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CA‑GSS requires one system linkage index (LX) to provide for Program Call (PC) routines. This is obtained from the system automatically at initialization. If CA‑GSS is restarted, the previously obtained LX is reclaimed.
The first time you start CA‑GSS after performing an IPL, CSA and ECSA areas are reserved. These areas are obtained only once during an IPL (unless you restart CA‑GSS, in which case a second set of areas is obtained). These areas are retained until the next IPL. The storage required is:
These areas are used by CA‑GSS background tasks and are shared by all address spaces using CA‑GSS services.
If you reload CA‑GSS (PGM=GSSLOAD,PARM=RELOAD), a new ECSA area is allocated and the old area is retained. This prevents the possibility of freeing an area that is still in use by another address space. If you reload CA‑GSS a third time, the original storage is freed and the second load is retained. Only the latest two versions of CA‑GSS are retained.
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