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ストレージ側のSFPの障害が原因で、FCターゲットHBAでLIFの動作状態が停止し、リンク切断イベントが検出されました

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環境

  • ONTAP 9
  • FC
  • Cisco

問題

  • EMSメッセージFCP.IO.status AEN 0x8048 recv_error occcurring  スイッチポートとFC ケーブル/パッチパネルのトラブルシューティング手順を実行し、正常なコンポーネントでテストした後。 
  • network interface show の出力から、LIFの状態がAdmin upで動作状態がdownになっていることがわかります。

cluster1::> network interface show
       Logical   Status    Network            Current   Current  Is
Vserver    Interface  Admin/Oper Address/Mask          Node    Port   Home
----------- ---------- ---------- ------------------ ------------- ------- ----
cluster1
       NetApp_FCLIF_0e
            up/down  20:18:00:xx:xx:xx:xx:de    NetApp-03   1a    true

  • Link break detected Link Up  EMSログには次のようなエラーが記録されます。

Fri Mar 24 22:32:41 +0530 [xxxIMxxx-03: fct_tpd_work_thread_0: scsitarget.slifct.linkBreak:error]: Link break detected on Fibre Channel target HBA 2d with event status 1 , topology type 1, status1 0x0, status2 0x0.
Fri Mar 24 22:32:43 +0530 [xxxIMxxx-03: fct_tpd_work_thread_0: scsitarget.hwpfct.linkUp:notice]: Link up on Fibre Channel target adapter 2d.
Fri Mar 24 22:42:11 +0530 [xxxIMxxx-03: fct_tpd_work_thread_0: scsitarget.slifct.linkBreak:error]: Link break detected on Fibre Channel target HBA 2d with event status 1 , topology type 1, status1 0x0, status2 0x0.
Fri Mar 24 22:42:12 +0530 [xxxIMxxx-03: fct_tpd_work_thread_0: scsitarget.hwpfct.linkUp:notice]: Link up on Fibre Channel target adapter 2d.
Fri Mar 24 23:01:30 +0530 [xxxIMxxx-03: fct_tpd_work_thread_0: scsitarget.slifct.linkBreak:error]: Link break detected on Fibre Channel target HBA 2d with event status 1 , topology type 1, status1 0x0, status2 0x0.
Fri Mar 24 23:01:31 +0530 [xxxIMxxx-03: fct_tpd_work_thread_0: scsitarget.hwpfct.linkUp:notice]: Link up on Fibre Channel target adapter 2d.

  • IO WQE failure EMSログでそのポートのエラーも確認されました。

Wed Apr 12 08:31:43 -0600 [NetApp-03: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:1a IO WQE failure, Handle 0x0, Type 9, S_ID: 1xxx0, VPI: 4, OX_ID: 3668, Status 0x3 Ext_Status 0x1a  
Wed Apr 12 09:35:51 -0600 [NetApp-03: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:1a IO WQE failure, Handle 0x0, Type 8, S_ID: 1xxx0, VPI: 4, OX_ID: 3C7B, Status 0x3 Ext_Status 0x16  
Wed Apr 12 09:47:23 -0600 [NetApp-03: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:1a IO WQE failure, Handle 0x0, Type 8, S_ID: 1xxx0, VPI: 4, OX_ID: 4F5E, Status 0x3 Ext_Status 0x16  

  • AEN 0x8048 (RECV_ERROR) EMSログでそのポートについて確認された情報は次のとおりです。

Sun Apr 23 10:31:32  0000 [BDAFILERC01-01: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:0e AEN 0x8048 (RECV_ERROR) MboxStatus1 0x1100 MboxStatus2 0x41 Sun Apr 23 10:31:32  0000 [BDAFILERC01-01: fct_tpd_work_thread_0: scsitarget.fct.linkError:error]: FC target HBA: 2d received unexpected error: RECV_ERROR, AEN Status1: 0x8048, Status2: 0x1100, Status3: 0x41.

  • ポートの表示形式 Link disconnected 

slot 2: Fibre Channel Target Host Adapter 2d
                (Emulex LPe32000 (LPe32004) rev. 12, <LINK DISCONNECTED>)
                Board Name:        111-03xxx
                Serial Number:     FP1xxx1971
                Firmware rev:      12.4.3xx.0
                Host Port Addr:    00xx00
                FC Nodename:       50:0a:xx:xx:80:xx:xx:xx (500axxxx80xxxxxx)
                FC Portname:       50:0a:xx:xx:80:xx:xx:xx (500axxxx80xxxxxx)
                Connection:        No link
                Switch Port:       Unknown

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