Increase /dev/shm tmpfs on RHEL/CentOS/OEL 7


Assalamu'alaikum Wr. Wb. Oracle database uses /dev/shm for its memory target allocation. So, if space of /dev/shm is running out to allocate memory_target, Oracle will failed to startup and shown ORA-00845: MEMORY_TARGET not supported on this system. By default, CentOS 7.4.1708 as my Oracle DB platform allocate only 1.4GB /dev/shm. So I have to increase… Continue reading Increase /dev/shm tmpfs on RHEL/CentOS/OEL 7

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Increase memory_target on Oracle DB 12c Linux ORA-00845: MEMORY_TARGET not supported on this system


Increase memory_target on Oracle DB 12c Linux ORA-00845: MEMORY_TARGET not supported on this system Aziz Prastyo Wibowo Assalamu'alaikum Wr. Wb. In this moment I will share how to resolve error ORA-00845: MEMORY_TARGET not supported on this system when I tried to increase memory target on Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit under… Continue reading Increase memory_target on Oracle DB 12c Linux ORA-00845: MEMORY_TARGET not supported on this system