DFS0845I dbname DATASET LIMIT REACHED, DDNAME=ddname
Explanation
An attempt to create another block in an HDAM, HIDAM, PHDAM, or a PHIDAM database failed, because additional extents could not be allocated or an I/O error was encountered while creating additional blocks.
System action
The bitmaps are searched to find available space within the database. If space is found, it is used and processing continues. If space is not found, message DFS0844I is issued.
Operator response
Notify the IMS system programmer of the condition.Programmer response
If additional extents cannot be allocated, additional volumes can be added or the database can be reorganized. If an I/O error was encountered, and sufficient space was found using the bitmap search, migrate the database to another physical location to avoid additional I/O errors.