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Re: [linux-lvm] Problem extending a LV



On Tue, May 29, 2001 at 11:33:54AM +0200, Carsten Balzer wrote:
> If I try to extend the LV with:
> lvextend -L+78164M /dev/NVolGroup/nVol
> then I get:
> lvextend -- rounding size 240119808 KB to stripe boundary size 240123904
> KB
> lvextend -- only 19541 free physical extents in volume group "NVolGroup"
> 
> Next try with: lvextend -l+19541 /dev/NVolGroup/nVol
> lvextend -- rounding size 240119808 KB to stripe boundary size 240123904
> KB
> lvextend -- only 19541 free physical extents in volume group "NVolGroup"

You cannot currently extend a striped LV onto a new disk.  It would involve
completely rearranging the data to account for the new striping
configuration.  The reason you get the error is because the tools know this
and are trying to extend on the two original PVs.  If you want to have the
ability to extend the LV onto new disks, you must use linear LVs.

Regards,
-- 
AJ Lewis
Sistina Software Inc.                  Voice:  612-638-0500
1313 5th St SE, Suite 111              Fax:    612-638-0500
Minneapolis, MN 55414                  E-Mail: lewis sistina com
http://www.sistina.com

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