====== AIX enable iocp0 online ======
**Do not reboot** just enable IOCP
First list status
[root@prnim01]/root# lsdev -Cc iocp
iocp0 Defined I/O Completion Ports
[root@prnim01]/root# lsattr -El iocp0
autoconfig defined STATE to be configured at system restart True
Enable iocp and also at reboot
[root@prnim01]/root# mkdev -l iocp0
iocp0 Available
[root@prnim01]/root# chdev -l iocp0 -a autoconfig='available' -P
iocp0 changed