"You are in emergency mode" message appears on platform node, ubuntu fails to boot in VCF Operations for Networks appliance

Products

• VCF Operations for Networks

Issue/Introduction

When a VCF Operations for Networks appliance based on Ubuntu fails to boot, the user may see the message:

You are in emergency mode. After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, "systemctl default" or "exit" to boot into default mode. Give root password for maintenance.

The screenshot below shows the full context:

2. Issue is seen after additional disc were added to the node to increase brick size from vCenter.

 

Environment

Aria Operations for Networks 6.13.0
Aria Operations for Networks 6.14.0
Aria Operations for Networks 6.14.1

 

Cause

This issue is usually due to files being marked as corrupt or inaccessible.
This issue can also occur during auto expansion of LVM disks and the fail to  mounted the file system due to LVM going   corrupt or inaccessible.

Resolution

If you encounter this issue, open a support case with Broadcom Support to repair your Aria Operations for Networks deployment. For more information, see Creating and managing Broadcom support cases.