Hi,
Just wanted to ask if anyone has had experience in migrating OVM 3.2.9 storage between FC arrays? We have a very small setup - 2 servers/12 vms/Single Server Pool and are migrating EMC to EMC using the method detailed in doc ID 1919855.1 and whitepaper "Oracle VM 3: Change the Server Pool File System & Repositories (SAN)". Basically destroy the server pool and delete the disks and then recreate.
This procedure seems straightforward enough however in testing I've presented and un-presented luns to the servers and both OVM manager and the servers seem to get into a right mess.. for example one server will 'see' the luns, the other doesn't and after un-presenting luns one server continues to see non-existent luns etc. I have restarted the ovmm service and that didn't seem to help. I've run rescan-scsi and that didn't make a difference - for some reason a multi-path flush (multipath -F) helped a little (ie after another rescan 2 out of 3 'phantom' luns had disappeared). I'm not able to reboot the servers since they are locked in this state and cannot migrate the vms etc.
I'm concerned the lun discovery mechanism (for fc anyway) is not quite up to prime time... I have an SR in, just wondered about the experience of others
Thanks.