ANR1407W
Scratch volume mount request denied - storage pool pool name has reached maxscratch limit.

Explanation

A scratch volume cannot be mounted because the storage pool has reached the maximum scratch volume limit allowed by the MAXSCRATCH parameter.

System action

A scratch volume is not mounted.

User response

Use the UPDATE STGPOOL poolname MAXSCRATCH=xx command command to increase the number of scratch volumes allowed in the storage pool.