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Tivoli Storage Manager Sample Architecture - IBM

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<strong>Tivoli</strong> <strong>Storage</strong> <strong>Manager</strong> Deduplication <strong>Sample</strong> <strong>Architecture</strong><br />

4.3 <strong>Storage</strong> configuration<br />

4.3.1 Disk subsystem layout<br />

TSM Database volumes (4.3 TB total usable capacity):<br />

• 8 x Raid 5 arrays created with three spindles per array.<br />

o One logical drive created consuming the entire array, with a total usable capacity of 558GB<br />

per logical drive.<br />

TSM database log volumes (558 GB total usable capacity):<br />

• 1 x Raid 5 array created with three spindles<br />

o One logical drive created with 130GB for the active log<br />

o One logical drive created with 428GB for the archive log<br />

TSM storage pool volumes (83TB total usable capacity):<br />

• 14 Raid 5 arrays created using 2TB spindles with three per array.<br />

o One logical drive created consuming each array, with a total usable capacity of 3725GB per<br />

logical drive.<br />

• 18 Raid 5 arrays created using 1TB spindles with three per array.<br />

o One logical drive created consuming each array, with a total usable capacity of 1818GB per<br />

logical drive.<br />

4.3.2 Volume manager and file system configuration<br />

1. Create volume groups for the database, database logs, and storage pools (several additional volume<br />

groups are created for file storage pools which are not shown)<br />

mkvg -B -y tsmdb hdisk39 hdisk40 hdisk41 hdisk42 hdisk43 hdisk44 hdisk45 hdisk46<br />

mkvg -B -y tsmlog hdisk38<br />

mkvg -B -y tsmarchlog hdisk36<br />

mkvg -B -y tsmdisk hdisk34 hdisk35<br />

mkvg -B -y tsmfile1 hdisk20 hdisk21 hdisk22 hdisk23 hdisk24 hdisk25 hdisk26<br />

hdisk27 hdisk28<br />

2. Create logical volumes and file systems. In some cases repeated commands have been omitted.<br />

Note the pp size counts used in your environment will vary depending on the physical volume size. The rbrw<br />

mount option has been shown to improve performance for storage pool volumes, archive log volumes, and<br />

file systems used for TSM database backups to disk. After file systems are created and mounted, be sure to<br />

assign ownership to the user id which will be used as the TSM database instance id.<br />

• DB volumes:<br />

mklv -y tsmdb01 -t jfs2 -u 1 -x 555 tsmdb 555 hdisk39<br />

crfs -v jfs2 -d tsmdb01 -p rw -a agblksize=4096 -m /tsmdb01 -A yes<br />

< … ><br />

mklv -y tsmdb08 -t jfs2 -u 1 -x 555 tsmdb 555 hdisk46<br />

crfs -v jfs2 -d tsmdb08 -p rw -a agblksize=4096 -m /tsmdb08 -A yes<br />

Document: <strong>Tivoli</strong> <strong>Storage</strong> <strong>Manager</strong> Deduplication <strong>Sample</strong> <strong>Architecture</strong> Date: 09/28/2012<br />

Version: 1.0<br />

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