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PowerPath Checklist — New Windows Server and Existing Storage System With Boot Disk
7-35
Windows Installation Checklists
23 Server
Test PowerPath
with a license
key
If you have a PowerPath license key
If your PowerPath license key is not
registered, the load balancing policy is
restricted to basic failover.
❑
View the LUNs available to the
server using the following
PowerPath command:
powermt display dev=all
class=clariion
If you have a PowerPath license key
If your PowerPath license key is not
registered, the load balancing policy is
restricted to basic failover.
❑
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.
❑
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 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.
❑
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.
Task
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