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[Qemu-devel] [Bug 1819343] Re: Qcow2 image stuck as locked after host cr
From: |
Tim Schuster |
Subject: |
[Qemu-devel] [Bug 1819343] Re: Qcow2 image stuck as locked after host crash |
Date: |
Mon, 18 Mar 2019 21:29:32 -0000 |
Yes, it would be v3, I'll use v4 then, thanks!
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https://bugs.launchpad.net/bugs/1819343
Title:
Qcow2 image stuck as locked after host crash
Status in QEMU:
New
Bug description:
After a host crash, the qcow2 image of the VM, stored on a remote NFS
share, has become inaccessible. Libvirt/QEMU reports that 'failed to
get "write" lock\nIs another process using the image
[/path/nfs/image.qcow2]?'. No process is accessing the image from
either host or the network share side. There is no obvious way in
qemu-img to force unlocking the file or repair the image (attempting a
qemu-img check with -r all results in qemu-img complaining about the
lock and being unable to do force-share=on on anything but readonly
images).
I'm currently attempting to fix this by converting the image via
'qemu-img convert -U -f qcow2 -O qcow2 image.qcow2 image_2.gcow2',
though this will likely take some time.
Using QEMU 3.1.0
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