Veritas-bu

[Veritas-bu] Restore is faster than backup

2006-05-06 04:18:33
Subject: [Veritas-bu] Restore is faster than backup
From: ewilts AT ewilts DOT org (Ed Wilts)
Date: Sat, 6 May 2006 03:18:33 -0500
On Sat, May 06, 2006 at 10:52:28AM +0500, Atif Munir wrote:
> I have a very much confusing issue. We have a SF6900 with 2TB storage
> from HDS running Solaris 9.
> 
> Every time I take backup of the filesystem or database I am getting an
> average speed of 50MB/sec.But over the restore on the same box I am
> getting a very good speed around 80MB/sec.
> 
> It is reallly confusing.....anyone have any idea.
> PS: The box is completely idel during backup/restor.

It can be hard on the client to walk a file system trying to figure out
what to back up.  If you've got lots of little files, this can
especially be true.  It's quite likely that NetBackup has to do a lot
less work to do your restore than to do a backup.

        .../Ed

-- 
Ed Wilts, Mounds View, MN, USA
mailto:ewilts AT ewilts DOT org

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