ADSM-L

Using "Incremental Restores" as a DR tool

2001-05-09 15:24:46
Subject: Using "Incremental Restores" as a DR tool
From: Denis L'Huillier <dlhuillier AT PERSHING DOT COM>
Date: Wed, 9 May 2001 15:10:28 -0400
I have a question..  We are currently going over our Disaster Recovery
plans and will be doing a DR test in 2 weeks.  The major issue is restore
times.  As a solution would it be possible to do "Incremental Restores" on
the DR servers.  For example.. on the unix servers set up a crontab to run
once a day doing a point-in-time restore from the production server.  This
way when a Disaster occurs the restore time will be as long as an
incremental.  If we run the cron job after all the backups take place but
before migration all the data should still be in the disk storage pool.
This way we could do this for many DR servers at once..

To Clarify:
Production Server = PRODUNIX
DR Server = DRUNIX
PRODUNIX runs an incremental backup every night and completes no later then
04:00.
DRUNIX does a "dsmc restore -pitd=xx/xx/xx -pitt=xx/xx/xx -subdir=yes /* "
once a day at 05:00.  ( "nodename  produnix" is in the dsm.sys of drunix )
Now when we need to restore the DR box 99% of the data is already there..
Does anybody see anything wrong with this plan???
Just an idea..

Thanks for any comments..
Denis L'Huillier
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