Manual LaCie 2 big RAID (page 24 of 41) (English)

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Manage RAID

RAID stands for redundant array of independent disks. RAID contains the word array, and the two terms are

often used interchangably. An array is a combination of two or more physical disks that are presented to the

operating system as a single volume.

Disks are combined into different RAID configurations known as RAID levels. The RAID level you choose

depends on which storage attributes are most important to you:

Capacity The total amount of data you can store.

Performance The speed at which data is copied.

Protection The number of disks that can fail before data is lost.

Your LaCie 2big RAID can be configured as RAID 0 or RAID 1. Each RAID level has its own advantages:

RAID 0—Data is not duplicated on both hard drives in RAID 0. This results in faster transfers and more

storage, since the full capacity of both drives can be used to store unique data. However, RAID 0 lacks a very

important feature: data protection. If a hard drive fails, all data in the array is lost.

RAID 1—RAID 1 provides greater safety since data is duplicated on each disk in the array. If a single disk fails,

the data remains available on the other disk. However, this comes at a cost—since the same data is written

to each drive, copying data takes longer and overall storage capacity is reduced by 50%. RAID 1 is a good

choice when safety is more important than speed or disk space.

To summarize, each RAID level has its own advantages:

RAID level Capacity Protection Speed Factory default

RAID 0 100% None Excellent Yes

RAID 1 50% Excellent Good No

RAID setup as part of a new Toolkit installaon

You can quickly configure the initial RAID level and formatting for 2big RAID as part of a new Toolkit

installation.

242big RAID

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Others manual(s) of LaCie 2 big RAID

LaCie 2 big RAID User Manual - German - 43 pages

LaCie 2 big RAID User Manual - Dutch - 42 pages

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LaCie 2 big RAID Manual

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