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Extreme Management Center Boot Failure - emergency mode / systemd: Failed to start Journal Service

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TitleExtreme Management Center Boot Failure - emergency mode / systemd: Failed to start Journal Service
Symptoms
An Extreme Management Center Ubuntu-based portfolio application has failed to boot and is indicating:
Welcome to emergency mode! After logging in, type "journalctl -xb" to view
system logs, "systemctl reboot" to reboot, "systemctl default" or ^D to
try again to boot into default mode.
Give root password for maintenance
(or press Control-D to continue): [<timevar>] systemd[1]: Failed to start Journal Service.
[<timevar>] systemd[1]: Failed to start Journal Service.
[<timevar>] systemd[1]: Failed to start Journal Service.
Environment
  • Extreme Management Center (XMC, formerly NetSight)
  • Extreme Control (NAC)
  • Extreme Analytics (purview)
  • Ubuntu
  • All Software Releases
Cause
A likely unrecoverable disk or virtual appliance corruption has occurred.
Resolution
While it may be possible to review the systemd journal and other log data to source the cause for emergency mode failure, Extreme does not recommend repairing systems experiencing this condition in the field.

Deploying a new virtual appliance and restoring from an available backup is the recommended recovery action at this time.
Additional notes

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