Tivoli Storage Manager Sample Architecture - IBM

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Tivoli Storage Manager Deduplication Sample Architecture 4. Configuration The following sections summarize configuration changes that were made to software components after installation. 4.1 Operating system tuning changes The following AIX operating system settings were changed on the test system: • Enable I/O completion ports chdev -l iocp0 -P • Tune hard disks used for TSM database, logs, and storage pool volumes. The commands below were repeated for all disks used for the TSM database and storage pools. chdev -l hdisk38 -a max_transfer=0x100000 chdev -l hdisk38 -a queue_depth=32 • Several configuration choices were made relative to the volume manager and file systems. The following options are reflected in commands which follow in a later section: • Volume groups are created as the Big-type. • JFS2 file systems are used. • File system logs are not created as in-line. • File systems are mounted with the release-behind (rbrw) option for file systems used by the archive log and file storage pools. 4.2 DB2 configuration changes No additional configuration changes were made to DB2 beyond what the TSM installation and database formatting perform automatically. At the time of formatting, a TSM V6.1 server was used with DB2 v9.5. The following TSM command was used to format the database: dsmserv -o /tsminst1/dsmserv.opt -i /tsminst1 format dbdir=/tsmdb01,/tsmdb02,/tsmdb03,/tsmdb04,/tsmdb05,/tsmdb06,/tsmdb07,/tsmdb08 activelogsize=122880 activelogdir=/tsmactlog archlogdir=/tsmarchlog archfailoverlogdir=/tsmarchfail The following DB2 level is currently installed: DB2 v9.7.0.5", "special_28032", "IP23285_28032", and Fix Pack "5 Document: Tivoli Storage Manager Deduplication Sample Architecture Date: 09/28/2012 Version: 1.0 Page 14 of 21
Tivoli Storage Manager Deduplication Sample Architecture 4.3 Storage configuration 4.3.1 Disk subsystem layout TSM Database volumes (4.3 TB total usable capacity): • 8 x Raid 5 arrays created with three spindles per array. o One logical drive created consuming the entire array, with a total usable capacity of 558GB per logical drive. TSM database log volumes (558 GB total usable capacity): • 1 x Raid 5 array created with three spindles o One logical drive created with 130GB for the active log o One logical drive created with 428GB for the archive log TSM storage pool volumes (83TB total usable capacity): • 14 Raid 5 arrays created using 2TB spindles with three per array. o One logical drive created consuming each array, with a total usable capacity of 3725GB per logical drive. • 18 Raid 5 arrays created using 1TB spindles with three per array. o One logical drive created consuming each array, with a total usable capacity of 1818GB per logical drive. 4.3.2 Volume manager and file system configuration 1. Create volume groups for the database, database logs, and storage pools (several additional volume groups are created for file storage pools which are not shown) mkvg -B -y tsmdb hdisk39 hdisk40 hdisk41 hdisk42 hdisk43 hdisk44 hdisk45 hdisk46 mkvg -B -y tsmlog hdisk38 mkvg -B -y tsmarchlog hdisk36 mkvg -B -y tsmdisk hdisk34 hdisk35 mkvg -B -y tsmfile1 hdisk20 hdisk21 hdisk22 hdisk23 hdisk24 hdisk25 hdisk26 hdisk27 hdisk28 2. Create logical volumes and file systems. In some cases repeated commands have been omitted. Note the pp size counts used in your environment will vary depending on the physical volume size. The rbrw mount option has been shown to improve performance for storage pool volumes, archive log volumes, and file systems used for TSM database backups to disk. After file systems are created and mounted, be sure to assign ownership to the user id which will be used as the TSM database instance id. • DB volumes: mklv -y tsmdb01 -t jfs2 -u 1 -x 555 tsmdb 555 hdisk39 crfs -v jfs2 -d tsmdb01 -p rw -a agblksize=4096 -m /tsmdb01 -A yes < … > mklv -y tsmdb08 -t jfs2 -u 1 -x 555 tsmdb 555 hdisk46 crfs -v jfs2 -d tsmdb08 -p rw -a agblksize=4096 -m /tsmdb08 -A yes Document: Tivoli Storage Manager Deduplication Sample Architecture Date: 09/28/2012 Version: 1.0 Page 15 of 21
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Tivoli Storage Manager Sample Architecture - IBM

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