From: Alasdair G Kergon <agk@redhat.com>
To: Greg Stark <stark@mit.edu>
Cc: device-mapper development <dm-devel@redhat.com>
Subject: Re: How to force a snapshot status to valid when I know very well it's valid?
Date: Fri, 21 Dec 2012 23:13:11 +0000 [thread overview]
Message-ID: <20121221231311.GD14851@agk-dp.fab.redhat.com> (raw)
In-Reply-To: <CAM-w4HPxTMGQd76C_Dqt56vQ1WFA7KrG4o3fbQWU1x5y=XHm5Q@mail.gmail.com>
On Fri, Dec 21, 2012 at 10:54:21PM +0000, Greg Stark wrote:
> took about 30 minutes. I don't know why or what happened there. But it
Big snapshots take a long time to load - the whole cow area has to be
scanned to generate the list of blocks represented on it.
(Large thin snapshots don't have this shortcoming.)
Alasdair
next prev parent reply other threads:[~2012-12-21 23:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-21 18:31 How to force a snapshot status to valid when I know very well it's valid? Greg Stark
2012-12-21 18:46 ` Frederick Grose
2012-12-21 22:54 ` Greg Stark
2012-12-21 23:13 ` Alasdair G Kergon [this message]
2012-12-21 23:35 ` Greg Stark
2013-01-02 17:23 ` Alasdair G Kergon
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