Administrator Guide

Table Of Contents
While the NAS cluster is in maintenance mode, all client connections to the NAS controllers are stopped and no new connections can
be made. Put the NAS cluster into maintenance mode when you:
Move the NAS hardware to a dierent location.
Change the PS Series group IP address because of:
Network changes in your environment
A new conguration, such as adding a management network to the group
Perform maintenance or infrastructure work.
Want to isolate the system in order to address specic issues, such as:
Analyze attack attempts
Resolve trac issues
When you have completed any of these tasks in maintenance mode, set the NAS cluster back to normal mode.
Set a NAS Cluster to Maintenance Mode
1. Click Group, expand Group Conguration, and then select the NAS cluster.
2. In the Activities panel, click Enter Maintenance Mode.
3. Conrm the operation.
While the cluster is changing to maintenance mode, the Activities link for Enter maintenance mode becomes dimmed and the
cluster status reports Transitioning to maintenance. When the transition is complete, the Activities link changes to Enter
normal mode
.
Resume Normal Cluster Operation
1. Click Group, expand Group Conguration, and then select the NAS cluster.
2. Click Enter normal mode.
Shut Down and Restart a NAS Cluster Manually
In rare circumstances, you might need to shut down a NAS cluster. For example, you might need to shut down the cluster if you are
moving the NAS hardware to a dierent location.
To shut down a NAS cluster:
1. Inform clients that the NAS cluster will be unavailable for some time.
2. Put the NAS cluster into maintenance mode.
3. Use the Group Manager GUI to identify the service tag identication numbers for the controller pair.
4. See your hardware documentation to:
a. Determine how to nd the service tag information for a specic NAS appliance. This number might be in the controller
rmware (software accessible) or on a physical label or tag on the NAS appliance chassis.
b. Find the instructions for shutting down a NAS controller.
5. Power o each NAS controller in turn. See one of the following manuals:
Dell Equallogic FS7500 Series Appliances Hardware Owner’s Manual
Dell Equallogic FS7600 Series Appliances Hardware Owner’s Manual
Dell Equallogic FS7610 Series Appliances Hardware Owner’s Manual
To restart NAS cluster operation after you reinstall the hardware:
1. See your hardware documentation to nd the instructions for applying power to a NAS controller.
2. Apply power to each NAS controller used in the NAS cluster.
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NAS Cluster Operations