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Re: Speed up xfsdump ?

To: Bill Kendall <wkendall@xxxxxxx>, Nicolas Kowalski <Nicolas.Kowalski@xxxxxxx>
Subject: Re: Speed up xfsdump ?
From: "Bryan J. Smith" <b.j.smith@xxxxxxxx>
Date: Mon, 12 Sep 2005 10:42:23 -0700 (PDT)
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <4325BA69.4070709@xxxxxxx>
Reply-to: b.j.smith@xxxxxxxx
Sender: linux-xfs-bounce@xxxxxxxxxxx
Bill Kendall <wkendall@xxxxxxx> wrote:
> Try the dump this way and see if performance improves:
> xfsdump -J -f /dev/nst0 -b 1048576 -d 8192 /raid

Agreed.  Play with the blocking/buffering options of xfsdump
itself.

Again (I know, I'm repeating myself), there is no reason to
use an external buffering program to a local tape device. 
Only if you are streaming to an external device do you need
to pipe through a buffering program on the other size (where
the tape device is local).




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