LaCie 4TB 2big USB 3.0 Manual de usuario descargar pdf (Pagina 16)

LaCie 2big USB 3.0 • DESIGN BY NEIL POULTON RAID

User Manual page 16

3.1.3. RAID 1 (SAFE - Data protection)

In RAID 1, the two physical disks are mirrored together so that one

single logical volume mounts on the desktop. Please note that the

combined storage will not exceed the available capacity of the

lowest-capacity single disk.

All data is saved simultaneously on each disk (Fig. 12). If one

physical disk fails, the data is available immediately on the second

disk. No data is lost if one disk fails.

3.1.3.1. Rebuilding the RAID 1 Mirror on a

Replacement Disk

LaCie highly recommends inserting a replacement disk while the

2big USB 3.0 is powered on. The RAID 1 will recognize the disk

and automatically mirror the data from the active drive.

You may encounter difﬁculty rebuilding the RAID 1 mirror when

inserting a replacement drive while the 2big USB 3.0 is off. Try to

re-insert the replacement disk while the 2big USB 3.0 is powered

on.

Applications

✦ Maximum data safety

✦ RAID 1 reduces the total available capacity by 50%

because two copies of the data are saved.

Disk 1 Disk 2

Fig. 12

CAUTION: Your LaCie 2big USB 3.0 comes preconﬁgured in

RAID 0, which provides faster transfer rates and allows access to

the whole storage capacity. Unlike RAID 1, it does not provide any

security. If a drive fails, all data will be lost. If you are concerned

about data security, LaCie highly recommends changing your

2big USB 3.0 to RAID 1. See section 3.1. About RAID Modes, for

more information.

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LaCie 4TB 2big USB 3.0 Manual de usuario Pagina 16