Networker

[Networker] saveset larger than source

2008-01-15 18:23:00
Subject: [Networker] saveset larger than source
From: Alan Rubin <Alan.Rubin AT NT.GOV DOT AU>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Wed, 16 Jan 2008 08:44:09 +0930
Hello,

We have encountered a NetWorker behavior wherein the saveset being backed up on
the NetWorker server is significantly larger than the source data.  In some
cases the saveset is larger than the physical disk from which the data is being
retrieved.  I believe this problem may be caused by client files being
touched/open/updated during the backup period; however, NetWorker's reaction to
this activity is far from ideal.  It's a waste of network, disk and tape
resources which we can ill afford.  Does anyone know how NetWorker should behave
when it tries to backup a file/saveset that changes during the backup?  Is there
any way to change this behavior?

We are running 7.3.3 Build 510 on a Sun T2000 running Solaris 10 08/07.  The
clients where we have definitely seen this affect are Windows servers.  Our
clients mostly still run a 7.3.2 version of the client.

Regards,

Alan Rubin
Technician Unix
DCS Midrange Services
Phone: +61 (08) 8999 6814
Fax:      +61 (08) 8999 7493
e-Mail: alan.rubin AT nt.gov DOT au

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