Re: [Xen-users] Block level domU backup

[John Madden <jmadden@xxxxxxxxxxx>]

On Wednesday 29 October 2008 12:13:27 am Luke S Crawford wrote:
> the idea is that 'xm save' saves your ram, including any write-back
> disk cash that has not been flushed.  So if I do a 'xm save' and save the
> savefile, and take a bit-for-bit copy of the backing device while the
> domain is still frozen, I should be able to restore the bit-for-bit copy
> of the backing device at some point in the future, and then 'xm restore'
> the savefile I saved, and end up exactly where I was, with no
> inconsistancies or corruptions, as all disk writes that had not been
> flushed to disk are still in ram.

Yes, saving the domain and backing up the saved instance will work.  Pausing 
will not. 

John




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

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