从oracle 11gR2版本,amdu工具可以直接使用,不需要单独下载

命令放在$ORACLE_HOME/bin目录下

amdu 运行后输出的格式如下 会在当前目录下生成个以amdu+日期格式的文件夹

在这个文件夹下,会生成report.txt文件,report.txt文件格式如下:

********************************* DISCOVERY **********************************

----------------------------- DISK REPORT N0001 ------------------------------
                Disk Path: /dev/rhdiskpower0
           Unique Disk ID:
               Disk Label:
     Physical Sector Size: 512 bytes
                Disk Size: 46462 megabytes
               Group Name: DATADG
                Disk Name: DATADG_0000
       Failure Group Name: DATADG_0000
              Disk Number: 0
            Header Status: 3
       Disk Creation Time: 2010/08/05 16:12:08.084000
          Last Mount Time: 2010/08/06 11:55:54.262000
    Compatibility Version: 0x0b200000(11020000)
         Disk Sector Size: 512 bytes
         Disk size in AUs: 46462 AUs
         Group Redundancy: 1
      Metadata Block Size: 4096 bytes
                  AU Size: 1048576 bytes
                   Stride: 113792 AUs
      Group Creation Time: 2010/08/05 16:12:07.766000
  File 1 Block 1 location: AU 2
              OCR Present: NO

----------------------------- DISK REPORT N0002 ------------------------------
                Disk Path: /dev/rhdiskpower1
           Unique Disk ID:
               Disk Label:
     Physical Sector Size: 512 bytes
                Disk Size: 46462 megabytes
** NOT A VALID ASM DISK HEADER. BAD VALUE IN FIELD blksize_kfdhdb **

----------------------------- DISK REPORT N0003 ------------------------------
                Disk Path: /dev/rhdiskpower2
           Unique Disk ID:
               Disk Label:
     Physical Sector Size: 512 bytes
                Disk Size: 46462 megabytes
** NOT A VALID ASM DISK HEADER. BAD VALUE IN FIELD blksize_kfdhdb **

******************************* END OF REPORT ********************************