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  • ORA-00845: MEMORY_TARGET not supported on this system

    问题描述,安装好oracle 12c后,调整内存参数,启动时报错:
    alter system set memory_max_target=1g scope=spfile;
    alter system set memory_target=1g scope=spfile;
    alter system set sga_target=0 scope=spfile;
    alter system set pga_aggregate_target=0 scope=spfile;
    shutdown immediate;
    startup;


    SQL> startup
    ORA-00845: MEMORY_TARGET not supported on this system
    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,如下:


    解决办法:
    mount -o remount,size=2G /dev/shm

    加入到启动项,新增加如下项
    # vi /etc/fstab
    tmpfs                  /dev/shm              tmpfs  defaults,size=2g      0 0

    可以尝试重启机器
    [root@localhost ~]# df -h
    Filesystem                 Size  Used Avail Use% Mounted on
    /dev/mapper/vgroot-lvroot   38G   18G   21G  47% /
    devtmpfs                   908M     0  908M   0% /dev
    tmpfs                      2.0G     0  2.0G   0% /dev/shm
    tmpfs                      920M  8.6M  911M   1% /run
    tmpfs                      920M     0  920M   0% /sys/fs/cgroup
    /dev/sda1                  497M  138M  360M  28% /boot
    tmpfs                      184M     0  184M   0% /run/user/0
    [root@localhost ~]#

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  • 原文地址:https://www.cnblogs.com/hxlasky/p/11994270.html
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