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在单个端口上收到 CRC 错误

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适用场景

  • FAS2552
  • SFP-H10GB-CU3M 直连铜缆( DAC )
  • 光纤扩展器( FEX )
  • Cisco Nexus 5000 交换机

问题描述

  • 存储每小时报告以下消息:

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

  • 这一点也反映在 IFstat 命令的输出中:

Cluster::> system node run -node <node name> -command ifstat

-- interface e0d (18 days, 14 hours, 50 minutes, 56 seconds) --

RECEIVE

Total frames: 924m | Frames/second: 575 | Total bytes: 3957g

Bytes/second: 2460k | Total errors: 8643k | Errors/minute: 322

Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 8209k

Non-primary u/c: 0 | CRC errors: 8643k | Runt frames: 0

Long frames: 0 | Length errors: 394 | Alignment errors: 0

No buffer: 0 | Pause: 0 | Jumbo: 517m

Noproto: 0 | Bus overruns: 0 | LRO segments: 20631m

LRO bytes: 2573g | 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

  • 将缆线从 FEX 移至 Nexus 交换机时,问题描述仍存在。
  • 将缆线从同一个 Nexus 交换机移动到另一个存储端端口时,问题描述将遵循以下说明。

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