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Full Discussion: Increase LUN size in AIX with VIOS and HACMP
Operating Systems AIX Increase LUN size in AIX with VIOS and HACMP Post 302606594 by enzote on Monday 12th of March 2012 08:41:05 AM
Old 03-12-2012
Map
The disk are in concurrent mode. If a run lspv from one node I got:

# lspv
...
hdisk3 00f6317b414624c2 vg_data concurrent
hdisk4 00f6317b41466700 vg_data concurrent
...

I tried export/import.

The disks are mapped through VSCSI.

I will make a test, unmapping the disks, running cfgdev on VIOS and then remapping them.

Thanks!

Enzote

---------- Post updated at 09:41 AM ---------- Previous update was at 08:12 AM ----------

Hello!

This procedure works:

1.- Stop PowerHA services in both nodes.

2.- In VIOS A:
$ rmdev -dev vtd_data_A
$ rmdev -dev vtd_data_B
$ r oem
# rmdev -dl hdisk1
# rmdev -dl hdisk2
# cfgmgr
# chdev -l hdisk1 -a reserve_policy=no_reserve
# chdev -l hdisk2 -a reserve_policy=no_reserve
# exit
$ mkvdev -vdev hdisk1 -vadaper vhost0 -dev vtd_data_A
$ mkvdev -vdev hdisk2 -vadaper vhost0 -dev vtd_data_B


3.- Repeat step 2 en VIOS B.

4.- On node A:
# rmdev -dl hdisk3
# rmdev -dl hdisk4
# cfgmgr
# chdev -l hdisk3 -a reserve_policy=no_reserve
# chdev -l hdisk4 -a reserve_policy=no_reserve
# chdev -l hdisk3 -a queue_depth=10
# chdev -l hdisk4 -a queue_depth=10
# varyonvg vg_data
0516-1434 varyonvg: Following physical volumes appear to be grown in size.
Run chvg command to activate the new space.
hdisk3 hdisk4
# chvg -g vg_data
# varyoffvg vg_data

5.- Repeat step 4 on node B, except chvg -g.


Thanks for the support!

Enzote
 

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