I work for an IT company and we use sophos at many different client sites. Two sites tape backup is negatively affected by sophos and even after disabling on access scanning or setting up exceptions it still goes very slow. I have logged a fault with support desk about it but they just asked for diagnostic information to be run which is kind of pointless in my opinion, because we have the same problem at various sites with different backup software with different environments across many different servers with different software and different hardware.
Two site example:
Site a:
Arcserve backup 16
Backing up a document management file store. Usually goes at 30-40mbyte a second. If i enable on access scanning even with exceptions on the document store it reduces the backup speed to 4-5mbyte a second.
site b
Symantec backup exec:
Backing up a standard file store with various types of files and data. Usually goes at up to 50mbyte a second, with sophos enabled it goes at 5mbyte a second, even with exceptions set up on the areas being backed up.
I have tried many different things like disabling everything but on access scanning and even disabling on access scanning. At site A i even had on access scanning disabled but had to stop all the services before the backup would return back to its normal speed.
Has anyone else been affected by this before and any way i can fix it? I realy don't want to set up exceptions or disable on access scanning on our file stores as that is what we bought the software for.
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