StarTech.com SAT3520U2R User manual

SATA Hard Drive Enclosure

3.5” Black USB2.0 to Dual SATA

Hard Drive Enclosure with RAID

SAT3520U2R

Instruction Manual

FCC Compliance Statement

This equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a residential installation. This

equipment generates, uses and can radiate radio frequency energy and, if not installed

and used in accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a

particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the

user is encouraged to try to correct the interference by one or more of the following

measures:

Reorient or relocate the receiving antenna.•

Increase the separation between the equipment and receiver.•

Connect the equipment into an outlet on a circuit different from that to which the receiver•

is connected.

Consult the dealer or an experienced radio/TV technician for help.•

Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols

This manual may make reference to trademarks, registered trademarks, and other

protected names and/or symbols of third-party companies not related in any way to

StarTech.com. Where they occur these references are for illustrative purposes only

and do not represent an endorsement of a product or service by StarTech.com, or an

endorsement of the product(s) to which this manual applies by the third-party company

in question. Regardless of any direct acknowledgement elsewhere in the body of

this document, StarTech.com hereby acknowledges that all trademarks, registered

trademarks, service marks, and other protected names and/or symbols contained in this

manual and related documents are the property of their respective holders.

Table of Contents

Introduction..................................................................... 1

Packaging Contents.....................................................................1

System Requirements .................................................................1

Front View....................................................................................2

Rear View ....................................................................................2

Installation....................................................................... 3

Hardware Installation...................................................................3

Driver Installation.........................................................................7

How to Use ...................................................................... 7

Operating Modes.........................................................................7

Using the RIB Clean Utility ..........................................................8

Speciﬁcations.................................................................. 9

Technical Support........................................................... 10

Warranty Information...................................................... 10

Introduction

This Dual SATA External RAID Hard Drive Enclosure offers a practical

external RAID solution, allowing you to install two Serial ATA hard

drives for connection to a host computer through high speed USB

2.0. Delivering easy to use, yet versatile external RAID storage, the

enclosure can select JBOD, Striping (RAID 0), Spanning (non RAID),

and Mirror (RAID 1) modes.

Packaging Contents

1 x SAT3520U2R drive enclosure•

1 x USB cable•

1 x Screw kit with screw driver•

1 x Power Adapter•

1 x Software CD•

1 x Instruction Manual•

System Requirements

USB enabled computer system•

Microsoft• ®Windows®2000/XP/Vista/7,

or Apple®Mac OS®X, or Linux®

Power•

Rebuild•

HDD1 Access•

HDD2 Access•

HDD1 Error•

HDD2 Error•

Air Vent

USB

connector

Power

switch

Power

connector

Front View

Rear View

Installation

WARNING: Hard drives require careful handling, especially when

being transported. If you are not careful with your hard disk, lost data

may result. Always handle your hard drive and storage device with

caution.

Hardware Installation

Mode Selection1.

Remove the cover of the enclosure by unfastening and removing1.

the screws on the bottom of the unit (bottom side is closest to

the USB 2.0 and DC/IN ports). Insert the screwdriver into the

remaining screw hole, and press outward.

With the cover removed, the DIP switches used for mode2.

selection are exposed. Please note that the DIP switch numbers

are denoted on the switch casing.

To conﬁgure SAT3520U2R for RAID, use the following DIP switch3.

selections. Once completed, please leave the enclosure open,

for hard drive installation:

DIP Switch Hard Drive Mode Max Volume Size

Single/JBOD Above 2TB

Single/JBOD Under 2TB

Spanning Above 2TB

Spanning Under 2TB

RAID 0 (Stripe) Above 2TB

RAID 0 (Stripe) Under 2TB

RAID 1 (Mirror) Above 2TB

RAID 1 (Mirror) Under 2TB

Hard Drive Installation2.

WARNING! If you are installing drives to be used in RAID 1 (Mirroring)

Mode with a drive that already contains data, that drive must always be

installed ﬁrst.

NOTE: If you are conﬁguring SAT3520U2R for RAID applications

(Mirroring Mode, Striping Mode or Spanning Mode), the installed hard

drives must be identical in brand, size and model number.

Unfasten the two screws on either1.

side of the internal drive holder

case, and pull backward to release

and remove the drive tray from the

enclosure.

Non-RAID (Single Mode) or RAID 0 Conﬁgurations:

Insert both hard drives into the drive1.

tray, and secure them with screws

(provided). Insert the drive tray (with

both drives installed) back into the

enclosure.

Push the drive tray forward in the2.

enclosure, securing the connection. Once

the tray is ﬁrmly connected, fasten the

screws on the holder. Replace the top panel

of the enclosure, and fasten the screws at the

bottom.

RAID 1 Mirror Mode

Insert the primary (containing data to1.

be mirrored) drive into the drive tray,

and fasten it to the tray with the screws

provided.

Insert the drive tray back into the enclosure,2.

ensuring the tray is secured using the

connectors.

Once secure, power on the enclosure.3.

SAT3520U2R will recognize the drive as the master drive, and4.

prepare it for mirroring. Once complete, the error light indicator of the

second drive will illuminate (denoted as HDD2 Error).

When this occurs, power off the enclosure, and remove the drive tray5.

from the enclosure.

Insert the second drive (containing no data)6.

into the drive tray, and fasten it to the tray

with the screws provided.

Secure the drive tray to the enclosure connections, and fasten the7.

tray to the enclosure using the screws removed earlier.

Place the cover back on the enclosure, and replace the screws8.

removed earlier.

Power on the enclosure.9.

SAT3520U2R will indicate that the Rebuild function is under way10.

(the corresponding light will display activity), as the data from Drive

1 is mirrored onto Drive 2, and RAID 1 is conﬁgured on the drives.

NOTE: that the Mirroring process may take several minutes to several

hours, depending on the amount of data being mirrored.

WARNING! Please do NOT power off the enclosure, until the HDD2

Error LED is no longer illuminated.

Driver Installation

Windows 2000/XP/Vista/7, Mac OS X, Linux

No driver installation is required for these operating systems, as

this drive enclosure is natively supported, so the drivers are already

installed.

How to Use

Operating Modes

Single Mode (Non-RAID)

In Single Mode, the installed drives will appear individually as two

independent drives. This function can be used if only one hard drive is

installed, or two different brands or capacities of drive are being used.

RAID 0 - Spanning Mode

In Spanning Mode, two hard drives will appear as a single, large drive.

Spanning is an array that is written sequentially across two drives.

RAID 0 - Striping Mode

Striping combines multiple hard drives into a single large disk array.

The data is split evenly across both drives simultaneously. Read/write

performance is increased as a result, but failure of any one disk will

make the entire array unusable.

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