American Megatrends StorTrends User's guide Uživatelská příručka stáhnout pdf (Strana 118)

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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