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xen-users
Re: [Xen-users] Xen Backup Method
| Hi Umut,
I cron a script running once every early morning that does;
1 - pause the domUs * optional, but state will be accurate if paused. 2 - create/recreate a snapshot of the volume where my dom0/domUs live. 3 - mount a separate drive and dump/restore the snapshot onto a separate drive. 4 - unmount the drive. 5 - send mail when all is done.
On Apr 7, 2009, at 2:01 PM, Umut Arus wrote: Hello, I want to properly backup on virtual servers. Has anyone tried lvm backup with scripts or scheduled commands everyday? Could you shared with me? And should be guests and Dom0 shutoff state before snapshot? Another one, which directories should backup other than /var/lib/xen/images? thanks, Javier Guerra wrote: On Tue, Apr 7, 2009 at 1:46 PM, Kevin Fox <Kevin.Fox@xxxxxxx> wrote:
Has anyone tried using 2.6.29 file system freezing with lvm snapshotting
yet? That should solve the possible corrupt filesystem problem.
sounds promising. but:
1: its done from 'inside' the VM, so it might allow better network
backup systems but not replace them.
2: it does nothing about complex applications with their own caches
and file structures: IOW, databases. if you get an 'in VM' snapshot
capability, you still have to flush caches and suspend operations for
the snapshot.
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