集群端口上发生大量CRC错误

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适用场景

ONTAP 9
无交换机集群

问题描述

CRC错误会在使用的集群端口上计数多次 ifconfig:

-- interface e0b (232 days, 2 hours, 21 minutes, 3 seconds) --

EMS错误消息每小时持续提供以下输出：

Tue Dec 01 04:04:26 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch. Tue Dec 01 05:04:27 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch. Tue Dec 01 06:04:27 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch. Tue Dec 01 07:04:27 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch. Tue Dec 01 08:04:28 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch. Tue Dec 01 09:04:29 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.

即使单独更换HA配对控制器e0b端口之间的缆线、上述错误消息也不会停止。

::> event log show Time Node Severity Event ------------------- ---------------- ------------- --------------------------- 1/5/2021 15:11:21 node 2 ERROR netif.linkErrors: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicat e a duplex mismatch. 1/5/2021 14:54:52 node 1 EMERGENCY vifmgr.clus.linkdown: The cluster port e0b on node node 1 has gone down unexpectedly. 1/5/2021 14:54:52 node 2 EMERGENCY vifmgr.clus.linkdown: The cluster port e0b on node node 2 has gone down unexpectedly. 1/5/2021 14:11:20 node 2 ERROR netif.linkErrors: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch. 1/5/2021 13:11:20 node 2 ERROR netif.linkErrors: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch. 1/5/2021 12:11:19 node 2 ERROR netif.linkErrors: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch. Press <space> to page down, <return> for next line, or 'q' to quit... q 6 entries were displayed.

这是一种无交换机集群配置、目标e0b端口是将节点1 e0b作为集群LIF端口直接连接到节点2 e0b的端口。
更换缆线后、CRC错误计数继续增加、错误继续报告
连接到速度和双工的每个节点之间的端口没有差别、也不使用SFP等收发器。
交叉连接显示错误仍与端口有关、请勿随缆线一起出现。