Re: [Xen-users] Backup running Windows machines - redundancy

[Bart Coninckx <bart.coninckx@xxxxxxxxxx>]

No way. Rdiff will not take care of things like what you need to boot
Windows. You need dd or another imaging tool there. If you use Xen
devices on image files you can obviously easily copy them. If you use
block devices or LVM, you're back to dd or something else.


On 02/11/11 00:01, Paul Piscuc wrote:
> Hi,
> 
> I'll be testing the method also, for different Windows versions, with
> and without memory state backed up. One more question thought ... what
> are the performance and latency aspects of doing a xm save on a Windows
> machine? Does is save only the memory state, or other information
> regarding the state of the machine?
> 
> And one more thing we can test. What about restoring a rdiff backup(+MBR
> backup) to a fresh lvm disk ... maybe it will boot in blue screen, but
> it might work.
> 
> On 02/11/2011 12:36 AM, James Harper wrote:
>>> Hi Mike,
>>>
>>> agreed. For situations however where data files that are typically
>>> opened with user applications like Word, Excel and other, I think it
>>> might be safe to just snapshot the underlying LVM while the Windows DomU
>>> is running and the users are not accessing the files (typically at
>>> night), mount this and copy from it. I'm actually testing this now. If
>>> there's interest I will post my findings.
>>>
>>> B.
>> The Citrix Windows PV drivers include a VSS provider that (I think)
>> allows you to ensure that your snapshot is consistent at both a
>> filesystem and application level. I've thought about this for GPLPV
>> but have never actually done anything about it.
>>
>> James
> 
> 

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