PRIMECLUSTER HA Server 4.5A00for SAP HANA(R) Installation Guide

4.2.2 Uninstallation

1. Login to the system and become the root user.

   $ su <Return>
   Password:password <Return>

2. Start the system in single user mode.

   Check the default target.

   Note

   • The default target before upgrading ([multi-user.target] in the following example) varies depending on the system.

   • Put down the default target before upgrading as you can restore the system to the state prior to upgrading later.

   # systemctl get-default <Return>
   multi-user.target

   The default target changes in single-user mode.

   # systemctl set-default rescue.target <Return>

   Start the system again in single-user mode.

   # shutdown -r now <Return>

3. Insert the CD in the CD drive.

   # mount -t iso9660 -r /dev/<device file name> <CD-ROM mount point> <Return>

   <CDROM_DIR> will be used as the mount point.

4. Execute the CLI uninstaller.

   # cd <CDROM_DIR>/Tool <Return>
   # ./cluster_uninstall <Return>
   Are you sure to remove PRIMECLUSTER from your system (y or n) ? y <Return>
   
            .
            .
   
   The uninstallation finished successfully.

5. Eject the CD, then reboot the system by executing the shutdown(8) command.

   # cd / <Return>
   # umount <CDROM_DIR> <Return>
   # eject cdrom <Return>

   The default target changes in multi-user mode.

   # systemctl set-default multi-user.target <Return>

   Start the system again.

   # shutdown -r now <Return>