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November 8th, 2007 03:00

diskXtender 6.2 slow backup IBM TSM 5.3

Hi ,

we have a problem with slow backup tsm 5.3
When we active a disk extended , backup go very slow ,about two time , why ? some idea ?
Someone with tsm as cliente backup ?
With diskxtender installed but without any disk extended , backup go good , good duration .



we have 6.2 diskxtender version .


Thanks .

26 Posts

November 28th, 2007 10:00

once you extended a drive with DX then the DX filter driver comes into play and you will see about a 30% performance drive in backups
remember the TSM need s to open a file 4 files to get the security information and therefore forces that open command to go through the DX filter drive 4 times too.

If you feel that the times are far greater then 30% then please start a support service request for this issue.
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