This is an automated cleanup. This bug report has been closed because it
is older than 18 months and there is no open code change to fix this.
After this time it is unlikely that the circumstances which lead to
the observed issue can be reproduced.
If you can reproduce the bug, please:
* reopen the bug report (set to status "New")
* AND add the detailed steps to reproduce the issue (if applicable)
* AND leave a comment "CONFIRMED FOR: <RELEASE_NAME>"
Only still supported release names are valid (LIBERTY, MITAKA, OCATA, NEWTON).
Valid example: CONFIRMED FOR: LIBERTY
** Changed in: nova
Importance: Low => Undecided
** Changed in: nova
Status: Confirmed => Expired
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https://bugs.launchpad.net/bugs/1323722
Title:
libvirt Xen have to use "file" disk driver in the case of compute node
doesn't support blktap.
Status in OpenStack Compute (nova):
Expired
Bug description:
There are Xen servers which do not support http://wiki.xen.org/wiki/Blktap
(e.g. Oracle VM Server for x86) but are still operational with simple file
driver. To support those xen servers as compute platform we have to change
method pick_disk_driver_name() in nova/virt/libvirt/utils.py to return "file"
in the case hypervisor is Xen and Blktap is not operational.
The side effect is: file driver does not support "qcow2" disk format. So we
also have to force 'use_cow_images' config to False for those compute nodes.
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