Patch add steps
1) Need to take the backup filesystem through ufsdump or ,
need to remove one of the root mirror from the server .
2) Need to check the current patch version on the server .
# uname -a ( For kernel patch )
# showrev -p ( For other patches )
3) Check the latest patch in http://sunsolve.sun.com
4) Gothrough the Read me file
5) Boot the server in to the single user mode
#shutdown -g0 -y -i1 ( or #init 0 & ok boot -s )
6) Install the patch
#Patchadd < Ptach >
7) Down the machine in to the OBP using #init 0
8) Do the reconfiguration boot
#boot -r
9) Check the patch is updated pr not
