BackupPC-users

Re: [BackupPC-users] rsync clients run out of memory

2009-08-17 22:10:20
Subject: Re: [BackupPC-users] rsync clients run out of memory
From: Holger Parplies <wbppc AT parplies DOT de>
To: Richard Hansen <rhansen AT bbn DOT com>
Date: Tue, 18 Aug 2009 04:06:52 +0200
Hi,

Richard Hansen wrote on 2009-08-14 14:36:06 -0400 [Re: [BackupPC-users] rsync 
clients run out of memory]:
> Les Mikesell wrote:
> > [...]
> > If they are grouped in several subdirectories, you could break the 
> > backups into separate runs.  If they are all in one directory, even 
> > protocol 30 probably won't help.
> 
> The files are in several subdirectories.  I was contemplating breaking 
> up the run, but there's a complication:  The set of subdirectories 
> (underneath the only directory where it makes sense to split up the run) 
> changes over time.  It's a slow change, so maybe I can keep a sharp eye 
> out and manually adjust RsyncShareName as subdirectories are added and 
> removed (blech).

maybe a better way to do this would be with BackupFilesOnly and
BackupFilesExclude (do only some subdirectories for one share and exclude them
from the other). You would obviously also need to adapt that over time, but
at least you wouldn't ever miss anything, because you exclude the same things
on one side that you include on the other.

> > Using tar as the xfer method would avoid the issue with the tradeoff 
> > that you use more bandwidth for full runs and don't reflect changes 
> > quite as accurately in increments.
> 
> I've switched to tar for now, and I'm hoping that it will prove to be an 
> adequate solution.

Note the remark about the changes. tar incrementals can't detect deleted files
or new files with old timestamps (eg. under renamed directories).

Regards,
Holger

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