Re: [Xen-users] want to recover data from dom-U in a failed raid array

[Peter <peter@xxxxxxxxxxxxxxxx>]

On 04/02/2015 10:00 PM, Ian Campbell wrote:
> On Thu, 2015-04-02 at 07:02 +0200, Jiri 'Ghormoon' Novak wrote:
>> Hi,
>> if pvm, likely you just can mount it.
>> if hvm, likely it has it's own MBR. either copy it out and run as domU 
>> or loopmout it with offset (first partition will likely be at 1MB, if 
>> there were more partitions you'll have to check where they start). I do 
>> this when I want to boot domU directly on the metal :)
> 
> kpartx is a useful tool for loopback mounting raw images which have a
> partition table in them, it'll create device mapper nodes for each
> partition.

x[ml] block-attach can do it as well, eg:
xl block-attach 0 /dev/vg0/foo /dev/xvdc r


Peter

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