Adaptec 1210SA - Serial ATA RAID Controller Guide de l'utilisateur télécharger pdf (Page 37)

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Adaptec RAID Configuration Utility

4 Create RAID via allows you to select between the different

creation methods for RAID 0 and RAID 1. The following table

gives examples of when each is appropriate.

Notes:

■ Before adding a new drive to an array, back up any data

contained on the new drive. Otherwise, all data will be lost.

■ If you stop the Build or Clear process on a RAID 1 from ACU

you can only restart it from Adaptec Storage Manager -

Browser Edition. (See Chapter 4 for details.)

■ A RAID 1 created using the Quick Init option may return

some data miscompares if you later run a consistency check.

This is normal and is not a cause for concern.

■ The ACU allows you to use drives of different sizes in a

RAID 1. During a build operation however, only the smaller

drive can be selected as the source or first drive.

■ When migrating from single volume to RAID 0, migrating

from a larger drive to a smaller drive is allowed. However

the destination drive must be at least half the capacity of the

source drive.

RAID

level Create via When appropriate

RAID 0 No Init Creating a RAID 0 on new drives.

RAID 0

Migrate

1 If you select Migrate for RAID 0, or Build for RAID 1, you will be asked to select the

source drive. The contents of the source drive will be preserved. However, the data

on the new drive will be lost.

Creating a RAID 0 from one new drive and

one drive with data you wish to preserve.

RAID 1

Build

Any time you wish to create a RAID 1, but

especially if you have data on one drive that

you wish to preserve.

RAID 1 Clear Creating a RAID 1 on new drives, or when

you want to ensure that the array contains

no data after creation.

RAID 1 Quick

Init

Fastest way to create a RAID 1. Appropriate

when using new drives.

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Adaptec 1210SA - Serial ATA RAID Controller Guide de l'utilisateur Page 37