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Diagnostic messages in SYSLOG with " EQQZ024I =ZMAIN RMDEL2 " after applying PTF for PH65224

Question & Answer


Question

Why are messages like these seen in the SYSLOG or the controller EQQMLOG:
STCnnnnn  EQQZ024I =ZMAIN RMDEL2   & E9D4C1C9 D540D9D4 C4C5D3F2 00000050 
STCnnnnn                              lS                           000193E2 00000000 00000000 00000000 
where nnnnn is the started task number of the controller? 

Cause

PH65224

Answer

The purpose of PH65224 is to prevent the z Workload Scheduler  RM  ( resource manager ) from being added to an initiator ( INIT ) ASID.
Unpredictable results may be seen if there is a zWS RM active on an  INIT ASID, and this initiator is cancelled.
The zWS RM should only be added for local dialog ASIDs. 
Should a RC greater than 4 be detected by the PH65224 code, messages like this will be written to the SYSLOG:
STCnnnnn  EQQZ024I =ZMAIN RMDEL2   & E9D4C1C9 D540D9D4 C4C5D3F2 00000050 
STCnnnnn                              lS                           000193E2 00000000 00000000 00000000 
 
On the left the translated ASCII data, on the right the HEX dump content of the data.
The component structure of this WTO message issued by the Controller started task  is:  
EQQZ024I Description ASID TOKEN RC FILLER
in the above example the Resource Manager Delete message contains:
Description= ZMAIN RMDEL2   (issued by EQQZMAIN, label RMDEL2) (E9D4C1C9 D540D9D4 C4C5D3F2)
ASID   = x'50'                                                 (00000050)
TOKEN  = x'000193E2'                                 (000193E2)  
RC     = x'00000000'                                       (00000000)  
FILLER = x'0000000000000000'                   (00000000 00000000) 
If messages like these are seen in the SYSLOG please open a case for z Workload Scheduler support and include the
SYSLOG and the controller EQQMLOG.

[{"Type":"MASTER","Line of Business":{"code":"LOB70","label":"Z TPS"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSWL3F","label":"IBM Z Workload Scheduler"},"ARM Category":[{"code":"a8m0z0000001fyAAAQ","label":"ZOS-\u003EIZWS-\u003EINSTALLATION"}],"ARM Case Number":"TS000000000","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

Document Information

Modified date:
04 March 2025

UID

ibm17184673