DFS2453A DATASPACE UOW CANNOT BE PINNED FOR I/O
Explanation
Fast Path has begun the process of loading an area which is defined with the VSO and PRELOAD options, into a data space. An error occurred while attempting to page fix storage in the data space.
System action
The preload process terminates without finishing the preload process.
Operator response
This problem is a possible real storage shortage problem. After real storage problem is resolved, issue the /START AREA or UPDATE AREA START(ACCESS) command to initiate the preload process.