Amanda-Users

Re: Slow performance with dump + LVM

2007-01-23 23:00:03
Subject: Re: Slow performance with dump + LVM
From: Gene Heskett <gene.heskett AT verizon DOT net>
To: amanda-users AT amanda DOT org
Date: Tue, 23 Jan 2007 22:50:12 -0500
On Tuesday 23 January 2007 21:56, Ross Vandegrift wrote:
>On Tue, Jan 23, 2007 at 01:01:38AM -0500, Gene Heskett wrote:
>> Well, since dump works at the partition level, it may be that dump and
>> LVM aren't compatible.  Switch to tar, which is file oriented & see
>> what happens.
>
>Looks like I'm hitting nearly the same speed situation.  I backed up
>7932MiB in 2460 seconds (I got impatient...) which comes out to about
>3-4MiB/s.
>
>Since tar behaves the same way, I think I'm going to play around with
>various record sizes when reading from LVM.  Something in the blokc
>layer is shooting my transfer rates.

I don't think I'm having any troubles with tar in that regard, my 7-9GB 
backups are all done in sub 1 hour times.

-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Yahoo.com and AOL/TW attorneys please note, additions to the above
message by Gene Heskett are:
Copyright 2007 by Maurice Eugene Heskett, all rights reserved.

<Prev in Thread] Current Thread [Next in Thread>