"Host storage status" Alarm triggered on ESXi host

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• ESXi host might report an alarm "Host storage status" as seen below:

Validation:

• In the /var/log/vmkernel.log file of the ESXi host  medium errors are reported from the storage device (LUN) as shown below:

2025-03-23T20:42:44.699Z cpu39:2098058)WARNING: HPP: HppThrottleLogForDevice:1144: Error status H:0x0 D:0x2 P:0x0 Valid sense data: 0x3 0x11 0x0. hppAction = 1
2025-03-23T20:42:44.699Z cpu39:2098058)ScsiDeviceIO: 4167: Cmd(0x45e98823cf88) 0x28, CmdSN 0x21ef4 from world 2100495 to dev "naa.##########################" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x3 0x11 0x0 Medium Error, LBA: 15521920
2025-03-23T22:49:30.273Z cpu36:2098050)WARNING: HPP: HppThrottleLogForDevice:1144: Error status H:0x0 D:0x2 P:0x0 Valid sense data: 0x3 0x11 0x0. hppAction = 1
2025-03-23T22:49:30.273Z cpu36:2098050)ScsiDeviceIO: 4167: Cmd(0x45e9882c5388) 0x28, CmdSN 0x223a4 from world 2100495 to dev "naa.##########################" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0x3 0x11 0x0 Medium Error, LBA: 15519872

This scsi code  H:0x0 D:0x2 P:0x0 Valid sense data: 0x3 0x11 0x0 is returned from the Storage device.
0x28 is the read command issued by the initiator on the host to the Lun is failing.Refer to this link : VMware ESXi SCSI Sense Code Decoder

Environment

VMware vSphere ESXi 7.0.x

VMware vSphere ESXi 8.0.x

 

Cause

Medium errors reported from the LUN indicate that the storage device is encountering hardware-level read/write issues on the disk 

Resolution

Engage the storage vendor to investigate and address the hardware issues on the affected LUN.

Additional Information

Alert on ESXi Host - Host Storage Status - Hardware Health