z/OS MVS Programming: Sysplex Services Guide
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Specifying Structure Attributes for All Structures

z/OS MVS Programming: Sysplex Services Guide
SA23-1400-00

The following IXLCONN parameters define the common requirements of the cache, list, and lock structures. Parameters specific to each structure type are explained in other topics.
STRNAME
Specifies the name of the structure to which you want to connect.
STRSIZE
Specifies the size of the structure in 4K blocks. The size specified in the CFRM policy is the maximum size for allocation of this structure. To allocate a smaller size structure, use this IXLCONN keyword.
CONDATA
Specifies connector data to be passed to your exit routines.
STRDISP
Specifies the disposition of the structure when all connections are released.
CONDISP
Specifies the disposition of this connection in case of the connection's abnormal termination.
CONNAME
Specifies the name of this connection.
ALLOWREBLD
Specifies whether this connection allows user-managed structure rebuild to be initiated for the structure.
ALLOWALTER
Specifies whether this connection allows structure alter to be initiated for the structure.
ALLOWAUTO
Specifies whether this connection allows system-managed processes to be initiated for the structure.
SUSPEND
Specifies whether this connection can tolerate suspension of work units during system-managed processing for a structure.
RATIO
Specifies whether this connection allows the ratio of entries-to-elements to be changed if the structure is altered.
MINENTRY
Specifies the minimum number of “in-use” (list) and “in-use and changed” (cache) entries that are to be available at the completion of structure alter processing.
MINELEMENT
Specifies the number of “in-use” (list) and “in-use and changed” (cache) elements that are to be available at the completion of structure alter processing.
NONVOLREQ
Specifies whether the connector to the structure requires that the data in the structure be both nonvolatile and failure-independent.
CONLEVEL
Specifies a connector's level to be passed to peer connections in the event exit.
CFLEVEL
Specifies the requested level of the coupling facility in which the structure is to be allocated.
CONNECTIVITY
Specifies the scope of system connectivity to a coupling facility in which the structure is to be allocated.
EVENTEXIT
Specifies the address of your event exit.
COMPLETEEXIT
Specifies the address of your complete exit.
ACCESSTIME
Specifies the length of time that you can tolerate not having access to the structure while SVC Dump holds serialization on the structure.
MAXTIME
Specifies the maximum amount of time that you can tolerate not having access to the structure.

The IXLCSP service can be used to assist you when defining certain IXLCONN parameters. See Using the IXLCSP Service to Determine Structure Size or Attributes.

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