What Does RAID 6 Mean?
RAID 6 is a type of RAID level that utilizes block-level striping and distributes two parity blocks on each disk within the array.
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It is considered an enhancement to RAID level 5, but adds an additional parity block on each disk in the array.
RAID 6 is also known as double-parity RAID.
Techopedia Explains RAID 6
RAID 6 primarily has the ability to continue operations even if it faces two concurrent disk failures. This is achieved through the dual parity block or drive in RAID 6 providing enhanced fault tolerance and enabling RAID operations to continue even if it encounters a failure. RAID 6 write operations are slower than RAID 5, as it has to write to an additional parity block. A RAID 6 configuration has a minimum of four drives.
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