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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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ql-dynamic-tgt-disc(8)					       System Administration					    ql-dynamic-tgt-disc(8)

NAME
ql-dynamic-tgt-lun-disc - Scans for newly added LUNs. SYNOPSIS
ql-dynamic-tgt-lun-disc [OPTIONS] DESCRIPTION
Dynamic TGT-LUN Discovery Utility This utility scans for newly added LUNs. After adding new LUNs, you do not need to unload, then load the QLogic FC driver or reboot the system To begin scanning the LUNs issue following command: # /usr/sbin/ql-dynamic-tgt-lun-disc -al, --allow-lip LIP is not issued by default, even if it is required for scanning new LUNs Setting this option, allows the utility to issue LIP. -cl, --current-luns Displays LUNS currently present -e, --extended-scan Use this option as "-e | --extended-scan". to rescan LUNs. This will identify any change in attributes of existing LUNs. This option can be used in combination of scan/refresh or max luns -h, --help, ? Prints this help message -i, --interactive Use this option to use the menu driven program -is, --iscsi Use this option to operate on ISCSI HBAs, this option can be used in combination of any other supported option. -m, --max-lun To set the maximum LUNs to be scanned -p, --proc Use PROC file system for LUN scanning -r, --refresh To refresh, that is remove LUNs that are lost use the options "-r|--refresh". This will remove the LUNs which no more exist. -s, --scan [ -r|--refresh ] The QLogic LUN scan utility re-scans all the devices connected to the QLogic HBA SEE ALSO
ql-lun-state-online(8), ql-hba-snapshot(8), ql-set-cmd-timeout(8) Matthias Schmitz <;matthias@sigxcpu.org> July 2009 ql-dynamic-tgt-disc(8)
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