西餐冷菜小吃图片:Oracle ORA-00481 错误,一个instance被异常kill

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1. 错误现象:    - Alert Log 报如下错误:       Errors in file /oracle/admin/PEDBDB/bdump/pedbdb2_lmon_637.trc:
      ORA-00481: LMON process terminated with error
      Fri Apr  1 08:24:37 2011
      LMON: terminating instance due to error 481
     Fri Apr  1 08:24:37 2011
     System state dump is made for local instance
     System State dumped to trace file /oracle/admin/PEDBDB/bdump/pedbdb2_diag_633.trc
     Fri Apr  1 08:24:39 2011
     Starting ORACLE instance (normal)
     Fri Apr  1 08:24:40 2011
     Shutting down instance (abort)
     License high water mark = 14
     Fri Apr  1 08:24:43 2011
     Instance terminated by LMON, pid = 637
     Fri Apr  1 08:24:45 2011
     Instance terminated by USER, pid = 16116     - /oracle/admin/PEDBDB/bdump/pedbdb2_lmon_637.trc log报如下错:      *** 2011-04-01 08:24:37.656
      error 481 detected in background process
      ORA-00481: LMON process terminated with error
      ksuitm: waiting up to [5] seconds before killing DIAG2.   处理措施   - 查看RAC状态      [pedbsv02:/oracle/admin/PEDBDB/bdump] crs_stat -t                                         
      Name           Type           Target    State     Host        
      ------------------------------------------------------------
      ora....B1.inst application    ONLINE    ONLINE    pedbsv01    
      ora....B2.inst application    ONLINE    OFFLINE    pedbsv02     <----Instance 2 down..
      ora.PEDBDB.db  application    ONLINE    ONLINE    pedbsv01    
      ora....01.lsnr application    ONLINE    ONLINE    pedbsv01    
      ora....v01.gsd application    ONLINE    ONLINE    pedbsv01    
      ora....v01.ons application    ONLINE    ONLINE    pedbsv01    
      ora....v01.vip application    ONLINE    ONLINE    pedbsv01    
      ora....02.lsnr application    ONLINE    ONLINE    pedbsv02    
      ora....v02.gsd application    ONLINE    ONLINE    pedbsv02    
      ora....v02.ons application    ONLINE    ONLINE    pedbsv02    
      ora....v02.vip application    ONLINE    ONLINE    pedbsv02   以上证明Oracle RAC正常,只是Instance 2 down,所以只要startup instance2 即可。   - startup Instance2   - 启动完成后确认状态      [pedbsv02:/oracle/admin/PEDBDB/bdump] crs_stat -t                                               
      Name           Type           Target    State     Host        
      ------------------------------------------------------------
      ora....B1.inst application    ONLINE    ONLINE    pedbsv01    
      ora....B2.inst application    ONLINE    ONLINE    pedbsv02    
      ora.PEDBDB.db  application    ONLINE    ONLINE    pedbsv01    
      ora....01.lsnr application    ONLINE    ONLINE    pedbsv01       
      ora....v01.gsd application    ONLINE    ONLINE    pedbsv01    
      ora....v01.ons application    ONLINE    ONLINE    pedbsv01    
      ora....v01.vip application    ONLINE    ONLINE    pedbsv01    
      ora....02.lsnr application    ONLINE    ONLINE    pedbsv02    
      ora.  ...v02.gsd application    ONLINE    ONLINE    pedbsv02    
      ora....v02.ons application    ONLINE    ONLINE    pedbsv02    
      ora....v02.vip application    ONLINE    ONLINE    pedbsv023.  错误原因:   等分析。。。4. 错误影响    - instance 2 上应用自动切换到 instance 1上,造成instance 1 负荷变大,磁盘IO变高。