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Latency reported on ESXi hosts connected to switch due to F-Ports running at different speeds

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Category:
fabric-interconnect-and-management-switches
Specialty:
brocade
Last Updated:

Applies to

  • Brocade switch
  • ESXi host

Issue

  • Latency reported on ESXi hosts that are connected to Brocade switch
  • From the errdump logs, we could see that rules - defRD_1stDATA_TIME_11000, defRD_STATUS_TIME_12000, defWR_1stXFER_RDY_11000 and defWR_STATUS_TIME_12000 being triggered for flow monitoring

2022/12/01-19:07:48, [MAPS-1005], 260224, SLOT 1 | FID 128, WARNING, NETM_X6_xx_xx, Flow (SID=0x675440,DID=0x67dbc0,Host Port=10/4), Condition=sys_flow_monitor(RD_1stDATA_TIME/10SEC>11000), Current Value:[RD_1stDATA_TIME, 24210 Microseconds], Rule defRD_1stDATA_TIME_11000 triggered 65 times in 10 min and last trigger time Thu Dec  1 19:07:48 2022, Dashboard Category=IO Latency.
2022/12/01-19:07:48, [MAPS-1005], 260225, SLOT 1 | FID 128, WARNING, NETM_X6_xx_xx, Flow (SID=0x675440,DID=0x67dbc0,Host Port=10/4), Condition=sys_flow_monitor(RD_STATUS_TIME/10SEC>12000), Current Value:[RD_STATUS_TIME, 24634 Microseconds], Rule defRD_STATUS_TIME_12000 triggered 65 times in 10 min and last trigger time Thu Dec  1 19:07:48 2022, Dashboard Category=IO Latency.
2022/12/01-21:20:12, [MAPS-1003], 676299, SLOT 1 | FID 128, WARNING, NETM_X6_xx_xx, Flow (SID=0x684440,DID=0x666840,Host Port=9/4), Condition=sys_flow_monitor(WR_1stXFER_RDY/10SEC>11000), Current Value:[WR_1stXFER_RDY, 13350 Microseconds], RuleName=defWR_1stXFER_RDY_11000, Dashboard Category=IO Latency.
2022/12/01-21:20:12, [MAPS-1003], 676300, SLOT 1 | FID 128, WARNING, NETM_X6_xx_xx, Flow (SID=0x684440,DID=0x666840,Host Port=9/4), Condition=sys_flow_monitor(WR_STATUS_TIME/10SEC>12000), Current Value:[WR_STATUS_TIME, 13759 Microseconds], RuleName=defWR_STATUS_TIME_12000, Dashboard Category=IO Latency.

 

 

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