[linux-lvm] Moving a PV to a new, larger, disk.

Spam spam at tnonline.net
Wed Jan 14 10:09:02 UTC 2004

> On Tue, Jan 13, 2004 at 03:45:54PM +0100, Spam wrote:
>>   Hello,
>>   Is it possible to use dd/dd_rescue to simply copy a PV to a new disk
>>   that is slightly (16MiB)larger?
>>   The old pv is on /dev/hdb1 and the new disk is /dev/hdc and is
>>   unpartitioned so far. How would I proceed to make this work?

> Following procedure to make it happen:

> o partition the new disk with 1 partition of _exactly_
>   the same size (in units of sectors) as /dev/hdb1

> o dd(_rescue) content over
> o remove the old disk
> o vgscan
> o vgchange -ay

  Great! Thank you. Now I know who to blame if things does not work ;)


>>   This might seem odd to do as I could perhaps use pvmove, but pvmove
>>   requires the whole vg to be present in the system, right?
>>   //Anders

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