How to enable I/O Completion Ports in AIX ?

Today we will look at an interesting post w.r.t. AIX, how to enable I/O Completion port in AIX.

I/O Completion ports helps in performing multiple simultaneous asynchronous input/output operations on our system which increases the performance.

1. Check if the I/O completion is available on server.

havut336 --> lsdev -Cc iocp | awk '{print $2}'

havut336 --> lsdev -Cc iocp
iocp0 Available  I/O Completion Ports
havut336 -->

2. Enable I/O completion for the particular IOCP.

# mkdev -l iocp0

Now the port is enabled in AIX and we can use it for multiple simultaneous I/O operations.

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