During the installation of the SAP ENQ Replication into System z Coupling Facility as described in the PDF document SAP_ENQ_REP_Inst.pdf that is attached to SAP Note 1753638,
the enqueue server fails during startup.
The z/OS system log shows the following error:
IXC471I UNABLE TO CREATE NOTE PAD SAPSSS.ENQUEUE.NN 955
REQUESTER JOB NAME: jobname SYSTEM NAME: sysname
REASON: NO SUITABLE HOST STRUCTURE FOUND
HOST STRUCTURES CONSIDERED:
STRUCTURE NAME STATUS/FAILURE REASON DIAG
---------------- --------------------------------- --------
IXCNP_SAPSSSxx INSUFFICIENT SPACE IN STRUCTURE 0000191C
BPXF024I (SSSADM) SAPENQ00 STARTUP ERROR : Creating XCF note pad 958
SAPSSS.ENQUEUE.NN by service IXCNOTE failed with return code 0x000C
and reason code 0x18050CA5.
Also in the enqueue server trace file dev_enqrepl file:
>>> REPSTORE CF (repstzOSCF.so): STATISTICS - Note pad as replication table for SAP system SSS and instance number NN has maximum of 56415 entries
>>> REPSTORE CF (repstzOSCF.so): ERROR (function <repstCreateTable(REPST_TABLENAME *, REPST_TABLEINFO *, int *)> line 725): unable to create new XCF note pad in CF. CFNPCRE return code 0x000C - reasonCode 0x18050CA5.
No coupling facility structure suitable to create XCF note pad as replication table for SAP system SSS
Modifying existing (most probably increasing their size) or defining additional structures to the CFRM policy might solve the problem
SAP NetWeaver 7.0 up to 7.3 with SAP kernel levels 7.21 or higher 7.2x levels, SAP NetWeaver 7.4 and 7.5 with SAP kernel releases 7.4x
IBM DB2 for z/OS
z/OS 2.1 or higher, z/OS 1.13 including the PTF UA66852 for APAR OA38450
XCF, CF, enqueue, replicate, IXC471I, BPXF024I, INSUFFICIENT SPACE IN STRUCTURE, UNABLE TO CREATE NOTE PAD, ensmon , KBA , BC-OP-S390 , IBM z/OS , BC-CST-EQ , Enqueue , Problem
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