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Mirroring Hard DriveMirroring hard drive is same what it sounds like. It is the process which involves data writing on two identical disks at the same time. The purpose is to prevent data loss i.e. if drive faces failure due to any cause, then other becomes ready to give data, which prevents data recovery requirement.
Hard drive mirroring is the prominent way to take data backup and thus can spell the difference between data loss and prevention for your Windows based server. RAID (Redundant Array of Independent Disks) offers the best way to accomplish the process. It starts from RAID 1 level and assures data existence till one disk is surviving. The process involves duplicating the same data on two different disks simultaneously.
Mirroring is the easiest way to achieve failure recovery and for complete data protection, this would be good to cut the capacity of RAID system in half. Another way to accomplish the process is to use RAID 5, which is a combination of three or more disks. One of these hard disks is purposed for data redundancy. The scheme offers better data access plus more data safety and so is most popular.
In the queue of mirroring systems, RAID 10 (0+1) is the next. The system uses striping and mirroring both. This is built of two arrays, out of them, one takes care of speed and other of redundancy. The exact phenomenon may vary, for example it may consist of two disks stripped and other two mirrored. However, the problem comes with the storage space in actual use, which is about half of the actual.
In any case of adopted RAID mirror solution, all what you get is data reliability and protection. For Windows based servers, this is the essential and popular method for data safety and backup.
