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Test Number : C9010-022
Test Name : IBM AIX Administration V1
Vendor Name : IBM
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C9010-022 test
Format | C9010-022 Course Contents | C9010-022 Course Outline | C9010-022 test
Syllabus | C9010-022 test
Objectives
Exam Title :
IBM Certified System Administrator - AIX V1
Exam ID :
C9010-022
Exam Duration :
120 mins
Questions in test
:
62
Passing Score :
36 / 62
Official Training :
AIX Users and System Administration training path
Exam Center :
Pearson VUE
Real Questions :
IBM AIX Administration Real Questions
VCE Practice Test :
IBM C9010-022 Certification VCE Practice Test
System Availability
- Identify resources used by Cluster Aware AIX.
- Configure dump devices and analyze output.
- Determine elements necessary to reduce single points of failure, e.g. RAID, redundant hardware.
- Maintain hardware and CEC firmware (deferred/concurrent, etc.); replace, maintain, or install adapters; use ASMI.
9%
Storage Management
- Create and manage filesystems including extend, reduce, set and change attributes, etc..
- Create and manage logical volumes including extend, reduce, set and change attributes, etc.
- Create and manage volume groups including extend, reduce, set and change attributes, etc.
- Manage physical and virtual devices including multipathing.
- Manage storage devices (traditional disk, Solid State Drives, and tape) including redundancy (RAID).
15%
System and Network Security
- Configure role-based access control.
- Configure and manage remote access, e.g. ssh, SFTP, rlogin, etc.
- Manage system authentication grammar.
- Describe PowerSC components (basic understanding).
9%
Partition Management
- Configure and manage Logical Partitions (LPARs) including DLPAR operations.
- Create and manage Workload Partitions (WPAR) including Versioned WPARs and planning for Live Application Mobility.
- Understand HMC and IVM interfaces.
- Interact with and collect information from VIO servers (NOT VIO server technical focus; using and accessing virtual devices).
- Understand and explain LPAR and WPAR migration and mobility at a basic level.
12%
Performance Management and Tuning
- Use performance monitoring tools and plan for future growth.
- Analyze output from performance monitoring tools, e.g. iostat, vmstat, lparstat, Hot File Detection, and nmon.
- Configure system tunables to support optimal application performance, e.g. no, vmo, etc.
10%
Network Management
- Configure network devices including Etherchannel and Ipv4.
- Troubleshoot network issues.
- Configure TCP/IP with and without VLAN support.
- Configure NFS.
11%
System Management
- Create, maintain and modify user accounts.
- Manage services and subsystems using chtcp, etc.
- Configure the system and device attributes.
- Describe components of NIM.
- Install, apply, commit, or reject software.
- Create and manage paging space (aside from just the create and manage aspects, also PD aspects in cases where paging is exhausted).
- Use Cron and At.
13%
Install and Manage AIX
- Understand and manage AIX instance startup (boot process, maintenance mode, inittab, etc.).
- Backup and restore AIX.
- Install and manage WPARs.
- Install AIX and use NIM environments.
13%
General Administrative Tasks
- Create and use ksh and Perl scripts at a basic level.
- Use AIX commands such as TAR, CPIO, DD, RPM, SAVEVGSTRUC, and explain their use.
- Describe use of SNAP, particularly with support issues.
8%
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IBM AIX techniques
After conducting a few benchmarks, Microsoft concluded that .web presents more advantageous performance and price-performance ratio than WebSphere. IBM rebutted Microsoft’s findings and conducted other checks proving that WebSphere is advanced to .web. Microsoft responded with the aid of rejecting some of IBM’s claims as false and repeating the tests on distinct hardware with diverse results.
abstract
Microsoft has benchmarked .internet and WebSphere and published the benchmark supply code, run suggestions, use guidelines and a findings report published at wholoveswindows.com entitled Benchmarking IBM WebSphere 7 on IBM Power6 and AIX vs. Microsoft .web on HP BladeSystem and windows Server 2008. This benchmark indicates a lots higher transactions per 2nd (TPS) expense and more suitable cost/efficiency ratio when the usage of WebSphere 7 on windows Server 2008 over WebSphere on AIX 5.three, and even more advantageous consequences when the usage of .web on windows Server 2008 over WebSphere on the same OS. The cost/efficiency ratio for the software benchmark used is:
IBM vigor 570 with WebSphere 7 and AIX 5.three
HP BladeSystem C7000 with WebSphere 7 and home windows Server 2008
HP BladeSystem C7000 with .internet and windows Server 2008
$32.forty five
$7.92
$three.99
connected backed content material
IBM has rebutted Microsoft’s benchmark and referred to as a few of their claims as false, and performed a special benchmark, with distinct consequences. The benchmark used along with the findings have been published in Benchmarking AND BEATING Microsoft’s .net three.5 with WebSphere 7! (PDF). The source code of the benchmark was no longer published. The consequences exhibit WebSphere as a higher performing core-tier than .web with 36% extra TPS for one application benchmark and from 176% to 450% improved throughput for considered one of IBM’s commonplace benchmarks.
Microsoft responded to IBM and defended their claims and benchmarking consequences with Response to IBM’s Whitepaper Entitled Benchmarking and Beating Microsoft .internet 3.5 with WebSphere 7 (PDF). Microsoft has also re-run their benchmark, modified to include a special look at various movement similar to the one used by means of IBM in their checks, operating it on different hardware, a single multi-core server, founding that indeed WebSphere is stronger than .web if the use of IBM’s test move but most effective slightly more desirable, between 3% and %6, now not as said by IBM. anyway that, these later findings don't alternate the common ones considering the benchmark became run on a special hardware configuration. within the conclusion, Microsoft invites IBM to “an impartial lab to operate further checking out”.
Microsoft trying out .net in opposition t WebSphere
Microsoft has carried out a collection of tests evaluating WebSphere/Java towards .net on three distinct platforms. The details of the benchmarks carried out and the look at various outcomes had been published within the whitepaper entitled Benchmarking IBM WebSphere® 7 on IBM® Power6™ and AIX vs. Microsoft® .net on Hewlett Packard BladeSystem and windows Server® 2008 (PDF).
platforms validated:
IBM power 570 (vigor 6) running IBM WebSphere 7 on AIX 5.3
8 IBM Power6 cores at 4.2GHz
32 GB RAM
AIX 5.3
four x 1 GB NICs
Hewlett Packard BladeSystem C7000 working IBM WebSphere 7 on home windows Server 2008
4 Hewlett Packard ProLiant BL460c blades
One Quad-Core Intel® Xeon® E5450 (3.00GHz, 1333MHz FSB, 80W) Processor/blade
32 GB RAM/blade
windows Server 2008/64-bit/blade
2 x 1 GB NICs/blade
Hewlett Packard BladeSystem C7000 working .web on windows Server 2008
identical as the previous one but the functions proven run on .web instead of WebSphere.
a couple of three assessments were performed on each platform:
alternate web utility Benchmarking The functions validated have been IBM’s alternate 6.1 and Microsoft’s StockTrader 2.04. This collection of exams have evaluated the performance of comprehensive facts-driven web purposes running on desirable of the above mentioned systems. The net pages accessed had one or continually more operations serviced through courses contained through the enterprise layer and ending with synchronous database calls.
trade center Tier web capabilities Benchmarking This benchmark become supposed to measure the performance of the net carrier layer executing operations which ended up in database transactions. The verify became akin to internet software, but operations have been counted for my part.
WS verify net services Benchmarking This verify was like the previous one but there changed into no enterprise good judgment nor database access. This become based on WSTest workload initially devised by means of sun and augmented via Microsoft. The capabilities tier provided 3 operations: EchoList, EchoStruct and GetOrder. Having no company good judgment, the examine measured handiest the raw performance of the net carrier application.
Two database configurations were used, one for the all-IBM platform and a different for the different two: IBM DB2 V9.5 business edition with IBM DB2 V9.5 JDBC drivers for data entry and SQL Server 2008 databases enterprise version. Two databases had been deploy for each and every configuration running on HP BL680c G5 blades:
4 Quad-Core Intel XEON CPUs, @2.4GHZ (sixteen cores in every blade)
sixty four GB RAM
4 x 1GB NICs
IBM DB 9.5 commercial enterprise edition 64-bit or Microsoft SQL Server 2008 64-bit
Microsoft windows Server 2008 64-bit, business version
2 4GB HBAs for fiber/sans access to the EVA 4400 storage
The storage became secured on HP StorageWorks EVA 4400 Disk Array:
96 15K drives complete
four logical volumes consisting of 24 drives each
Database server 1: Logical quantity 1 for logging
Database server 1: Logical volume 2 for database
Database server 2: Logical quantity 3 for logging
Database server 2: Logical volume 4 for database
The net utility benchmark used 32 customer machines running verify scripts. each laptop simulated tons of of valued clientele having a 1 second think time. The checks used an tailored edition of IBM’s change 6.1 software on SUT #1 & #2 and Microsoft’s StockTrader software on SUT #3.
For the net carrier and WSTest benchmarks, Microsoft used 10 consumers with a 0.1s feel time. For WSTest, the databases had been not accessed. Microsoft has created a WSTest-compliant benchmark for WebSphere 7 and JAX-WS and an additional in C# for .net using WCF.
Microsoft’s whitepaper incorporates greater particulars on how the exams were performed including the DB configuration, DB access used, caching configuration, examine scripts, tuning parameters used and others.
Conclusion
The benchmarking consequences including the charges/efficiency ratio are shown in here table:
IBM power 570 with WebSphere 7 and AIX 5.three
HP BladeSystem C7000 with WebSphere 7 and home windows Server 2008
HP BladeSystem C7000 with .internet and home windows Server 2008
complete center-Tier gadget charge
$260,128.08
$87,161.00
$50,161.00
trade internet application Benchmark
8,016 TPS
eleven,004 TPS
12,576 TPS
charge/efficiency
$32.45
$7.92
$3.99
exchange center Tier internet carrier Benchmark
10,571 TPS
14,468 TPS
22,262 TPS
can charge/performance
$24.61
$6.02
$2.25
WSTest EchoList examine10,536 TPS
15,973 TPS
22,291 TPS
charge/efficiency
$24.sixty nine
$5.46
$2.25
WSTest EchoStruct check11,378 TPS
sixteen,225 TPS
24,951 TPS
cost/performance
$22.86
$5.37
$2.01
WSTest GetOrder examine11,009 TPS
15,491 TPS
27,796 TPS
can charge/performance
$23.sixty three
$5.sixty three
$1.eighty
in response to Microsoft’s benchmarking results, running WebSphere on HP BladeSystem with windows Server 2008 is about 30% extra productive and the cost-performance ratio is 5 instances reduce than working WebSphere on IBM vigor 570 with AIX 5.three. The .net/home windows Server 2008 configuration is even more efficient and the can charge/performance ratio drops to half in comparison to WebSphere/home windows Server 2008 and it's 10 times smaller than WebSphere/vigour 570/AIX. The charge-performance ratio is so excessive for the primary platform because the cost of the whole core-tier is over $250,000 while the efficiency is lower than the different platforms.
Microsoft’s benchmarking whitepaper (PDF) incorporates an appendix with finished details of the hardware and utility costs. The benchmarking checks used, together with supply code, are published on StockTrader website.
IBM’s Rebuttal
In another paper, Benchmarking AND BEATING Microsoft’s .internet 3.5 with WebSphere 7! (PDF), IBM has rejected Microsoft’s benchmark and created yet another one displaying that WebSphere is performing improved than .net.
Microsoft had said that StockTrader is corresponding to IBM’s alternate utility:
Microsoft created an utility that's functionally corresponding to the IBM WebSphere change application, each when it comes to person performance and core-tier database entry, transactional and messaging habits.
IBM rejected Microsoft’s claim:
The utility claims to be “functionally equivalent” to the IBM WebSphere exchange 6.1 trial
software. It is not a “port” of the utility in any sense. Little, if any, of the usual application design was ported. Microsoft has made this an application that showcases the use of its proprietary technologies. a tremendous indication of this is the undeniable fact that the .web StockTrader software is not a universally available net application in view that it may well best be accessed by using internet Explorer, and not by means of other web browsers.
moreover, IBM spoke of that alternate became not designed to benchmark WebSphere’s efficiency however quite to
serve as a pattern utility illustrating the utilization of the points and capabilities contained in WebSphere and how they involving utility efficiency. furthermore, the utility served as a pattern which allowed builders to explore the tuning capabilities of WebSphere.
IBM had other complaints related to Microsoft’s benchmark:
Microsoft created a very new software [StockTrader] and claimed practical equivalence at the utility stage. The reality is that the Microsoft version of the utility used proprietary SQL statements to entry the database, unlike the common version of change 6.1 which changed into designed to be a transportable and generic utility.
They employed customer side scripting to shift one of the most software characteristic to the client.
They tested internet features capabilities with the aid of inserting an unnecessary HTTP server between the WebSphere server and the customer.
And If that was not satisfactory, they failed to adequately video display and modify the WebSphere software server to obtain peak performance.
IBM’s aggressive challenge office team (CPO) has ported StockTrader 2.0 to WebSphere creating CPO StockTrader and claiming: “we did a port that faithfully reproduced Microsoft’s software design. The intent changed into to achieve an apples-to-apples assessment.” So, trader 6.1 became ported by way of Microsoft from WebSphere to .web beneath the identify StockTrader and ported once again by IBM back to WebSphere below the name CPO StockTrader. IBM benchmarked CPO StockTrader in opposition t StockTrader and received greater results for WebSphere against .internet:
IBM has also recommended they are the use of pleasant financial institution, an application meant to benchmark WebSphere towards .web. during this check WebSphere outperforms .web a number of instances:
of their StockTrader vs. CPO StockTrader benchmark, IBM used scripts simulating consumer endeavor: “login, getting rates, inventory purchase, stock promote, viewing of the account portfolio, then a logoff” and working in stress mode devoid of believe times. 36 clients were simulated, sufficient to power every server at highest throughput and utilization. The facts returned was validated and blunders were discarded.
The front end was carried out with WebSphere 7/home windows Server 2008 in one case and .net three.5 with IIS 7/home windows Server 2008 in the other. The returned conclusion database turned into DB2 eight.2 and SQL Server 2005, both on windows Server 2003.
The hardware used for testing became:
efficiency trying out tool HardwareX345 8676 Server2 X three.06 GHz Intel Processor with Hyper Thread Technology8 GB RAM18.2 GB 15K rpm SCSC tough Disk Drive1 GB Ethernet interfaceApplication Server Hardware IBM X3950 Server, 8 x 3.50 Ghz, Intel Xeon Processors with Hyper Thread expertise, 64 GB RAMDatabase Server HardwareX445 8670 Server, 8x 3.0 Ghz. Intel Xeon Processors with Hyper Thread expertise, sixteen GB RAMUltraSCSI 320 Controller , EXP 300 SCSI expansion Unit, 14x 18.2 GB 15K rpm difficult Disk force configured as 2 Raid Arrays.One for Logs & One for Database, each and every array is constituted of 7 challenging disks in a Raid 0 configuration.The Ethernet network backbone The isolated community hardware is made out of 3x 3Comm SuperStack 4950 switches and one three Comm SuperStack 4924 swap operating at 1 GB.
The application and hardware configuration for the pleasant financial institution benchmark became akin to the StockTrader one.
IBM’s whitepaper contains information concerning the friendly financial institution utility, but doesn't aspect to the source code. It additionally mentions that the application became at the beginning designed for .internet Framework 1.1 and became simply recompiled on .internet 3.5 without being updated to use the latest technologies.
Microsoft Response to IBM’s Rebuttal
Microsoft has responded to IBM’s rebuttal in yet an extra whitepaper, Response to IBM’s Whitepaper Entitled Benchmarking and Beating Microsoft .web 3.5 with WebSphere 7 (PDF). in this doc, Microsoft defends their common benchmarking outcomes and affirms that IBM made some false claims of their rebuttal doc entitled Benchmarking AND BEATING Microsoft’s .web three.5 with WebSphere 7!, and IBM did not use an acceptable benchmarking manner. extra has been posted at wholoveswindows.com.
basically, Microsoft stated the following claims are false:
IBM claim: The .net StockTrader does not faithfully reproduce the IBM trade application functionality.Microsoft response: this declare is false; the .web StockTrader 2.04 faithfully reproduces the IBM WebSphere exchange software (using commonplace .net Framework technologies and coding practices), and may be used for reasonable benchmark comparisons between .internet 3.5 and IBM WebSphere 7.
IBM declare: The .internet StockTrader uses client-facet script to shift processing from the server to the client.Microsoft response: this claim is fake, there is no client-aspect scripting within the .net StockTrader application.
IBM declare: The .net StockTrader uses proprietary SQL.Microsoft response: the .web StockTrader makes use of general SQL statements coded for SQL Server and/or Oracle; and provides a data access layer for each. The IBM WebSphere 7 trade software in a similar fashion makes use of JDBC queries coded for DB2 and/or Oracle. Neither implementation uses kept techniques or capabilities; all enterprise logic runs in the software server. essential pre-organized SQL statements are utilized in both purposes.
IBM claim: The .web StockTrader is not programmed as a universally obtainable, skinny-client net software. therefore it runs most effective on IE, no longer in Firefox or different browsers.Microsoft response: in fact, the .internet StockTrader internet tier is programmed as a universally obtainable, pure skinny client internet application. although, a simple situation in theuse of HTML remark tags reasons considerations in Firefox; these comment tags are being updated to enable the ASP.web application to appropriately render in any trade average browser, including Firefox.
IBM declare: The .internet StockTrader has mistakes below load.Microsoft response: here's false, and this document contains additional benchmark exams and Mercury LoadRunner particulars proving this IBM claim to be false.
also, Microsoft complained that IBM had developed friendly bank for .web Framework 1.1 years ago the usage of obsolete applied sciences:
IBM’s pleasant bank benchmark uses an out of date .web Framework 1.1 application that contains applied sciences reminiscent of DCOM which have been out of date for decades. This benchmark should be utterly discounted except Microsoft has the chance to review the code and update it for .internet 3.5, with more exact
technologies for ASP.web, transactions, and windows verbal exchange groundwork (WCF) TCP/IP binary remoting (which replaced DCOM because the favourite remoting technology).
Microsoft considered IBM failed by way of now not featuring the source code for CPO StockTrader and friendly bank applications and reiterated the indisputable fact that all of the supply code for Microsoft’s benchmark applications involved in this case had been made public.
Microsoft additionally seen that IBM had used a modified check script which “protected a heavier emphasis on buys and additionally covered a promote operation”. Microsoft re-performed their benchmark using IBM’s modified check script flow, one including the operations purchase and promote beside Login, Portfolio, Logout, on a single 4-core utility server maintaining that
these assessments are in response to IBM’s revised script and are meant to fulfill some of these IBM rebuttal look at various situations as outlined in IBM’s response paper. They may still no longer be considered in any manner as a metamorphosis to our usual consequences (carried out on distinct hardware, and different look at various script circulation); as the usual consequences stay valid.
The look at various was carried on:
utility Server(s)
Database(s)
1 HP ProLiant BL460c1 Quad-core Intel Xeon E5450 CPU (3.00 GHz)32 GB RAM2 x 1GB NICsWindows Server 2008 sixty four-bit.net 3.5 (SP1) 64-bitIBM WebSphere sixty four-bit
1 HP ProLiant DL380 G52 Quad-core Intel Xeon E5355 CPUs (2.67 GHz)64 GB RAM2 x 1GB NICsWindows Server 2008 sixty four-bitSQL Server 2008 sixty four-bitDB2 V9.7 sixty four-bit
The outcome of the verify shows an identical performance for WebSphere and .internet.
one of IBM’s complaints had been that Microsoft inserted an pointless HTTP web server in entrance of WebSphere cutting back the variety of transactions per 2nd. Microsoft admitted that, however introduced:
the use of this HTTP Server became wholly mentioned within the usual benchmark paper, and is performed in accordance with IBM’s personal most effective observe deployment guidelines for WebSphere. In this type of setup, IBM recommends the usage of the IBM HTTP Server (Apache) because the entrance conclusion web Server, which then routes requests to the IBM WebSphere software server. In our assessments, we co-located this HTTP on the same desktop as the utility Server. here is reminiscent of the .net/WCF net carrier checks, the place we hosted the WCF web capabilities in IIS 7, with co-located IIS 7 HTTP Server routing requests to the .internet application pool processing the WCF provider operations. So in both checks, we proven an equal setup, the use of IBM HTTP Server (Apache) as the front conclusion to WebSphere/JAX-WS functions; and Microsoft IIS 7 as the entrance conclusion to the .net/WCF services. hence, we stand in the back of all our long-established results.
Microsoft performed yet a different verify, the WSTest, with out the middleman HTTP internet server on a single quad-core server like the previous one, and received the following outcome:
both tests performed via Microsoft on a single server show WebSphere protecting a mild efficiency knowledge over .web however not as plenty as IBM pretended of their paper. besides that, Microsoft remarked that IBM didn't touch upon middle-tier can charge evaluation which greatly favors Microsoft.
Microsoft endured to challenge IBM to
meet us [Microsoft] in an impartial lab to function further checking out of the .net StockTrader and WSTest benchmark workloads and pricing analysis of the core tier software servers established in our benchmark report. furthermore, we invite the IBM aggressive response team to our lab in Redmond, for dialogue and extra testing of their presence and beneath their overview.
final Conclusion
frequently, a benchmark contains
a workload
a set of guidelines describing how the workload is to be processed – run guidelines -
a technique attempting to ensure that the run rules are respected and outcomes are interpreted accurately
A benchmark is always supposed to examine two or extra methods in an effort to assess which one is improved for performing certain initiatives. Benchmarks are also used via organizations to enhance their hardware/application earlier than it goes to their valued clientele by using trying out distinctive tuning parameters and measuring the outcomes or by using spotting some bottlenecks. Benchmarks can also be used for advertising applications, to show that a certain gadget has more suitable efficiency than the competitor’s.
within the starting, benchmarks have been used to measure the hardware efficiency of a equipment, like the CPU processing vigor. Later, benchmarks were created to check and evaluate applications like SPEC MAIL2001 and even utility servers like SPECjAppServer2004.
There is not any excellent benchmark. The workload can also be tweaked to favor a undeniable platform, or the statistics may also be misinterpreted or incorrectly extrapolated. To be convincing, a benchmark needs to be as clear as viable. The workload definition should be public, and if possible the source code should be made available for these fascinated to examine. a transparent set of run suggestions are mandatory so different parties can repeat the identical assessments to look the consequences for themselves. the manner outcomes are interpreted and their meaning should be disclosed.
We are not aware of a response from IBM to Microsoft’s ultimate paper. it will be wonderful to see their response. likely, the ideal technique to clear issues up is for IBM to make the supply code of their assessments public so anybody fascinated may look at various and notice for themselves the place is the fact. unless then we will only speculate on the correctness and validity of these benchmarks.
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