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[Veritas-bu] otm/vsp/vss (was: RE: Checkpoint on backups.)
2006-12-12 12:43:44
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Subject: |
[Veritas-bu] otm/vsp/vss (was: RE: Checkpoint on backups.) |
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From: |
bob944 at attglobal.net (bob944) |
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Date: |
Tue, 12 Dec 2006 12:43:44 -0500 |
> > > I have also found our backups
> > > can run 10 mins slower with VSP on, compared to turning it off.
> >
> > Your bpbkar log will show you how much of that is due to the
> > initial wait for n seconds of disk-quiet time.
>
> True - but when you have LARGE TB's of Data, its horrible!
>
> The example was for a file system 1.7GB in size !
Actually, GB or TB, it's the same. NetBackup System Administrator's
Guide for Windows, Volume 1, p. 423. Default is five minutes to wait
for five seconds of quiet time. Again, I commend you to your logs for
gaining understanding of what is going on.
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