How To Update Kernel Patch in Solaris.

                                How To Update Kernal Patch in Solaris.

1.Take the backup from below files

  @ifconfig -a

  @uname -a

  @cat /etc/vfstab

  @df -h | wc -l

  @df -h

  @netstat -rn

  @backup filesystem

  @if it s in SVM --->metastat -p,metastat,metadb -i

  @Remove the root mirror (Edit the vfstab,system,dumpadm.conf file of secondary disk)

  @Check the current patch version

2.before patching you need to do in sanitory reboot in console (#init 6)

3.init 0--> why here init 0 means.If the server may happen not booted in single usermode

            we can go to alternate boot disk 1

4.OK> boot -s

it will ask the maintenance root passwd--> entire the root passwd

You will get the # prompt

make sure you should be in single user mode...Not in run level 3. 

 #who -r --> to check the run level

5.GO to te path where you downloaded cd /var/tmp/10_recommdended

6. ./installpatchset --s10 patchset

7.Once done down the machine in to OBP using #init 0 or restart the server using #init 6

8.Do the reconfiguration boot using --> #boot -r

9.Once box comes up check uname -a it will show the latest kernel level

10.If u had any problem after patching .U have to remove the new patch

    patchrm <newpatch>  & boot the system.

11. Get Validation from the Respective Application Team