Maintenance Mode Overview
In Junos Space Network Management Platform, maintenance mode is a special mode that the administrator uses to perform database restore or debugging tasks while all nodes in the fabric are shut down and the Junos Space Platform Web proxy is running.
The Junos Space system goes into maintenance mode in the following cases:
Junos Space Platform goes down.
The system goes into maintenance mode when Junos Space Platform is down on all nodes in the fabric. Users attempting to log in when the system is in maintenance mode are redirected to the maintenance mode login page. Users who logged in to Junos Space Platform before the shutdown and attempt to perform an action on the user interface are also redirected to the maintenance mode login page.
An authorized Junos Space administrator initiates a restore operation from the Database Backup and Restore workspace to restore a database.
When a user initiates a restore operation, Junos Space Platform prompts the user to type a username and password to enter maintenance mode. After the user is authenticated, Junos Space Platform initiates the restore operation and the system remains in maintenance mode until the database is restored and the user exits maintenance mode.
An authorized Junos Space administrator upgrades the Junos Space Platform software.
When a user initiates a software upgrade, Junos Space Platform prompts the user to type a username and password to enter maintenance mode. After the user is authenticated, Junos Space Platform initiates the software upgrade and the system remains in maintenance mode until the upgrade is finished and the user exits maintenance mode.
When a user is authenticated to access Junos Space Platform in maintenance mode, the Maintenance Mode Options page displays the tasks that a user can perform in maintenance mode.
When a user exits maintenance mode, Junos Space Platform is restarted. After several minutes, the system returns to normal operational mode, and Junos Space users can log in to the user interface.
During startup, the startup page first displays a message indicating that Junos Space Platform is starting up and then displays a progress bar indicating the percentage of startup completed, the estimated time left for the Junos Space Platform to start, and a list of tasks to complete (with an indication of the current task being carried out). When a task is successfully completed, a message is displayed; if a task fails, an error message is displayed indicating why the task failed.
Maintenance Mode Access and System Locking
An authorized Junos Space administrator puts the system into maintenance mode by initiating a Restore operation.
Only one maintenance-mode administrator can access maintenance mode at a time. When an administrator logs in to maintenance mode, Junos Space Platform locks the page. When a second administrator attempts to log in to maintenance mode while the first administrator is logged in, Junos Space Platform displays a message indicating that another administrator is currently logged in to the system and that maintenance mode is locked. The maintenance mode lock is released when the first administrator logs out or the lock times out. If the logged-in administrator is inactive, the maintenance mode lock is released after five minutes during which another administrator can log in.
Maintenance-Mode User Administration
The username for the maintenance-mode administrator is 'maintenance'.
You can set the password for the maintenance-mode administrator through the Junos Space system console during the initial installation and configuration of a Junos Space Appliance or Junos Space Virtual Appliance.
A Junos Space administrator connects to a Junos Space Appliance that is already in maintenance mode by using the URL https://ip-address/maintenance, where ip-address is the Web-access IP address of the Junos Space Appliance.