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xen-users
Re: [Xen-users] Distributed xen or cluster?
Nick,
Is your SAN an Active-Active or Active-Passive SAN? I'm looking to set something up like what you're doing, but my SAN only supports Active-Passive. We originally looked at Win2K8 with Hyper-V but fortunately that requires a SAN that supports Active-Active configuration. I'm using SLES 10 SP2 for dom0, and will be running SLES 10 SP2 domU's as well. I am running Xen 3.2.
On Tue, Jan 20, 2009 at 7:21 AM, Nick Couchman <Nick.Couchman@xxxxxxxxx> wrote:
I use SLES10 SP2 for my dom0, which has a few tools that make this possible:
- EVMS + Heartbeat for shared block devices
- OCFS2 for a clustered filesystem
- Heartbeat for maintaining availability.
I have a volume shared out from my SAN that's managed with EVMS on each of my Xen servers. I created an OCFS2 filesystem on this volume and have it mounted on all of them. This way I do file-based disks for all of my domUs and they are all visible to each of my hosts. I can migrate the domUs from host to host. I'm in the process of getting Heartbeat setup to manage my domUs - Heartbeat can be configured to migrate VMs or restart them if one of the hosts fails.
It isn't a "single-click" solution - it takes a little work to get everything running, but it does work.
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