Just a curiosity. Some shops are still coding CSCBLOC=BELOW but the default at
2.1 is ABOVE
Description under MAXUSER States:
However, too large a buffer can cause the system to allocate more system
resources than are needed during a given IPL. The excessive allocation of system
resources because of incorporating too large a buffer can lead to potential
problems such as the following examples:
The specification of MAXUSER in conjunction with CSCBLOC=BELOW and RSVSTRT
can cause the system to allocate excessive storage below 16 M. See CSCBLOC for
additional details.
An aggressively large MAXUSER, RSVSTRT, and RSVNONR can cause the system to
allocate an excessive amount of storage, which can potentially lead to a wait
state 204 reason 008. (Wait state 204 with reason 008: An error occurred during
allocation initialization; the system could not obtain storage for device
information.) The system enters a non-restartable wait state 204 at IPL time.
Lizette Koehler
statistics: A precise and logical method for stating a half-truth inaccurately
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