Db2 services do not start when you restart the system on a UNIX platform
The Db2® services do not start when you perform a system reboot on UNIX.
Problem
On UNIX operating systems, the instance is not enabled for autostart by default.
Action
On UNIX operating systems, to enable an instance to start automatically after each system restart, enter the following command:
db2iauto -on <instance_name>
where <instance_name>
is the login name of the instance.