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NIC ポートで増加するエラーシンボルと不正なシンボルカウント

環境

  • FAS/AFF
  • ネットワークポート
  • ONTAP 9.2 以降が必要です。

問題

  • EMS メッセージで CRC エラーが報告されました。

[node_name: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port e0g on node node_name is reporting a high number of observed hardware errors, possibly CRC errors.

  • ifstat -aNICポートの出力で、CRCエラーとともにエラーや不正シンボル数が増加していることが確認されました。

::> system node run -node <node_name> -command ifstat <port_name>
   -- interface  e0g  (123 days, 4 hours, 5 minutes, 6 seconds) --
   RECEIVE
   Total frames:    117g | Frames/second:   1798  | Total bytes:     175t
   Bytes/second:    2680k | Total errors:    1538k | Errors/minute:     1
    Total discards:    0  | Discards/minute:    0  | Multi/broadcast: 31222k
   Non-primary u/c:    0  | CRC errors:    1522k | Runt frames:      0
    Fragment:      1107  | Long frames:      0  | Jabber:        0
    Length errors:    96  | No buffer:       0  | Xon:          0
    Xoff:         0  | Pause:         0  | Jumbo:         0
    Noproto:        0  | Error symbol:   1234  | Illegal symbol:   5678
   ...

 

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