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RAID 1 (Mirrored RAID)
Last edited by anonymous on January 7, 2011
RAID 1, also know as mirrored RAID will increase data integrity, but requires two drives of the same size. RAID 1 makes an exact copy of a hard drive therefore using 50% of the total storage for redundancy. For example, if a user has two 500GB hard drives making their array 1TB they will have 500GB of actual storage. In most RAID setups, RAID 1 will increase the the read speed but will slightly decrease the write speed.
