Libvirt will make this "easier" to be avoided by
commit 28907b0043fbf71085a798372ab9c816ba043b93
Author: Peter Krempa <pkre...@redhat.com>
Date: Wed Nov 15 15:21:14 2017 +0100
qemu: command: Mark <shared/> disks as such in qemu
Qemu has now an internal mechanism for locking images to fix specific
cases of disk corruption. This requires libvirt to mark the image as
shared so that qemu lifts certain restrictions.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1378242
commit 860a3c4bea1d24773d8a495f213d5de3ac48a462
Author: Peter Krempa <pkre...@redhat.com>
Date: Wed Nov 15 15:02:58 2017 +0100
qemu: caps: Add capability for 'share-rw' disk option
'share-rw' for the disk device configures qemu to allow concurrent
access to the backing storage.
The capability is checked in various supported disk frontend buses since
it does not make sense to partially backport it.
Once this is complete in bionic by taking the new upstream I'll take a
look at how backportable that is (changes look ok, but might need some
testing in the SRU spirit of things).
** Also affects: qemu (Ubuntu Artful)
Importance: Undecided
Status: New
** Also affects: libvirt (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: libvirt (Ubuntu Artful)
Status: New => Triaged
** Changed in: libvirt (Ubuntu Artful)
Importance: Undecided => Low
** Bug watch added: Red Hat Bugzilla #1378242
https://bugzilla.redhat.com/show_bug.cgi?id=1378242
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https://bugs.launchpad.net/bugs/1716028
Title:
qemu 2.10 locks images with no feature flag
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