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PowerPath Checklist — New AIX Server and New Storage System
1-11
AIX Installation Checklists
You are now ready to set up any optional software, such as SnapView
or MirrorView, on the storage system.
18 Serve
Make LUNs
available to AIX
❑
Create partitions or the pertinent database file systems on the LUNs.
If AIX does not recognize any LUNs, verify the connection to the Storage
Group.
Host connectivity guide
or AIX documentation
19 Server
Test PowerPath
with a license
ke
y
If you have a PowerPath license key
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.
AIX documentation
❑
View the LUNs available to the server using the following PowerPath
command:
powermt display dev=all class=clariion
PowerPath product
guide
❑
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 pseudo 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.
❑
View the output of the powermt display dev=
x
every=2 command, and
verify that
• The state of the uncabled paths becomes “dead.”
• I/O continues to the remaining path(s) to the LUN
,
indicating that the
path failover was successful, and PowerPath is working properly.
❑
Reconnect the cable that you disconnected from the HBA.
❑
If you did not follow the above steps exactly and caused any LUNs to
trespass, restore the LUNs to their original SP with the following PowerPath
command:
powermt restore
Task
With Access Logix Reference Document