ADSM-L

Question - Migration

2006-05-23 11:51:12
Subject: Question - Migration
From: Nancy L Backhaus <Backhaus.Nancy AT HEALTHNOW DOT ORG>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 23 May 2006 11:40:09 -0400
Problem:   TSM doesn't have enough time during the day to drain all of the
diskpools down to 0% before client backups start in the afternoon.    So,
on our declared disaster day, one of our critical small DB2 databases was
still on disk never going to tape.   Because migration selects the largest
client with the largest amont of data, that small database is stuck in
disk for multiple days never going to tape.    I could seperate the
critical servers into smaller disk pools as one solution, or collocate by
group node data.

Question>   Is there a way  to force all of a client nodes data in a
diskpool to migrate to tape even though it falls below the low migration
setting?     I see settings in update stgpool to keep data longer in disk,
but I want any data that is left over from yesterday to migrate first
before starting with the largest client again.



Background:

TSM Server  Extended Edition 5.3.2.2
AIX Operating System 5.3



Our clients all back up to disk pools first , then we backup the diskpools
to onsite tape pools, then do a backup of the onsite tapepools for
disaster recovery and send those tapes to an offsite location.


Nancy Backhaus
Enterprise Systems
HealthNow, NY
716-887-7979

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