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クラスタネットワークデグレード:CRCエラーが検出されました

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Category:
ontap-9
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hw
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環境

  • ONTAP 9
  • FAS / AFF システム
  • Broadcom BES-53248クラスタスイッチ

問題

  • スイッチ1に接続されたノード1、2、3、4のクラスタポートe0aのクラスタネットワークデグレードアラート。

[Node-01: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: CRC Errors Detected - High CRC errors detected on port e0a node Node-01

[Node-02: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: CRC Errors Detected - High CRC errors detected on port e0a node Node-02

  • ifstat 出力にCRCエラーが表示されます。

RECEIVE
 Total frames:   96528m | Frames/second:   7110  | Total bytes:     484t
 Bytes/second:   35692k | Total errors:   33617k | Errors/minute:    149
 Total discards:    0  | Discards/minute:    0  | Multi/broadcast: 35072k
 Non-primary u/c:    0  | CRC errors:    33612k | Runt frames:      0

RECEIVE
 Total frames:    181g | Frames/second:   13425  | Total bytes:    1281t
 Bytes/second:   94839k | Total errors:    2837k | Errors/minute:    13
 Total discards:    0  | Discards/minute:    0  | Multi/broadcast: 34917k

  • スイッチのログには、ポート0/3でRXエラーが記録されています。

(switch-sw1)#show interface counters

Port        InOctets    InUcastPkts    InMcastPkts    InBcastPkts     InDropPkts      Rx Error
--------- ---------------- ---------------- ---------------- ---------------- ---------------- ----------------
0/1     320472453420225    81458022930       686432       480451        6914         0
0/2     269864351312312    95015675213       686546       479365        7266         0
0/3     460585702841618    90372609823       685763       483814       664750     96081070 <---------
0/4     395263358211170    74120001967       686438       483028       10770         0

  • 問題を軽減するために、スイッチの使用可能な別のポートに接続を移動

 

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