Hi there, I recently add a metadevice to my existing LVM setup. Basically I copied the data (use tar) from one LV to another and removed the original LV (and associated PV). A few reboots later (where things were working) and I decided to do an lvrename. Upon rebooting vgscan complains that it "can't get data of volume group 'caliban' from physical volumes". This is somewhat disturbing. I have checked the archives and have also attached an lvmdiskscan and confirmed I have some free space in / (only 2.4M, but still). I would have attached the output from 'pvdata -a /dev/md0' and 'vgscan -d -d' however they are large files, instead I've made it available at <URL: http://www.progsoc.org/~wildfire/lvm/> along with my other files. I am using Linux 2.4.16 and LVM tools 1.0.3 (all the work was done using this version of the tools). Here is some of the output: Script started on Wed Mar 6 05:31:49 2002 (none):~# cat /proc/sys/kernel/tainted 0 (none):~# uname -a Linux (none) 2.4.16 #4 SMP Tue Feb 26 00:15:49 EST 2002 i686 unknown (none):~# pvscan --version pvscan: Logical Volume Manager 1.0.3 Heinz Mauelshagen, Sistina Software 19/02/2002 (IOP 10) (none):~# pvscan pvscan -- reading all physical volumes (this may take a while...) pvscan -- inactive PV "/dev/md0" is associated to unknown VG "caliban" (run vgscan) pvscan -- WARNING: physical volume "/dev/hdg" belongs to a meta device pvscan -- WARNING: physical volume "/dev/hde" belongs to a meta device pvscan -- total: 3 [111.80 GB] / in use: 3 [111.80 GB] / in no VG: 0 [0] (none):~# vgscan --version vgscan: unrecognized option `--version' Logical Volume Manager 1.0.3 Heinz Mauelshagen, Sistina Software 19/02/2002 (IOP 10) vgscan -- scan for available volume groups for use by LVM vgscan [-d|--debug] [-f/--force_numbers] [-h/--help] [-r/--remove_snapshots [VgNameToRemoveSnapshotsFrom]] [-v/--verbose] (none):~# vgscan vgscan -- reading all physical volumes (this may take a while...) vgscan -- ERROR "vg_read_with_pv_and_lv(): current PV" can't get data of volume group "caliban" from physical volume(s) vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created vgscan -- WARNING: This program does not do a VGDA backup of your volume group (none):~# pvdisplay /dev/md0 --- Physical volume --- PV Name /dev/md0 VG Name caliban PV Size 111.80 GB [234462464 secs] / NOT usable 3.62 MB [LVM: 232 KB] PV# 4 PV Status available Allocatable yes Cur LV 2 PE Size (KByte) 4096 Total PE 28620 Free PE 9576 Allocated PE 19044 PV UUID Wmmzbe-bxjy-auNC-ViiX-mQfW-4srb-Y3kMFy (none):~# lvmdiskscan lvmdiskscan -- reading all disks / partitions (this may take a while...) lvmdiskscan -- /dev/md0 [ 111.80 GB] free meta device lvmdiskscan -- /dev/hdg [ 55.90 GB] free whole disk lvmdiskscan -- /dev/hde [ 55.90 GB] free whole disk lvmdiskscan -- /dev/hdf [ 55.90 GB] free whole disk lvmdiskscan -- /dev/hda1 [ 1.91 GB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/hda2 [ 122.06 MB] Primary [0x82] lvmdiskscan -- /dev/hda3 [ 5.72 GB] Primary LINUX native partition [0x83] lvmdiskscan -- /dev/hda4 [ 4.38 GB] Primary LINUX native partition [0x83] lvmdiskscan -- 4 disks lvmdiskscan -- 3 whole disks lvmdiskscan -- 0 loop devices lvmdiskscan -- 1 multiple device lvmdiskscan -- 0 network block devices lvmdiskscan -- 4 partitions lvmdiskscan -- 0 LVM physical volume partitions (none):~# exit Script done on Wed Mar 6 05:32:39 2002 What concerns me about this output is that it thinks that /dev/md0 is *free* whereas pvdisplay knows it is not. If you have any suggestions, please let me know. Thanks, Anand -- `` We are shaped by our thoughts, we become what we think. When the mind is pure, joy follows like a shadow that never leaves. '' -- Buddha, The Dhammapada _______________________________________________ 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