AIX shuts down and restarts to make all changes take
effect. 
- Shut down any processes that require a clean shutdown, for example
SNA. 
- Make sure you are not in the CD-ROM file system (check all your
terminal sessions).
- Login as dtdb23in (su -
dtdb23in) and type the following commands, pressing Enter after
each one: 
- db2 force applications all
- db2 terminate
- db2stop
 Wait until all DB2 processes have stopped (you can check this
using the  ps –ef | grep db2 command). The db2fmcd process will continue to run, but this does not cause any
problems. If DB2 does fail to stop, use the command db2stop
force.
- Login as root, type the following command, and press  Enter: shutdown -Fr 
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