Control blocks

This section lists some of the FEPI control blocks and their resident storage subpools, where applicable. For details of the subpools, see Storage manager domain (SM).

DFHSZSDS (Static area)

Used to anchor all FEPI storage

DFHSZDCM (Common area)

Used to anchor all FEPI Resource Manager storage (SZSPFCCM)

DFHSZDND (Node)

Represents a node (SZSPFCND)

DFHSZDPD (Pool)

Represents a pool (SZSPFCPD)

DFHSZDTD (Target)

Represents a target (SZSPFCTD)

DFHSZDPS (Propertyset)

Represents a property set (SZSPFCPS)

DFHSZDCD (Connection)

Represents a connection (a node-target pair) (SZSPFCCD)

DFHSZDCV (Conversation)

Represents a FEPI conversation (SZSPFCCV)

DFHSZDSR (Surrogate)

Used to associate nodes, pools, and targets with other control blocks—not to be confused with a CICS® surrogate terminal (SZSPFCSR)

DFHSZDQE (Queue element)

Used to schedule Resource Manager work (SZSPFCWE).