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Error DB21017E - system error with the front-end process output queue

DB21017E The Command Line Processor encountered a system error with the front-end process output queue.

Check the MSGMNI kernel parameter, with the following command:

ipcs -l

If this value is not to process your db2 requests, you will have to increase it.

edit the /etc/sysctl.conf file inserting the line below:

kernel.msgmni = 1024

the last step is apply the command to load this new value on OS:

sysctl -p