Kernel Upgrade from version 700 to 720 (AIX)
1. Login as Root
2. Make new backup directory
cd /
mkdir <kernerl_backup>
3. Create latest kernel backup
cp -pr /sapmnt/SID/exe/* /tmp/<kernerl_backup>
4. Make new shadow kerner directory
cd /tmp/
mkdir <new_kernel>
5. Copy the new downloaded kernel files into /<new_kernel>
6. Unpack the new downloaded kernel in folder /<new_kernel>.
sapcar -xvf <filename>.SAR
7. Loging as <SID>ADM
(switch user) su -<SID>ADM
8. Stop the SAP System
stopsap
9. Stop SAPOSCOL
saposcol -k
10. Login as Root
11. Go to the current kernel directory
cd /sapmnt/<SID>/exe
12. Copy all extracted Support Packages into this folder.
cp -pr /tmp/<new_kernel>/* /sapmnt/<SID>/exe
13. Copy back the original file saproot.sh into this folder.
cp -p /tmp/<kernel_backup>/saproot.sh /sapmnt/<SID>/exe
14. Go to the current kernel directory.
cd /sapmnt/<SID>/exe
15. Then run saproot.sh
./saproot.sh <SID>
16. Login as <SID>ADM
su -<SID>adm
17. Start the saposcol serice.
startsap
Hello,
Just some observations.
1) You can rename the current "exe" folder to something like "exe_old" and then create a new, empty "exe" folder where you will uncompress the new kernel;
2) The kernel 720 is not supported anymore. Consider using the kernel 721 or 722;
3) The following SAP notes have complete / detailed steps to perform the kernel upgrade. There are (several) steps missing at this document.
Regards,
Isaías
Hi Isaias,
Thank you for your very valuable suggestions.
Regards,
Sheshi Kumar B