Cavalry CADA001U32A Manuale utente

User’s Guide: CADA-U32A Series RAID Enclosure

This guide contains instructions for changing the RAID settings on your CADA-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 CADA-U32 disk array.

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

3. Connect the power cable to your CADA-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 uninitialize the drive before changing RAID settings. To do

this, follow the instructions for your Operating System. (Windows users, see

below; Mac OS X users, see page 7) If your operating system is not listed,

contact customer service for assistance.

Windows 2000/XP/NT/Vista

a. Go to the Start

Menu and 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.

d. Now to use DISKPART. Warning: Be careful not to select your system

drive as you could erase it and your current Windows system!

i. Type “list disk” to show all of your physical drives. Identify which is

the external drive. Make sure you know which before continuing.

ii. Now select it by typing “select disk #”, where # is the number of

the drive listed in the disk list.

iii. You can check that you selected the drive properly by typing “list

disk” again. The table will appear again with an asterisk (*) next to

the selected disk.

iv. Now type “clean” to completely un-allocate and un-initialize your

disk. Make sure you’ve selected the correct disk before typing

“clean”.

v. The drive is cleaned now. You can type “exit” to exit DISKPART and

type “exit” again to exit the virtual DOS window, or just close the

window to get back to your Windows desktop. Continue to Step 6

(p.12).

i. 

ii. 

iv. 

v. 

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.

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