db2start may fail with "SQL6048N A communication error occurred during START or STOP DATABASE MANAGER processing"
After a server reboot db2start command may fail to start with "SQL6048N A communication error occurred during START or STOP DATABASE MANAGER processing"
The rlogin hostname fails with below error:
(db2inst1@p01slapp02):/home/db2inst1# rlogin p01slapp02
p01slapp02: Connection refused
RSH services not working
Diagnosing the problem
Execute the "rah date" command to check if the rsh services are started
Resolving the problem
Start the RSH services on the server
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