Acronis Disk Director 12 - User Guide - Manual (Page 80)

80 Copyright © Acronis International GmbH, 2002-2014
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Spanned volume (p. 77): Occupies two or more disks in arbitrarily-sized portions.
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Striped volume (p. 77): Occupies two or more disks in equally-sized portions. Can provide
faster data access.
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Mirrored volume (p. 75): Occupies two disks in two identical portions (mirrors).
Fault-tolerant.
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RAID-5 volume: Occupies three or more disks in equally-sized portions. Fault-tolerant.