From: Michael Closson <closms@gmail.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] efficiently copying snapshot data.
Date: Mon, 12 Jul 2010 17:25:26 -0400 [thread overview]
Message-ID: <AANLkTimXTmPteemyFlPERIadySao43fL11eUdeTPUD_d@mail.gmail.com> (raw)
In-Reply-To: <20100710155031.GA26290@agk-dp.fab.redhat.com>
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OK but can the two snapshots exist on different physical machines?
On Sat, Jul 10, 2010 at 11:50 AM, Alasdair G Kergon <agk@redhat.com> wrote:
> On Fri, Jul 09, 2010 at 09:01:02PM -0400, Stuart D. Gathman wrote:
> > Copy to a regular LV on the target system, and then do some dmsetup
> > and metadata magic to turn the LV (which is a copy of a COW table) into a
> > snapshot of the master LV with the COW already populated.
>
> > I don't think such a utility exists.
>
> lvconvert -s does this, regardless of what the man page might lead you
> to believe!
>
> Alasdair
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
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prev parent reply other threads:[~2010-07-12 21:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-09 23:47 [linux-lvm] efficiently copying snapshot data Michael Closson
2010-07-10 0:38 ` Ray Morris
2010-07-10 1:01 ` Stuart D. Gathman
2010-07-10 1:14 ` Ray Morris
2010-07-10 15:50 ` Alasdair G Kergon
2010-07-12 21:25 ` Michael Closson [this message]
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