Expand your NetApp HCI system
Expansion overview
You can expand your NetApp HCI system by using NetApp Hybrid Cloud Control. You
can expand storage or compute resources separately or expand them at the same time.
New and spare H610S storage nodes might have additional installation requirements based
on the existing Element software version of the storage cluster. Contact NetApp Support for
more information.
After installing the node in the NetApp HCI chassis, you use NetApp Hybrid Cloud Control to configure NetApp
HCI to use the new resources. NetApp HCI detects the existing network configuration and offers you
configuration options within the existing networks and VLANs, if any.
If you recently expanded your installation and the new assets were not added automatically
to your configuration, you might need to add the assets manually.
See Management node overview.
NetApp HCI uses VMware Enhanced vMotion Compatibility (EVC) to ensure vMotion functionality when there
are compute nodes with different CPU generations in the vSphere cluster. When EVC is required for
expansion, NetApp HCI enables it automatically whenever possible.
In the following situations, you might need to manually change EVC settings in the vSphere client to complete
expansion:
• The existing compute nodes have a newer CPU generation than the compute nodes you are trying to add.
• The controlling vCenter instance does not support the required EVC level.
• The compute nodes you are trying to add have an older CPU generation than the EVC setting of the
controlling vCenter instance.
When expanding NetApp HCI compute or storage resources in the NetApp Deployment
Engine, you should connect to the vCenter instance that manages your existing NetApp HCI
compute nodes.
Find more information
• Expand NetApp HCI compute resources
• Expand NetApp HCI storage resources
• Expand NetApp HCI storage and compute resources at the same time
• NetApp HCI Resources page
• NetApp Element Plug-in for vCenter Server
Expand NetApp HCI storage resources
After you finish NetApp HCI deployment, you can expand and configure NetApp HCI
storage resources by using NetApp Hybrid Cloud Control.
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