LaCie 2big Quadra Enterprise Class handleiding

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Handleiding

LaCie 2big Quadra Enterprise Class • Design by Neil Poulton RAID

User Manual page 17

3.1.4. Mixed (RAID 1 and RAID 0)

In Mixed mode, the two physical disks are combined so that two

logical volumes mount simultaneously on the desktop (Fig. 10):

✦ One Safe volume (RAID 1) where data is automatically mir-

rored on each physical disk. This volume uses 50% of the

available capacity of each disk (the available capacity cannot

exceed 50% of the lowest-capacity single disk).

IMPORTANT INFO: If one physical disk fails, the data of the SAFE

volume is available on the second disk. Only 25% of full capacity

is protected by mirroring. In this case, data on the Fast (RAID 0)

volume will be lost.

✦ One Fast volume (RAID 0) enables the user to work with the

high speed of RAID 0.

Applications

✦ Provides two volumes for different data security needs.

✦ Only 75% of total formatted capacity is available due

to mirroring on the Safe volume.

Disk 1 Disk 2

Fig. 10

Volume 1

RAID 1

Volume 2

RAID 0

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