Jan, you didn't overlook something. There's a bug in the pvcreate -yff -u wZQg66-cWrF-VDi5-GcRN-aYVg-RQQ3-PPm5K5 /dev/md0 vgcfgrestore myraid trick we'll fix ASAP (vgcfgrestore should keep the new size which it doesn't). We're thinking about a pvresize command to make this smoother. Regards, Heinz -- The LVM Guy -- On Tue, Jul 08, 2003 at 11:59:32AM +0200, Jan Dittmer wrote: > Hi, > > I posted this a while ago on lvm-devel, but received no answer. > I'm using kernel 2.5(.74-mm2) with LVM2 and have a RAID5 to which I > added a new disk with raidreconf. This worked fine, but lvm doesn't > recognize the extra disk space: > > # pvdisplay > --- Physical volume --- > PV Name /dev/md0 > VG Name myraid > PV Size 335.36 GB / not usable 0 > Allocatable yes (but full) > PE Size (KByte) 4096 > Total PE 85853 > Free PE 0 > Allocated PE 85853 > PV UUID wZQg66-cWrF-VDi5-GcRN-aYVg-RQQ3-PPm5K5 > > but: > > # cat /proc/mdstat > Personalities : [linear] [raid0] [raid1] [raid5] [multipath] > > md0 : active raid5 hdc1[4] hdh1[3] hdf1[2] hdg1[1] hde1[0] > 468872704 blocks level 5, 4k chunk, algorithm 2 [5/5] [UUUUU] > > which translates to ~480 GB (5x 120GB) > > Somewhere I found a post, that with vgcfgbackup / vgcfgrestore one is > able to resize the volume. But simply backing up and restoring the > descriptor just gets me to the same situation. > As I've another partition (which isn't that important) I tried to change > the backup manually, ie. I changed pe_count in the backup file and > restored it. This works fine - but how do I figure the correct PE count > for this bigger disk? I just don't want to poke around until it says, > 'hey, too big, trashing your data'. There has to be a simple way, I > guess, which I totally overlook. It isn't that big of a change. > pvresize tells me it isn't implemented. > > Thanks for any insight, > > Jan > > # vgdisplay --version > LVM version: 1.95.15 (2003-01-10) > Library version: 0.96.08-ioctl (2003-03-27) > Driver version: 1.0.6 > > -- > Linux rubicon 2.5.74-mm2-jd4 #1 SMP Sun Jul 6 09:55:20 CEST 2003 i686 > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
