Mark, Thanks for the info.
One thing I'm still not clear on is "what does one do with a database image backup?" The manuals are clear about how to create one, but less clear on how you would use it. Thanks again. Tab "ADSM: Dist Stor Manager" <[email protected]> wrote on 06/28/2005 10:19:07 AM: > From: ADSM: Dist Stor Manager [mailto:[EMAIL PROTECTED] On > Behalf Of Tab Trepagnier > >We are setting up SAN replication for DR. I need some > >information on how to handle the TSM database. > > > >TSM 5.1.10.0 - soon to be TSM 5.3.(2?).x. > >AIX 5.2 ML-3 - soon to be AIX 5.3 ML-2+ > > > >Now we have an EMC Clariion CX500 SAN and we're setting up SAN-to-SAN > >replication with our warm site. We will have a TSM server > >staged at that > >site but it will be OFFLINE because of a shortage of live > >Fiber ports in a > >non-DR state. Our drop-ship contract includes an FC switch. > > > >What we would like to do is backup the DB - full and > >incremental - to the > >SAN and replicate those backups to the warm site's SAN. Recovery would > >involve connecting the staged recovery server to the target > >LUN and then restore the replicated database volumes. > > > >Questions: > >* Would that work?? > >* If I wanted to continue the DB backups to tape in parallel - in other > >words, maintain two DB backup sequences - how would I do that? > >* The Backup DB command offers a Type=Image option. What does > >one do with a DB image? > > Short answer: yes. > > There is a very important point with replication--if the replication > target runs a TSM server, the TSM server process must *not* be running > during replication. > > Virtually all replication technology is application-agnostic; i.e., the > replication process doesn't care what the data looks like--it just moves > bytes from source to target. If you replicate a TSM db to a target box, > and the target box has a hot TSM server process running against the > database, you'll corrupt it in a flash. If you want failover capability, > great pain must be taken to insure that the replication link is closed > before starting the target machine's process. > > If your replication technology is solid, you should be able to run a TSM > db backup during replication. > > -- > Mark Stapleton ([EMAIL PROTECTED]) > IBM Certified Advanced Deployment Professional > Tivoli Storage Management Solutions 2005 > IBM Certified Advanced Technical Expert (CATE) AIX > Office 262.521.5627
