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3314918 - db2start fails with SQL1220N The database manager failed to allocate shared memory

Symptom

db2start fails with SQL1220N The database manager failed to allocate shared memory


Further checking the db2diag.log the reason is given. 

2023-03-20-16.08.25.                                           LEVEL: Severe
PID     :                  TID : 140693911304000 PROC : db2star2
INSTANCE:               NODE : 
HOSTNAME: 
FUNCTION: DB2 UDB, base sys utilities, DB2StartMain, probe:6351
MESSAGE : ZRC=0xFFFFFB3C=-1220
          SQL1220N  The database manager failed to allocate shared memory.

DATA #1 : <preformatted>
INSTANCE_MEMORY setting of XXXXXX cannot exceed physical memory limit of XXXXXX

 


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Environment

Db2 LUW IBM

Product

SAP NetWeaver all versions

Keywords

KBA , BC-DB-DB6-DBA , Database Administration , Problem

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