Re: [Xen-users] Block level domU backup

[John Madden <jmadden@xxxxxxxxxxx>]

On Tuesday 28 October 2008 04:04:39 pm Agent Rooker wrote:
> But if someone could make clear the dangers and pitfalls associated
> with this plan, that would be very helpful.

Yeah, pausing a domain does nothing to its disks from the domU's OS's point of 
view.  A pause freezes everything in memory, but commits nothing that's in 
domU's filesystem buffers and whatnot to disk -- the whole point is to not 
disrupt the OS.  If you block-level back up a paused domain, the restored 
filesystem will be corrupted.  Given your existing backup from within the 
domU, I don't believe you're gaining anything here.

John




-- 
John Madden
Sr. UNIX Systems Engineer
Ivy Tech Community College of Indiana
jmadden@xxxxxxxxxxx

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