Database Startup Fails with ORA-27300: OS system dependent operation:semget failed with status: 28
Last updated on MARCH 08, 2018
Applies to:Oracle Database - Enterprise Edition - Version 10.1.0.2 to 22.214.171.124 [Release 10.1 to 11.2]
Oracle Database - Enterprise Edition - Version 126.96.36.199 to 188.8.131.52 [Release 12.1]
Information in this document applies to any platform.
On a linux server, when an additional database instance is brought up, getting errors:
SQL> startup nomount
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: sskgpcreates
An additional database has been created on a linux server.
PROCESSES parameter in init.ora set to the correct value, accordingly.
Linux Kernel Parameter for Semaphore - Total 32000 semaphore are available in the system but still gets an error - ORA-27300.
$ ipcs -ls
------ Semaphore Limits --------
max number of arrays = 128
max semaphores per array = 250
max semaphores system wide = 32000
max ops per semop call = 100
semaphore max value = 32767
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