With Mender, you can manage large number of devices. It would be impractical to do it on a single device basis, hence we introduce the concept of device grouping. There are two types of groups: static and dynamic.
A static group contains a list of Device IDs. You can add devices to a static group in the UI or using the APIs.
Some considerations when working with static groups:
The following picture shows the devices view with three static groups defined:
A dynamic group does not contain a list of predefined Device IDs. It instead contains the definition of a filter that can match one or more devices, and the matched devices may change in the future as you accept new devices into Mender, or device attributes change and fulfill the filter criteria.
The following picture shows the definition of a filter that you can save as a dynamic group:
You can use device groups for more than just viewing purposes. Their primary function is to serve as the target of deployments.
Deployments to dynamic groups behave differently than deployments to static groups, see Deployment section for more information.
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