NS0-157 · Question #82
What is true about a node root volume?
The correct answer is A. There is a root volume on every node in a cluster. Every node in an ONTAP cluster has its own dedicated root volume that stores node-specific configuration and boot information.
Question
What is true about a node root volume?
Options
- AThere is a root volume on every node in a cluster.
- BIt is the root of a data SVM's namespace.
- CYou can use vol move to move it to an aggregate on a different node.
- DIt is the most secure place to store critical user data.
How the community answered
(25 responses)- A88% (22)
- B4% (1)
- C8% (2)
Why each option
Every node in an ONTAP cluster has its own dedicated root volume that stores node-specific configuration and boot information.
In an ONTAP cluster, each node maintains its own root volume on its local storage, which contains the node's configuration files, log files, and core files - this is a per-node requirement and not shared across nodes.
The root of a data SVM's namespace is the SVM root volume, not the node root volume - these are separate constructs serving different purposes.
The node root volume cannot be relocated using 'vol move' to an aggregate on a different node because it is tied to the node it resides on and is required for that node to boot and operate.
The node root volume is reserved for system and configuration data and is explicitly not recommended for storing user or application data.
Concept tested: ONTAP node root volume purpose and constraints
Source: https://docs.netapp.com/us-en/ontap/concepts/root-data-partitioning-concept.html
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