topic Re: extend LV in Operating System - HP-UX

extend LV

prash_1 — Tue, 13 Feb 2007 08:17:03 GMT

Dear Gurus,
I want to extend LV before that some
questionsin my mind.
1) how to check online JFS is installed or not?
2) If online jfs is installed and I use command
extendfs (after lvectend command) instade of fsadm command what will happen
Thanks.

Re: extend LV

Ludovic Derlyn — Tue, 13 Feb 2007 08:37:59 GMT

hi,

for fisrst question, do

swlist -l product |grep -i online

if jfs online is installed , use fsadm

fsadm -F vxfs -b sizeM /dev/vgxx/lvolxx

regards

L-DERLYN

Re: extend LV

Pete Randall — Tue, 13 Feb 2007 08:38:27 GMT

# swlist |grep -i online
B3929CA B.11.11 HP OnLineJFS

If you use extendfs, you will need to unmount the file system first, thus negating the advantage of OnlineJFS.

Pete

Re: extend LV

Ralph Grothe — Tue, 13 Feb 2007 08:42:10 GMT

The most obvious check if OnlineJFS is installed would actually be trying to extend the mounted filesystem after you have lvextended.
It would most likely moan that this isn't possible if it weren't installed.

e.g.

# lvextend -l $((no_curr_LEs + no_add_LEs) /dev/vg??/lvol?

# lvdisplay /dev/vg??/lvol? | grep LV\ Size

# fsadm -F vxfs -b lv_sizeM /mount/of/lvol?

Re: extend LV

Coolmar — Tue, 13 Feb 2007 08:42:46 GMT

Hi Prash,

1) $ swlist -l product |grep JFS
The above command will return the product and version if it is installed

2) If it is installed, do the following to extend your filesystem:
1. Extend logical volume,
#lvextend -L 2000 /dev/vgxx/lvolxx

2. Extend filesystem
#fsadm -b 2000m /filesystem

Re: extend LV

Indrajit_1 — Tue, 13 Feb 2007 09:00:18 GMT

Hi;

#swlist -l product |grep -i online

check if online JFS in installed.

if not,

u need to unmount the filesystem and run extendfs to increase the LV size.

Cheers;
Indrajit Roy

Re: extend LV

Bill Hassell — Tue, 13 Feb 2007 09:22:43 GMT

extendfs always works. It makes filesystems larger BUT the filesystem cannot be mounted. Online JFS adds the capability to extend the filesystem without un-mounting.

Re: extend LV

prash_1 — Wed, 21 Feb 2007 06:25:33 GMT

thanks for your replies yesterday I extend lv