onstat -g opn command: Print open partitions
Use the onstat -g opn command to display a list of the partitions (tables and indexes), by thread ID, that are currently open in the system.
Use the thread_id option to restrict the list to a specified ID.
Syntax: >>-onstat-- -g--opn--+-----------+----------------------------->< '-thread_id-'
Output description
This information is used by IBM® Software Support. The output might change over time and depends on your product version or fix pack.