From: "Brian J. Murrell" <brian@interlinx.bc.ca>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Using LVM Mirroring to obtain a usable backup
Date: Wed, 16 Sep 2009 15:49:41 -0400 [thread overview]
Message-ID: <1253130581.16343.258.camel@pc.interlinx.bc.ca> (raw)
In-Reply-To: <1253128546.3243.13.camel@delo.gdit>
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On Wed, 2009-09-16 at 21:15 +0200, Ambrogio De Lorenzo wrote:
>
> Imagine that upgrade change something in LVM configuration or in lvm
> software.
Well, that is most certainly a corner case. LVM/device-mapper is very
stable and never caused me a problem of this nature.
> Snapshots are good only if you have the original data and all the
> modified data.
Of course. You have to have LVM in order for snapshots to work.
> I know very well how snapshot works. And it's for this reason that I
> don't think it's a good choise for my scope
So why not take this opportunity to learn something new? I love
opportunities like that.
> Yes, but LVM is already configured for this reason.
> Mdadm isn't. I tried to test it but I'm not able to obtain a mirror of
> an already partitioned and used disk.
So (to beat a dead horse) use a snapshot then.
b.
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next prev parent reply other threads:[~2009-09-16 21:40 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-16 13:59 [linux-lvm] Using LVM Mirroring to obtain a usable backup Ambrogio De Lorenzo
2009-09-16 15:05 ` André Gillibert
2009-09-16 16:47 ` Ambrogio De Lorenzo
2009-09-16 16:58 ` Brian J. Murrell
2009-09-16 19:15 ` Ambrogio De Lorenzo
2009-09-16 19:49 ` Brian J. Murrell [this message]
2009-09-16 20:03 ` André Gillibert
2009-09-16 20:22 ` Ambrogio De Lorenzo
2009-09-16 22:03 ` Kai Stian Olstad
2009-09-16 18:19 ` malahal
2009-09-16 19:03 ` Ambrogio De Lorenzo
2009-09-16 20:33 ` malahal
2009-09-17 10:05 ` Bryn M. Reeves
2009-09-17 15:06 ` Stuart D. Gathman
2009-09-17 15:34 ` Brian J. Murrell
2009-09-17 22:49 ` Stuart D. Gathman
2009-09-17 23:26 ` Les Mikesell
2009-09-18 0:58 ` Stuart D. Gathman
2009-09-18 1:51 ` Sven Eschenberg
2009-09-18 16:05 ` Mark H. Wood
2009-09-18 19:12 ` Stuart D. Gathman
2009-09-17 23:48 ` Brian J. Murrell
2009-09-18 1:55 ` Stuart D. Gathman
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