Re: Anyone Using IBM flash Copy for Database Backups?
- From: Patty.Charlebois@xxxxxxxxxxxxxx
- To: regdba@xxxxxxxxx
- Date: Mon, 2 Nov 2009 13:27:46 -0500
We use IBM Flashcopy for several purposes, including the creation of test and
reporting databases on a nightly basis. We do this with the production
(source) database up so there is actually no production downtime to do the copy.
The nightly incremental copy only takes minutes for us to complete for an
approximately 1TB source database.
Patty
Peter Barnett <regdba@xxxxxxxxx> Sent by: oracle-l-bounce@xxxxxxxxxxxxx
2009/11/02 09:52 AM
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Anyone Using IBM flash Copy for Database Backups?
We have several large warehouse databases in the 12T to 15T range. The normal
run time for our RMAN backup scripts more than doubled after upgrading to 11g.
The scripts do use compression which seems to be the problem.
IBM claims that Flash Copy will back up a 2.5T DB2 database in less than 15
minutes. Is anyone using Flash Copy for Oracle database backups? If so, do
the IBM estimates for DB2 correlate to Oracle run times?
Pete Barnett
Database Technologies Lead
Regence
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