topic problem to recreate volume group in Operating System - HP-UX

problem to recreate volume group

Mike_108 — Thu, 01 Aug 2002 00:42:00 GMT

how to recreate volume group if the previous volume group was deleted. I'm having problem to create this volume group as system will report "the volume group already define in lvmtab"

how to solve this problem..?

Re: problem to recreate volume group

Michael Tully — Thu, 01 Aug 2002 01:12:25 GMT

This should fix it.

# strings /etc/lvmtab (to make sure that the group is there)
# mv /etc/lvmtab /etc/lvmtab.010802
# vgscan -p -v (if no errors)
# vgscan -v (will re-create the /etc/lvmtab file)

You should then be able to create the volume group etc.

Re: problem to recreate volume group

T G Manikandan — Thu, 01 Aug 2002 02:33:17 GMT

Just do this

#mv /etc/lvmtab /etc/lvmtab.old

#vgscan -a
to rebuild the lvmtab file

You are creating a new volume group vg02.

Just check your /dev/vg02/group file.
If you have removed the vg02 volume group then also remove the /dev/vg02/group file.
then re-create using

mkdir /dev/vg_name
mknod /dev/vg_name/group c 64 0x0n0000
Here n should be unique.
Check using ll /dev/*/group

Thanks

Re: problem to recreate volume group

Sajid_1 — Thu, 01 Aug 2002 02:38:47 GMT

The best solution will be:
# mv /etc/lvmtab /etc/lvmtab.org
# vgscan -a
This will recreate the VG information.

Also, if you have the map file of the original VG, you can do a vgimport too:
# vgimport -m mapfile ...options ...

rgds,

Re: problem to recreate volume group

Mike_108 — Sat, 17 Aug 2002 11:31:12 GMT

guys,
thanks a lot on your effort to solve this prob.
this prob. already solve by HP engineer by changing the disk drive and reconfigure back that partition.

Regards,

Mike