Friday, January 26, 2007

Hitachi Dynamic Link Manager on AIX manipulation command

Today's work lead me to find and learn new command for managing and verifying Hitachi Disks Array on AIX machine:

Source taken from http://www.coolcommands.com/index.php?option=com_cccat&task=display&id=47

hdlm - Hitachi SAN disk correspondance Description

Correspondance for physical disks for a Hitachi SAN:

4 hdisk = 4 dlmfdrv = 1 physical disk

HDLM commands:

Command to discover all dlmfdrv:

# dlmcfgmgr

Command to verify the disks on a HITACHI SAN:

- the system:

# dlnkmgr view -sys

- the drivers

# dlnkmgr view -drv

- the paths

# dlnkmgr view -path

Changing the Auto Failback feature

# dlnkmgr set -afb on
dlnkmgr set -afb on
Execute command? [y/n] : y
KAPL01001-I The HDLM command completed normally. Opestartration name = set

Changing the Path Health Checking feature

# dlnkmgr set -pchk on
dlnkmgr set -pchk on
Execute command? [y/n] : y
KAPL01001-I The HDLM command completed normally. Operation name = set

To bring LUN online in the system

# dlnkmgr online -path -pathid 000001

No comments: