The Active FSM Node Restarts and DeviceManager Cannot Be Logged In During an Upgrade

Problem Symptom

During an upgrade, the active FSM node restarts and you cannot log in to DeviceManager.

Problem Diagnosis

1. Logging in to DeviceManager fails, and a message is displayed indicating that the website cannot be accessed.

Causes

During an upgrade, active/standby HA switchover is not allowed. When the active FSM node restarts, you cannot log in to DeviceManager.

Solution

1. Log in to DeviceManager after the active FSM node is successfully restarted.

Check After Recovery

Log in to DeviceManager and either of the following situations occurs:

1. The upgrade resumes automatically.

2. If the upgrade fails, click Retry.

Suggestion and Summary

N/A

Applicable Versions

All