The storage resources in ONTAP can be broadly classified into physical storage resources and logical storage resources. To effectively manage your ONTAP systems using the APIs provided in Active IQ Unified Manager, you must understand the storage resource model and the relationship between various storage resources.
Logical storage resources include volumes of all types and qtrees, as well as the capabilities and configurations you can use with these resources, such as Snapshot copies, deduplication, compression, and quotas.
The following illustration shows the storage resources in a 2-node cluster: