HP StorageWorks SAN Virtualization Services Platform Administrator Guide (5697-0934, May 2011)

OpenVMS multipathing
Multipathing is integrated with the operating system.
Solaris 9 multipathing
This procedure configures a Solaris 9 server for use with SVSP:
1. Enable MPxIO:
a. Install the StorEdge Foundation Suite (use the install_it script).
b. Edit the /kernel/drv/scsi_vhci.conf file and change mpxio-disable=”yes”
to mpxio-disable=”no”.
2. Disable AutoFailback:
a. Open the /kernel/drv/scsi_vhci.conf file in a text editor.
b. Disable the automatic failback capability by changing the auto-failback entry to:
auto-failback="disable";
c. Save and exit the file.
d. Perform a reconfiguration reboot:
# touch /reconfigure
# shutdown -g0 -y -i6
3. Verify the system is working:
# cfgadm –al
# devfsadm –Cv
# format (to see all the volumes mapped)
4. Make sure you are using the correct HBA driver.
Solaris 10 multipathing
This procedure configures a Solaris 10 server for use with SVSP:
1. Enable MPxIO:
a. The MPxIO driver is installed and disabled by default on Solaris 10 SPARC servers for
Fibre Channel devices. To enable MPxIO, type # stmsboot –e. A reboot is required.
b. The MPxIO driver is installed and enabled by default in Solaris 10 x86–based servers.
To verify, open /kernel/drv/fp.conf and check for the line:
mpxio-disable=”no”;. Ensure it is set to “no” (MPxIO enabled).
2. Disable AutoFailback:
a. Open the /kernel/drv/scsi_vhci.conf file in a text editor.
b. Disable the automatic failback capability by changing the auto-failback entry to:
auto-failback="disable";
c. Save and exit the file.
d. Perform a reconfiguration reboot:
# touch /reconfigure
# shutdown -g0 -y -i6
3. Verify the system is working:
# cfgadm –al
# devfsadm –Cv
# format (to see all the volumes mapped)
4. Make sure you are using the correct HBA driver.
Adding new servers 27