Chapter 7 Administrative Procedures
© 2017 Harmonic Inc. All rights reserved. 213 Harmonic MediaGrid Release 4.1
Powering Down a Harmonic MediaGrid System
You can upgrade multiple controllers from different ContentServers in parallel by selecting
one controller from each of the ContentServers you wish to upgrade.
b. Once the firmware has been downloaded to the controller(s), return to the Controllers
section of the Upgrade Firmware page. Select each of the controllers that were
upgraded and click Reboot Controllers. The updated firmware version displays when the
reboot is complete.
c. Select the second controller for each of the ContentServers you are upgrading by clicking
in the
Select column for the corresponding controller and then clicking Upgrade
Controllers
.
d. Select each of the controllers that were upgraded and click Reboot Controllers. The
updated firmware version displays when the reboot is complete.
e. Once you have upgraded both controllers on a ContentServer, Harmonic recommends
that you balance the ContentServer. For details, refer to Balancing the ContentServer
Controllers.
13. Upgrade the firmware for the ContentBridge or High Bandwidth ContentBridge in your
system:
For ContentBridges: in the ContentBridges section, click in the Select column to specify one
or more unit(s) for upgrade, and then click
Reboot ContentBridges to load the latest version
of the firmware on each ContentBridge.
For High Bandwidth ContentBridges: in the High Bandwidth ContentBridges section, select
one or more unit(s) for upgrade, and then click
Upgrade High Bandwidth ContentBridges.
NOTE: If you are upgrading from Harmonic MediaGrid version 3.1 or later, the High Bandwidth
ContentBridge will restart automatically once the upgrade is complete. If you are upgrading from a version
prior to 3.1 or later, you must manually restart the High Bandwidth ContentBridge. Make sure to wait at
least 15 minutes after upgrading before you restart. To restart, click the link in the Name column to
navigate to the Properties page, and then click Reboot.
This completes the firmware upgrade process for a Harmonic MediaGrid.
Powering Down a Harmonic MediaGrid System
IMPORTANT: The following instructions only apply for systems running both SystemManager version
5.10 or later and Harmonic MediaGrid version 2.1SR3 or later. If your version of SystemManager is earlier
than 5.10 or if your version of Harmonic MediaGrid is earlier than 2.1SR3, refer to the version of the
Harmonic MediaGrid Installation and Configuration Guide that accompanies your software.
Use the following steps to safely power down the Harmonic MediaGrid system. Only perform the
following steps if directed by Technical Support. Refer to Powering On a Harmonic MediaGrid System
for the procedures to power on a Harmonic MediaGrid system.
To power down a Harmonic MediaGrid system:
1. In SystemManager, click the
Configuration tab and then click the Servers & Switches icon in
the left-hand column to access the
Servers & Switches page.
2. Click the link for the Cluster that you wish to shut down. The
Cluster Properties page appears.
3. From the
Cluster Properties page, in the Shutdown cluster section, click Shutdown all
ContentDirectors in a Cluster
(see Figure 7–3).
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