SOME PROBLEMS WHILE PATCHING

1.DVD PROBLEM??
ans) dvd replacement
2.AFTER KJP POWERPATH showing different no of paths to differnt no of HBA ???
ans)powerpath cleanup
3.AFTER KJP POWERPATH MANAGEMNET PROBLEM FOR EMC CLARIION BOX LUNS??????????
ans)disable solaris mpixo and enable management of Clariion class luns
4.AFTER KJP FMADM FAULTY ERROR INFORMATION ????????
ans)clear fmadm faults
5. AFTER KJP , LUN ID inter changed ?so file sytem not mounted???????
ans) according to metastat -p we interchange lun information
     now file system mount properly except one File system
     so we execute FSCK on that file system.
     file system got corrupted
7)E6900 server not booted from CDDRive or disk drive ??????
solution:-
 take power cycle.

u connect required domain to power off:-
 poweroff all
 showkeyswitchpostion
u connect required domain to poweron:-
 poweron all
 setkeyswitchpostion on
path not configured properly in OK promt level
we informed to sun team they give right physical path
now booted from cdrom.