Cavalry CADT001U32 Manuel utilisateur

User’s Guide: CADT-U32A Series RAID Enclosure

This guide contains instructions for changing the RAID settings on your CADT-U32A Series

Personal Disk Array. If you need assistance, please contact customer service at

[email protected]. The guide is structured as follows:

Product Diagrams - Page 2

RAID Settings Overview with Explanations - Page 3

Instructions for Changing RAID Settings - Page 4

Diagrams

Front View:

1. Power indicator

2. Rebuild indicator

3. HDD1 Access Indicator

4. HDD2 Access Indicator

5. HDD1 Error Indicator*

6. HDD2 Error Indicator*

7. Ventilation

*The error LEDs light up when the

corresponding hard drive fails, when

there are rebuilding errors and when the

corresponding hard drive is not present.

Rear View:

1. Power switch

2. Power port

3. USB 2.0 port

4. Fan for ventilation

RAID Settings Descriptions

SINGLE MODE Array will show up as two independent drives. This function

can be used if only if two different brands and/or capacities

of HDDs (Hard Disk Drives) are installed.

SPANNING MODE Two HDDs will show up as a single drive with the combined

capacity of both drives. Spanning writes data sequentially

across two drives.

RAID 0 (Striping) Two HDDs will show up as a single drive with the combined

capacity of both drives. Speed and performance increase.

The two HDDs “stripe" data across the two drives. This splits

each piece of Data across both HDDs in segments in a way

that speeds up reading and writing times. However, RAID 0

does not offer any data protection: if one drive fails or is

damaged, all data can be lost.

RAID 1 (Mirroring) The RAID controller creates an extra copy (or mirror) of data

on the two drives. Only a single drive will show up on your

computer, and it will have the capacity of a single drive.

Data is protected from the failure of one drive. If one drive

fails, replace it with an identical drive and the data rebuilds

automatically.

Using this mode requires 2 identical HDDs; the two drives

must be the same capacity, brand and model number.

Changing RAID Settings

1. Start your computer and wait for your operating system to load completely.

2. Connect the square end of the USB 2.0 cable to your CADT-U32 disk array. Connect

the flat end of the USB 2.0 cable to your computer.

3. Connect the power cable to your CADT-U32 disk array. Connect the other end of the

power cable to an electrical outlet.

4. Turn on the drive.

5. You will need to un-initialize the drive before changing RAID settings. To do this,

follow the instructions for your Operating System below. (Mac OSX users, see

directly below. Windows users, see page 9) If your operating system is not listed,

contact customer service for assistance.

Mac OS X

a. Go to top menu “Go” and select “Utilities”. The Utilities window opens. Select

“Disk Utility” to start the disk utility program.

b. Click the header on the left which starts with the drive size in gigabytes (1). Now

click on the “partition” tab on top (2). Disk Utility will switch to it’s partitioning

function pane. Now click on the dual arrow button under “Volume Scheme” (3).

Choose “1 partition” (4).

c. Now click on “Options” under the partition graph (1). The partition scheme type

selection window will pop up. Make sure the selection is “Apple Partition Map”

(2). Then click “OK” (3). You can leave the format type on the right to “MAC OS

extended (journaled)” (4). Then click “Apply” to start partitioning (5).

d. The warning dialog for partitioning will pop up. Go ahead click “partition”.

e. The drive will start partitioning as shown. It should take a minimum of 2 minutes

to finish.

f. You now have a MAC OS extended partition. We can now delete the volume and

clear the drive. Click anywhere on the partition graph representing the partition.

Notice the [+ / -] under the graph on the lower left. Click the [-] button to delete

the partition.

g. The warning dialog for erasing the partition will pop up. Go ahead click

“Remove”.

h. Your drive is now clean of all partitions. Continue to Step 6 (p.12).

Windows 2000/XP/NT/Vista

a. Go to the Start Menu. Click on “Run”.

b. The Run dialog box will show up. Enter “cmd” in the text box then press the

<ENTER> key.

c. Virtual DOS command console window will start. You will see the blinking cursor

where you can type commands. Now type “diskpart” as shown then press the

<ENTER> key. Continue to part (d).

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