Datastore shows "0" MB

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• Datastore shows "0" MB under Hosts>Datastore

• Virtual machines under "vSphere UI>Hosts>VM" are inaccessible.

 

• User may not be able to unmount the datastore with above symptoms as the datastore may still be in use by the ESXi with active IO.

 

 

 

Environment

VMware vSphere ESXi 7.x

VMware vSphere ESXi 8.x

Cause

This issue is caused due to storage hardware issue.

Storage devices send the valid sense data indicating an aborted command due to internal target failure.

2025-06-24T04:04:59.667Z cpu25:2098384)ScsiDeviceIO: 4115: Cmd(0x45b9802cb888) 0x88, CmdSN 0x542713 from world 0 to dev "naa.#############################" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0xb 0x44 0x0

 

 

The Sense Key (0xb) and Additional Sense Data/ASC Qualifier (0x44/0x0) translates to:

---------------------------

0b: ABORTED COMMAND

44/00: INTERNAL TARGET FAILURE

DellEMC uses this status code for multiple different conditions:

Resolution

Engage storage vendor to investigate the issue further.