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Xen Cluster Management With Ganeti On Debian Lenny

Mar 06, 2009, 04:34 (0 Talkback[s])
(Other stories by Falko Timme)

[ Thanks to Falko Timme for this link. ]

"The cluster I'm going to create will be named, and it will have the IP address The cluster IP will always be bound to the cluster master, so even if you don't know which node is the master, you can use the cluster IP (or the hostname to connect to the master using SSH.

"The Xen virtual machine (called an instance in Ganeti speak) will be named with the IP address will be mirrored between the two physical nodes using DRBD - you can see this as a kind of network RAID1.

"As you see, will be the cluster master, i.e. the machine from which you can control and manage the cluster, and will be the primary node of, i.e. will run on (with all changes on mirrored back to with DRBD) until you fail it over to (if you want to take down for maintenance, for example). This is an active-passive configuration."

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