Convert the EMC power disk as a boot disk

Convert the EMC power disk as a boot disk

1. Ensure that all hdisks are configured properly

2. Use the rmdev command with the -d option to remove all

   PowerPath devices, including the powerpath0 device. All PowerPath

   Devices must be deleted. 

  #lsdev -Cc disk|grep power|awk '{print "rmdev -Rdl "$1}'|ksh

  #rmdev -dl powerpath0

4. Run lsdev -Ct power. No devices should be listed in the output.

5. Determine which hdisks on the storage system will receive the copy Of the operating system. 

  

6. Run alt_install_disk -C hdisk_list to create the copy on the  storage system hdisk(s).

7. Reboot the system.The system should boot using the hdisks specified

8. Run bootlist -m normal -o to determine which hdisk is in the bootlist.

9. Use powermt to determine which hdiskpower contains the hdisk in the boot list.

  

10. Use the bootlist command to include all the path hdisks for the hdiskpower

11. Run pprootdev on.

12. Reboot the system.

When the system comes up, rootvg should be using hdiskpower devices. Ensure that all device connections to the storage system are established.

   

Bosboot on power disk

When rootvg on power disk, we cannot run bos boot as this is psudo device

Follow the below steps for bosboot on power disk

1. #pprootdev fix ( rootvg will activate on hisks and execute the bosboot

2. #pprootdevfixback ( Again rootvg will activate on power disk)