To enable the multipathing software on hosts running Solaris OS 8 or 9:

1. Open the /kernel/drv/scsi_vhci.conf file with a text editor.

2. Set mpxio-disable=”no”; in the file.

3. Set load-balance=”round-robin”; in the file.

4. Set auto-failback=”enable”; in the file.

5. Save the updated file.

6. Reboot the host.

7. Use the cfgadm command to configure HBA paths.

How you configure paths depends on how you are using your arrays in a SAN or direct attach environment.

▼ Enabling Multipathing Software for Solaris 10 OS

To enable multipathing software for all Fibre Channel (FC) ports on hosts running Solaris OS 10:

1. Type the following command:

# stmsboot -e

Note – See the stmsboot(1M) man page for complete details. You are prompted to confirm the command:

WARNING: This operation will require a reboot.

Do you want to continue ? [y/n] (default: y)

2. Press Return to reboot the host.