ADSM-L

Re: Backup Scheduling

2001-07-27 08:20:33
Subject: Re: Backup Scheduling
From: Len Boyle <SNOLEN AT VM.SAS DOT COM>
Date: Fri, 27 Jul 2001 08:14:10 EDT
In article <sb617c42.057 AT HEALTH-ES2.HEALTH.QLD.GOV DOT AU>, Steve Harris
<STEVE_HARRIS AT HEALTH.QLD.GOV DOT AU> says:
>
>Whoops!!
>
>Looks like I got it backwards.  The example in the help under define =
>copygroup is a little confusing and could be interpreted either way (I did =
>check before I posted)
>
>One reason to do a full backup is to consolidate all active files onto as =
>small a set of media as possible in order to facilitate a quick restore.
>
>Steve.=20
Hello Steve

For this function you might want to look at two functions.
1) Since in it's normal operation tsm does inc backups only, it
   normally use much less tape real estate then full/inc backup schemes.
   To enable the data for restores to be on just a few tapes, look at
   the collacate settings for the tape storage pool and the reclaim
   function to merge sparce tapes into full tapes.
   We use this  feature and it does make a difference.

2) If you need to keep a snap shot of data for a long time  without the
   need to keep the data in the tsm data look at the backupset
   function to snap a copy of the active fileset on a tape set that
   can be removed from the tsm server.

len

-------------------------------------------------------------------------
Leonard Boyle                               snolen AT vm.sas DOT com
Leonard Boyle                               snolen AT vm.sas DOT com
SAS Institute Inc.                          ussas4hs@ibmmail
Room RB448                                  len.boyle AT sas DOT com
1 SAS Campus Drive                          (919) 531-6241
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