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単一の NIC ポートで CRC エラーが発生しました

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312
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Category:
fas-systems
Specialty:
hw
Last Updated:

のしんだ

環境

  • ONTAP 9
  • FAS / AFF システム
  • 1 つのポートで CRC エラーが報告される

問題

  • ポートが属している 1 つの物理ポートまたは Ifgroup またはその両方で CRC エラーが報告される EMS メッセージ:

4/16/2021 13:07:49  node_name ALERT vifmgr.cluscheck.crcerrors: Port a0b on node node_name is reporting a high number of observed hardware errors, possibly CRC errors.
4/16/2021 13:07:49  node_name ALERT vifmgr.cluscheck.crcerrors: Port e0d on node node_name is reporting a high number of observed hardware errors, possibly CRC errors.

  • ifstat を入力すると出力さ例:

RECEIVE
 Total frames:   36418m  | Frames/second:   23646  | Total bytes:       179t
 Bytes/second:      116m | Total errors:      170k | Errors/minute:    7
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:  1686k
 Non-primary u/c:     0  | CRC errors:       159k | Long frames:      0
 Jabber:          10471  | Length errors:       0  | No buffer:           0
 Pause:               0  | Jumbo: 24075m           | Error symbol:        0
 Bus overruns:        0  | LRO segments:    18749m | LRO bytes:         178t
 LRO6 segments:       0  | LRO6 bytes:          0  | Bad UDP cksum:       0
 Bad UDP6 cksum:      0  | Bad TCP cksum:       0  | Bad TCP6 cksum:      0
 Mcast v6 solicit:    0

  • ノード側で ifstat を選択した場合、問題はケーブル / SFP の再配置後もクリアされます。

 

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