Re: [linux-lvm] vgscan errors with 1.0.3

["Heinz J . Mauelshagen" <mauelshagen@sistina.com>]

http://www.progsoc.org/~wildfire/lvm/
Access to the requested resource is denied. 

Please tell us, when it is accessable.

Regards,
Heinz    -- The LVM Guy --


On Wed, Mar 06, 2002 at 06:23:55AM +1100, Anand Kumria wrote:
> 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
> 
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> read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***

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Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen@Sistina.com                           +49 2626 141200
                                                       FAX 924446
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