Use the esxcli command to verify the connection status of a particular storage device.
Install ESXCLI. See Getting Started with ESXCLI. For troubleshooting, run esxcli commands in the ESXi Shell.
- Run the esxcli storage core device list -d=device_ID command.
- Review the connection status in the Status: area.
- on - Device is connected.
- dead - Device has entered the APD state. The APD timer starts.
- dead timeout - The APD timeout has expired.
- not connected - Device is in the PDL state.