Upgrade PowerPath drivers on Solaris for EMC Storage

First take the backup;

powermt save (default file will be powermt.custom in /etc)

powermt save file=/etc/powermt_backup (Save the current Powerpath Configuration)

Make sure none of the services using the storage.

Now check the existing version of PowerPath drivers. It will give you the information like below;

pkginfo -l EMCpower

PKGINST: EMCpower

NAME: EMC PowerPath

CATEGORY: system

ARCH: sparc

VERSION: 5.3_b473

BASEDIR: /dir

VENDOR: EMC Corporation

DESC: EMC Powerpath Multipathing, version 5.3_b473

PSTAMP: dev:xxxxxxx

INSTDATE: XXXXX

STATUS: completely installed

FILES: 318 installed pathnames

42 directories

102 executables

169337 blocks used (approx)

Key XXXXXXXXX

Product: PowerPath

Capabilities: All

As the above architecture is SPARC and PowerPath Current Version is 5.3 now start upgrading or installation of 5.5 version

Download your desired drivers from EMC Support untar or unzip

Install by executing command pkgadd EMCpower (it will remove/replace old to new version)

Output will be something like below

----------------------------------------------------------------

* EMCpower Installation

* Adding PowerPath directories to PATH in /etc/.login and /etc/profile.

----------------------------------------------------------------

* EMCpower Installation:

* Installation is successful. No reboot required.

----------------------------------------------------------------

Run Again pkginfo -l EMCpower and check for the new version.

No machine reboot is required for above steps.

You can also check powermt display dev=all to confirm all the path are available.