Chapter A. Glossary
248 3ware Serial ATA RAID Controller User Guide
• Unit. A logical unit of storage, which the operating system treats as a
single drive. A unit may consist of a single drive or several drives. Also
known as an array.
•
Verify. A process that confirms the validity of the redundant data in a
redundant unit. For a RAID 1 and RAID 10 unit, a verify will compare the
data of one mirror with the other. For RAID 5 and RAID 50, a verify will
calculate RAID 5 parity and compare it to what is written on the disk
drive.
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