HP StorageWorks 1000 Modular Smart Array application note: Migrating to active/active controllers in Tru64 UNIX environments (434886-001, October 2006)

Migrating to active/active controllers in Tru64 UNIX environments 13
7
Verify the connection.
From the CLI, enter: show connections
Example display:
CLI>show connections
Connection Name: HBA1
Host WWNN=20000000-C93673BA
Host WWPN=10000000-C93673BA
Profile Name=hp
Connection Name: HBA2
Host WWNN=50060B00-00225CB1
Host WWPN=50060B00-00225CB0
Profile Name=Tru64
F
8
Grant the new controller access to the storage.
From the CLI, enter:
add acl connection=<connection name> unit=<LUNs>
Example display, granting connection HBA2 access to LUNs 0, 1, and 2:
CLI>add acl connection=HBA2 unit=0 1 2
Enabling ACL. Allowing 50060B00-00225CB0 access to unit 0 1 2.
F
9
Verify the newly added redundancy.
From the Tru64 operating system, enter:
# hwmgr -scan comp -clus
# hwmgr -get attrib -id xxx |grep paths
(Where xxx is the hwid taken from the hwmgr_filename for the MSA devices.)
Check all MSA devices to ensure that the new path has been added.
F
10
Load balance the MSA controllers.
NOTE: HP recommends setting half of the LUNs to one controller and half to the other
controller.
From the MSA CLI, enter:
show units (check preferred path setting)
set preferred_path <this_controller/other_controller>
F
Step Description (continued) Check