On Thu, Sep 11, 2014 at 02:45:41PM +1000, Blair Bethwaite wrote:
Hi Michael!
On 11 September 2014 14:13, Michael Chapman m...@very.puzzling.org wrote:
Why is RBD is handled specially in this function? The current logic is that
an RBD-backed disk is safe to be migrated even if it's got
On Thu, 11 Sep 2014, Blair Bethwaite wrote:
A related problem arises mixing RBD and local disks when
drive-mirroring / block-migrating - the RBDs get migrated too, volume
round trips out of ceph - into source hypervisor - into dest
hypervisor - back into ceph. Not great!
This patch fixes that
Hello,
I am trying to understand libvirt's logic for checking whether migration
of a VM is safe, and how it determines which disks should be mirrored by
QEMU. My particular use case involves VMs that may have disks backed onto
LVM or onto Ceph RBD, or both.
As far as I can tell, the
Hi Michael!
On 11 September 2014 14:13, Michael Chapman m...@very.puzzling.org wrote:
Why is RBD is handled specially in this function? The current logic is that
an RBD-backed disk is safe to be migrated even if it's got caching enabled,
but I'm not sure how RBD is different from other