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由于集群端口/SFP连接错误、报告集群网络已降级警报

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适用场景

  • ONTAP 9
  • 集群网络

问题描述

  • 多次收到以下集群网络降级AutoSupport 通知:

HA Group Notification (CLUSTER NETWORK DEGRADED) ALERT

  • 除IFSTAT输出的"接收"部分所示的一个集群端口外、所有节点的集群端口上都报告了多个错误。
  • system health alert show您可能会在命令输出中看到集群交换机运行状况已降级
  • 存在多个错误的集群端口(可能会同时显示CRC错误、错误符号、非法符号等):

clustershell::>system node run -node <nodename> -command ifstat -a

-- interface e0b (219 days, 5 hours, 16 minutes, 2 seconds) --
RECEIVE
Frames/second:   2301  | Bytes/second:    3785k  | Errors/minute:      0
Discards/minute:   0  | Total frames:    154g  | Total bytes:      176t
Total errors:   43918| Total discards:    65  | Multi/broadcast:   4452k
No buffers:      0  | Non-primary u/c:    0  | L2 terminate:     14908
Tag drop:         0  | Vlan tag drop:     0  | Vlan untag drop:     0
Vlan forwards:    0  |CRC errors:      29328| Runt frames:       0
Fragment:         0  | Long frames:      65  | Jabber:         0
Error symbol:    29328  | Illegal symbol:   14590  | Bus overruns:      0
Queue drop:      0  | Xon:           0  | Xoff:          0
Jumbo:      5634k  | JMBuf RxFrames:   162g  | JMBuf DrvCopy:    27146

  • 单个集群端口无错误:

clustershell::>system node run -node <nodename> -command ifstat -a

-- interface e0b (219 days, 7 hours, 2 minutes, 24 seconds) --
RECEIVE
Frames/second:   1092  | Bytes/second:     950k  | Errors/minute:      0
Discards/minute:    0  | Total frames:    47631m  | Total bytes:      107t
Total errors:      0| Total discards:   1159  | Multi/broadcast:   4473k
No buffers:    1087  | Non-primary u/c:     0  | L2 terminate:       302
Tag drop:         0  | Vlan tag drop:      0  | Vlan untag drop:      0
Vlan forwards:    0  |CRC errors:       0| Runt frames:         0
Fragment:         0  | Long frames:      50  | Jabber:         0
Error symbol:       0  | Illegal symbol:     0  | Bus overruns:       22
Queue drop:      0  | Xon:           0  | Xoff:               0
Jumbo:      2769m  | JMBuf RxFrames:     0  | JMBuf DrvCopy:      0

  • 您可能会在EMS日志和生成的运行状况警报中看到以下消息

netif.linkErrors: Excessive link errors on network interface e2c. 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.

  • 可能会针对唯一节点端口的已连接交换机端口生成以下警报、但未收到CRC错误:

[?] Tue Nov 01 18:13:10 -0700 [node-01: mgwd: callhome.hm.alert.major:alert]: Call home for Health Monitor process cshm:ClusterIfInErrorsWarn_Alert[switch01(FOC123456789)/Ethernet1/9].

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