active controllers in Linux environments (400681-002, October 2006)

Install the QLogic HBA failover driver and other components from the latest MSA

Support Software CD. (See Preparing for the migration.)

Use the instructions in the MSA1000/1500 firmware updating guide to install the

following items from the CD:

• Qlogic HBA failover driver

• (Optional) Array Configuration Utility (ACU) software with active/active support

• (Optional) Array Configuration Utility CLI (ACU-CLI) software

• (Optional) Array Diagnostics Utility (ADU) software

After installing or updating the selected components, remove the Support Software CD

from the CD-ROM drive.

Enable the active/active failover mode on the newly-installed QLogic HBA driver by

doing the following:

a. Enter the following commands to open the Driver Parameters menu:

# cd /opt/hp/src/hp_qla2x00src

# ./set_parm

b. Wait for the Driver Parameters menu to display.

c. At the menu prompt, enter: 1 XP/MSA/EVA Failover.

d. If prompted, enter Y at Would you like to create a new initrd to

reflect the changes in the parameters?

e. Enter 5 Quit to exit the menu.

Restart the Linux host.

For environments previously using Secure Path:

a. Run the post-migration script by entering the following commands:

# cd /opt/hp/hp-devlabel

# ./postinstall.sh

b. Verify the status of the devices and view the mapping of symbolic links to the

kernel named devices by entering the following command:

# hpdevlabel status

Verify that the MSA and its attached storage are available by entering the following

command:

# cat /proc/scsi/scsi

Example display:

Step Description Check

Attached devices:

Host: scsi0 Channel: 00 ID: 00 Lun: 00

Vendor: HP Model: MSA CONTROLLER Rev: 7.00

Type: Unknown ANSI SCSI

revision: 04 04

Host: scsi1 Channel: 00 Id: 00 Lun: 00

Vendor: HP Model: MSA CONTROLLER Rev: 7.00

Type: Unknown ANSI SCSI

revision: 04