| | {center} h2. *SUSE Linux Enterprise Server (SLES) 10 - DB2 9.5* |
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| | {panel:title=SUSE Linux Enterprise Server (SLES) 10|titleBGColor=#659EC7|borderStyle=none|bgColor=#FFFFFF|borderColor=#a1a1a1} |
| | The information contained in this page outlines SUSE Linux Enterprise Server (SLES) 10 specific information on DB2 9.5. |
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| | Common requirements |
| | * DB2 9.5 requires SLES 10 SP1 |
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| | {div}{include:dn} [Validated and Recommended Levels|#valEnv] {div} |
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| | {div}{include:dn} [Platform Requirements|#plat] {div} |
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| | {div}{include:dn} [FAQ|#faq] {div} |
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| | {panel:title=Validated and Recommended Levels|titleBGColor=#98AFC7|borderStyle=none|bgColor=#FFFFFF|borderColor=#a1a1a1} |
| | The validated service update levels for this distribution are listed below. Depending on availability of critical fixes, the minimum and recommended levels may vary. |
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| | || DB2 9.5 || Distribution Level || Comments || |
| |  | | *Validated levels* | SLES10 SP1-2 | | |
| | | | *Validated levels* | SLES10 SP1 - SP3 | | |
| | | *Minimum levels* \* | SLES10 SP1 | | |
| | | *Recommended levels* \*\* | SLES10 SP1 | | |
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| | {color:grey}\* Minimum level - contains fixes that are critical to the stability of DB2.{color} |
| | {color:grey}\*\* Recommended level - contains fixes that are crucial to performance and/or security of DB2{color}\\ |
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| | {panel:title=Platform Requirements|titleBGColor=#98AFC7|borderStyle=none|bgColor=#FFFFFF|borderColor=#a1a1a1} |
| | The base kernel level and the base library levels listed here are the default levels provided by the Linux Environment in question. Kernel and library levels that differ from this due to update packages provided by the Linux distributor are also supported. |
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| | || Platform || Base Kernel Level || Libraries || Comments || |
| | | *x86* | 2.6.16 | glibc-2.4-31 | | |
| | | *x86_64 AMD64/EM64T* | 2.6.16 | glibc-2.4-31 | \-all 32-bit compatibility libraries are required for 32-bit applications. | |
| | | *POWER* | 2.6.16 | glibc-2.4-31 | \-[Requires the IBM XL C/C+\+ Version 8.0 Runtime|http://www-1.ibm.com/support/docview.wss?uid=swg24011028] | |
| | | *zSeries* | 2.6.16 | glibc-2.4-31 | | |
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| | *Xen Hypervisor 3.1 Support* |
| | DB2 9.5 is validated for use in a Xen virtualized environment with the following configuration: |
| | * SLES 10.2 (without paravirtualization) running as Domain-0 |
| | * SLES 10.2 (without paravirtualization) used as operating system on all guest virtual servers |
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 | | *Random DB2 failures may occur on Linux with Address Space Layout Randomization (ASLR)* |
| | Some DB2 processes may result in shared memory segment failures due to the Address Space Layout Randomization (ASLR) feature. ASLR is designed to insert random gaps into address space to hinder some types of security attacks. DB2 processes are capable of identifying the correct address of the shared memory segement. However not all processes are able to use that address due to randomization of ASLR. Processes that are known to encounter failures are: db2pd, db2egcf, and db2vend. |
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| | ASLR is activated by default on SLES10 and SLES11. To avoid random shared memory conflicts, it is recommended to disable ASLR at the server level. Please refer to [technote ref # 1365583 | http://www-01.ibm.com/support/docview.wss?rs=71&context=SSEPGG&dc=DB560&dc=DB520&uid=swg21365583&loc=en_US&cs=UTF-8&lang=en&rss=ct71db2] for details. |
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