From: Max Reitz <mreitz@redhat.com>
To: Changlimin <changlimin@h3c.com>, Fam Zheng <famz@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Qemu-block <qemu-block@nongnu.org>
Subject: Re: [Qemu-devel] Block format 'raw' does not support the option 'locking' when disable image locking with option locking=off
Date: Thu, 26 Oct 2017 09:32:50 +0200 [thread overview]
Message-ID: <c9c95933-c70c-f16c-dd70-9b66aede987a@redhat.com> (raw)
In-Reply-To: <BC29A004BA570342A4CC0044A3845572CFCE5D44@H3CMLB12-EX.srv.huawei-3com.com>
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On 2017-10-26 09:18, Changlimin wrote:
> If the qcow2 file is created with preallocation=full, I think metadata will not corrupt when it is shared between two vms? Snapshot is not required.
>
> Is this right?
I wouldn't count on it.
If you really want to take the risk, you can probably use the
file.locking=off option again.
Max
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next prev parent reply other threads:[~2017-10-26 7:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-25 8:15 [Qemu-devel] Block format 'raw' does not support the option 'locking' when disable image locking with option locking=off Changlimin
2017-10-25 13:31 ` Fam Zheng
2017-10-26 1:06 ` Changlimin
2017-10-26 7:11 ` Max Reitz
2017-10-26 7:18 ` Changlimin
2017-10-26 7:32 ` Max Reitz [this message]
2017-10-27 1:28 ` Changlimin
2017-10-31 20:00 ` John Snow
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