Data store unavailable during fabric maintenance

Products

• VMware vSphere ESXi

Issue/Introduction

• ESXi lost connection to storage.
  
  
• Lun accessibility is lost during maintenance of fabric interconnects.
  
  

  2025-05-21T04:16:43.938Z In(182) vmkernel: cpu15:2098030)StorageApdHandlerEv: 106: Device or filesystem with identifier [naa.################################] has entered the All Paths Down state.
  2025-05-21T04:16:43.938Z In(182) vmkernel: cpu15:2098030)StorageApdHandlerEv: 106: Device or filesystem with identifier [naa.################################] has entered the All Paths Down state.

  
  
  
  

Environment

vSphere ESXi

Cause

Fabric interconnects were rebooted leading to paths go down and marking devices as APD(All paths down)

Resolution

Reboot SAN switches.

Additional Information

Refer APD condition under LINK