as the additional cost of administration.

    Remember, every DBMS requires database administration support. Moreover, each DBMS uses different methods to accomplish similar tasks. The fewer DBMS products installed, the less complicated database administration becomes, and the better your chances become of providing effectual data management resources for your organization.

    Hardware Issues

    When establishing a database environment for application development, selecting the DBMS is only allotment of the equation. The hardware and operating system on which the DBMS will elope will greatly impact the reliability, availability, and scalability (RAS) of the database environment. For example, a mainframe platform such as an IBM zEC12 running z/OS will probably provide higher RAS than a midrange IBM xSeries machine running AIX, which in rotate will probably exceed a Dell server running Windows. That is not to stutter everything should elope on a mainframe; other issues such as cost, experience, manageability, and the needs of the applications to be developed must be considered. The bottom line is that you must be certain to factor hardware platform and operating system constraints into the DBMS selection criteria.

    Cloud Database Systems

    Cloud computing (see the sidebar) is increasing in usage, especially at petite to medium-size businesses. A cloud implementation can be more cost-effective than structure an entire local computing infrastructure that requires management and support.

    A cloud database system delivers DBMS services over the Internet. The trade-off essentially comes down to trusting a cloud provider to store and manage your data in revert for minimizing database administration and maintenance cost and effort. Using cloud database systems can enable organizations, especially smaller ones without the resources to invest in an enterprise computing infrastructure, to focus on their trade instead of their computing environment.

    By consolidating data sources in the cloud, it is possible to ameliorate collaboration among partners, arm offices, remote workers, and mobile devices, because the data becomes accessible as a service. There is no need to install, set up, patch, or manage the DBMS software because the cloud provider manages and cares for these administrative tasks. Of course, the downside is that your data is now stored and controlled by an external agent—the cloud provider. Another inherent risk of cloud computing is the possibility of nefarious agents posing as legitimate customers.

    An instance of a cloud database platform is Microsoft SQL Azure. It is built on SQL Server technologies and is a component of the Windows Azure platform.


    Bradmark Announces Surveillance 4.2 champion for Sybase Adaptive Server Enterprise Cluster Edition | killexams.com actual questions and Pass4sure dumps

    HOUSTON--(BUSINESS WIRE)--Bradmark Technologies, Inc., an established provider of enterprise monitoring and database administration tools, today announces the upcoming release of Surveillance™ version 4.2 for Sybase® Adaptive Server® Enterprise (ASE) Cluster Edition. This release bolsters Bradmark’s continuing progress of its premier monitoring solution for Sybase data management products, enabling customers – including many that manage the world's most critical data – to cost-effectively maintain unprecedented performance and reliability.

    “The novel release of Surveillance for Sybase ASE Cluster Edition further demonstrates Bradmark’s commitment to provide best-in-class monitoring and surveillance solutions across the entire Sybase ASE product family,” said Brian Vink, Vice President, database product marketing, Sybase. “The world's most critical data in commerce, communications, finance and government runs on Sybase and they are pleased that partners such as Bradmark continue to provide complimentary solutions to serve ensure an extremely reliable, high performance database environment.”

    Surveillance for Sybase ASE Cluster Edition provides comprehensive views for cluster monitoring:

  • Cluster Window enables monitoring of availability and load across cluster nodes, views of up and down instances (alerts on down instances), view of analytic cluster topology and review of historical cluster actions.
  • Cluster Interconnect (CIPC) Window shows status of interconnects and performance of message traffic across the links (alerts on down links), and links with big message backlogs.
  • Cluster Cache Manager Window shows the performance of cluster caches.
  • Local Tempdb Window shows the load across local tempdbs.
  • “Version 4.2 demonstrates Bradmark’s commitment to broaden and deepen the champion for Sybase Surveillance customers,” said Brad Tashenberg, CEO, Bradmark Technologies, Inc. “With this novel functionality, Bradmark also demonstrates its capacity to deliver timely and functionally rich value to their Sybase customers.”

    Surveillance is a real-time monitoring tool capable of overseeing the entire database environment with drill-down capability for quick problem identification. With Surveillance, a database administrator can view real-time performance data without writing scripts, determine the root occasions of performance problems, and insure the well being of the user’s database environment. Difficult problems can be resolved in a fraction of the time required without such a product. Surveillance installs in minutes and, once configured, can commence monitoring birthright away.

    Surveillance at the Sybase Greater China User Conference

    On November 4-5, Bradmark Technologies will be a “Special Sponsor” at the Sybase Greater China Users Conference in Beijing. This two-day technical event will include a technical session on Surveillance monitoring for Sybase IQ. In addition, the Sybase ASE team will present their technical session, which will include Bradmark’s premier monitoring functionality for Sybase ASE Cluster Edition.

    Product Availability

    Surveillance 4.2 will be available November 30, 2008. Also, Bradmark will champion the latest version of Adaptive Server Enterprise (ASE) Cluster Edition for AIX and HP-UX, which was just announced today at the Sybase Greater China User Conference. For more information, gratify visit www.sybase.com/press.

    To request a free 30-day evaluation, visit www.bradmark.com and click on the Demo Request link, or contact your Bradmark representative directly: For Bradmark U.S.: (713) 621-2808, or toll-free (800) 621-2808; Bradmark EMEA: +31 (0) 251-268 248; Bradmark China: +86 1350 1079 225

    Surveillance will also be available directly from Sybase, and can now be purchased on eShop, Sybase’s online store. For more information, or to spot an order, gratify summon 800-8-SYBASE, or visit www.sybase.com/partner/bradmark.

    About Bradmark Technologies, Inc.

    Founded in 1981, privately-held Bradmark Technologies, Inc. develops, markets, sells and supports data management solutions that provide anytime — anywhere access to managing database, application and operating system components. Bradmark’s innovative product suites detect and avert problems before they adversely influence productivity, ensuring that IT environments are up and operating at peak performance. Headquartered in Houston, Texas, Bradmark has offices in Seattle, Washington, London, Munich, the Netherlands and Beijing. Additionally, Bradmark reaches global audiences through a network of Channel Partners and International Distributors. For additional information, visit www.bradmark.com.

    Sybase and Adaptive Server Enterprise are registered trademarks of Sybase, Inc. or its subsidiaries in the United States and/or other countries.



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