To understand the concepts in this document, you might need to know how certain terms are used.
- LUN (logical unit number)
- Refers to a logical unit of storage identified by a number.
- native disk
- Refers to a disk that is sold as local storage for storage systems that run Data ONTAP software.
- native disk shelf
- Refers to a disk shelf that is sold as local storage for storage systems that run Data ONTAP software.
- storage controller
- Refers to the component of a storage system that runs the Data ONTAP operating system and controls its disk subsystem. Storage controllers are also sometimes called controllers, storage appliances, appliances, storage engines, heads, CPU modules, or controller modules.
- storage system
- Refers to the hardware device running Data ONTAP that receives data from and sends data to native disk shelves, third-party storage, or both. Storage systems that run Data ONTAP are sometimes referred to as filers, appliances, storage appliances, V-Series systems, or systems.
