From: Heinz Mauelshagen <heinzm@redhat.com>
To: device-mapper development <dm-devel@redhat.com>
Cc: agk@redhat.com
Subject: Re: [PATCH] dm-thinp: new device mapper target to thin provision storage
Date: Wed, 29 Sep 2010 13:25:36 +0200 [thread overview]
Message-ID: <1285759536.23010.2.camel@o> (raw)
In-Reply-To: <4CA2DCCE.3070905@suse.de>
On Wed, 2010-09-29 at 08:29 +0200, Hannes Reinecke wrote:
> Phillip Susi wrote:
> > On 9/28/2010 4:49 PM, Heinz Mauelshagen wrote:
> >> These are 2 new device mapper targets "thinp" and "thinp-dev"
> >> implemented in one module, which allow for thin provisioning of storage
> >> on a single host from a storage pool to an arbitrary amount of devices.
> >
> > How is this different than snapshotting a zero target?
> >
> Main difference is that you actually can free up space.
> You can't with snapshotting as then a rollback
> becomes impossible.
>
Yes, that's right.
Heinz
> Cheers,
>
> Hannes
next prev parent reply other threads:[~2010-09-29 11:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-28 20:49 [PATCH] dm-thinp: new device mapper target to thin provision storage Heinz Mauelshagen
2010-09-28 21:44 ` Phillip Susi
2010-09-29 6:29 ` Hannes Reinecke
2010-09-29 11:25 ` Heinz Mauelshagen [this message]
2010-09-29 11:25 ` Heinz Mauelshagen
2010-09-29 13:41 ` Phillip Susi
2010-09-29 15:20 ` Heinz Mauelshagen
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