xen-users
Re: [Xen-users] can I clone a runiung domU?
I'd like to know if it's possible to clone a running domU.
The LVM image is 30GB. I can't really afford to have the
running one off line that long, so if possible I'd like todo it while
it's running.
dd almost certainly won't give you a usable filesystem in your copy.
Using LVM you should be able to make a snapshot of the filesystem which
should be at least as consistent (integrity wise) as if you'd done an
'xm destroy' on the domain.
A neat way to do that is if you use zfs-backed storage, either directly
(using Sun's xVM) or having solaris export the volume over iscsi to
linux box. The "clone" process for zfs is two simple commands : "zfs
snanpshot" and "zfs clone", which is almost instaneous.
Regards,
Fajar
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