From: Kevin Wolf <kwolf@redhat.com>
To: leijian <leijian@sangfor.com.cn>
Cc: qemu-devel <qemu-devel@nongnu.org>, stefanha <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [Snapshot Bug?]Qcow2 meta data corruption
Date: Tue, 7 Apr 2015 11:33:12 +0200 [thread overview]
Message-ID: <20150407093312.GF4635@noname.str.redhat.com> (raw)
In-Reply-To: <201504031804076871637@sangfor.com.cn>
Am 03.04.2015 um 12:04 hat leijian geschrieben:
> Hi all,
>
> There was a problem about qcow2 image file happened in my serval vms and I could not figure it out,
> so have to ask for some help.
> [...]
> I think the problem is relate to the snapshot create, delete. But I cant reproduce it .
> Can Anyone give a hint about how this happen?
How did you create/delete your snapshots?
More specifically, did you take care to never access your image from
more than one process (except if both are read-only)? It happens
occasionally that people use 'qemu-img snapshot' while the VM is
running. This is wrong and can corrupt the image.
Kevin
next prev parent reply other threads:[~2015-04-07 9:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-03 10:04 [Qemu-devel] [Snapshot Bug?]Qcow2 meta data corruption leijian
2015-04-07 9:33 ` Kevin Wolf [this message]
2015-04-07 15:27 ` Eric Blake
2015-04-08 1:31 ` leijian
-- strict thread matches above, loose matches on Subject: below --
2015-04-03 9:22 leijian
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