American Megatrends StorTrends User's guide Guía de usuario Pagina 118

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StorTrends® NAS Software (Version 2.2) User’s Guide
108
RAID 1
RAID 1 duplicates all data from one hard disk drive to a second hard disk drive. RAID 1
provides complete data redundancy, but at the cost of doubling the required data storage
capacity.
Point Description
uses Use RAID 1 for small databases or any other environment that requires fault tolerance but small
capacity.
strong points RAID 1 provides complete data redundancy. RAID 1 is ideal for any application that requires
fault tolerance and minimal capacity.
weak points RAID 1 requires twice as many hard disk drives. Performance is impaired during hard disk drive
rebuilds.
hard disk drives Two hard disk drives
Segment One
Segment Two
Segment Three
Segment Four
Segment One Duplicated
Segment Two Duplicated
Segment Three Duplicated
Segment Four Duplicated
Hard Disk Drive
One
Hard Disk Drive
Two
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