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ケーブルの緩み/故障により、Brocade FCポートが「No_Sync」状態になります

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fabric-interconnect-and-management-switches<a>2009452218</a>
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環境

  • Brocade FC スイッチ
  • Fabric OS ( FOS )

問題

  • Brocadeファイバチャネルポートが存在No_syncDisabledswitchshowし、出力中の状態: 

/fabos/bin/switchshow :
Index Slot Port Address Media  Speed        State    Proto
============================================================

228 11 20 6be400 id N32 No_Sync FC Disabled (Port Throttled)

 

  • Porterrshowは、link failおよびlose_syncエラーを報告します。

/fabos/cliexec/porterrshow :
      frames     enc    crc    crc    too    too    bad    enc   disc   link  loss  loss   frjt   fbsy    c3timeout    pcs    uncor
     tx     rx    in    err    g_eof   shrt   long   eof    out   c3    fail  sync  sig            tx    rx    err    err
228:   10.5g   16.2g    0       0       0       0       0       0       0       0      14     15      0       0       0       0       0       0       0

 

  • sfpshowでは、Rx電力が低いことが報告されます。

=============
Slot  4/Port  24:
=============

RX Power:   -20.2   dBm (9.6  uW)
TX Power:   -0.6   dBm (879.9 uW)

 

  • Fabriclogの出力でリンク障害が報告されました:
Switch 0; Sun Jan 29 12:04:25 2023 IST (GMT+5:30) 12:04:25.839042 SCN Port Offline;rsn=0x3,g=0xc44 D2,P0 D2,P0 228 NA 12:04:25.839049 *Removing all nodes from port D2,P0 D2,P0 228 NA 22:21:42.632387 SCN LR_PORT(0);g=0xc44 D2,P0 D2,P0 228 NA 22:21:42.666236 SCN Port Online; g=0xc44,isolated=0 D2,P0 D2,P1 228 NA 22:21:42.666376 Port Elp engaged D2,P1 D2,P0 228 NA 22:21:42.666389 *Removing all nodes from port D2,P0 D2,P0 228 NA 22:21:42.666643 SCN Port F_PORT D2,P1 D2,P0 228 NA 22:27:49.180108 SCN Port Offline;rsn=0x10004,g=0xc46 D2,P0 D2,P0 228 NA 22:27:49.180115 *Removing all nodes from port D2,P0 D2,P0 228 NA 22:29:29.082525 SCN LR_PORT(0);g=0xc46 D2,P0 D2,P0 228 NA 22:29:29.114287 SCN Port Online; g=0xc46,isolated=0 D2,P0 D2,P1 228 NA 22:29:29.114347 Port Elp engaged D2,P1 D2,P0 228 NA 22:29:29.114358 *Removing all nodes from port D2,P0 D2,P0 228 NA 22:29:29.114583 SCN Port F_PORT D2,P1 D2,P0 228 NA
  • スイッチの端のSFP TxおよびRx電源が推奨範囲内にあることを確認します。

  • Low Rx Powerは、スイッチへの問題 アップストリーム、ケーブルおよびエンドデバイスSFPを含むハードウェアの障害を示します。

 

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