From: Mike Snitzer <snitzer@redhat.com>
To: Mark Woodward <markw@mohawksoft.com>
Cc: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Snapshots
Date: Thu, 16 Feb 2012 11:09:23 -0500 [thread overview]
Message-ID: <20120216160923.GA16220@redhat.com> (raw)
In-Reply-To: <4F3D28F8.2060009@mohawksoft.com>
On Thu, Feb 16 2012 at 11:04am -0500,
Mark Woodward <markw@mohawksoft.com> wrote:
> On 02/16/2012 10:43 AM, Mike Snitzer wrote:
> >Please review the upstream Linux>= 3.2 kernel code/docs too, it has
> >more documentation of the underlying capabilities, e.g.:
> >
> >Documentation/device-mapper/thin-provisioning.txt
> >
> >http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=blob;f=Documentation/device-mapper/thin-provisioning.txt
> >
> >(the "Introduction" being the most approachable overview)
> OK, that's where I missed it. I looked at the snapshots description.
> It is now part of thin-provisioning. Got it. Will it be in the 2.6
> kernel or will there need to be an upgrade to 3.x series?
It went upstream in Linux 3.2. So if using upstream kernels you'll need
Linux >= 3.2. (you'll also need the latest upstream lvm2 code for the
ability to create thinp devices and snapshots of them with lvm2).
But thinp will also be provided in the next RHEL6 release (6.3).
Mike
next prev parent reply other threads:[~2012-02-16 16:09 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-16 13:25 [linux-lvm] Snapshots Mark Woodward
2012-02-16 13:57 ` Mike Snitzer
2012-02-16 14:05 ` Marco Pizzoli
2012-02-17 15:20 ` Mike Snitzer
2012-02-16 14:42 ` Mark Woodward
2012-02-16 15:18 ` Stuart D. Gathman
2012-02-16 15:54 ` Mike Snitzer
2012-02-17 4:46 ` Stuart D. Gathman
2012-02-17 13:56 ` Mike Snitzer
2012-02-16 16:51 ` Bryn M. Reeves
2012-02-16 15:43 ` Mike Snitzer
2012-02-16 16:04 ` Mark Woodward
2012-02-16 16:09 ` Mike Snitzer [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-09-17 14:24 Jon Hardcastle
2009-09-17 14:37 ` Peter Keller
2009-09-10 23:25 jonr
2009-09-11 9:14 ` Peter Keller
2009-09-11 13:39 ` André Gillibert
2001-10-18 20:35 [linux-lvm] snapshots Robert Dyas
2001-10-18 21:11 ` Andreas Dilger
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