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スイッチSFPの障害が原因でFCP / FCoE LIFの動作停止が報告される

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環境

  • ONTAP 9
  • FCPまたはFCoE
  • Ciscoスイッチ

問題

  • イニシエータはFCP LIFに接続 できません。また、その LIFから提供されたLUNにアクセスできません。
  • Network interface showの出力から、FCP LIFのステータスがAdministratively UpおよびOperationally Downと報告されます。

cluster1::> network interface show -data-protocol fcp
       Logical   Status   Network       Current     Current Is

Vserver    Interface  Admin/Oper Address/Mask     Node      Port   Home

----------- ---------- ---------- ------------------ ------------- ------- ----
fcp-svm

       fcp-lif  up/down 20:03:00:a0:xx:xx:xx:xx  cluster1-01   0f    true

 

  • Network fcp adapter show出力では、アダプタのステータスが"と報告されLink disconnected"ます。

Cluster1::> network fcp adapter show –fields status

node      adapter status

------------- ------- ------
Cluster1-01   0f    link disconnected

 
  • SYSCONFIG-A 出力にはステータスがと表示されLink disconnectedます。

slot 0: Fibre Channel Target Host Adapter 0f
         (QLogic 8324 (8362) rev. 2, <LINK DISCONNECTED>)
         Firmware rev:    8.9.0
         Flash rev:      5.0.2
         Host Port Addr:   000000
         FC Nodename:     50:0a:09:80:xx:xx:xx:xx(500a0980xxxxxxxx)
         FC Portname:     50:0a:09:81:xx:xx:xx:xx(500a0981xxxxxxxx)
         Connection:     No link
         Switch Port:     Unknown
SFP Vendor Name:   AVAGO
SFP Vendor P/N:   AFBR-57F5MZ-NA1
SFP Vendor Rev:   01
SFP Serial No.:   xxxxxxxxx
SFP Connector:    LC
SFP Capabilities:  4, 8, 16 Gbit/Sec

 

  • show interface transceiver接続されているCiscoスイッチの出力で、影響を受けるストレージ接続ポートのTx電力が低いことが報告されています。

lowtx-cisco.png

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