OWC Mercury Elite Pro Qx2 Guida

OWC Mercury Elite Pro Qx2

ASSEMBLY MANUAL & USER GUIDE

OWC MERCURY ELITE PRO Qx2 TABLE OF CONTENTS

TABLE OF CONTENTS

1. INTRODUCTION...........................................................................................1

1.1 MINIMUM SYSTEM REQUIREMENTS

1.1.1 Apple® Mac Requirements

1.1.2 PC Requirements

1.1.3 Supported Hard Drives

1.2 PACKAGE CONTENTS

1.3 ABOUT THIS MANUAL

1.4 FRONT VIEW

1.4.1 Front Features

1.5 REAR VIEW

1.5.1 Rear Features

2. SYSTEM SETUP.............................................................................................4

2.1 HARD DRIVE INSTALLATION

2.2 QUICK START

2.2.1 OWC Drive Guide

2.3 RAID SETTINGS

2.3.1 Changing the RAID Mode

2.3.2 RAID Modes

2.4 CHANGING DRIVES

2.4.1 Adding and Removing Drives in Independent Mode

2.4.2 Adding Drives to an Existing RAID Set

2.4.3 Replacing Drives

3. APPENDIX ......................................................................................................9

3.1 TROUBLESHOOTING

3.2 ABOUT DATA BACKUP

3.3 ONLINE RESOURCES

3.4 TECHNICAL SUPPORT HOURS AND CONTACT INFORMATION

OWC MERCURY ELITE PRO Qx2 INTRODUCTION

1.1.3 Supported Hard Drives

•Up to four 3.5”SATA drives (1.5Gb/s, 3.0Gb/s, or 6.0Gb/s).

•Drives of identical model and capacity are required for all RAID modes other than span

mode and independent drive mode.

•For an updated list of supported hard drives, go to: www.macsales.com/qx2

1.2 PACKAGE CONTENTS

USB 3.0 cable

(Standard-A to Standard-B)

Mercury Elite Pro Qx2

Keys

Power cable

FireWire 800 (1394b)

9-9 pin cable

eSATA (3.0Gb/s) cable

NOTE: Hard drive screws included, but not pictured.

1.3 ABOUT THIS MANUAL

Firmware, images, and descriptions may vary slightly between this manual and the unit

shipped. Functions and features may change depending on the ﬁrmware version. Please

visit the product webpage for the most recent product speciﬁcations.

INTRODUCTION

1.1 MINIMUM SYSTEM REQUIREMENTS

1.1.1 Apple® Mac Requirements

•PowerPC G4 CPU, 128MB RAM

•eSATA (3.0Gb/s): OS X 10.3 or later

•FireWire 800: OS X 10.2 or later

•USB 3.0 (backwards compatible to USB

2.0): OS X 10.2 or later

1.1.2 PC Requirements

•500MHz Intel Pentium 3 CPU, 128MB RAM

•eSATA (3.0Gb/s): Windows XP or later

•FireWire 800: Windows 2000/XP or later

•USB 3.0 (backwards compatible to USB

2.0): Windows 2000/XP or later

OWC MERCURY ELITE PRO Qx2 INTRODUCTION

1.4 FRONT VIEW

1.4.1 Front Features

1. Locking faceplate — Use the included keys to lock the faceplate for security, or re-

move the faceplate to gain access to the drive bays and conﬁgure the RAID mode.

2.LED indicators — See the following chart for information on the Qx2’s LEDs.

LED COLOR QX2 ON QX2

SLEEPING

DRIVE

ACTIVITY

DRIVE BAD/

BAY EMPTY

DRIVE

REBUILD

Power Blue Solid blue Oﬀ Solid blue N/A N/A

Drive

(A, B, C, D)

Green/

Orange

Solid green

(all four) Oﬀ (all four) Flashing

green Oﬀ Flashing

orange

1.5 REAR VIEW

1.5.1 Rear Features

1. Kensington® Security Slot — Connect a security tether here.

2.FireWire 800 ports — Attach the included 9-9 pin FireWire 800 cable to one of these

ports and to your computer. Use the other FireWire 800 port to daisy chain other

FireWire 800 devices.

3. eSATA (3.0Gb/s) port — Attach an eSATA cable here. (Cable not included.)

OWC MERCURY ELITE PRO Qx2 INTRODUCTION

4. USB 3.0 port — Attach the included USB 3.0 (Standard-A to Standard-B) cable here.

5. On/o switch — Turn on and oﬀ the Mercury Elite Pro Qx2 here.

6. Power input — Connect the included power cable here.

NOTE:

•Although the on/oﬀ switch controls power to the device, the Qx2 requires a data signal

in order to turn on. As long as the on/oﬀ switch is in the ‘on’ position, the Qx2 will turn

on when it receives a data signal through the interface cable (FireWire 800, USB 3.0, or

eSATA). If there is no interface cable connected, or if the computer is oﬀ or in a sleep or

hibernation mode, the Qx2 will turn oﬀ.

•Only one interface (FireWire 800, USB 3.0, eSATA) at a time can be used. When more

than one interface cable is connected, the fastest interface has priority.

•For the safe removal of your drive and to ensure that no data is lost, always eject or

unmount the drive from your operating system before powering oﬀ.

•In order for the computer to access volumes larger than 2TB, the operating system

needs to support large volumes (e.g., Windows Vista or OS X 10.4 and above).

1.5.2 RAID Selector Dial

To adjust your RAID settings, there is a dial on

the front panel of the Qx2, behind the locking

faceplate.

Use the silkscreened chart as a guide when

adjusting the dial to the desired RAID set-

ting. Proceed to section 2.3 for instructions on

changing the RAID levels on the Qx2.

OWC MERCURY ELITE PRO Qx2 SYSTEM SETUP

SYSTEM SETUP

2.1 HARD DRIVE INSTALLATION

Follow these steps to install hard drives into your Mercury Elite Pro Qx2, or to replace exist-

ing drives. Repeat steps 1 through 8 as necessary for the number of drives you are installing.

1. Insert one of the included keys into the lock on the top left of the faceplate.

2. Turn the key clockwise, then pull the key towards you. The faceplate will swing open, as

shown.

3. Once the faceplate has swung open as far as it will go, pull up to remove it.

4. On the drive tray you wish to remove, turn the thumbscrew counter-clockwise until you

no longer feel resistance. Then hold onto the thumscrew and pull the drive tray out.

5. Set the drive tray as shown on your work surface. If you are replacing an existing hard

drive, unscrew it from the drive tray at this time. If your Qx2 was purchased without drives,

each drive tray will have a plastic bar to help the drive tray keep its shape during shipping.

Unscrew the plastic bar and discard it before proceeding.

6. Place your hard drive inside the drive tray as shown. The label should face up and the SATA

connectors should be on the far rear corner of the drive.

7. Fasten the drive into the drive tray using six of the included screws.

8. Slide the drive tray back into the rails in the Qx2 and push until it is seated fully. Then, push

in on the thumbscrew and turn it clockwise until it stops moving.

NOTE: Be careful when sliding the drive tray back into the Qx2. If you encounter resis-

tance, do not force the drive tray. Remove it, check to make sure there are no obstructions

and that the drive tray is lined up correctly, and slide it in again.

1 2 3 4

5 6 7 8

OWC MERCURY ELITE PRO Qx2 SYSTEM SETUP

2.2 QUICK START

If your Mercury Elite Pro Qx2 was purchased as a preconﬁgured solution with drives in-

cluded, it has been conﬁgured in the following way. A software bundle and the OWC Drive

Guide formatting utility have been installed on your Qx2, and it has been set to RAID 5

mode. If you wish to change the RAID mode (see section 2.3), doing so before you use the

OWC Drive Guide formatting utility will erase the software bundle and formatting utility

from your Qx2. If you wish to keep the software bundle, run the OWC Drive Guide utility ﬁrst,

move the software bundle to a diﬀerent drive, then change the RAID mode.

2.2.1 OWC Drive Guide

Before your Qx2 can be put to use, it needs to be formatted. To help with the formatting

process, the OWC Drive Guide formatting utility has been installed on your Qx2. Follow

these steps to use the OWC Drive Guide to format your Qx2 for Mac (OS X 10.4 and later)

or Windows (XP and later).

1. Connect your drive to your computer using the proper cable, then turn on your drive.

If you prefer to use a diﬀerent formatting utility, do so at this time and skip the rest of

these instructions.

2. Your drive will show up as “OWC HD”. Open your drive to view its contents.

3. Open the “Macintosh Setup” or “Windows Setup” folder, depending on the computer’s

operating system, then double-click the OWC Drive Guide application.

4. Follow the simple on-screen instructions to complete the formatting process.

5. Once the formatting is ﬁnished the drive is ready to use.

2.3 RAID SETTINGS

2.3.1 Changing the RAID Mode

IMPORTANT NOTE: Drives of identical model and capacity are required for all RAID types

other than independent drive mode and span mode.

WARNING: Changing the RAID mode will require you to

reformat the drives. Reformatting will delete all of the

existing data on the drives!

To switch RAID modes, follow these three steps (continued on next page):

1. With the Mercury Elite Pro Qx2 turned oﬀ, adjust the RAID dial so that the arrow is

pointing to the desired RAID level (see section 1.5.2, RAID Selector Dial).

2. While using a paperclip or small screwdriver to hold down the “Conﬁrm” button, turn

on the Qx2. The Qx2 will build the newly selected RAID, during which time the LEDs

on the Qx2 will ﬂash. This process will take 20-30 seconds. When the LEDs stop ﬂash-

ing, release the “Conﬁrm” button. The Qx2 will show up on your computer as an unfor-

OWC MERCURY ELITE PRO Qx2 SYSTEM SETUP

matted volume (or individual disks if you selected independent drive mode).

3. Format the new volume. Formatting instructions can be found at:

www.macsales.com/format

2.3.2 RAID Modes

IMPORTANT NOTE: Drives of identical model and capacity are required for all RAID types

other than independent drive mode and span mode.

WARNING: Changing the RAID mode will destroy the

data on the drives. Be sure to back up your data rst! See

section 3.2 for information on proper backup strategies.

Independent Drive Mode (One to Four Drives Installed)

Dial position: 4

Each drive will appear as a single volume. If you intend to use hard drives of diﬀering

capacity and model, this is the mode to use. To swap or replace drives, ﬁrst unmount all

drives and turn oﬀ the Mercury Elite Pro Qx2

Span Mode (Two to Four Drives Installed)

Dial position: 2

Storage Capacity Data Safety Performance

The drives show up as one large single volume. The total size will depend on the drives

installed; you can use drives of diﬀerent capacities. A span is an array (not RAID) in which

the data is written sequentially across the drives. This combines the capacities of the

drives, but it does not provide any performance or redundancy beneﬁts.

RAID 0 “Drive Striping”Mode (Two to Four Drives Installed)

Dial position: 0

Storage Capacity Data Safety Performance

The drives show up as one large single volume with a size equal to the combined capaci-

ties of all the drives used in the array. RAID 0 is used when speed is the primary objec-

tive, but it does not have any redundancy for protection. Data is alternated very quickly

across two or more drives to gain speed by distributing the workload. This allows for the

fastest data transfer rates, since data is written without pausing to check parity informa-

tion, but if one drive fails, the whole array can become corrupted and data will be lost.

Always maintain a backup of your data!

OWC MERCURY ELITE PRO Qx2 SYSTEM SETUP

RAID 1 “Drive Mirroring” Mode (Two Drives Installed)

Dial position: 1

Storage Capacity Data Safety Performance

The drives show up as one volume with a size equal to the capacity of one of the two

drives used in the array. RAID 1 copies (or“mirrors”) a set of data from the ﬁrst drive to the

second drive. This is useful when reliability and redundancy are more important than ca-

pacity. When one drive fails, it can be replaced and the data will be rebuilt automatically.

RAID 10 “Drive Mirroring with Striping” Mode (Four Drives Installed)

Dial position: 1

Storage Capacity Data Safety Performance

The drives show up as one volume with a size equal to the combined capacities of half

of the drives used in the array. RAID 10 creates an exact copy (or“mirror”) of a set of data

but also uses a RAID 0 “stripe”for speed. When one drive fails, it can be replaced and the

data will be rebuilt automatically.

RAID 5 “Drive Striping with Parity” Mode (Three or Four Drives Installed)

Dial position: 3

Storage Capacity Data Safety Performance

The drives show up as one volume with a size equal to the combined capacities of all

the drives in the array, minus one drive. RAID 5 uses block-level striping with parity data

distributed across all disks and therefore provides the perfect balance between high

performance and data integrity. When one drive fails, it can be replaced and the data

will be rebuilt automatically.

2.4 CHANGING DRIVES

2.4.1 Adding and Removing Drives in Independent Mode

When the Mercury Elite Pro Qx2 is set to independent mode, you can add or remove any

drive without needing to create a new RAID set.

IMPORTANT NOTE: To avoid data corruption it is essential to unmount all drives and

turn oﬀ the Qx2 before removing or adding a new drive. If you

physically remove a drive from the Qx2 without turning oﬀ the

Qx2 ﬁrst, any mounted drives will improperly unmount from the

computer.

OWC MERCURY ELITE PRO Qx2 SYSTEM SETUP

2.4.2 Adding Drives to an Existing RAID Set

It is not possible to add more drives to an existing RAID set. In order to add drives, a new

RAID set must be created, which will destroy the data on the existing RAID set. If you

wish to add more drives, shut oﬀ the Mercury Elite Pro Qx2, then add the drives. Once all

of the drives that you wish to use are installed, go through the steps in section 2.3.1 to

create the new RAID set.

2.4.3 Replacing Drives

When one of the drives fails, the corresponding LED will turn oﬀ. If only one drive has

failed and the RAID mode is set to RAID 1, RAID 10, or RAID 5, the data on the RAID

set will still be accessible, but it is strongly suggested that you replace the failed drive

immediately with another drive of identical model and capacity to ensure the continued

safety of your data.

If more than one drive fails at the same time, or if one drive fails and the RAID mode is set

to RAID 0 or span, the data is lost (in span mode, only the data stored on the failed drive

is lost) and the volume cannot be accessed again until the failed drives are replaced and

a new RAID set is created.

When a drive fails, follow these steps:

1. Identify the failed drive and replace it (see section 2.1 for instructions). The LED that is

oﬀ indicates the failed drive. You do not need to turn oﬀ the Mercury Elite Pro Qx2 to

do this.

2. For RAID 1, RAID 10, and RAID 5, the RAID set will rebuild automatically. During the

rebuild process, the LED of the drive being rebuilt will ﬂash orange. Depending on the

capacity of the drives being used, the rebuild process will last from several hours to

a few days. Once the rebuild is complete, the drive LED will turn green and ﬂash with

activity as normal.

3. For RAID 0 and span, the drive LED will turn green, showing that the failed drive has

been replaced and the new drive is ready to be used. You will need to go through the

steps in section 2.3.1 to create a new RAID set before the Qx2 can be used again.

NOTE: We recommend that you do not turn oﬀ the power during the rebuild process,

but if power is interrupted, the data will continue rebuilding from where it left oﬀ as

soon as power is restored. The Mercury Elite Pro Qx2 does not need to be connected to

a computer for the rebuild process to take place.

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