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Syncro CS 9286-8e Solution User Guide
March 2013
Chapter 4: System Administration
Updating the Syncro CS 9286-8e Controller Firmware
Figure 33 Expand Tree
6. Select the node for the planned failover.
4.2.2 Understanding Unplanned Failover
An unplanned failover might occur if the controller in one of the server nodes fails, or if the cable from one controller
node to the JBOD enclosure is accidentally disconnected. The Syncro CS 9286-8e solution is designed to automatically
switch to the other controller node when such an event occurs, without any disruption of access to the data on the
drive groups.
NOTE When the failed controller node returns, the management and I/O
paths of the pre-failover configurations are automatically restored.
4.3 Updating the Syncro CS 9286-8e Controller Firmware
Follow these steps to update the firmware on the Syncro CS 9286-8e controller board. You must perform the update
only on the controller node that is not currently accessing the drive groups.
NOTE Be sure that the version of firmware selected for the update is specified
for Syncro CS controllers. If you updating to a version of controller
firmware that does not support Syncro CS controllers, you will
experience a loss of HA-DAS functionality.
1. If necessary, perform a planned failover as described in the previous section to transfer control of the drive groups
to the other controller node.
2. Start the MSM utility on the controller node that does not currently own the cluster.
NOTE To determine which node currently owns the cluster in Windows
Server 2012, follow the steps in Section 4.2.1.2, Planned Failover in
Windows Server 2008 R2, up to step 3, where information about the
cluster disks is displayed in the center panel. The current owner of the
cluster is listed in the Owner Node column.
3. In the left panel of the MSM window, click the icon of the controller that requires an upgrade.
4. In the MSM window, select Go To > Controller > Update Controller Firmware.
5. Click Browse to locate the .rom update file.