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Slow Windows Fileserver Backup versus Novell

We've got a backup server running Server 2003 SP2 and BackupExec v12.5 rev 2213.  It's been merrily backing up some old Novell fileservers at around 1000 MB/min or more - up to nearly 2000 MB/min.

We've been migrating data off these fileservers to Server 2008 R2 but these are backing up much slower - often less than half the speed - eg 300 to 500 MB/min.   One fileserver has a fibre channel SAN and another is virtualised and has iSCSI SAN storage but there's no significant backup speed difference between them.  Both are slow compared to the old Novell servers.

A second backup server running Server 2008 R2 SP1 and BackupExec 2012 v14.0 rev 1798 is backing up a Server 2003 fileserver at about 500 MB/min as well.

Does anyone have any experience of this sort of thing or any suggestions as to how we could look into it?  Thanks.
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cantoris
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cantoris
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Mohammed KhawajaManager - Infrastructure: Information TechnologyCommented:
Ensure to configure your AV to exclude processes for your backup software as well as to exclude files opened for backup from getting scanned.
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cantorisAuthor Commented:
Looking into this, thanks.  So far it looks promising.

Might use and Pre- and Post- backup commands to turn AV on and off.  Discussing with the AV manufacturer to see their take on this.

Will let you know what happens.
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cantorisAuthor Commented:
OK it turns out that Sophos Antivirus has a little-known registry tweak to add an exclusion by process name.  It's not in the GUI yet.

I implemented this and a backup of >1TB went from around 500MB/min to about 1400MB/min!
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cantorisAuthor Commented:
Thanks!
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