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当磁盘即将发生故障时,长一致性点 "WAFL.cp.toolong" 或出现故障

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Category:
ontap-9
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perf<a>CP</a><a>1101269</a>
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状态信息

适用场景

  • ONTAP 8或更高版本。
  • 磁盘正在发生故障或已发生故障。

问题描述

  • "event log show" 命令输出中显示的事件:
    • ONTAP 9或更高版本示例:
      • Mon Dec 23 00:20:36 EST [FilerA: wafl_exempt08: wafl.cp.toolong:error]: Aggregate fas_01_DATA_AGGR experienced a long CP...
    • ONTAP 8示例:
      • Mon Feb 22 16:14:08 CLT [FilerA: wafl_CP_proc: wafl.cp.toolong.warning:warning]: params: ...
      • Mon Feb 22 16:14:08 CLT [FilerA: wafl_CP_proc: wafl.cp.slovol.warning:warning]: params: ...
  • 事件日志还可能列出 与磁盘相关的错误。
 Tue Oct 31 12:34:10 +1100 [Cluter1_01: disk_server_0: disk.ioRecoveredError.retry:info]: Recovered error on disk 0c.10.6: op0x2f:b5e0b400:0400 sector 7 SCSI:recovered error - Disk used internal retry algorithm to obtain data (1 b 96 96) (2693) Disk 0c.10.6 Shelf 10 Drawer 1 Slot 6 Bay 6 [NETAPP 377_WVAXE10TA07 NA01] S/N [VHGUH40M] UID [5000CCA0:C82E5848:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000] 
 Tue Oct 31 12:34:10 +1100 [Cluter1_01: disk_server_0: disk.IO.status:debug]: params: {'deviceName': '0c.10.6', 'returnCode': '5', 'pathRetryCount': '0', 'adapterStatus': '0x0', cdb': '0x2f:b5e0b400:0400', 'basicTimeout': '10', 'iASCQ': '0x96', 'iSenseKey': '0x1', 'sSenseCode': '', 'ETime': '2693', 'iASC': '0xb', 'victimRetryCount': 0', 'sSenseKey': 'SCSI:recovered error', 'targetStatus': '0x2', 'disk_information': 'Disk 0c.10.6 Shelf 10 Drawer 1 Slot 6 Bay 6 [NETAPP X377_WVAXE10TA07 NA01] S/N [VHGUH40M] UID 5000CCA0:C82E5848:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]', 'retryCount': '0', 'pathsTried': '1', 'timeoutRetryCount': '0'} 
  • 通常会检测到受影响聚合中的延迟。
  • 一致点(CP)所用时间超过预期。有关更多详细说明,请参见 常见问题解答:一致点

 

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