On Feb 26, 2002 14:50 +0100, Müßig-Trapp, Peter wrote: > My plan is, to remove a partition (/dev/hda4) from lv and use > it seperatly (mount it on /usr). > > I tried pvmove and get errors: > > root@icezentral:/home/muessig > pvmove /dev/hda4 /dev/hdb1 > pvmove -- moving physical extents in active volume group "daten" > pvmove -- WARNING: if you lose power during the move you may need to > restore your LVM metadata from backup! > pvmove -- do you want to continue? [y/n] y > pvmove -- not enough free/allocatable physical extents > > Than I used pvscan to check pv and see, there are no extends > allocatable (on each partition 0 free). How is that possible? > df tells me, there enough space available. > > root@icezentral:/home/muessig > pvscan > pvscan -- reading all physical volumes (this may take a while...) > pvscan -- ACTIVE PV "/dev/sda1" of VG "daten" [8.51 GB / 0 free] > pvscan -- ACTIVE PV "/dev/sdb1" of VG "daten" [8.51 GB / 0 free] > pvscan -- ACTIVE PV "/dev/sdc1" of VG "daten" [4.25 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hda4" of VG "daten" [5.05 GB / 0 free] > pvscan -- ACTIVE PV "/dev/hdb1" of VG "daten" [57.27 GB / 0 free] > pvscan -- total: 5 [83.59 GB] / in use: 5 [83.59 GB] / in no VG: 0 [0] This is correct, you have no PEs free on hdb1. > root@icezentral:/home/muessig > df -h > Filesystem Size Used Avail Use% Mounted on > /dev/hda3 2.5G 2.2G 163M 94% / > /dev/hda1 15M 3.3M 11M 23% /boot > /dev/daten/1 84G 22G 61G 27% /daten The 'df' command is telling you how much free space is in the filesystem. Obviously you have a lot of free space in the _filesystem_ because you have allocated all of your PEs to it. What you need to do is reduce the size of your /daten filesystem (it needs to be unmounted to do this) and also reduce the size of the daten/1 LV by at least 5.1 GB. If you have ext2/ext3 filesystems on daten/1 I would recommend using e2fsadm to do this. Once you have done this, then the pvmove should work. Note that depending on where the PEs from the end of the daten/1 LV are, you may have to just use "pvmove /dev/hda4" so that it moves the PEs from hda4 to the first available free PE. Cheers, Andreas -- Andreas Dilger http://sourceforge.net/projects/ext2resize/ http://www-mddsp.enel.ucalgary.ca/People/adilger/ _______________________________________________ linux-lvm mailing list linux-lvm@sistina.com http://lists.sistina.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html
