Datastore name showing as "Unknown" during Lost path redundancy Lost path redundancy events

Products

• VMware vCenter Server

Issue/Introduction

In certain situations, '[esx.problem.storage.redundancy.lost] Lost path redundancy to storage device' events in vobd.log may report 'Unknown' in relation to 'affected datastores':

2024-10-28T10:33:17.430Z In(14) vobd[2097718]  [scsiCorrelator] 3335786591747us: [vob.scsi.scsipath.pathstate.deadver2] scsiPath vmhba1:C0:T13:L0 changed state from on (device ID: naa.###################)
2024-10-28T10:33:17.430Z In(14) vobd[2097718]  [scsiCorrelator] 3336144341916us: [esx.problem.storage.redundancy.lost] Lost path redundancy to storage device naa.###################. Path vmhba1:C0:T13:L0 is down. Affected datastores: Unknown.
2024-10-28T10:33:17.430Z In(14) vobd[2097718]  [scsiCorrelator] 3335786591843us: [vob.scsi.scsipath.remove] Remove path: vmhba1:C0:T13:L0
2024-10-28T10:33:17.431Z In(14) vobd[2097718]  [scsiCorrelator] 3335786593190us: [vob.scsi.scsipath.pathstate.deadver2] scsiPath vmhba1:C0:T13:L1 changed state from on (device ID: naa.###################)
2024-10-28T10:33:17.431Z In(14) vobd[2097718]  [scsiCorrelator] 3336144342771us: [esx.problem.storage.redundancy.lost] Lost path redundancy to storage device naa.###################. Path vmhba1:C0:T13:L1 is down. Affected datastores: Unknown.

This may affect reporting in vCenter UI for said events, (as vCenter does obtain datastore's unique identifier from same source: (VMkernel Observations (VOB)), and in turn it can affect other reporting tools as Aria for example.

Environment

ESXi 8.x

Cause

Issue is caused by incorrect permissions for ioctl and read operations by storage VOB correlators.

Resolution

The fix for this issue is scheduled to be released in ESXi 8.0.3.0 P05.