On Wed, Jan 5, 2011 at 12:45 PM, Digimer <[email protected]> wrote:
On 01/05/2011 09:14 AM, Lentes, Bernd wrote:
> Is it possible to synchronize such logical volumes (no
filesystem and not mounted) with DRBD ? What do you think about my setup ?
<snip>
Also, be aware that you should run the VMs only on nodes that
are
UpToDate. If the node's DRBD resource is still sync'ing and the
UpToDate
disk goes away, the Syncing resource will go Secondary and your
VMs will
crash. You can always live-migrate the VMs back once the sync
is complete.
You'll want to run DRBD in active-active (aka dual primary) mode for
Live Migration capability.
I want to run my DRBD-devices on logical volumes, because they are easy to
resize. Assume that i have two nodes with one kvm in each case. The KVM is
being installed in a a plain LV, without filesystem and without being mounted.
The lv's are synchronised with DRBD. Do i need clvm or lvm ?
Bernd
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