ANR3240W
The device class device class only has number of drives drives while the number of streams requested is number of streams.

Explanation

This message is issued when a the NUMSTREAM parameter is being specified with a value higher than the number of drives available to the device class.

System action

The command continues.

User response

The value will be updated as requested. If the number of drives available at the time the database backup is attempted is less than the number of streams, the database backup will be performed using the number of online drives as the number of streams. For example, if the number of available drives is 2 but the NUMSTREAM value had been set to 4, than the database backup will be done using only 2 streams.