RAID 5 – It is based on the Parity mechanism and requires at least three disks. However, writing the same data on different drives slows down the process. RAID 1 – It follows the Mirroring mechanism, meaning data on the blocks are copied and replicated to multiple drives. This RAID level can work with two hard drives. RAID 0 – It follows the Striping mechanism to store data, meaning the data is split into block sizes written across the disks, thereby allowing quick read/write functions. However, the most popular ones are RAID 0, RAID 5, RAID 6, and Nested RAID including RAID 10, 50, and 60. There are multiple RAID levels available. Some of them deliver better fault tolerance than others because of the data storage mechanisms on which they’re built. All RAID levels are based on unique data storage mechanisms, including Mirroring, Striping, and Parity. This data storage virtualization technology consists of several levels, called RAID levels, ranging from RAID 0 to RAID 60. The Redundant Array of Independent Disks or RAID is a set of multiple hard disks that act as one logical unit for delivering improved performance, better data security against drive failure, and higher storage capacity. Let’s find out how these drives are fundamentally different from each other and how you can benefit from them. These storage drives have their list of advantages and differences. However, many users are also seeking RAID and NAS drives as preferred storage technologies for their broader data storage needs. While storing or backing up data, many of us rely on external storage drives, such as HDDs, SSDs, USB drives, etc.
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