On Wed, 12 Sep 2007, Turbo Fredriksson wrote:
> I made a little mistake a few months ago
> when I added a disk to my VG:
>
> ----- s n i p -----
> ----- s n i p -----
>
> What id like to do is move all data from sdd1
> (372Gb) to the new md3 (just added - empty 465Gb)
> and then remove sdd1 and create it as md1 and
> move the data back.
Use pvmove. You should provide kernel and lvm versions to see
if any experts here know of bugs or caveats.
> But I'm afraid of holes in the FS (XFS)...
Moving one LV at a time should keep the PEs contiguous.
I think that is what you are talking about. XFS should work
with non-contiguous PEs, but will lose performance since
it is optimized for contiguous extents.
> Any advice in which procedure I should use
> to accomplish this?
pvmove one LV at a time.
--
Stuart D. Gathman <stuart@bmsi.com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.
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