RE: AMANDA and gtar and Maildir and a couple of thousand mail users
2006-12-31 08:36:35
Thanks, I have gone and updated that.
I'm using the latest stable 2.51 on various FreeBSD machines.
--
Mark Hennessy
> -----Original Message-----
> From: owner-amanda-users AT amanda DOT org
> [mailto:owner-amanda-users AT amanda DOT org] On Behalf Of Matt Hyclak
> Sent: Friday, December 29, 2006 5:13 PM
> To: amanda-users AT amanda DOT org
> Subject: Re: AMANDA and gtar and Maildir and a couple of
> thousand mail users
>
> On Fri, Dec 29, 2006 at 04:41:31PM -0500, Mark Hennessy
> enlightened us:
> > I'm seeing this problem where gtar seems to take about 18
> hours in total to
> > back up.
> >
> > It's pulling the data off of a NetApp filer connected to
> the AMANDA server
> > using Gigabit Ethernet. The total amount of data is like
> 120GB and I'm using
> > a Quantum SDLT-220 drive.
> >
> > I'm not sure what could be causing this slowness in the
> backup. It seems to
> > take like 6 hours to calculate the file list alone for this
> partition and the
> > other drives/partitions that don't host Maildirs get have
> L0s done fine in
> > like 2-3 hours at most so I would think it's because
> Maildir simply has so
> > many files.
> >
> > Any good alternatives to gtar? Any commandline parameters
> to try to make the
> > list creation be done more quickly or not done at all if possible?
> >
> > Thanks for any advice!
>
> You don't say what version of amanda you're using, but the estimate
> paramater of your dumptype should help considerably. I use
> CALCSIZE because
> I don't really care exactly how accurate the estimates are.
> There are a
> couple other options you should check out.
>
> Matt
>
> --
> Matt Hyclak
> Department of Mathematics
> Department of Social Work
> Ohio University
> (740) 593-1263
>
>
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