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ASM装载磁盘组时ORA-15063错误处理

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     一次重启LINUX后,启动ASM实例时,发生了这个错误:

    SQL> startup

    ASM instance started

    

    Total System Global Area 130023424 bytes

    Fixed Size 2071000 bytes

    Variable Size 102786600 bytes

    ASM Cache 25165824 bytes

    ORA-15032: not all alterations performed

    ORA-15063: ASM discovered an insufficient number of disks for diskgroup

    "DWDATA"

    

    查看错误信息:

    

    15063, 00000, "ASM discovered an insufficient number of disks for diskgroup \\"%s\\""

    // *Cause: ASM was unable to find a sufficient number of disks belonging to the

    // diskgroup to continue the operation.

    // *Action: Check that the disks in the diskgroup are present and functioning,

    // that the owner of the ORACLE binary has read/write permission to

    // the disks, and that the ASM_DISKSTRING initialization parameter

    // has been set correctly. Verify that ASM discovers the appropriate

    // disks by querying V$ASM_DISK from the ASM instance.

    

       可以看到这个错误是由于ASM实例无法装载硬盘组的所有磁盘而引起的,有可能是权限问题。马上想到是否是由于OS重启后

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