On 03/16/2010 05:45 AM, Daniel P. Berrange wrote:
On Tue, Mar 16, 2010 at 12:38:02PM +0200, Avi Kivity wrote:
On 03/16/2010 12:31 PM, Daniel P. Berrange wrote:
Polling loops are an indication that something is wrong.
Except when people suggest they are the right answer, qcow high
watermark ;-P
I liked Anthony's suggestion of an lvm2 block format driver. No polling.
Doesn't that require giving QEMU privileges to perform LVM operations which
implies QEMU having CAP_SYS_ADMIN ?
If QEMU is able to resize an LVM partition, it needs to carry privileges.
I'm not sure how this can be done safely in a lesser privileged
environment. Presumably, you're over committing storage and there's not
much you can do if the guests exhaust their storage all at once.
Regards,
Anthony Liguori
Daniel
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