Disable PowerPath

1. Please ensure that LUNS are available to the host from multiple paths
# powermt display

2. Stop the Application so that there is no i/o issued to Powerpath devices If the application is under VCS control , please offline the service on that node
# hagrp –offline <servicename> offline

3. Unmount filesystems and Stop the volumes so that there is no volumes under i/o
# umount /<mount_point
#vxvol –g <dgname> stop all

4. Stop CVM and VERITAS Fencing on the node ( if part of a VCS cluster) NOTE: All nodes in VCS
cluster need to be brought down if CVM / fencing are enabled.
#vxclustadm stopnode
# /etc/init.d/vxfen stop

5. Disable volume Manager startup
#touch /etc/vx/reconfig.d/state.d/install-db

6. Reboot host
#shutdown –y –i6

7. Unmanage/remove Powerpath devices
#powermt remove dev=all

8. Verify that Powerpath devices have been removed
#powermt display dev=all

9. Uninstall Powerpath Binaries (package)
#pkgrm EMCpower

10.Run EMC Powerpath cleanup script

11.Reboot the host only if Powerpath Uninstall requests a reboot.

12.Start VERITAS Volume Manager daemons
#vxconfigd –m enable

13.Enable Volume Manager Startup ( disabled in step 5 )
#rm /etc/vx/reconfig.d/state.d/install-db

14.Update Boot alias of host if required in OBP

Leave a Reply

Your email address will not be published. Required fields are marked *

CAPTCHA * Time limit is exhausted. Please reload the CAPTCHA.

This site uses Akismet to reduce spam. Learn how your comment data is processed.