IBM System Storage Ideas Portal


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Status Not under consideration
Workspace Storage Protect Family
Categories Spectrum Protect (Server)
Created by Guest
Created on Dec 2, 2016

RELATED IDEAS

Improve NQR Performance

When doing an NQR on Nodes with tens of millions of files, the initial TSM database search and sort operation which takes place on the server takes several hours.
We noticed that the hardware resource utliziation (CPU, DB2 Disks) is not very high during this procedure.

DB2 uses 60% of a single core
dsmserv uses 50% of a single core

DB2 DB Disks are utlized 25%
DB2 Logs are utlized max 15%

Seems that this process runs single threaded and not very well optimized.

However having a good RTO perspective when using TSM also on large Nodes is crucial if TSM should succeed in the future.

Telling users: "Well now we have to wait 1 day until TSM is ready and begins to send back your data" is no option and Nodes with several tens or even hundreds of millions of files is not that uncommon even today.

Idea priority High

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