IFCID 250 - Connect/Rebuild Connect/Disconnect Group Bpool
This topic shows detailed information about Record Trace - IFCID 250 - Connect/Rebuild Connect/Disconnect Group Bpool
.
This record is written for a group buffer pool (coupling facility cache structure) connect, rebuild, or disconnect event.
The DESCRIPTION column indicates what event occurred. The format of this record and data shown depends on the event being reported.
Record trace - IFCID 250 - Connect/Rebuild Connect/Disconnect Group Bpool
The field labels shown in the following sample layout of Record Trace - IFCID 250 - Connect/Rebuild Connect/Disconnect Group Bpool
are described in the following section.
|-------------------------------------------------------------------------------------------------------------------------
|STRUCTURE NAME: DSNCAT_GBP0 GROUP BP NAME: GBP0 RETURN CODE: 0 REASON CODE: X'00000000'
|.........................................................................................................................
|STRUCTURE SIZE: 384 DIRECTORY ENTRIES : 1468 ALLOCATION : NO MAX NUMBER CASTOUT : 1024
|DATA ELEMENTS : 293 MAX STRUCTURE SIZE: 384 CONNECT TYPE: NEW CONNECTION EXCLUSION LIST HONORED: YES
|QW0250F1 B'00000000000000000000000000000000'
|-------------------------------------------------------------------------------------------------------------------------
IFCID 250 - Connect & Rebuild Connect
Failure (Authorization) Record
|-------------------------------------------------------------------------------------------------------------------------
|STRUCTURE NAME: DSNCAT_GBP0 GROUP BP NAME: GBP0 RETURN CODE: 0 REASON CODE: X'00000000'
|.........................................................................................................................
|SAF RETURN CODE: 9999999999 SAF REASON CODE: X'HHHHHHHH'
|-------------------------------------------------------------------------------------------------------------------------
IFCID 250 - Connect & Rebuild Connect
Failure (No Suitable Coupling Facility) Record
|-------------------------------------------------------------------------------------------------------------------------
|STRUCTURE NAME: DSNCAT_GBP0 GROUP BP NAME: GBP0 RETURN CODE: 0 REASON CODE: X'00000000'
|........................................................................................................................
|COUPLING FACILITY NAME: XXXXXXXX COUPLING FACILITY REASON: STRUCTURE ATTRIBUTES INCONSISTENT
|MIN CONTROL SPACE : 9999999999 TOTAL SPACE : 9999999999 TOTAL CONTROL SPACE: 9999999999 TOTAL FREE SPACE: 9999999999
|FREE CONTROL SPACE: 9999999999 STORAGE SIZE: 99999 MAXIMUM ELEMENT : 999 MAXIMUM CASTOUT : 99999
|-------------------------------------------------------------------------------------------------------------------------
IFCID 250 - Disconnect
|-------------------------------------------------------------------------------------------------------------------------
|STRUCTURE NAME: DSNCAT_GBP0 GROUP BP NAME: GBP0 RETURN CODE: 0 REASON CODE: X'00000000'
|.........................................................................................................................
|DISCONNECT TYPE: FAILED-PERSISTENT
|-------------------------------------------------------------------------------------------------------------------------
- STRUCTURE NAME
-
The name of the coupling facility structure.
Field Name: QW0250SN
- GROUP BP NAME
-
The group buffer pool name.
Field Name: QW0250GN
- RETURN CODE
-
The return code.
The reason code.
Field Name: QW0250RC
- STRUCTURE SIZE
-
The structure size, that is, the number of 4 KB blocks. The actual size might be less than the requested size due to insufficient space in the preference list facilities.
Field Name: QW0250SZ
- DIRECTORY ENTRIES
-
The number of allocated directory entries.
Field Name: QW0250DR
- ALLOCATION
-
Indicates whether this connect caused a structure allocation.
Field Name: QW0250CA
- MAX NUMBER CASTOUT
-
The maximum number of castout classes.
Field Name: QW0250CO
- DATA ELEMENTS
-
The number of data elements allocated. For Db2 group buffer pools, the size of the data elements is 4 KB. Each data entry consists of one or more data elements.
Field Name: QW0250DT
- MAX STRUCTURE SIZE
-
The maximum structure size saved at the time the structure was allocated. The maximum structure size is obtained from the active policy at the time the structure is allocated.
Field Name: QW0250SM
- CONNECT TYPE
-
The type of connection.
Field Name: QW0250CD
- EXCLUSION LIST HONORED
-
Indicates whether the exclusion list was honored.
This field is only applicable if the value in ALLOCATION is
YES. Otherwise, N/A is printed in this field.Field Name: QW0250F2
- SAF RETURN CODE
-
The system authorization facility (SAF) return code.
Field Name: QW0250X1
- SAF REASON CODE
-
The SAF reason code.
Field Name: QW0250X2
- COUPLING FACILITY NAME
-
The coupling facility name.
Field Name: QW0250ZN
- COUPLING FACILITY REASON
-
The reason why the coupling facility was not suitable.
Field Name: QW0250ZR
- MIN CONTROL SPACE
-
The minimum control space required (in 4 KB blocks) to allocate the structure for which connect was requested.
Field Name: QW0250ZM
- TOTAL SPACE
-
The total space in the coupling facility in 4 KB blocks, including control and noncontrol space.
Field Name: QW0250ZG
- TOTAL CONTROL SPACE
-
The total control space in the coupling facility in 4 KB blocks.
Field Name: QW0250ZH
- TOTAL FREE SPACE
-
The total free space in 4 KB blocks, including control and noncontrol space.
Field Name: QW0250ZI
- FREE CONTROL SPACE
-
The free control space in 4 KB blocks.
Field Name: QW0250ZJ
- STORAGE SIZE
-
The storage increment size in 4 KB blocks.
Field Name: QW0250ZK
- MAXIMUM ELEMENT
-
The maximum element characteristic. Db2 always requests a 4 KB element size. Therefore, this field should always equal 4.
Field Name: QW0250ZL
- MAXIMUM CASTOUT
-
The maximum number of castout classes for a structure using this coupling facility.
Field Name: QW0250ZO
- DISCONNECT TYPE
-
The type of disconnect.
Field Name: QW0250DD