[Users] 2 node cluster with local storage?

russell muetzelfeldt russm-ovirt-org at cyber.com.au
Mon Apr 1 09:33:02 UTC 2013


Hi All,

Is there any supported way (or advice on the best unsupported way) to provision a 2-node cluster using local storage?

I've deployed RHEV 3.0 against both NFS and FC storage, and would like to bring up a 2 node oVirt 3.2 playground. I don't have access to a real storage server for this setup, but the hypervisor nodes have several spindles of 15K RPM SAS drives each so I'm assuming I can use DRBD and bond some 1GBPS ether links to provide a shared block device with adequate performance.

Ideally I'd like to use the regular CLVM storage pool but on local DRBD instead of FC, but I don't see any way to make oVirt use a volume group that it didn't create itself. Another possibility would be POSIX FS on GFS2 which looks like it should be supported but (afaict) would require doubling up on the cluster management layer.

Is there any way (even if not "production ready") to have a storage pool use a clvm vg that has been created outside of oVirt? Has anyone used the POSIX FS pool type against GFS2? Any other suggestions about how to put this together?


cheers

Russell




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