错误描述:

 ORA-00845: MEMORY_TARGET not supported on this system

查找资料发现在oracle 11g中新增的内存自动管理的参数MEMORY_TARGET,它能自动调整SGA和PGA,这个特性需要用到/dev/shm共享文件系统,而且要求/dev/shm必须大于MEMORY_TARGET,如果/dev/shm比MEMORY_TARGET小就会报错

解决办法
初始化参数MEMORY_TARGET或MEMORY_MAX_TARGET不能大于共享内存(/dev/shm),可通过调整共享内存(/dev/shm)大小来解决

ORA-00845: MEMORY_TARGET not supported on this system

 ORA-00845: MEMORY_TARGET not supported on this system

ORA-00845: MEMORY_TARGET not supported on this system

ORA-00845: MEMORY_TARGET not supported on this system

至此,问题解决。

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