4.1.2 Uninstallation

$ su <Return>
Password:password <Return>

If you are using RMS, stop RMS.
```
# hvshut -a <Return>
```
Boot 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>
```

Insert the CD and mount the CD device.

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

<CDROM_DIR> will be used as the mount point.

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.

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

# cd / <Return>
# umount <DVDROM_DIR> <Return>
# eject <Return>

The default target changes in multi-user mode.

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

Start the system again.

# shutdown -r now <Return>

If the blacklist of kdump or KDUMP_COMMANDLINE_APPEND is configured after this product has been installed according to the procedure described in "PRIMECLUSTER Installation" of "PRIMECLUSTE Installation and Administration Guide", restore the configuration.
Note
- In PRIMECLUSTER Global Link Services:
  Redundant Line Control Function, when using the user command execution function and script files remains, the directory under /etc/opt/FJSVhanet/script is not deleted. Delete this directory after saving or deleting script files.
```
# cd /etc/opt <Return>
# rm -rf FJSVhanet <Return>
```