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June 21st, 2007 06:00

DiskXtender/Centera & Symantec Antivirus

We have a customer that has a number of windows (w2k3 & w2k) file servers; with large partitions >1TB AND >10,000,000 objects in many cases. They wish to start archiving using DiskXtender & Centera. They use Symantec AV with scheduled scans; all of the initial testing I have done seems to suggest that when the scheduled scans run the archived files are fetched from the Centera. Not good - performance is very poor; and it sort of negates what Centera is all about.

Has anyone come across this before and found a work around ? The obvious one - stop doing scheduled scans - is getting some resistance from our customer. Are there are any 'best practice' guidelines for this sort of environment ?

Many Thanks

Chris

129 Posts

July 3rd, 2007 04:00

Try to use the special appliation filtering option of DX. There you can set the behaviour of DX against the request of the specified application.
In DX File System Manager Administrator choose the Service menu, then Properties and then Options tab. Scroll down to "Use special application filtering", AFAIK the default setting is Yes. Highlight it, then Edit list... button, check if the .exe files of the AV software are defined or not. If not then add the .exe files to the list, and configure the behaviour. I think the "No recall" is your option.

Krisztian

10 Posts

September 24th, 2007 07:00

The feature "scan files opened for backup" is not supported.
Therefore the option "opened for backup"
needs to be switched off in Symantec AntiVirus "Auto-
Protect Advanced Options" menue.

To more efficiently scan files maintained by Hierarchical
Storage Management (HSM), Symantec AntiVirus
allows configuration options for on-demand or scheduled
scans.
The appropriate settings for DX are:
- Skip offline and sparse.
- Open files with Backup semantics.
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