# RAID

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RAID (Redundant Array of Independent Disks) combines two or more physical hard disks into a single logical unit. Hardware solutions are designed to present themselves to the attached system as a single hard drive, so that the operating system would be unaware of the technical workings.

The UltraWAVE R4S system adopts RAID 1 to mirror the contents of the disks, making a form of 1:1 ratio realtime backup. The contents of each disk in the array are identical to that of every other disk in the array. The RAID status displays the information and current status of each disks in the RAID array.

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