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PowerPath Checklist — Existing Solaris Server and Existing Storage System
5-43
Solaris Installation Checklists
14 Server
Test PowerPath
with a license
key (cont.)
❑
View the paths to the chosen
LUN using the following
PowerPath command:
powermt display dev=
x
every=2
where
x
is a pseudo device that
represents the chosen LUN.
❑
View the paths to the chosen
LUN using the following
PowerPath command:
powermt display dev=
x
every=2
where
x
is a pseudo device that
represents the chosen LUN.
PowerPath product
guide
❑
Start I/O to the 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.
❑
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
path(s) 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.
❑
View the output of the powermt
display dev=
x
every=2
command, and verify that
• The state of the uncabled
path(s) 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.
❑
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
❑
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
15 Server
Applications
online
❑
Bring any applications that you
shut down (such as clustering or
databases) back online, and
configure for PowerPath if
required.
❑
Bring any applications that you
shut down (such as clustering or
databases) back online, and
configure for PowerPath if
required.
PowerPath for Unix
installation and
administrator’s guide
Task
With Access Logix Without Access Logix Reference Document