Normal we use:
ipcs -as|grep oracle
But from the ORACLE_HOME/bin there is a sysresv that will detect this for a database instance.
Use the sysresv utility to display the status of an Oracle instance and identify the operating system resources it uses, such as the memory and semaphore parameters
sysresv
sysresv [-i] [-f] [-d on|off] [-l sid1[ sid2 ...]]
/opt/oracle/product//12.1/bin/sysresv: invalid option -- -
usage : sysresv [-if] [-d ] [-l sid1 ...] -i : Prompt before removing ipc resources for each sid -f : Remove ipc resources silently, oevrrides -i option -d : List ipc resources for each sid if on -l sid1 .. : apply sysresv to each sid Default : sysresv -d on -l $ORACLE_SID Note : ipc resources will be attempted to be deleted for a sid only if there is no currently running instance with that sid.
The System Resource Verifier utility (sysresv) is available with Oracle8i and later releases. It provides Oracle instance and operating system resource information for the Oracle system identifiers (ORACLE_SID) that you specify. You can use this utility when an Oracle instance has crashed or was aborted, and memory and semaphores related to this instance were not cleaned up automatically. This utility is also useful in determining which Oracle instance is running.
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