A fix is available
APAR status
Closed as program error.
Error description
DBDPOOL full conditio may occur on structure owner DB2 member due to DBD pages incorrectly not being marked stealable. During Group Buffer Pool check point process, the Db2 internal cast out task can miss a de-reference call to the DBD it just referenced. This missed de-reference call makes those DBD pages non-stealable. number of stealable paged QISEDLRU decreases, at the end results in DBD POOL FULL condition DSNT500I REASON CODE RC00C90089 AND RESOURCE TYPE 00000602 Keywords: MSGDSNT500I RC00C90089
Local fix
increase EDMDBDC dynamically
Problem summary
**************************************************************** * USERS AFFECTED: * * All Db2 12 for z/OS users. * **************************************************************** * PROBLEM DESCRIPTION: * * Database descriptor (DBD) POOL full * * condition may occur due to database * * descriptor(DBD) pages incorrectly * * not being marked stealable. * **************************************************************** * RECOMMENDATION: * * Apply corrective PTF when available * **************************************************************** During Group Buffer Pool check point process, the Db2 internal cast out task can miss a de-reference call to the DBD it just referenced. This missed de-reference call makes those DBD pages non-stealable and number of stealable page decreases. At the end, it results in DBD POOL FULL condition and DSNT500I message issued with REASON CODE RC00C90089 RESOURCE TYPE 00000602.
Problem conclusion
DB2 code has been updated so that DBD pages will be marked stealable correctly. Keywords: MSGDSNT500I RC00C90089
Temporary fix
Comments
APAR Information
APAR number
PI98892
Reported component name
DB2 OS/390 & Z/
Reported component ID
5740XYR00
Reported release
C10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-06-07
Closed date
2018-08-06
Last modified date
2018-09-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UI57723
Modules/Macros
DSNIFPSC
Fix information
Fixed component name
DB2 OS/390 & Z/
Fixed component ID
5740XYR00
Applicable component levels
RC10 PSY UI57723
UP18/08/22 P F808
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
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Document Information
Modified date:
04 September 2018