Using onstat -g to monitor I/O utilization
You can use some specific onstat -g command arguments to monitor disk IO.
Use the following onstat -g command arguments to monitor disk I/O utilization.
onstat -g Argument | Description |
---|---|
iof | Displays asynchronous I/O statistics by chunk
or file This argument is similar to the onstat -d, except that information about nonchunk files also appears. This argument displays information about temporary dbspaces and sort files. |
iog | Displays asynchronous I/O global information |
ioq | Displays asynchronous I/O queuing statistics |
iov | Displays asynchronous I/O statistics by virtual processor |
For a detailed case study that uses various onstat outputs, see Case studies and examples.