Dot Hill Systems II 200 FC service manual Enabling VERITAS DMP

setting up a configuration with redundant pathing. Multipathing software makes multiple paths between the server and the storage system and provides full services on each path for path failover.

Refer to the appendix for your host and to the SANnet II 200 FC, SATA, and SATA SE Array Release Notes for information about which versions of SANpath software are supported on your platform. Refer to these release notes for information about additional supported or provided software.

7.1.4Enabling VERITAS DMP

To enable VERITAS Dynamic Multi-Pathing (DMP) support on VERITAS Volume Manager in the Solaris operating system, perform the following steps.

Note – To see instructions for enabling VERITAS DMP on other supported platforms, refer to your VERITAS user documentation.

1.Configure at least two channels as host channels (channels 1 and 3 by default) and add additional host IDs, if needed.

2.Connect host cables to the I/O host ports configured in Step 1.

3.Map each LUN to two host channels to provide dual-pathed LUNs.

4.Add the correct string to vxddladm so VxVM can manage the LUNs as a multipathed JBOD.

#vxddladm addjbod vid=Dot Hill pid=”SANnet II FC”

#vxddladm listjbod

VID PID Opcode Page Code Page Offset SNO length

==========================================================

======
SEAGATE ALL	PIDs	18	-1	36	12
Dot Hill	SANnet II FC	18	-1	36	12

5.Reboot the hosts. System reboot is required to implement these changes.

Note – JBOD arrays require a license from VERITAS to enable any of its advanced features. Refer to VERITAS Volume Manager Release Notes or contact VERITAS Software Corporation for licensing terms and information.

Chapter 7 Maintaining Your Array 7-3