vgdisplay error

[fahad_8]

vgdisplay not working !!!

Dear Gentlemen

i tried to display the volume group , through vgdisplay command , unfortunatly not working , it give us this error

# vgdisplay -v vgbssb

vgdisplay: "/dev/vgbssb/group": not a character device.

vgdisplay: Cannot display volume group "vgbssb".

Kindly help us on this issue

[Fred Ruffet]

could you please report the result of the following commands :
ls -ld /dev/vgbssb
ls -l /dev/vgbssb

It will help us to see problems concerning files/dirs rights and definitions.

Regards,

Fred

[Luk Vandenbussche]

Can you post the output off

ls -l /dev/vgbssb/group

[fahad_8]

Dear

Here are the output
====================================
# ls -ld /dev/vgbssb
drwxrwxrwx 2 root sys 96 Mar 17 15:48 /dev/vgbssb
=======================================
#ls -l /dev/vgbssb/group
/dev/vgbssb/group not found =================================== # ls -l /dev/vgbssb
total 0

Best regards

[gstonian]

Have you done a vgcreate already ?

When creating a VG always follow the following steps

mkdir /dev/vgbssd
mknod /dev/vgbssb/group C 64
vgcreate

Check here for more info

http://www.docs.hp.com/en/B9106-90008/mknod.1M.html

[fahad_8]

i didnt create the VG's

i just take this system responsibilities

also there are file system moumnted on this volume group



regards

[Prashanth.D.S]

Hi Fahad,

It seems that someone has deleted the group file that holds information about ur volume group and lv... nothing to worry about pls follow the below instruction and recreate a group file and everything should work fine.

#mknod /dev/vgbssb/group c 64 0x050000
#vgchange -a y vgbssb
#vgdisplay -v vgbssb

Best Regards,
Prashanth

[Prashanth.D.S]

Hi Fahad,

To determine what was the minor number 0x0x0000 of your group you may run the below command..

#ll /dev/vgbssb

Example:

# ll /dev/vg02
total 0

brw-r----- 1 root sys 64 0x050001 Jun 26 23:37 lvol1
crw-r----- 1 root sys 64 0x050001 Jun 26 23:37 rlvol1

Here Minor number of lvol is 0x050001 so you use minor number for group as 0x050000

Best Regds,
Prashanth