BackupPC-users

Re: [BackupPC-users] BackupPC - take a day off?

2016-06-01 16:43:26
Subject: Re: [BackupPC-users] BackupPC - take a day off?
From: Holger Parplies <wbppc AT parplies DOT de>
To: bpb21 <backuppc-forum AT backupcentral DOT com>, bpb21 AT hotmail DOT com
Date: Wed, 1 Jun 2016 22:42:50 +0200
Hi,

bpb21 wrote on 2016-05-18 10:22:22 -0700 [[BackupPC-users]  BackupPC - take a 
day off?]:
> [someone else wrote:]
> > Maybe it's possible to create a blackout period for that day? Not sure if
> > one should specify saturday or sunday as weekdays. 
> > [...]
> 
> Thanks!  I think this is it.  I completely overlooked this for all the
> other settings.  Sounds promising.

well, yes, that is the solution that comes to mind. I'm not sure the problem
you are solving is the important one, though.

What exactly are you trying to scan for viruses, your backups or the rest
of the system?

Assuming you are scanning the backups:
Does your anti-virus software handle compression (i.e. the non-standard
format used by BackupPC)? If not, then your anti-virus software will run
just fine, consume lots of CPU time and keep your hard disks busy, but it
will be pretty much guaranteed to never find anything (which might be what
you are actually hoping for, but it would also be very much meaningless).
If it does work, remember that you want to scan only the pool, not the pc/
directory structure. Since BackupPC conveniently only stores the data once,
you only need to scan it once.

Assuming you are *not* scanning the backups:
Be sure to exclude the backups from the AV scan - it would take forever
and probably be quite pointless.

As a side note, the nightly job you seem to be referring to -
BackupPC_nightly - is not "pooling and compression", it's more like
"housekeeping and statistics". Compression is done during backups.
Pooling is done during backups for existing files (i.e. where an
identical file is known to BackupPC) and during BackupPC_link for
new files.

Hope that helps.

Regards,
Holger

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