CICS subpools in the ERDSA

The subpools in the extended read-only dynamic storage area (ERDSA) are listed, together with the use of each one.

Table 1. CICS subpools in the ERDSA
Subpool name Description
LDENRSRO Storage for the extended CICS® nucleus and 31-bit macro tables that are RESIDENT. The extended CICS nucleus is approximately 1850 KB. The contents of this subpool must be linked reentrant.
LDENUCRO Storage for the extended CICS nucleus and 31-bit macro tables that are not RESIDENT. The extended CICS nucleus is approximately 1850 KB. The contents of this subpool must be linked reentrant.
LDEPGMRO Storage for extended (31-bit) dynamically loaded application programs. The contents of this subpool must be linked reentrant.
LDERESRO Storage for extended (31-bit) resident application programs. The contents of this subpool must be linked reentrant.