[Gluster-users] Shared VM disk/image on gluster for redundancy?

[Emmanuel Noobadmin]

I've been trying to find a solution to achieve the following
objective: minimum delay redundant network storage for virtualized
server and think gluster might be what I need after throwing out
options like Lustre, dmraid on Openfiler etc.

The configuration in mind is currently this.

Application Servers
-> Runs a few VM guest OS
-> Runs gluster client/server
-> VM machine images then stored on mirrored gluster volumes.

There will be two storage servers with physical RAID.

The concept is that
1. physical RAID 1 catches single disk failure on the storage server
2. gluster mirror on the application server catches single machine
failure of the storage servers
3. Avoids any problems caused by a heartbeat/failover delay.
4. If an application server die, the VM images are still on the
gluster volumes, I can simply distribute the downed VMs to the other
running application server by loading the images.

Would this work or am I missing something?