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<title>mirror role (glossary)</title>

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<h2>mirror role</h2>

<p>The role assigned to the two physical drives that a RAID controller
  uses to create a RAID level-1 logical device. When the logical drive is created,
  data is copied from the primary physical drive to the secondary physical drive.
  Any data on the secondary drive is destroyed.</p>

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<p align="right">x-0592-HSM-00-03-EN </p>

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