Xen FAQ High Availability

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High Availability Questions

Services

What software exists for Xen to handle high availability?

A (HA1.0): Here are several tools that currently exist:

How do snapshots work on Xen?

I'm not sure about how snapshots works on Xen. For example, if I snapshot a DomU with 10GB HD will take, for example, 30 seconds. But, if I snapshot a DomU with a 100GB HD will take longer (I guess).

So, I wanna know how the snapshot works on xen. What if I want to move a snapshotted with a 100GB HD from a Dom0 to another Dom0? I've to move a 100GB file?

You could try this approach:

http://www.infohit.net/blog/post/using-lvm2-snapshots-to-provide-rollback-functionality-for-xen.html

Makes snapshots quite quick.