Buffalo HD-QLU3R5 User Manual page 15

■ RAID 1 Mode (Enables secure storage of data)
Drives are combined into mirrored pairs. Total usable space is the capacity of two individual drives. All
data is written to two drives simultaneously. If either drive in a pair fails, all data can be recovered by
replacing the drive. However, if both drives in a pair fail, then data will not be recoverable.
• Example of Hard Drive Configuration
Configuration using HD-QL4TU3R5: Recognized as 2 TB (1 TB×2) hard drive
Data
①②③④
⑤⑥⑦⑧
Data is always copied
to two different drives
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HD-QLU3 User Manual
Data is mirrored to
two different hard
drives.
Data
①②③④
Data
①②③④
Data
⑤⑥⑦⑧
Data
⑤⑥⑦⑧