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Description of problem:
To allow using blockdev-add for external snapshots (blockdev-snapshot) or blockdev mirror it's necessary to create qcow2 or other formats. Currently it would require a call to qemu-img which is not really a good idea for libvirt since it's hard to manage qemu-img or figure out whether it supports a given format (due to lacking introspection).
The formatting should be an asynchronous block job since it may take a long time if storage is blocked.
Comment 20Miroslav Rezanina
2018-07-01 03:09:09 UTC
(In reply to Qunfang Zhang from comment #29)
> Hello, Xianxian
>
> Please help test this bug on Power. Thanks!
I have test these two cases of comment28, they work well on powerpc
Host:
3.10.0-915.el7.ppc64le
qemu-kvm-rhev-2.12.0-7.el7.ppc64le
SLOF-20171214-2.gitfa98132.el7.noarch
Guest:
3.10.0-919.el7.ppc64
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2018:3443