Symptoms:
2024-07-25T18:00:36.102Z cpu35:2115960)WARNING: iodm: vmk_IodmEvent:194: vmhba1: FRAME DROP event has been observed 400 times in the last one minute. This suggests a problem with Fibre Channel link/switch!.
2024-07-25T18:00:56.271Z cpu34:2115856)WARNING: iodm: vmk_IodmEvent:194: vmhba1: FRAME DROP event has been observed 400 times in the last one minute. This suggests a problem with Fibre Channel link/switch!.
2024-07-25T18:00:56.862Z cpu32:2145125)WARNING: iodm: vmk_IodmEvent:194: vmhba2: FRAME DROP event has been observed 400 times in the last one minute. This suggests a problem with Fibre Channel link/switch!.
2024-07-25T18:03:28.973Z cpu2:2098292)ScsiDeviceIO: 4124: Cmd(0x45b981710948) 0x28, CmdSN 0x22a2 from world 2100337 to dev "naa.624a93######f4b840001" failed H:0x7 D:0x28 P:0x0
2024-07-25T18:03:28.973Z cpu6:2098268)ScsiDeviceIO: 4124: Cmd(0x45b9816c0e48) 0x28, CmdSN 0x22ac from world 2100337 to dev "naa.624a93######e00011ad2" failed H:0x7 D:0x28 P:0x0
2024-07-25T18:03:28.973Z cpu2:2098292)ScsiDeviceIO: 4124: Cmd(0x45b9c47ee788) 0x28, CmdSN 0x22a9 from world 2100337 to dev "naa.624a93######400011ad2" failed H:0x7 D:0x28 P:0x0
2024-07-25T11:01:03.333Z cpu10:2098284)WARNING: ScsiDeviceIO: 1513: Device naa.624a9370f0872ae3fbdf4b8400011ad4 performance has deteriorated. I/O latency increased from average value of 914 microseconds to 18292 microseconds.
2024-07-25T11:01:19.886Z cpu32:2098290)WARNING: ScsiDeviceIO: 1513: Device naa.624a9370f0872ae3fbdf4b8400011ad4 performance has deteriorated. I/O latency increased from average value of 914 microseconds to 36950 microseconds.
2024-07-25T11:02:02.393Z cpu0:2098288)WARNING: ScsiDeviceIO: 1513: Device naa.624a9370f0872ae3fbdf4b8400011ad4 performance has deteriorated. I/O latency increased from average value of 914 microseconds to 18407 microseconds.
esxcli storage san fc events get
VMware vSphere ESXi 7.0
VMware vSphere ESXi 8.0
As message states this indicates some problem on the physical fibre channel link or on the switch connected to this host.
FRAME DROP events suggests a possible connectivity issue or congestion. An erroneous FC Port can also lead to this issue.
Host Status [H:0x7] :- This status is returned when a device has been reset due to a Storage Initiator Error. This typically occurs due to an outdated HBA firmware or possibly (though rarely) as the result of a bad HBA.
For [H:0x7] ref - https://knowledge.broadcom.com/external/article/309543/understanding-scsi-hostside-nmp-errorsco.html