oracle报错ORA-00845: MEMORY_TARGET not supported on this system的解决办法
2016-08-06 18:40
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查找资料后发现问题如下:
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
解决方案
1.初始化参数MEMORY_TARGET或MEMORY_MAX_TARGET不能大于共享内存(/dev/shm),为了解决这个问题,可以增大/dev/shm
如:
# mount -t tmpfs shmfs -o size=8g /dev/shm
2.修改/etc/fstab文件
tmpfs /dev/shm tmpfs defaults,size=1G 0 0
size的值小于/dev/shm即可
然后重启数据库即可
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
解决方案
1.初始化参数MEMORY_TARGET或MEMORY_MAX_TARGET不能大于共享内存(/dev/shm),为了解决这个问题,可以增大/dev/shm
如:
# mount -t tmpfs shmfs -o size=8g /dev/shm
2.修改/etc/fstab文件
tmpfs /dev/shm tmpfs defaults,size=1G 0 0
size的值小于/dev/shm即可
然后重启数据库即可
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