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