You have not said by how much compression has reduced the 350 gb
ie. how much data are you actually sending over the network.
6 hours might be very good.





Francisco Molero <fmolero AT YAHOO DOT COM> on 03/20/2001 03:35:06 PM

Please respond to "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>

To:   ADSM-L AT VM.MARIST DOT EDU
cc:    (bcc: John Naylor/HAV/SSE)
Subject:  SAP and 3494 performance.



Hello,
I have a query about performance between a TDP for SAP
R/3 under HP-UX and TSM Server with a 3494 library.
The size of database is 350 GB and the connection is
via tcpip (ethernet 100). I used the brbackup -c -t
offline command and the bacukp is sent to tape pool in
the library 3494. I have a private network and also I
am using the compression parameter to yes in the
client in order to improve the performance in the
network. The backup takes 6 hours in backing up the db
and this time is very high. I need to reduce it. the
drives are 3590, and the format device class is DRIVE.
Can someone help me about the parameters which can
improve this performance ???

Regards,
Fran

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