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MetroCluster FCで複数のディスクに障害が発生した場合

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Category:
metrocluster
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環境

  • MetroCluster FC
  • ONTAP 9
  • ATTO FibreBridge 7500N / 7600N

問題

  • コマンド中止エラーとデバイスのタイムアウトが多すぎるため、複数のディスクで障害が発生しました。
  • コマンドaborted errors and device timeouts are seen on disks on the same path:
[cl01-n02: isp2400_intrd: scsi.cmd.abortedByHost:error]: Disk deviceswitch1:8.126L29: Command aborted by host adapter: HA status 0x4: cdb 0x9a:0000000014345600:0001:0168.
[cl01-n02: isp2400_intrd: scsi.cmd.abortedByHost:error]: Disk deviceswitch1:8.126L30: Command aborted by host adapter: HA status 0x4: cdb 0x9a:000000003d12d800:0001:0200.
[cl01-n02: isp2400_intrd: scsi.cmd.abortedByHost:error]: Disk deviceswitch1:8.126L38: Command aborted by host adapter: HA status 0x4: cdb 0x9a:000000018ef51200:0001:0200.
 
[cl01-n02: isp2400_timeout_3: fci.device.timeout:debug]: HBA 1a encountered a device timeout on Disk deviceswitch1:8.126 (0x04070800) LUN 29 cdb 0x9a:0000000014345600:0001:0168 retry: 0
 
[cl01-n02: disk_server_0: shm.threshold.consecutiveTimeouts:error]: shm: Disk deviceswitch1:8.126L29 has exceeded the threshold of 11 consecutive timeouts; the system will fail the disk if possible.
 
  • porterrshow sfpshowスイッチポートの出力にエラーはなく、SFP TX/RXの値は正常範囲内です
  • エラーに表示されたスイッチポートに接続されたATTO FibreBridgeからのログに、次のエラーの複数インスタンスが記録されます。
INFO FC TM Cmd Rcvd: Abort Task Set to LUN:X on FC Port 1
  • FibreBridgeおよびスイッチポートのSFPが交換され、光ケーブルが使用されましたが、ディスクおよびFibreBridgeのエラーは引き続き表示されます。

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