RAID stands for Redundant Array of Independent Disks. It is a technology that combines multiple hard disks to store data. There are several ways also knows as RAID Levels to store data for performance and redundancy. It is more of a storage virtualization feature where in certain RAID Levels, the Operating Systems accesses multiple hard disks as one.
With various RAID Levels, multiple physical hard drives are used to divide and/or store data. The standard method of arranging data is also termed as level in RAID.
The most commonly used types of RAID array are:
To learn about the RAID type supported by your Dell PC, refer to the User Guide or User Manual of your Dell PC.
To learn more about how to view or download the User Guides & Manuals for your Dell product, refer to the Dell knowledge-base article Manuals and Documentation for your Dell Product.
Introduction to RAID Concepts - (1:27)
Understanding RAID Levels - (3:34)
Understanding RAID Parity - (1:40)