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Figure 11 (Page 2 of 3). RACF Estimated Storage Usage
Storage
Subpool Usage How to Estimate Size
ESQA RACF data sharing control area 300 (when enabled for sysplex communication)
Class descriptor table (CNSX) (number_of_IBM-defined_classes × 28) +
(number_of_IBM-defined_entries_in_router_table × 30) +
(number_of_customer_defined_classes × 58) + 26
For Security Server (RACF), there are 145 IBM-defined
classes and 167 IBM-defined entries in the router table, so
the size of the CNSX is 9096 +
(number_of_customer_defined_classes × 58). If you install a
PTF that adds entries, you will need to recalculate this
number.
LSQA ACEE and related storage
Notes:
1. Applications can place this storage
in a different subpool.
2. Applications can create multiple
ACEEs in this and other storage
subpools.
400 + installation_data_length +
terminal_installation_data_length +
application_installation_data + (52 for every 78 temporary
datasets, rounded up to the next multiple of 52)
If the address space has been dubbed an OpenEdition
process, then add: 52 +
(number_of_connected_groups_with_GIDs × 4)
Add 112 bytes if the user has CLAUTH for a class with a
POSIT value over 127.
ELSQA Connect group table 64 + (48 × number_of_groups_connected)
In-storage generic profiles 160 + number_of_generic_profiles × (14 +
average_profile_size + average_profile_name_length)
RACF storage tracking table 3500
RACROUTE REQUEST=LIST profiles
Note: Applications can place these
profiles in a different storage
subpool.
2108 + (number_of_profiles_in_class × 16) +
(number_of_unique_generic_profile_prefix_lengths × 24) +
(number_of_generic_profiles × 4) +
(number_of_resident_profiles × (10 + average_profile_size +
(1.5 × class_max_profile_name_size))) for each class if
GLOBAL=YES is not specified
CSA RACF global access tables 3040 + (number_of_user_classes × 24) + 2 × (18 +
number_of_entries × (6 + (1.5 × max_profile_name_size)))
RACF database control structures
(DCB, DEB, templates)
4600 + (number_of_BAM_blocks × 6) + (364 x
number_of_RACF_primary_data_sets)
RACF subsystem control blocks 3500
26 OS/390 V2R4.0 Security Server (RACF) Planning: Installation and Migration