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PowerPath for UNIX Installation and Administration Guide
Installing PowerPath
2. If the output of powermt display dev=all indicates that some
storage system logical devices are not configured as PowerPath
devices:
a. Configure any missing logical devices. Enter:
powercf -q
powermt config
b. Rerun powermt display dev=all to confirm that
– These logical devices are configured as emcpower devices.
– The correct failover and load balancing policy is set. (For
information about
powermt and load-balancing policies,
see the PowerPath Product Guide.)
If you plan to enable R1/R2 boot disk failover, see R1/R2 Boot
Failover Support on page 5-4.
c. If the failover and load balancing policy is not set correctly,
run the command
powermt set policy, setting the policy that
applies to your storage systems.
Reconfigure
Applications to Use
emcpower Devices
If you plan to use native names (recommended) with a volume
manager, file system application, or database manager, you can
ignore this section. PowerPath load balancing and failover
functionality are enabled with no further action on your part.
However, if you plan to use emcpower devices with a third-party
volume manager, file system application, or database manager,
you must reconfigure the application to use emcpower devices.
Refer to Installing and Configuring Emcpower Devices With Solaris
Applications, which is available on the Powerlink website
(
http://powerlink.emc.com).
For more information on native and pseudo names, refer to Device
Naming on page 5-5. If you are unsure whether to use emcpower or
native names, contact the EMC Customer Support Center.