The MVS common area
The MVS™ common area contains a number of nucleus, queue, link pack, common service, and storage areas.
The following areas comprise the MVS common
area:
- Nucleus and extended nucleus
- System queue area (SQA and ESQA)
- Link pack areas (PLPA, MLPA, and CLPA)
- Common service areas (CSA and ECSA)
- Prefixed storage area (PSA).
All these elements of the common area, except the PSA, are duplicated above 16 MB.