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EXACS: DB startup fails with error ORA-27303: additional information: maxsems = 2052, verify_semcnt = 0 (Doc ID 2885410.1)

Last updated on MAY 28, 2024

Applies to:

Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Running multiple DB's in this Domu node and one of the db startup fails with below errors.

 

$ srvctl start database -d <dbname>
PRCR-1079 : Failed to start resource ora.<dbname>.db
CRS-5017: The resource action "ora.<dbname>.db start" encountered the following error:
ORA-27154: post/wait create failed
ORA-27300: OS system dependent operation:semget failed with status: 28
ORA-27301: OS failure message: No space left on device
ORA-27302: failure occurred at: sskgpsemid2
ORA-27303: additional information: maxsems = 2052, verify_semcnt = 0
. For details refer to "(:CLSN00107:)" in "/<GI_BASE>/diag/crs/l<NODENAME>/crs/trace/crsd_oraagent_<USERNAME>.trc".

CRS-2674: Start of 'ora.<dbname>.db' on '<NODENAME>' failed
CRS-2632: There are no more servers to try to place resource 'ora.<dbname>.db' on that would satisfy its placement policy

 

<NODENAME># free -g
total used free shared buff/cache available
Mem: 1367 794 16 20 556 527
Swap: 15 0 15
[root@<NODENAME> ~]# imageinfo -version
20.1.18.0.0.220114.1

 

cat /etc/sysctl.conf | grep kernel.sem
kernel.sem = 1024 60000 1024 256

Cause

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In this Document
Symptoms
Cause
Solution
References


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