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C3 timeouts and uncorrectable errors seen at Brocade switch connected to ESXi host

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Applies to

  • Brocade
  • VMware ESXI

Issue

  • Brocade switch is seeing c3 timeout TX and uncorrectable errors on single port connected to ESXi host.

    frames      enc   crc    crc    too    too    bad    enc   disc   link   loss   loss   frjt   fbsy  c3timeout    pcs
    tx     rx   in    err    g_eof  shrt   long   eof     out   c3    fail    sync   sig                 tx    rx    err
20: 1.3g 397.0m   0      0      0      0      0      0      0   5.9k   0      0      0      0      0     5.9k   0      0

  • Host is currently marked as slow drain

 

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