EMC 300-000-978 REV A03 manual Reconfigure, Applications to Use, Emcpower Devices

1

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	If you plan to use native names (recommended) with a volume
Applications to Use	manager, file system application, or database manager, you can
emcpower Devices	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.

1-20 PowerPath for UNIX Installation and Administration Guide