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PowerPath Checklist - New HP-UX Server and New Storage System
2-11
HP-UX Installation Checklist
17 Server
Configure
PowerPath
devices
❑
Use the following PowerPath command to configure PowerPath:
powermt config
PowerPath product
guide
❑
Checkpoint - Use the following PowerPath command to verify that
PowerPath sees all the paths to the LUNs:
powermt display dev=all class=clariion
If PowerPath cannot see all the paths, verify that
• you registered your PowerPath license key if you have one
• the OptionsSupported Autotrespass entry is defined as described in
step 3
• the storage-system properties are set as defined in step 11.
❑
If PowerPath can see all the path to the LUNs, save the PowerPath
configuration with the following command:
powermt save
The PowerPath configuration is saved in the following file:
/etc/powermt.custom
18 Server
Test PowerPath
with a license
key
If you have a PowerPath license key
Note If your PowerPath license key is not registered, the load balancing policy is
restricted to basic failover.
❑
Stop all applications accessing the storage system and disable user logins
to the server.
PowerPath product
guide
❑
View the LUNs available to the server using the following PowerPath
command:
powermt display dev=all class=clariion
❑
Choose one available LUN to receive I/O for the test.
❑
View the paths to the chosen LUN using the following PowerPath
command:
powermt display dev=
x
every=2
where
x
is a device that represents the chosen LUN.
❑
Start I/O to the LUN.
❑
Identify the HBA sending I/O to LUN by viewing the output of the powermt
display dev=
x
every=2 command, and disconnect the cable to that HBA.
Task
With Access Logix Reference Document