About iSCSI problem

[ISDOOD]

In My ESXI6.5 log have a lot of Failed this message,who can help me,thanks!

ScsiDeviceIO: 2948: Cmd(0x439500693bc0) 0x1a, CmdSN 0xce from world 67470 to dev "naa.600507604081f7e81842492942afd8d2" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x5 0x24 0x0；NMP: nmp_ThrottleLogForDevice:3617: Cmd 0x2a (0x4395006f1cc0, 65551) to dev "naa.6006016097302f0074ab6ad6cd22e411" on path "vmhba3:C0:T3:L9" Failed: H:0x0 D:0x2 P:0x0 Valid sense data: 0x6 0x2a 0x6. Act:FAILOVER；

[vijayrana968]

These are scsi path failover events. check the disk latency per vm on this device with esxtop.

SCSI events that can trigger ESX server to fail a LUN over to another path (1003433) | VMware KB

ALUA parameters in the output of ESX/ESXi 4.x and ESXi 5.x commands (1022030) | VMware KB

[Nick_Andreev]

If all errors point to the same path vmhba3:C0:T3:L9, also make sure you don't have a damaged cable or a faulty transceiver in the switch.