====== 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