Re: [BackupPC-users] Backing up many small files

> -----Original Message-----
> From: Les Mikesell [mailto:lesmikesell AT gmail DOT com]
> Sent: Tuesday, February 05, 2013 6:00 PM
> To: General list for user discussion, questions and support
> Subject: Re: [BackupPC-users] Backing up many small files
> 
> On Tue, Feb 5, 2013 at 2:36 AM, Sorin Srbu <sorin.srbu AT orgfarm.uu DOT se>
> wrote:
> > Hi all,
> >
> > I see incremental backup times in the 300-400 minutes range every day
> on this
> > particular machine. A full backup is about 28 GB and each daily
> incremental
> > backup is in the 150-250 MB range. The incrementals take like forever
> (well,
> > about 6-7 hrs each).
> >
> > Is there *anything* I can do to tweak the backup-speed of BPC in
> order to
> > speed up a backup from this machine that contains hundreds of
> thousands of
> > small files? Maybe something on the other machine?
> 
> Is it split into some small number of top-level directories?   If so,
> you might add additional 'hosts', each configured to point to the same
> target machine via ClientAliasName, but backing up different
> directories.   This may not save overall time unless the total number
> of files is causing the directory read to run out of RAM and swap, but
> it will let you skew the days where each part does a full.

That's plan B. I read about this strategy on the archived post from Markus.

It's basically /home and everything in it that's being backed up. There are
about thirtyish users on this client and the instrument data gets saved in
each user's homefolder.

-- 
/Sorin

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