System shutdown/reboot

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If maintenance is needed on your IBM® Storage Defender Sentinel anomaly scan software system, you will first need to perform a shutdown. The Administration > System > Shutdown page lets you initiate a System Reboot or a System Halt. In each case, access becomes unavailable to the browser-based administrative and search interfaces, although you will regain access after the system restarts if you chose a System Reboot.
Note: All indexing is stopped while your anomaly scan software system reboots or halts. If an indexing job was running, it terminates and is marked incomplete. Whenever possible, it is best to reboot your engine when indexing will not be disrupted.
To shut down the engine:
  1. Go to Administration > System > Shutdown.
  2. Select a shutdown action from the Action list:
    Option Description
    System Reboot Reboots the system. Normal operation resumes when the reboot completes. Your anomaly scan software system does not normally need to be rebooted; instead, you may be asked to perform this action at the direction of IBM Storage Defender Sentinel Support personnel.
    System Halt Halts the system in preparation for power-off. If you need to perform hardware maintenance, use this option before turning off the power.
    Note: You may not see any feedback while the reboot progresses. If you resubmit a Reboot Now request, the system informs you that you do not have access to the requested page and directs you to Sign In again-you will be able to sign in once the reboot completes. Otherwise, if you click elsewhere on the page while a reboot is in progress, an "Unable to Connect" error appears. In this case as well, you will be able to sign in once the reboot completes.
  3. Next, from the When drop-down list, select when you want the action to be performed:
    Option Description
    Now Perform the selected action immediately, without delay. You should use this option only if you are certain that no one is accessing the engine at the console or via an SSH session.
    In 1 minute Perform the selected action with a one-minute delay. This option allows any console or SSH user sessions a chance to react to the shutdown request, possibly by cancelling it at the command line. This is the recommended delay. If the shutdown request is canceled by a console or SSH user, you will receive a shutdown cancelled message on the Administration page from which you submitted the request. In the absence of such a cancellation message, you can assume that shutdown is proceeding according to the selection options.
    In 5 minutes Similar to the 1-minute delay, but provides a little more time for users to react.
  4. Select Submit.