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[libvirt-users] RAID1 over IP?




I asksed about this in November last year but got on response. Anyone have any ideas now?

Does anyone here have any experience with using KVM/libvirt with RAID1 over IP/DRBD or other HA solution?

I'm trying to figure out the hardware configuration I would need to be able to survive a failure or planned shutdown of any one unit in a virtualization cluster.

KVM/libvirt makes moving running VM's from one host to another a no brainer, but I'm trying to figure out the right way to be able to take a the storage backend for maintenance without disrupting the VMs.

Right now I'm thinking something like KVM + libvirt + heartbeat/corosync + pacemaker + DBRM on Ubuntu 10.04 with 3 or 4 nodes - 2 hosts, 2 storage, or 1 host, 1 host + storage, 1 storage.

Any thoughts?

Thanks!



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