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RE: [linux-lvm] LVM VG keeps disappearing



Here's the documentation you suggested.  I tried to use -d or --debug on
the vgscan command, and got a usage error.

The LVM version I'm running is 1.0.8.

bash-2.05b# fdasd -p /dev/dasda

 

WARNING: Your DASD '/dev/dasda' is in use.

         If you proceed, you can heavily damage your system.

         If possible exit all applications using this disk

         and/or unmount it.

 

reading volume label: VOL1

reading vtoc        : ok

 

 

Disk /dev/dasda:

    3338 cylinders,

      15 tracks per cylinder,

      12 blocks per track

    4096 bytes  per block

volume label: VOL1, volume identifier: 0X0200

maximum partition number: 3

 

 ------------------------------- tracks -------------------------------

               Device      start      end   length   Id  System

          /dev/dasda1          2    50069    50068    1  Linux native

exiting...



bash-2.05b# fdasd -p /dev/dasdb

reading volume label: VOL1

reading vtoc        : ok

'56' is not supported!

 

 

Disk /dev/dasdb:

    3338 cylinders,

      15 tracks per cylinder,

      12 blocks per track

    4096 bytes  per block

volume label: VOL1, volume identifier: 0X0201

maximum partition number: 3

 

 ------------------------------- tracks -------------------------------

               Device      start      end   length   Id  System

          /dev/dasdb1          2    50069    50068    1  Linux native

exiting...



bash-2.05b# fdasd -p /dev/dasdc

reading volume label: VOL1

reading vtoc        : ok

'99' is not supported!

 

 

Disk /dev/dasdc:

    3338 cylinders,

      15 tracks per cylinder,

      12 blocks per track

    4096 bytes  per block

volume label: VOL1, volume identifier: 0X0202

maximum partition number: 3

 

 ------------------------------- tracks -------------------------------

               Device      start      end   length   Id  System

          /dev/dasdc1          2    50069    50068    1  Linux native

exiting...



bash-2.05b# fdasd -p /dev/dasdd

reading volume label: VOL1

reading vtoc        : ok

'65' is not supported!

 

 

Disk /dev/dasdd:

    3338 cylinders,

      15 tracks per cylinder,

      12 blocks per track

    4096 bytes  per block

volume label: VOL1, volume identifier: 0X0203

maximum partition number: 3

 

 ------------------------------- tracks -------------------------------

               Device      start      end   length   Id  System

          /dev/dasdd1          2    50069    50068    1  Linux native

exiting...



bash-2.05b# fdasd -p /dev/dasde

reading volume label: VOL1

reading vtoc        : ok

'101' is not supported!

 

 

Disk /dev/dasde:

    3338 cylinders,

      15 tracks per cylinder,

      12 blocks per track

    4096 bytes  per block

volume label: VOL1, volume identifier: 0X0204

maximum partition number: 3

 

 ------------------------------- tracks -------------------------------

               Device      start      end   length   Id  System

          /dev/dasde1          2    50069    50068    1  Linux native

exiting...



bash-2.05b# fdasd -p /dev/dasdg

reading volume label: VOL1

reading vtoc        : ok

'109' is not supported!

 

 

Disk /dev/dasdg:

    3338 cylinders,

      15 tracks per cylinder,

      12 blocks per track

    4096 bytes  per block

volume label: VOL1, volume identifier: 0X0206

maximum partition number: 3

 

 ------------------------------- tracks -------------------------------

               Device      start      end   length   Id  System

          /dev/dasdg1          2    50069    50068    1  Linux native

exiting...



bash-2.05b# fdasd -p /dev/dasdh

 

WARNING: Your DASD '/dev/dasdh' is in use.

         If you proceed, you can heavily damage your system.

         If possible exit all applications using this disk

         and/or unmount it.

 

reading volume label: VOL1

reading vtoc        : ok

 

 

Disk /dev/dasdh:

    3338 cylinders,

      15 tracks per cylinder,

      12 blocks per track

    4096 bytes  per block

volume label: VOL1, volume identifier: 0X0207

maximum partition number: 3

 

 ------------------------------- tracks -------------------------------

               Device      start      end   length   Id  System

          /dev/dasdh1          2    44607    44606    1  Linux native

          /dev/dasdh2      44608    50069     5462    2  Linux swap

exiting...



bash-2.05b# vgscan -vv

vgscan -- v option already given                              
                                                              
                                                              
vgscan                                                        
        [-f/--force_numbers]                                  
        [-h/--help]                                           
        [-r/--remove_snapshots [VgNameToRemoveSnapshotsFrom]] 
        [-v/--verbose]                                        
                                                              

bash-2.05b# vgscan -v

vgscan -- removing "/etc/lvmtab" and "/etc/lvmtab.d"

vgscan -- creating empty "/etc/lvmtab" and "/etc/lvmtab.d"

vgscan -- reading all physical volumes (this may take a while...)

vgscan -- scanning for all active volume group(s) first

vgscan -- reading data of volume group "vg01" from physical volume(s)

vgscan -- ERROR "vg_read_with_pv_and_lv(): current PV" can't get data of
volume 
group "vg01" 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  

 

bash-2.05b# pvscan -vv

pvscan -- reading all physical volumes (this may take a while...)

pvscan -- walking through all physical volumes found

pvscan -- getting data for physical volume "/dev/dasdb1" from kernel

pvscan -- physical volume "/dev/dasdb1" is not active

--- Physical volume ---

PV Name               /dev/dasdb1

VG Name               vg01

PV Size               2.29 GB [4806528 secs] / NOT usable 32.19 MB [LVM:
128 KB]
 

PV#                   1

PV Status             available

Allocatable           yes (but full)

Cur LV                1

PE Size (KByte)       32768

Total PE              72

Free PE               0

Allocated PE          72

PV UUID               8pHTt5-6GR5-eQy3-1vcA-x9zp-nj2E-SmxA4f

System Id             lslack641108617901

 

 

pvscan -- getting data for physical volume "/dev/dasdc1" from kernel

pvscan -- physical volume "/dev/dasdc1" is not active

--- Physical volume ---

PV Name               /dev/dasdc1

VG Name               vg01

PV Size               2.29 GB [4806528 secs] / NOT usable 32.19 MB [LVM:
128 KB]

PV#                   2

PV Status             available

Allocatable           yes (but full)

Cur LV                2

PE Size (KByte)       32768

Total PE              72

Free PE               0

Allocated PE          72

PV UUID               c8dgEm-S7Rf-RZch-whap-7xnY-eF2m-LXZI73

System Id             lslack641108617910

 

 

pvscan -- getting data for physical volume "/dev/dasdd1" from kernel

pvscan -- physical volume "/dev/dasdd1" is not active

--- Physical volume ---

PV Name               /dev/dasdd1

VG Name               vg01

PV Size               2.29 GB [4806528 secs] / NOT usable 32.19 MB [LVM:
128 KB]
 

PV#                   3

PV Status             available

Allocatable           yes (but full)

Cur LV                1

PE Size (KByte)       32768

Total PE              72

Free PE               0

Allocated PE          72

PV UUID               A4z1p1-mQ3I-NYsu-UybS-HPjI-RDig-8tmndr

System Id             lslack641108617917

 

 

pvscan -- getting data for physical volume "/dev/dasde1" from kernel

pvscan -- physical volume "/dev/dasde1" is not active

--- Physical volume ---

PV Name               /dev/dasde1

VG Name               vg01

PV Size               2.29 GB [4806528 secs] / NOT usable 32.19 MB [LVM:
128 KB]
 

PV#                   4

PV Status             available

Allocatable           yes (but full)

Cur LV                2

PE Size (KByte)       32768

Total PE              72

Free PE               0

Allocated PE          72

PV UUID               eq11if-ju5s-dpqz-3s6y-M4Im-CknQ-Da7beM

System Id             lslack641108617924

 

 

pvscan -- getting data for physical volume "/dev/dasdg1" from kernel

pvscan -- physical volume "/dev/dasdg1" is not active

--- Physical volume ---

PV Name               /dev/dasdg1

VG Name               vg01

PV Size               2.29 GB [4806528 secs] / NOT usable 32.19 MB [LVM:
128 KB]
 

PV#                   6

PV Status             available

Allocatable           yes

Cur LV                1

PE Size (KByte)       32768

Total PE              72

Free PE               64

Allocated PE          8

PV UUID               mcDIdd-drYH-DdUT-MoNP-n0ih-sZxq-xud3KS

System Id             lslack641108617952

 

 

pvscan -- total: 5 [11.46 GB] / in use: 5 [11.46 GB] / in no VG: 0 [0]

 

bash-2.05b# lvscan -vv                         
lvscan -- no volume groups found   
                                   
bash-2.05b#                        
                                   

df -k                                                               
df -k                                                               
Filesystem           1K-blocks      Used Available Use% Mounted on  
/dev/dasda1            2365444    437392   1807892  20% /           

bash-2.05b# mount

/dev/dasda1 on / type ext3 (rw)

proc on /proc type proc (rw)

devpts on /dev/pts type devpts (rw,gid=5,mode=620)



Mark Post

-----Original Message-----
From: linux-lvm-bounces redhat com [mailto:linux-lvm-bounces redhat com]
On Behalf Of Diaz Rodriguez, Eduardo
Sent: Thursday, April 28, 2005 4:54 AM
To: LVM general discussion and development
Subject: Re: [linux-lvm] LVM VG keeps disappearing


It is only a sugestion.

lvm version.
fdisk for all patitions
vgscan -vv in verbose mode and debug mode (if you has complied with
debug)
pvscan -vv
lvscan -vv
df -k
mount

all information that you can!



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