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Re: [libvirt-users] RAID1 over IP?





That makes a lot of sense... I don't know that I really needed the full suite, as I don't think I'm aiming for that level of HA for the hosted systems.

I'll look into it. Can you provide me any better links than what a google search would provide?

Thanks!

David.

On Tue, 19 Jul 2011, Emmanuel Noobadmin wrote:

On 7/19/11, David Ehle <ehle agni phys iit edu> wrote:
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.

Personally, I had been planning to do it with mdadm multi-path & RAID
1 over iSCSI. Seems to be a more straightforward solution than using a
full HA setup if the purpose is to ensure storage remains available
when a node is down (for maintenance or otherwise).



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