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C4040-332 tall Availability for AIX - Technical uphold and Administration -v2

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

Test Code : C4040-332
Test designation : High Availability for AIX - Technical uphold and Administration -v2
Vendor designation : IBM
real questions : 131 true Questions

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IBM tall Availability for AIX

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

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

3PAR Powers on Utility Storage for prime-Availability IBM AIX | killexams.com true 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 uphold for IBM® tall 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 commerce 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 apparatus is the strategic platform of election for a lot of corporations with mission-critical environments where downtime can cause 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 present unreasonable ranges of storage efficiency, scalability, and unreasonable availability, they're expensive to do in obligate and may subsist intricate to administer. As an choice, businesses can moreover resolve on more reasonably priced twin-controller, midrange storage -- however in doing so, they compromise availability and mug accelerated downtime risk.

3PAR Utility Storage resolves this predicament by using offering a extremely attainable, massively scalable, clustered structure that provides unreasonable 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 efficient direction failover and recovery for top-availability environments.

3PAR Utility Storage introduces completely original 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 artery of 50 % or extra. 3PAR virtual reproduction, developed on thin replica know-how, allows users to Take a total lot of reservationless, non-duplicative snapshots of mission-crucial data sets, proposing top-notch value entry to many feasible recovery aspects.

3PAR InServ Storage Server sheperd 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, debate with http://www.3par.com.


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

February 11, 2019 Timothy Prickett Morgan

If nothing else, the IBM i platform has exhibited marvelous durability. One may even direct legendary sturdiness, if you need to Take its background the entire means again to the equipment/3 minicomputer from 1969. this is the precise rise 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 piquant needs of huge corporations (with the equipment/360 mainframe and its follow-ons) and miniature and medium organizations (starting with the equipment/three and stirring 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 hasten indeed, and many consumers who Have 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, stirring 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 hasten ahead, seeing that they faith that the corporations that are soundless running IBM i programs are the true diehards, the ones who Have no aim 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 appear to subsist in a recession and heaven inclined there usually are not one, so the priorities that IBM i shops Have 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 primitive IT companies, IBM i retail outlets were hunkering down and were attempting to crop fees in primitive ways viable, including deferring system improvements and migrations as well as slicing lower back on different tasks. most efficient 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 right here in early 2019 that execute us frightened and will rise 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 slight 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 captious than modernizing applications and coping with the IBM i talents shortages which are a perennial fret. each of those issues are being solved as original programmers and original tools to execute original interfaces to database purposes are becoming more measure and as applied sciences akin to free kind RPG, which looks extra like Java, Python, and personal home page, are being greater largely deployed and, importantly, can subsist 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 unreasonable availability will no longer proceed to subsist 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 unreasonable availability and catastrophe restoration apparatus (from IBM, Syncsort, Maxava, and HelpSystems) attainable for people that need to double up their methods and present 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 Have security breaches, and they can’t Have downtime.

there's a astonishing volume of stability in the IBM i client basis that they suppose, at this factor, is reflective within the steadiness of the IBM i platform and great Blue’s personal belief that it needs a match IBM i platform to Have an ordinary match power systems enterprise. primitive 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 commerce – but what they did not recognize, and what you should know, is that within the 2nd and third quarters of 2018, the IBM i ingredient of the enterprise grew greatly faster than the overall vigour programs enterprise, and the only purpose that this didn't Take state 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 ilk common. (These guidelines in regards to the IBM i commerce further 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 artery of a movement into Linux clusters for analytics and tall 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 artery of HelpSystems every year, suggests that groups are by means of and great both continuing to invest in the platform or even in some situations are planning to augment 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 primitive in the past four years. it is a remarkably sturdy sample with however a bit wiggling right here and there that may additionally not even subsist statistically big. just below a quarter of IBM i shops Have said during the past 4 years that they design to enhance their funding in the platform in each yr, and just beneath half direct that they are protecting steady. This does not matter 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 like four or 5 – shoppers upgrade their systems and expand their ability, and they then sit tight. The quiz yourself is that the wreck 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 design is as each prior 12 months involves a particular is a slight stressful, but it surely is honest and shows that a significant portion of shops yield other priorities other than hardware and working system enhancements. they now Have mentioned this earlier than and they are able to direct 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 original technologies, and the expense of investment, may soundless subsist higher than within the precise base, a top-notch 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 subsist far fewer websites that are investing greater money, artery more organizations that are sitting tight, and maybe fewer websites which are contemplating stirring off the IBM i platform. I account the distribution of statistics is doubtless anything like 10 percent of shops haven't any concept what they're doing funding smart with IBM this yr, 5 percent are pondering stirring some or primitive 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 journey of purposes off the platform, or incidences of unplugging IBM i databases and purposes, may not subsist any state near as tall within the overall basis because the facts above suggests. what's alarming, perhaps, is that the fee of stirring some or primitive functions off the platform is balanced in opposition t folks that direct they're going to enhance investments. most likely these are hopeful survey takers, and people who feel it is simple to journey ascertain it isn't and people who account they are going to ascertain the funds to execute investments will now not.

What they outcome comprehend is that if the fee of utility attrition become anyplace near as unreasonable as these surveys imply, then the IBM i commerce would now not subsist 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 Have been 13 percent of retailers that referred to they'd subsist relocating some applications to a original platform, and a further 9 p.c that mentioned they had been going to circulate primitive of their functions off IBM i. (This number is in keeping with the contemporaneous ALL400s survey carried out by John Rockwell.)

Anyway, respectable success with that.

Porting functions from one platform to yet another, of buying a original suite on that original platform, is an exceptionally complicated assignment. It isn't like attempting to trade a tire whereas using down the street, as is a measure metaphor, but alittle like making an attempt to Take the tire 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 direct they are making this kind 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 subsist realized.

if you outcome the mathematics on the chart above, eight-tenths of the bottom has no concept how long a journey will take, one other 1.7 percent thinks it'll Take more than 5 years, and 3 percent direct it'll Take between two years and five years. most efficient three.4 p.c of the overall basis direct they could outcome it in below two years. They feel primitive of those numbers are optimistic, and the organizations who might with ease depart away OS/400 and IBM i already did a long time ago and those that are sojourn Have a tougher time, not an easier time, moving. If this had been now not real, the IBM i basis would subsist a hell of an contemptible lot smaller than the one hundred twenty,000 consumers they suppose are obtainable, in line with what great Blue has instructed us during the past. this is the inequity between concern or pressure or culture and the veracity of trying to stream a enterprise off one platform and onto an additional. These moves are primitive the time a considerable deal harder than they peep on the entrance end, and they suspect most of the merits moreover don’t materialize for those that outcome bounce systems.

on the unbiased attrition expense recommended via this survey information – 9 p.c journey off the platform in someplace between 365 days and more than five years, with most businesses not being in a position to perceive more than five years into the longer term it is a spick-and-span trick – the installed basis would decrease dramatically. it is hard to direct how far on account of the wide selection of timeframes within the survey. If it turned into 9 % of the basis inside two years – call it four.5 percent of the bottom per yr – then within a decade the routine basis would crop back from 120,000 IBM i websites global down to about 72,000. this may melodramatic certainly. however at a 1 percent attrition rate per 12 months, the basis remains at 107,500 enjoyable shoppers (not sites and never installed machines, each of that are bigger) by means of 2029. They account there's each random 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 primitive the time some original consumers being introduced in original markets, to execute certain, but the bleed expense (despite the fact that it's small) continues to subsist doubtless an order of magnitude bigger than the feed expense.

when they outcome feel about making the flow, IBM i shops recognize precisely the state 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 Have been relocating primitive 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 region at huge, and might subsist tipped just a slight 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 outcome not usually brave gravity like that.

The factor about such surveys is that they demonstrate intent, not action. They often intend to outcome a lot more than they actually can accomplish, and stirring systems after spending decades of build up edge isn't continually a very sensible circulation until the platform is in actual crossroad – like 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 do in bases and tremendous income streams, but now, IBM is the last of those Unix and proprietary structures with its power systems line. And it is by using a ways the largest and for unavoidable the only 1 displaying any growth.

connected reviews

The IBM i basis Did certainly circulate On Up

The IBM i basis Is able to journey On Up

funding And Integration indicators For IBM i

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

The IBM i basis 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 state outcome 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 uphold and Administration -v2

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

Even with the popularity of open source and Linux, commercial Unix platforms are soundless an considerable Part 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 present 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 hasten on a unique system. WPARs provide isolation from other processes and WPARs. Each WPAR may Have unique administrator control, network addresses, file systems, users and groups. Processor and system resources are shared and apportioned between WPARs.

    WPARs participate a unique 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, primitive subordinate WPARs inherit the patch. AIX 7 adds Trusted Kernel Extensions, which can circumscribe access to specific kernel extensions to particular WPARs. With Life Application Mobility, applications in a WPAR can subsist moved without stopping and re-starting, so workloads can subsist balanced across multiple systems.

    AIX 6 moreover provides numerous security enhancements:

  • Role-Based Access Control is used to award 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 original 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 unavoidable modifications to subsist made without requiring a system restart.
  • Dynamic tracing simplifies debugging by allowing probes to subsist 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 subsist managed as a unique group, you can monitor events and disk space, and performance data for the entire cluster is available.

    Also original 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 focus (DC-OE) is primitive of the above.
  • The Virtual Server Environment provides virtualization capabilities and workload management tools. Hardware and software isolation is achieved using a hard 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 subsist 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 participate of CPU, reminiscence and I/O. HP-UX 11.31 introduces dynamic reminiscence migration between vPars and allows mixed vPar versions within a unique 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, moreover called Update (U8), is Solaris 10 10/09, released in October 2009.

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

    Solaris Zones and Solaris Containers provide virtualization and resource containment. Zones sequester one or more application services within the operating system. A Container is a Zone that moreover manages operating system resources to obviate one Zone from consuming primitive true system resources. Recently added resource management features allow CPU usage to subsist limited in multiple ways: fair-share, capped or dedicated. reminiscence and network bandwidth resources can moreover subsist managed.

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

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

    Many security features previously available in a special release of Solaris called Trusted Solaris Have been incorporated into the regular release as of Solaris 10 5/08 (U5). Solaris Trusted Extensions embrace 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 true questions and Pass4sure dumps

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

    This chapter is from the reserve 

    One of the primary tasks associated with the job of DBA is the process of choosing and installing a DBMS. Unfortunately, many commerce executives and IT professionals without database management background assume that once the DBMS is installed, the bulk of the work is done. The veracity is, choosing and installing the DBMS is hardly the most difficult Part of a DBA’s job. Establishing a usable database environment requires a considerable deal of skill, knowledge, and consideration. This chapter will profile 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 great players.

    Yet, great and medium-size organizations typically hasten multiple DBMS products, from as few as two to as many as ten. For example, it is not uncommon for a great company to use 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 primitive these DBMSs and why?

    Unfortunately, often the acknowledge is that not much thought and planning went into the decision-making process. Sometimes the determination to purchase and install a original DBMS is driven by a commerce need or a original 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 original DBMS is often viewed as a requirement for a original application. Sometimes a original DBMS product is purchased and installed without first examining if the application could subsist successfully implemented using an existing DBMS. Or, more likely, the DBAs know the application can subsist implemented using an existing DBMS but lack the organizational power or uphold to reject a original DBMS proposal.

    There are other reasons for the being of multiple DBMS platforms in a unique organization. Perhaps the company purchased a commercial off-the-shelf application package that does not hasten on any of the current DBMS platforms. Sometimes the determination to buy a original DBMS is driven by the desire to uphold the latest and greatest technology. For example, many mainframe shops stirring 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 subsist difficult because of incompatibilities among the different DBMSs and the necessity of converting application code. Furthermore, when a original DBMS is installed, aged applications and databases are usually not migrated to it. The aged DBMS remains and must continue to subsist supported. This complicates the DBA’s job.

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

    Choosing a DBMS

    The DBA group should set a policy regarding the DBMS products to subsist 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, pick a default DBMS for the platform. discourage aberration from the default unless a compelling commerce case exists—a commerce case that passes the technical inspection of the DBA group.

    Most of the major DBMS products Have 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 pick a DBMS based solely on its faculty to uphold 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 depart wrong with DB2 or Oracle. Both are Popular and uphold just about any ilk of database. Another major player is Microsoft SQL Server, but only for Windows platforms. DB2 and Oracle hasten on multiple platforms ranging from mainframe to UNIX, as well as Windows and even handheld devices. Choosing a DBMS other than these three should subsist 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 great three further MySQL, Sybase, Teradata, and Informix. Table 2.2 lists these tier-2 DBMS vendors. primitive of these offerings are trait DBMS products, but their installed basis is smaller, their products are engineered and marketed for niche purposes, or the companies are smaller with fewer resources than the great Three (IBM, Oracle, and Microsoft), so there is some risk in choosing a DBMS from tier 2 instead of tier 1. However, there may subsist solid reasons for deploying a tier-2 solution, such as the tall 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, unavoidable predefined needs, and niche roles. If your company is heavily into the open-source software movement, PostgreSQL, EnterpriseDB, or MySQL might subsist viable options. If an remonstrate DBMS is considerable 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 adequate functionality with minimal risk. A myriad of DBMS products are available, each with unavoidable features that execute 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. refer to Appendix B for a list of DBMS vendors.

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

  • Operating system support. Does the DBMS uphold the operating systems in use at your organization, including the versions that you are currently using and design on using?
  • Type of organization. Take into consideration the corporate philosophy when you pick a DBMS. Some organizations are very conservative and like to preserve a tense rein on their environments; these organizations tend to gravitate toward traditional mainframe environments. Government operations, financial institutions, and insurance and health companies usually tend to subsist conservative. More-liberal organizations are often willing to account alternative architectures. It is not uncommon for manufacturing companies, dot-coms, and universities to subsist less conservative. Finally, some companies just outcome not faith Windows as a mission-critical environment and prefer to use 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 subsist 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 subsist useful as a broad indicator of database performance but should not subsist the only determinant when selecting a DBMS. Many of the TPC benchmarks are hasten 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 prove original and improved performance measurements for each of the major DBMS products, rendering the benchmark “winners” obsolete very quickly.
  • Scalability. Does the DBMS uphold the number of users and database sizes you intend to implement? How are great databases built, supported, and maintained—easily or with a lot of pain? Are there independent users who can corroborate the DBMS vendor’s scalability claims?
  • Availability of supporting software tools. Are the supporting tools you require available for the DBMS? These items may embrace query and analysis tools, data warehousing uphold tools, database administration tools, backup and recovery tools, performance-monitoring tools, capacity-planning tools, database utilities, and uphold 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 commerce 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 fulfill 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 determination uphold benchmark consisting of a suite of business-oriented ad hoc queries and concurrent data modifications
  • TPC-E, an updated OLTP workload (based on financial transaction processing)
  • Additional information and in-depth definitions of these benchmarks can subsist organize at the TPC Web site at www.tpc.org (see figure 2.1).

  • Technicians. Is there a adequate supply of skilled database professionals for the DBMS? account your needs in terms of DBAs, technical uphold 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 pervade wildly varying prices for their technology. Total cost of ownership should subsist 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 original version? Some vendors Have rapid release cycles, with original releases coming out every 12 to 18 months. This can subsist top-notch 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 subsist difficult to support. A rapid release cycle will cause conservative organizations either to upgrade more frequently than they would like or to live with outdated DBMS software that is unlikely to Have the identical level of uphold 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? speak with current users to elicit issues and concerns you may Have overlooked. How is support? Does the vendor respond well to problems? outcome things generally work as advertised? Are there a lot of bug fixes that must subsist applied continuously? What is the trait of original releases? These questions can subsist answered only by the folks in the trenches.
  • When choosing a DBMS, subsist sure to Take into account the complexity of the products. DBMS software is very intricate and is getting more intricate with each original release. Functionality that used to subsist supported only with add-on software or independent programs is increasingly being added as features of the DBMS, as shown in figure 2.2. You will need to design for and uphold primitive the features of the DBMS. Even if there is no current requirement for unavoidable features, once you implement the DBMS the programmers and developers will find a understanding to use just about anything the vendor threw into it. It is better to design and subsist prepared than to allow features to subsist used without a design 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 captious to the success of the database applications. One wrong election or poorly implemented component of the overall architecture can cause poor 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 commerce and IT experts, rather than a unique person or group, should execute the final architecture decision. commerce experts should embrace representatives from various departments, as well as from accounting and legal for software condense 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 subsist included in this team.

    Furthermore, subsist sure that the DBMS you select is usurp for the nature and ilk of processing you design to implement. Four levels of DBMS architecture are available: enterprise, departmental, personal, and mobile.

    An enterprise DBMS is designed for scalability and tall performance. An enterprise DBMS must subsist capable of supporting very great databases, a great 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 primitive the “bells and whistles” available from the DBMS vendor. Multiprocessor support, uphold 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 miniature 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 subsist 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 unique 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 moreover 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 pick a personal DBMS for a departmental or enterprise solution. However, outcome not subsist lured by the low cost. A personal DBMS product is suitable only for very small-scale projects and should never subsist 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 ilk of processing may subsist ill suited for other uses. For example, a personal DBMS is not designed for multiple users, and an enterprise DBMS is generally too intricate for unique users. subsist sure to understand the differences among enterprise, departmental, personal, and mobile DBMS software, and pick the usurp DBMS for your specific data-processing needs. You may need to pick multiple DBMS types—that is, a DBMS for each level—with usage determined by the needs of each development project.

    If your organization requires DBMS solutions at different levels, favor the selection of a group of DBMS solutions from the identical 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 use of multiple “independent” computing systems working together as a single, highly available system. A modern DBMS offers clustering uphold to enhance availability and scalability. The two predominant architectures for clustering are shared-disk and shared-nothing. These names outcome a top-notch job of describing the nature of the architecture—at least at a tall level.

    Shared-nothing clustering is depicted in figure 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 subsist dynamically transferred to another system in the cluster. The main edge of shared-nothing clustering is scalability. In theory, a shared-nothing multiprocessor can scale up to thousands of processors because they outcome not meddle with one another—nothing is shared.

    In a shared-disk environment, primitive the connected systems participate the identical disk devices, as shown in figure 2.4. Each processor soundless has its own private memory, but primitive the processors can directly address primitive 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 great processors—are capable of processing stupendous volumes of work. considerable benefits can subsist obtained with only a few clustered mainframes, while many PC and midrange processors would need to subsist 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 massive 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 massive read environment

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

    Data need not subsist partitioned

    Data is partitioned across the cluster

    The major DBMS vendors provide uphold 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 true Application Clusters provide shared-disk clustering.

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

    DBMS Proliferation

    As a rule of thumb, create a policy (or at least some simple guidelines) that must subsist followed before a original DBMS can subsist brought into the organization. Failure to outcome so can cause a proliferation of different DBMS products that will subsist difficult to support. It can moreover cause confusion regarding which DBMS to use for which development effort.

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

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

    Hardware Issues

    When establishing a database environment for application development, selecting the DBMS is only Part of the equation. The hardware and operating system on which the DBMS will hasten 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 gyrate will probably exceed a Dell server running Windows. That is not to direct everything should hasten on a mainframe; other issues such as cost, experience, manageability, and the needs of the applications to subsist developed must subsist considered. The bottom line is that you must subsist sure 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 miniature to medium-size businesses. A cloud implementation can subsist more cost-effective than edifice 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 recrudesce 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 commerce instead of their computing environment.

    By consolidating data sources in the cloud, it is possible to help 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 case 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 uphold for Sybase Adaptive Server Enterprise Cluster Edition | killexams.com true 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 development of its premier monitoring solution for Sybase data management products, enabling customers – including many that manage the world's most captious data – to cost-effectively maintain unprecedented performance and reliability.

    “The original 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 captious 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 capitalize ensure an extremely reliable, tall 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 great 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 uphold for Sybase Surveillance customers,” said Brad Tashenberg, CEO, Bradmark Technologies, Inc. “With this original functionality, Bradmark moreover demonstrates its faculty to deliver timely and functionally moneyed value to their Sybase customers.”

    Surveillance is a real-time monitoring instrument 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 cause of performance problems, and insure the well being of the user’s database environment. Difficult problems can subsist resolved in a fraction of the time required without such a product. Surveillance installs in minutes and, once configured, can inaugurate monitoring right away.

    Surveillance at the Sybase Greater China User Conference

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

    Product Availability

    Surveillance 4.2 will subsist available November 30, 2008. Also, Bradmark will uphold 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, tickle 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 moreover subsist available directly from Sybase, and can now subsist purchased on eShop, Sybase’s online store. For more information, or to state an order, tickle call 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 obviate 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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    APTUSC [1 Certification Exam(s) ]
    Arizona-Education [1 Certification Exam(s) ]
    ARM [1 Certification Exam(s) ]
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    NCIDQ [1 Certification Exam(s) ]
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    NI [1 Certification Exam(s) ]
    NIELIT [1 Certification Exam(s) ]
    Nokia [6 Certification Exam(s) ]
    Nortel [130 Certification Exam(s) ]
    Novell [37 Certification Exam(s) ]
    OMG [10 Certification Exam(s) ]
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    Riverbed [8 Certification Exam(s) ]
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    SASInstitute [15 Certification Exam(s) ]
    SAT [1 Certification Exam(s) ]
    SCO [10 Certification Exam(s) ]
    SCP [6 Certification Exam(s) ]
    SDI [3 Certification Exam(s) ]
    See-Beyond [1 Certification Exam(s) ]
    Siemens [1 Certification Exam(s) ]
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    SOA [15 Certification Exam(s) ]
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    SpringSource [1 Certification Exam(s) ]
    SUN [63 Certification Exam(s) ]
    SUSE [1 Certification Exam(s) ]
    Sybase [17 Certification Exam(s) ]
    Symantec [134 Certification Exam(s) ]
    Teacher-Certification [4 Certification Exam(s) ]
    The-Open-Group [8 Certification Exam(s) ]
    TIA [3 Certification Exam(s) ]
    Tibco [18 Certification Exam(s) ]
    Trainers [3 Certification Exam(s) ]
    Trend [1 Certification Exam(s) ]
    TruSecure [1 Certification Exam(s) ]
    USMLE [1 Certification Exam(s) ]
    VCE [6 Certification Exam(s) ]
    Veeam [2 Certification Exam(s) ]
    Veritas [33 Certification Exam(s) ]
    Vmware [58 Certification Exam(s) ]
    Wonderlic [2 Certification Exam(s) ]
    Worldatwork [2 Certification Exam(s) ]
    XML-Master [3 Certification Exam(s) ]
    Zend [6 Certification Exam(s) ]





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