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PowerPath for UNIX Installation and Administration Guide
Configuring a PowerPath Boot Device on Solaris
Introduction
On some storage systems, you can use either a PowerPath native
device or an emcpower device as a boot device—the device that
contains the startup image. (Refer to the EMC Support Matrix to see
whether your storage system supports PowerPath boot devices.)
Once the root is mounted, using a PowerPath device as the boot
device provides load balancing and path failover for the boot device.
Native devices, however, do not provide boot time boot path failover.
The HBA on the emcpower device must support booting in FCODE.
Examples are the Sun Fast-Wide-Differential adapter and Ultra-SCSI adapter.
The following sections describe how to configure a PowerPath native
device as the boot device and then move the boot device to an
emcpower device.