Clean ODM

 1.   Vary off volume groups on SAN (if any):

2.   odmdelete -q "name like hdiskpower*" -o CuAt

　 odmdelete -q "name like hdiskpower*" -o CuDv

　 odmdelete -q "value3" like hdiskpower*" -o CuDvDr

　odmdelete -q "name like hdiskpower*" -o CuVPD

3.   odmdelete -q name=powerpath0 -o CuDv

　odmdelete -q name=powerpath0 -o CuAt

　odmdelete -q value3=powerpath0 -o CuDvDr

4.   rm /dev/powerpath0 

5.   Remove PowerPath software:  installp -u  EMCpower

6.   Remove EMC ODM definition

7.   cd /dev; rm hdiskpower*; rm hdisk*

8.   savebase -v

9.   Reboot.  

10.   rmdev -dl hdisk# (delete all EMC hdisks)

11.  cfgmgr

12.  Install EMC ODM definition.

https://download.emc.com/downloads/DL46329_EMC-ODM-Definitions-5.3.0.8-(EMC.AIX.5.3.0.8.tar).tar

13.  Reboot

14.  Install PowerPath.