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SFPの障害が原因でFCイニシエータポートがオフライン

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ontap-9
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環境

  • ONTAP 9
  • Cisco MDS
  • テープ・ドライブ

問題

  • Ciscoスイッチを介してテープストレージに接続されているFCイニシエータポートがオフラインになっている( SYSCONFIG-A またはを参照) FC-INIT-PORT-INFO.XML
slot 0: FC Host Adapter 0c (QLogic 8324 rev. 2, N-port, <OFFLINE (hard)>)
  • EMSに表示されるリンク切断:
Tue Feb 13 22:55:20 +0100 [node1: isp2400_intrd: fci.link.break:error]: Link break detected on Fibre Channel adapter 0c.
Tue Feb 13 22:55:50 +0100 [node1: isp2400_timeout_0: fci.link.error:error]: Could not recover link on Fibre Channel adapter 0c after 30 seconds. Taking the adapter offline.
  • ケーブルを抜き差しするか交換すると、アダプタが数秒間オンラインになり、その後再びオフラインになります。
Mon Feb 19 09:09:39 +0100 [node1: isp2400_asyncd_0: fci.adapter.online:info]: Fibre Channel adapter 0c is now online.
Mon Feb 19 09:11:46 +0100 [node1: isp2400_intrd: fci.link.break:error]: Link break detected on Fibre Channel adapter 0c.
Mon Feb 19 09:12:17 +0100 [node1: isp2400_timeout_0: fci.link.error:error]: Could not recover link on Fibre Channel adapter 0c after 30 seconds. Taking the adapter offline.
  • ノードから失われたテープドライブ:

Mon Feb 19 09:12:17 +0100 [node1: isp2400_asyncd_0: mlm.tapemc.lun.removed:notice]: The tape LUN 'XXXXXXXXXXX:XXXXXXXXX' (S/N: XXXXXXXXXX) is no longer visible to this node.

  • スイッチは良好なTX電力を報告しますが、低いRX電力を報告します。
`show interface`
[...]
fc1/11 is down (Link failure or not-connected)
[...]
Temperature 32.90 C, Voltage 3.28 V, Current 7.10 mA, TxPower -0.27 dBm, RxPower -40.00 dBm --
 

 

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