[libvirt] [PATCH] add the check whether the domain has already used a disk which attach
Daniel P. Berrange
berrange at redhat.com
Wed Nov 5 10:54:02 UTC 2008
On Wed, Nov 05, 2008 at 10:05:14AM +0900, S.Sakamoto wrote:
> Hi,
>
> "attach-disk" does not give an error,
> when the domain which is attached has already used the source which attach.
> This has danger of the data corruption.
>
> I make the patch to add the check of this.
> This patch outputs an error,
> when the domain which is attached has already used the source which attach.
What hypervisor were you testing with ? AFAIR, XenD should already raise
an appropriate error in this scenario.
The libvirt QEMU driver, however, does need this checking. That should really
be done in the qemu_driver.c attach method.
Regards,
Daniel
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