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IO_PERF_IMPACT and IO_LATENCY_CLEAR events reported on E Ports

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

Applies to

Brocade Switches

Issue

  • IO_PERF_IMPACT and IO_LATENCY_CLEAR events reported on E Ports/ISL ports under errdump

2022/01/27-10:59:24:421723, [MAPS-1003], 883769/797720, SLOT 2 | FID 128, WARNING, NETM_X6_101_FAB1, slot10 port47, E-Port 10/47, Condition=ALL_PORTS(DEV_LATENCY_IMPACT==IO_PERF_IMPACT), Current Value:[DEV_LATENCY_IMPACT, IO_PERF_IMPACT, (10 ms Frame Delay) ], RuleName=defALL_PORTS_IO_PERF_IMPACT_UNQUAR, Dashboard Category=Fabric Performance Impact., raslogAction.c, line: 170, comp:md, ltime:2022/01/27-10:59:24:421570

2022/01/27-11:00:24:431158, [MAPS-1004], 883770/797721, SLOT 2 | FID 128, INFO, NETM_X6_101_FAB1, slot10 port47, E-Port 10/47, Condition=ALL_PORTS(DEV_LATENCY_IMPACT==IO_LATENCY_CLEAR), Current Value:[DEV_LATENCY_IMPACT, IO_LATENCY_CLEAR], RuleName=defALL_PORTS_IO_LATENCY_CLEAR, Dashboard Category=Fabric Performance Impact., raslogAction.c, line: 170, comp:md, ltime:2022/01/27-11:00:24:431005

 

  • Under errdump, could see events like link resets , DEV_LATENCY_IMPACT==IO_PERF_IMPACT warnings and Rules:defALL_PORTS_IO_PERF_IMPACT_UNQUAR and defALL_PORTS_IO_FRAME_LOSS_UNQUAR getting reported.

2022/05/24-00:30:46, [C4-1014], 2353020, SLOT 1 | CHASSIS, WARNING, CDVL_X6_91_F_3_03,  Link Reset on Port S3,P262(6) vc_no=0 crd(s)lost=4 auto trigger.
2022/06/05-05:10:04, [C4-1040], 2353589, SLOT 1 | CHASSIS, WARNING, CDVL_X6_91_F_3_03, Multi RDY/Frame Loss detected on Slot 3, Port 262(6) m_rdy(0x2)/m_frame(0x9). Link Reset done.

2022/06/05-03:13:06, [MAPS-1001], 2353587, SLOT 1 | FID 128, CRITICAL, CDVL_X6_91_FAB1, slot3 port38, E-Port 3/38, Condition=ALL_PORTS(DEV_LATENCY_IMPACT==IO_FRAME_LOSS), Current Value:[DEV_LATENCY_IMPACT, IO_FRAME_LOSS, (102 ms Frame Delay) ], RuleName=defALL_PORTS_IO_FRAME_LOSS_UNQUAR, Dashboard Category=Fabric Performance Impact.
2022/06/05-12:41:06, [MAPS-1003], 2353591, SLOT 1 | FID 128, WARNING, CDVL_X6_91_FAB1, slot3 port38, E-Port 3/38, Condition=ALL_PORTS(DEV_LATENCY_IMPACT==IO_PERF_IMPACT), Current Value:[DEV_LATENCY_IMPACT, IO_PERF_IMPACT, (55 ms Frame Delay) ], RuleName=defALL_PORTS_IO_PERF_IMPACT_UNQUAR, Dashboard Category=Fabric Performance Impact.
 

  • Latency reported on end device connected to Brocade switch.

  • Drops in frames/packets observed on ISL ports.

  • Rule-defALL_HOST_PORTSITW_21 triggered for F-Ports under errdump:

2022/10/12-14:00:38:727560, [MAPS-1003], 590039/549087, SLOT 2 | FID 128, WARNING, brocade, slot10 port27-Host.window.ALIAS:XX, F-Port 10/27, Condition=ALL_HOST_PORTS(ITW/min>21), Current Value:[ITW, 48099615 ITWs], RuleName=defALL_HOST_PORTSITW_21, Dashboard Category=Port Health., raslogAction.c, line: 170, comp:md, ltime:2022/10/12-14:00:38:727123
2022/10/12-14:00:38:727560, [MAPS-1003], 590039/549087, SLOT 2 | FID 128, WARNING, brocade, slot10 port27-Host.window.ALIAS:XX, F-Port 10/27, Condition=ALL_HOST_PORTS(ITW/min>21), Current Value:[ITW, 48099615 ITWs], RuleName=defALL_HOST_PORTSITW_21, Dashboard Category=Port Health., raslogAction.c, line: 170, comp:md, ltime:2022/10/12-14:00:38:727123

 

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