PSOD observed on ESXi host due to VMFS file corruption

Products

• VMware vSphere ESXi

Issue/Introduction

Purple Screen of Death observed on ESXi host because of VMFS (Virtual Machine File System) file corruption.

The issue may occur during normal operation when a virtual machine (VM) or ESXi host attempts to access a corrupted VMFS volume.

yyyy-mm-ddT04:43:59.530Z cpu28:2108697 opID=aca302d0)WARNING: Fil3: 209: Unknown object type 0
yyyy-mm-ddT04:43:59.530Z cpu28:2108697 opID=aca302d0)WARNING: UserFile: 637: UserFileOpen: unexpected fstype: 0
yyyy-mm-ddT04:44:00.485Z cpu0:2097561)WARNING: Fil3: 10081: Found invalid object on XXXXXXXX-XXXXXX-XXXX-XXXXXXXXX <FD c0 r0> expected <FD c32 r1>
yyyy-mm-ddT04:44:00.485Z cpu0:2097561)WARNING: FS3: 608: VMFS volume <volume_name> on naa.XXXXXXXXXXXXXXXXX:1 has been detected corrupted

Environment

VMware ESXi 7.x

Cause

PSOD is observed post VMFS corruption. Below is the log evidence which shows the VMFS corruption.

yyyy-mm-ddT04:44:00.485Z cpu0:2097561)WARNING: FS3: 608: VMFS volume <volume_name> on naa.XXXXXXXXXXXXXXXXX:1 has been detected corrupted.

 

Resolution

Fix is in ESXi version 7.0U3v.