The QoSSIOC Settings tab in the NetApp Element Configuration extension point allows you to configure QoSSIOC settings that are used for quality of service (Element storage QoS) based on storage I/O control settings (SIOC) in vCenter. These credentials are required for the QoSSIOC service on the management node to communicate with vCenter. The QoSSIOC service monitors vCenter for VM activity on datastores. After configuring credentials, you can edit these settings to update credentials or clear these settings for a new management node.
QoSSIOC adjusts QoS values on standard Element volumes when virtual machine events occur, such as power on or power off events, guest restarts or shutdown, or reconfiguration activity. QoSSIOC is an optional feature and is not required for the plug-in to manage storage clusters.
QoSSIOC is available only with standard datastores. It does not work with virtual volumes (VVols).
For Linked Mode, the NetApp Element Plug-in for vCenter Server registers all vCenter Servers using the QoSSIOC settings you provide on a single vCenter Server.