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Before You Install
1-3
Installing PowerPath
Locate Your License Key
The PowerPath license registration key is on the License Key Card
delivered with the PowerPath media kit.
If you are upgrading from an earlier version of PowerPath, you need not
reregister; PowerPath will use your old key.
Prepare the Host and Storage System
To prepare the host and storage system:
❑ Verify that your environment meets the requirements in:
❑ Environment and System Requirements section of the EMC
PowerPath Release Notes. That section describes minimum
hardware and software requirements for the host and
supported storage systems.
❑ Chapter 3, PowerPath Configuration Requirements, in the
PowerPath Product Guide. That chapter describes the
host-storage system interconnection topologies that
PowerPath supports.
❑ Set up the SCSI target and LUN or Fibre Channel port and LUN
addresses. Refer to the EMC Host Connectivity Guides or
Installation Roadmap for FC-Series Storage Systems.
In the
/etc/system file, make sure the timeout value is set to 60
seconds. This minimizes path failover time without
compromising online storage-system microcode or base code
upgrades. The entry must be a hexadecimal number:
set sd: sd_io_time = 0x3C
❑ Use the Solaris format utility to format, partition, and label the
unused storage system devices such that each unused device has
a partition 2 that occupies the entire device. Do not, however, use
or mount these devices before installing PowerPath.