Take down mirror chunks using ON-Monitor (UNIX)
To use ON-Monitor to take down a mirror chunk, choose the option.
About this task
With the cursor on the dbspace that contains the chunk that you want to take down, press F3 or CTRL-B.
The database server displays a screen that lists all the chunks in the dbspace. Move the cursor to the chunk that you want to take down and press F3 or CTRL-B to change the status (take it down).