Disk Mirroring


  • When files are stored on a computer system’s hard disk, a “mirror” copy is made on an additional hard disk or a separate part of the same disk to safeguard information in case of disaster.  1
  • A method of data backup that copies or “mirrors” each saved file on a hard disk onto a second hard disk.  2


  1. Vinson & Elkins LLP Practice Support, EDD Glossary.
  2. Legal Electronic Document Institute, Basic Principles of Automated Litigation Support (2005).
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