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From: Markus Armbruster <armbru@redhat.com>
To: Iordan Iordanov <iordan@cdf.toronto.edu>
Cc: kvm@vger.kernel.org
Subject: Re: differencing disks support
Date: Thu, 09 Jun 2011 08:24:28 +0200	[thread overview]
Message-ID: <m3lixbldyb.fsf@blackfin.pond.sub.org> (raw)
In-Reply-To: <4DEFD70E.4020209@cdf.toronto.edu> (Iordan Iordanov's message of "Wed, 08 Jun 2011 16:09:50 -0400")

Iordan Iordanov <iordan@cdf.toronto.edu> writes:

> Does KVM support or plan to support differencing disks (where there is
> a read-only source disk, and each person running a virtual machine can
> save block-level changes that their virtual machine is making to the
> disk in a separate "differencing" image)?
>
> If so, can somebody suggest how I may make use of this feature
> (i.e. building the newest version from source, and any other
> requirements).

Check out image format qcow2.

LVM snapshots were already mentioned.

      parent reply	other threads:[~2011-06-09  6:25 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-08 20:09 differencing disks support Iordan Iordanov
2011-06-08 20:33 ` Dan VerWeire
2011-06-09  6:24 ` Markus Armbruster [this message]

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