ORA-00845: MEMORY_TARGET not supported on this system 报错处理
2017-11-06 18:26
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ORA-00845: MEMORY_TARGET not supported on this system 报错处理
今天新装一台Oracle 11g的数据库,打算将SGA设大一点,知道 11g 中有一个新特性 MEMORY_TARGET,于是将memory_max_target和memory_target设置大一些,但是设置完后,在启动时报了个 ORA-00845:Starting with Oracle Database 11g, the Automatic Memory Management feature requires more shared memory (/dev/shm)and file descriptors. The size of the shared memory should be at least the greater
of MEMORY_MAX_TARGET and MEMORY_TARGET for each Oracle instance on the computer. If MEMORY_MAX_TARGET or MEMORY_TARGET is set to a non zero value, and an incorrect size is assigned to the shared memory, it will result in an ORA-00845 error at startup.
简单来说就是 MEMORY_MAX_TARGET 的设置不能超过 /dev/shm 的大小:
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