OWC Mercury Rack Pro
Contents
1. New Partition Wizard 9 Before you can use the Format Partition d rive it must be fo rmat To store data on this partition you must format it first te d O n mo st syste ms Choose whether you want to format this partition and if so what settings you want to use running Windows 2000 2 Do not format this partition or ate It IS d VISa b to Format this partition with the following settings specify the file system as File system NTFS NTFS Leave the Al location Allocation unit size Default e n olume label 1 ercur unit size as Default and Perform quick format feel free to give the drive whatever name you prefer Be sure to check the box Perform a quick format If you do not it will likely take several hours for your drive to format Click Next Enable file and folder compression New Partition Wizard Completing the New Partition Wizard You have successfully completed the New Partition Wizard 10 You selected the following settings 0 At th een d of th e Partition type Primary partition Wizard will see Patton size 19069 MB Drive letter or path E summary of the informa File system NTFS Allocation unit size Default tion that you specified re iex i d u ri n g th e p revi ous To close this wizard click Finish steps Click Finish OWC Mercury Rack Pro mini SAS Chapter2. d OWC Mercury Rack Pro mini SAS Table of Contents 1 INTRODUCTION 1 1 SYSTEM REQUIREMENTS 1 1 1 Mac Requirements 1 1 2 PC Requirements 1 1 3 Supported Hard Drives 1 2 PACKAGE CONTENTS 1 3 ABOUT THIS MANUAL 1 4 REAR VIEW amp CABLE CONNECTIONS 1 5 FRONT VIEW amp LED INDICATORS 1 5 1 LED Indicators 1 6 RAID MODES 1 6 1 Combine 1 6 2 Disk Striping RAID 0 1 6 3 Disk Mirroring RAID 1 1 6 4 Disk Mirroring with Striping RAID 10 1 6 6 Disk Striping with Dedicated Parity RAID 3 1 6 6 Disk Striping with Distributed Parity RAID 5 1 6 7 Clear RAID Mode 2 SYSTEM SETUP 2 1 HARD DRIVE INSTALLTION 2 2 REPLACING HARD DRIVES 2 3 CONNECTIONS TO COMPUTER 2 4 CONVERTING TO DESKTOP UNIT 3 FORMATTING 3 1 MACINTOSH FORMATTING 3 2 REMOVING AN EXISTING GUID PARTITION PRECONFIGURED SOLUTIONS 3 3 WINDOWS FORMATTING 4 TROUBLESHOOTING amp TIPS 4 1 TROUBLESHOOTING 4 2 USAGE TIPS 5 APPENDIX 5 1 FAQ 5 2 ABOUT DATA BACKUP 6 CUSTOMER SERVICE 6 1 BEFORE CONTACTING CUSTOMER SERVICE 6 2 CUSTOMER SERVICE HOURS OF OPERATION OWC Mercury Rack Pro mini SAS Chapter 1 Introduction 1 INTRODUCTION 1 1 System Requirements 1 1 1 Mac Requirements Dependent on the interface card you purchase to use with this solution Please check the specifications of the controller card to determine system requirements 1 1 2 PC Requirements Dependent on the
3. ervices and Applications this space and choose 9 New Partition i Heskhy EIS Heahy System amp 9Disk 1 Basic 18 62 GB Online PUT Properties ll Unallocated fl Primary partition 7 Help New Partition Wizard Welcome to the New Partition Wizard This wizard helps you create a partition on a basic disk basic disk is a physical disk that contains primary partitions extended partitions and logical drives You can use any version of Windows or MS DOS to gain access to partitions on basic disks New Pa rtition To continue click Next Wizard will launch Click Next to continue Select the partition you want to create gt Primary partition 6 Specify your partition type as Dri ma ry a nd click Next Q Extended partition Logical drive 7 The wizard will display the maximum partition size for your drive It is strongly recommended that you do not change the default Partition size in MB value Click Next Maxium disk space in megabytes MB 19069 Minimum disk space in MB OWC Mercury Rack Pro mini SAS Chapter 3 Formatting If you li ke you can specify the 9 Assign the following drive letter drive letter designation for your Mount in the following empty NTFS folder new drive Otherwise one will automatically be assigned Click Do not assign a drive letter or drive path Next
4. as they may spill into its openings Doing so increases the risk of electrical shock short circuiting fire or personal injury General Use Precautions Do not expose the enclosure to temperatures outside the range of 5 C to 40 C 41 F to 104 Doing so may damage the drive or disfigure its casing Avoid placing your drive near a source of heat or exposing it to sunlight even through a window Conversely placing your drive in an environment that is too cold or humid may damage the unit e Always unplug the hard drive from the electrical outlet if there is a risk of lightning or if it will be unused for an extended period of time Otherwise there is an increased risk of electrical shock short circuiting or fire Use only the power supply shipped with the device Do not use the hard drive near other electrical appliances such as televisions radios or speakers Doing so may cause interference which will adversely affect the operation of the other products Do not place the drive near sources of magnetic interference such as computer displays televisions or speakers Magnetic interfer ence can affect the operation and stability of your hard drive Do not place heavy objects on top of the drive If you detect a problem consult the Troubleshooting section in this manual Protect your hard drive from excessive exposure to dust during use or storage Dust can build up inside the device increasing the risk of damage or malfu
5. 3 Formatting OO Once you have finished with the formatting wizard you will see that your new drive repre sented as Disk E in this case will display a message of For matting This should only take a couple of minutes if you chose the quick format op tion aO After a mo ment or two the drive s status will change from For matting to Healthy OWC Mercury Rack Pro mini SAS Chapter 3 Formatting 79 At this point you may close the Computer Management window Your drive is ready to use and can be found in My Computer My Computer File Edit View Favorites Tools Help gt 2 Search Folders iat Address Hard Disk Drives System Tasks View system information Local Disk C pe OWC Mercury E W Add or remove programs G Change a setting Devices with Removable Storage Other Places 314 Floppy 4 2 CD Drive Network Places 17 My Documents Using your new Storage Solution on both Macs and PCs MacDrive takes the guesswork out of sharing files Whether you are trans ferring files between home and the office a class room lab and your dorm room or even on the same computer MacDrive makes it painless In fact you ll hardly know MacDrive is working Once installed MacDrive will automatically give you access to any Mac disk you pop into your com puter MacDrive even puts an apple icon on the Mac disk just to keep s
6. to water or humid conditions cover the enclosure s ventilation holes e Before connecting the device to your computer install the hard drives e For the safe removal of your drive and to assure that no data is lost always eject or unmount the drive from your operating system before powering off e In order for the computer to access volumes larger than 2TB both the hard ware and Operating System need to support large volumes e g Windows Vista 32bit 64bit or Mac OS X 10 4 and above OWC Mercury Rack Pro mini SAS Chapter 2 System Setup 2 4 Converting to Desktop Unit The OWC Mercury Rack Pro can be converted from a rack mounting enclosure to a desktop unit by removing the rack pulls from the sides of the enclosure and attaching the included rubber feet to the enclosure To remove the rack pulls simply remove the 4 Phillips screws on the side of the rack and the rack pull will come off Once you have removed the rack pulls turn the OWC Mercury Rack Pro over and at tach the 4 rubber feet using a Phillips scredriver to the bottom of the enclsure OWC Mercury Rack Pro mini SAS Chapter 3 Formatting 3 FORMATTING 3 1 Formatting your OWC Mercury Rack Pro on a Macintosh with Mac OS X IMPORTANT NOTE This procedure will erase all data on your hard disk drives in the OWC Mercury Rack Pro Back up any important data before proceeding D The disk you inserted was not readable by this computer C
7. as shown to the left with the SATA connector facing away from you 3 Slide the drive all the way into the drive bay It will fit flush with the aluminum frame 4 Repeat the previous steps for each hard drive you are installing NOTE Be careful to not damage any components and do not force the drives into place If they don t slide in easily make sure there are no obstructions IMPORTANT In most cases is not possible to add more drives to an existing RAID array or change the RAID configuration without reformatting This will depend on your controller card and the operating system that you are using Some cards support OLE and ORLM on the Windows platform Check your controller card manual for more information OWC Mercury Rack Pro mini SAS Chapter 2 System Setup 2 2 Replacing Drives If one of the drives fail the corresponding activity LED will light up solid red If only one drive is defec tive and your controller card s RAID mode is set to RAID 1 RAID 3 RAID 5 or RAID 10 the data can still be accessed but we strongly suggest that you replace the faulty drive mechanism immedi ately to assure continued backup and data safety remove the hard drive from the enclosure simply use the flip lever located above the hard drive to eject the drive mechanism If more than one drive fails at the same time or if one drive fails and your controller card s RAID mode is not set to a mode with
8. ave multiple volumes created Simply use the pulldown menu under Volume Scheme to create more partitions OWC Mercury Rack Pro mini SAS Chapter 3 Formatting 53 500 11 GB Hitachi HTSS First Aid Erase Partition RAID Restore Macintosh HD i Volume Scheme E 4 TB OWC 9 HL DT ST DVDRW GS21N Size 4 00 To partition the selected disk choose a volume scheme Set the name format and size for each volume Then click Apply New Hard Drive A new partition will be created Size Disk Description OWC Total Capacity 4 TB 4 000 819 539 968 Bytes Connection Bus FireWire Write Status Read Write Connection Type External S M A R T Status Not Supported Connection ID 512384778305789 Partition Map Scheme Unformatted Choose a name for the volume You will need to repeat this step for each volume if you selected multiple partitions Click Apply to finish 6 2 500 11 GB Hitachi HTSS wane Volume Scheme Volume Information New Hard Drive current ame New Drive HL DT ST DVDRW GS21N Format OS Extended Journaled Size 4 00 TB To erase and partition the selected disk choose a scheme from the Volume Scheme pop up menu set options for each volume and click Apply New Hard Drive To resize the volumes on the selected disk drag the dividers between them and click Apply This partiti
9. capacity is the combined size minus the size of one drive RAID 3 uses byte level striping with parity data located on 1 disk Very fast performance can be achieved with RAID 3 Storage Capacity Data Safety Performance on lo NS 1 6 6 Disk Striping with distributed parity RAID 5 The drives show up as one volume but the total capacity depending on the drive with the smallest capacity is the combined size minus the size of one drive RAID 5 uses block level striping with parity data distributed across all member disks and therefore provides the perfect balance between high performance and data integrity When one hard drive fails it can be replaced and the data rebuilt automatically Storage Capacity Data Safety Performance EP on 1 6 7 Clear RAID Mode also known as Independent Each drive will appear as a single volume If you wish to use a mixed variety of capacity and model hard drives this is the mode to use NOTE Hard drives of identical model are required for all RAID types OWC Mercury Rack Pro mini SAS Chapter 2 System Setup 2 SYSTEM SETUP 2 1 Drive Installation NOTE If you purchased a preconfigured solution with drives they will be numbered for proper installation in individual drive bays Please match the drive bay numbers to the hard drives and their trays To install your own drive mechanisms 1 Open the front door on the OWC Mercury Rack Pro 1 2 Install the hard drive
10. d Settings Administrator gt diskpart Type list disk and hit enter Microsoft DiskPart version 5 1 3565 Copyright lt C gt 1999 2003 Microsoft Corporation computer BBELLMAN XP DISKPART gt list disk Type select disk x replacing x with the number of the disk you want to reformat Typically you will see an asterisk under GPT for the disk requiring formatting Disk Status Online Disk 1 Online BDISKPART gt select disk 1 WARNING The clean command will destroy ALL data on the disk you run it on Be sure there is nothing you need to keep on your drive before running any of these commands Type clean and hit enter Disk 1 is now the selected disk SDISKPART gt clean 2 Type exit and hit enter Close the command prompt window You may now proceed with formatting the drive OWC Mercury Rack Pro mini SAS Chapter 3 Formatting 3 3 Formatting your OWC Mercury Rack Pro on Windows 2000 and later Instructions for other operating systems can be found at http www macsales com format D with the drive connected to the computer and Open powered on right click on the My Computer icon uS vwe Search and select Manage from the menu The Initialize and Convert Disk Wizard window should appear Disconnect Network Drive Create Shortcut Delete If the Wizard does not appear expand the Storage Rename menu by click
11. ems Either drag the icon for the hard disk you wish to dismount to the trash can or iclick the eject icon next to the hard disk name in under the DEVICES tab in the sidebar in any finder window e For Windows systems 1 Go to the System Tray located in the lower right corner of yoru screen Click on the Eject icon a small green arrow over a hardware image 2 A message will appear detailing the devices that the Eject icon controls i e Safely remove Click on this prompt 3 You will then be given the following message Safe to Remove Hardware It is now safe to disconnect the OWC Mercury Rack Pro OWC Mercury Rack Pro mini SAS Chapter 5 Appendix 5 APPENDIX 5 1 FAQ How do format my storage solution A OWC has detailed instructions online for most popular operating systems located at http eshop macsales com tech_ center formatting cfm Q What file system should choose when formatting my drive A This will depend on how you want to use the drive but in general we recommend OS X HFS Mac OS Extended e Windows 2000 XP Vista For cross platform compatibility FAT32 is compatible but single file sizes are limited to 4GB Other options using 3rd party software exist but are not covered here Q Why does my solution not show up on my computer when using Windows 2000 XP or show up only a portion of my total capacity A Since Windows 2000 and XP 32 bit use Master Boot Record t
12. hare fi things clear You can access files on the Mac disk just like you would with a Windows formatted disk Open files from the disk or from within a program Mac files automatically get the right icons and file name extensions under both ndows les between Mac disks and Wi cDrive 8 FOR WINDOWS Windows and Mac OS Works great Vea st with software from Microsoft Adobe ae Quark FileMaker Avid Digidesign n Corel NewTek and more Wl ea re co ek di reWire SATA IDE SCSI and more You can find MacDrive 8 at Mediafour http eshop macsales com search macdrive OWC Mercury Rack Pro mini SAS Chapter 4 Troubleshooting amp Tips 4 TROUBLESHOOTING amp TIPS 4 1 Troubleshooting Some of the most simple problems can be traced to power or connectivity issues Begin your troubleshooting by verifying that power is plugged into the external stor age solution and if connected to a power strip Make sure that the power is turned on at the switch on the strip Then simply verify that your cables both ends are properly plugged into the com puter and storage soltion You may want to review the manual for your controller card and use it s managment functions to verify the status of the hard drives 4 2 Tips To properly dismount any connected drives from your computer you need to follow a few simple steps e For Macintosh systems There are two methods to umount disks with Macintosh syst
13. he operating system limits you to a maximum of 2TB Q How many drives can fail before lose my data A This depends on the RAID mode For RAID 0 and SPAN any drive failure will result in the data being lost For RAID 1 RAID 3 RAID 5 and RAID 10 the failure of two or more hard drives at the same time will mean that data cannot be recovered Q Will the hard drives spin down when my computer goes into to sleep or stand by mode A Yes they will spin down to save energy It will take about 15 to 30 seconds to access your data after being in sleep or stand by mode depending on your controller card Q Why does the LED indicator for some of the drives light up red A If one of the drive LEDs lights up red the drive is defective You need to replace that drive as soon as possible 5 2 About Data Backup To ensure that your files are protected and to prevent the loss of your data we strongly suggest that you keep two copies of your data One copy on your OWC Mercury Rack Pro and a second copy on either your internal hard drive or another storage medium such as an optical backup or on a second external hard drive Any data loss or corrup tion while using the OWC Mercury Rack Pro is the sole responsibility of the user and under no circumstances will Other World Computing be held liable for compensation or the recovery of any lost data OWC Mercury Rack Pro mini SAS Chapter 6 Customer Service 6 CUSTOMER SERVICE 6 1 Before Contac
14. ing on the plus sign Then right e click next to the disk number of the drive that 0 have just connected and click Initialize to bring up the Wizard Initialize and Convert Disk Wizard 2 In the next window there should be only one drive listed m ok Logical Disk Manager can access it That will be the drive that you connected via eSATA FireWire or USB Make sure the box next to the drive name is checked and click Next Select one or more disks to initialize Initialize and Convert Disk Wizard Completing the Initialize and e C t Disk Wizard 3 The Wizard will perform its uni mend sd ou ave successtiully complete and Lonver tasks and you will get the follow neis ing screen You may click Finish Convert None To close this wizard click Finish OWC Mercury Rack Pro mini SAS Chapter 3 Formatting 4 Your drive Will Computer Management Mok m File Action View Window Help appear similar to how aim 2 pee Disk 1 does below E m Tools s Partition Basic FAT Healthy EISA Configuration 31 MB 1 Event Viewer amp J C Partition Basic NTFS Healthy System 18 61GB 12 Notice that the space 2 55 Local Users and Groups O n th e r rl g ht Performance Logs and Alerts Device Manager reads as Unallo 3 6 cated Right click in Removable Storage Disk Defragmenter Disk Management
15. interface card you purchase to use with this solution Please check the specifications of the controller card to determine system requirements 1 1 3 Supported Drives Up to 4 3 5 SATA or SAS drives 1 5Gb s 3 0Gb s or 6 0Gb s 40GB 3 0TB per HDD Drives of identical capacity model are required for RAID configurations 1 2 Package Contents Item D Power cable Rack Mounting Handles Desktop Mounting Feet Screws for Rack Desktop Conversion Software CD Bundle solutions only User Guide amp Owner s Manual i 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 specifications OWC Mercury Rack Pro mini SAS Chapter 1 Introduction 1 4 Rear View amp Cable Connections Power Input Voltage Switch External mini SAS Port Cable Connections 7 Plug the power cable into the wall and into the OWC Mercury Rack Pro 2 Verify that the voltage switch is set properly for your country 3 Connect your external mini SAS cable to your external mini SAS controller card neither are included 1 5 Front View amp LED Indicators 1 5 1 LED Indicators Each drive by has a multicolor LED indicator Power e Off Power off Blue Power on all 4 drive bays Power On Off button is inside the front d
16. issions in this document or from the use of the information contained herein Other World Computing reserves the right to make changes or revisions in the product design or the product manual without reservation and without obligation to notify any person of such revisions and changes FCC Statement Warning Modifications not authorized by the manufacturer may void the user s authority to operate this device NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference with radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense NOTE 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 equip ment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruc
17. ity 4 TB 4 000 819 539 968 Bytes Connection Bus FireWire Write Status Read Write Connection Type External S M A R T Status Not Supported a Connection ID 512384778305789 Partition Map Scheme Unformatted Once you ve selected the OWC device you will notice the above change in the Disk Utility application Click on the Partition tab in this picture 4 029 0 0 Q 3 fh 5 Verify Info Burn Mount Eject Enable Journaling New Image Convert Resize Image First Aid Erase Partition RAID Restore E 2500 11 GB Hitachi HTSS Macintosh HD olume Scheme Volume Information 4 TB OWC NT MS EE 1 Partition 54 5 HL DT ST DVDRW 521 Name Untitled 1 Format Mac OS Extended Journaled 34 Size 4 00 TB To partition the selected disk choose a volume scheme Set the name format and size for each volume Then click Apply A new partition will be created Size 4 TB Options Revet Apply Disk Description OWC Total Capacity 4 TB 4 000 819 539 968 Bytes Connection Bus FireWire Write Status Read Write Connection Type External S M A R T Status Not Supported Connection ID 512384778305789 Partition Map Scheme Unformatted You then need to choose how many partitions you wish your OWC Mercury Rack Pro to have For ease of use we re selecting one partition here but of course you could select more if you wish to h
18. lick on the Initialize button 2 eoo Disk Utility First Aid Restore If you re having trouble with the selected disk e Click Repair Disk If the repair fails back up and erase the disk If Repair Disk is unavailable click Verify Disk If the disk needs repairs start up from your Mac OS X installation disc and then choose Utilities Disk Utility If you have a permissions problem with a file installed by the Mac OS X installer click Repair Disk Permissions Oo M Show details Clear History Verify Disk Permissions Verify Disk arn P Repair Disk Permissions Repair Disk Select the device with no volumes attached to it in this picture that would be the 4 TB OWC device Click on the picture of the drive icon next to the text OWC Mercury Rack Pro mini SAS Chapter 3 Formatting e OWC zm E 0800 Q nD Verify Info Burn X Mount Eject Enable Journaling Newlmage Convert Resize Image Z 500 11 GB Hitachi 55 aa ge Macintosh HD Volume Scheme Volume Information 4 TB urrent 24 HL DT ST DVDRW GS21N Name 8 0 Format Mac OS Extended Journaled Size Bytes To partition the selected disk choose a volume scheme Set the name format and size for each volume Then click Apply Options Revert Apply E Disk Description OWC Total Capac
19. nction e Other World Computing recommends the use of normal glass cleaning products to keep the high lustre finish at its finest with this product Be sure not to get any moisture inside the holes and if you do allow time to air dry before use Do not block the ventilation outlets on the rear of the drive These help to keep your drive cool during operation Blocking the ventilation outlets may cause damage to your drive and cause an increased risk of short circuiting or fire 800 275 4576 R1 2 7 11 JD OWCMANMRPMSAS Copyright 2009 11 Other World Computing All Rights Reserved Other World Computing s Limited Warranty is not transferable and subject to limitations
20. on will not be modified Size Available space 3 99 TB Options Revert o Disk Description OWC Total Capacity 4 TB 4 000 819 539 968 Bytes Connection Bus FireWire Write Status Read Write Connection Type External S M A R T Status Not Supported Connection ID 512384778305789 Partition Map Scheme GUID Partition Table After a few moments partitioning will complete and the OWC Mercury Rack Pro volume will mount on your desktop You can quit Disk Utility youre all set Only for XP 2000 ME and earlier XP 64 BIT Vista amp Windows 7 can continue to the next section If you purchased a preconfigured solution from OWC it comes preformatted using the Mac OS HFS file system on a GUID drive partition Unfortunately this is not readable by Windows without special software If you wish to use your storage solu tion on a computer running Windows you will need to repartition and reformat using the following instructions Command Prompt D Go to the DOS command prompt by select ing Run from the Start Menu a cm stat the name of program Folder document or 2 Type i n cmd i n text box an d h it th e O b ut f Internet resource and Windows will open it for you I to n Open cmd v OK Cancel Browse diskpart and hit enter cx C WINDOWS system32 cmd exe diskpart lt C gt Copyright 1985 2661 Microsoft Corp C Documents an
21. oor on the left side Access Flashing Red Drive being accessed e Blinking red Rebuilding RAID array e Solid Red Faulty drive Sd TSAR ge ood eit pq SODA OE PORE OE 7 pee OWC Mercury Rack Pro SAS Chapter 1 Introduction 1 6 RAID Modes The OWC Mercury Rack Pro mini SAS does not have any RAID functions built in however most RAID cards you will choose to use with the OWC Mercury Rack Pro mini SAS will These definitions of different RAID modes are provided to help you decide which mode is best for you to use 1 6 1 Combine 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 Combining is an array not RAID that is written sequentially to across the hard drives By itself it does not provide any performance or redundancy benefits Storage Capacity Data Safety Performance ee 1221 1 6 2 Disk Striping RAID 0 The drives show up as one large single volume It is highly recommended to use identical hard drives for this RAID method However you can utilize drives of different capacity but realize that the RAID size will be based on the smallest capacity total of the drives used in the RAID set Used when speed is the primary objective but RAID Level 0 also called striping is not redundant This array splits each piece of data across the drives in segments Since data is written without parity data checking it allows for the fas
22. redundancy data will be lost 1 Check the Drive LED and replace the faulty drive The red LED indicates the defective hard drive Depending on the controller card you are using the power may need to be turned off check your controller card manual to confirm this You may be able to leave the RAID powered on 2 After replacing the defective drive power on the OWC Mercury Rack Pro if neces sary 3 Using the RAID controller card managment software follow the instructions there or within the RAID controller card manual to proceed with the rebuild process Depend ing on the card you are using this may be automatic NOTE Combined drives or independent drives can have the data from the good drives recovered in most cases OWC Mercury Rack Pro mini SAS Chapter 2 System Setup 2 3 Connections to Computer aa cnt a OR 45 Ee Power Input External mini SAS Port Voltage Switch 1 Plug the power cable into the wall and into the OWC Mercury Rack Pro 2 Verify the voltage switch is set properly for the country you reside in 3 Connect the mini SAS port to your controller card If sold as a preconfigured solution your Mercury Rack Pro is preset as a RAID 5 using the Mac OS Extended format and is ready to use If you want to change this configuration please follow the instructions in Chapter 3 to do so A few precautions and notes when using your external storage device e Donotexpose the product
23. test data transfer rates but if one drive fails the whole array can become corrupted Storage Capacity Data Safety Performance 1 6 3 Disk Mirroring RAID 1 only 2 drives installed The drives show up as one volume but only 50 of the total capacity can be used It is highly recommended to use identical hard drives for this RAID method However while you can utilize drives of different capacity the RAID size will be based on the smallest capacity total of the drives used in the RAID set RAID 1 creates an exact copy or mirror of a set of data on the second drive This is useful when reliability and backup are more important than capacity When one drive fails it can be replaced and the data rebuilt Storage Capacity Data Safety Performance 70 10 ee OWC Mercury Rack Pro mini SAS Chapter 1 Introduction 1 6 4 Disk Mirroring with Striping RAID 10 also known as RAID 1 0 The drives show up as one volume but only 50 of the total capacity can be used depending on the drive with the smallest capacity RAID 10 creates an exact copy or mirror of a set of data but also uses a RAID 0 Stripe for speed When one hard drive fails it can be replaced and the data rebuilt automatically Storage Capacity Data Safety Performance EXE ea 1 1 6 5 Disk Striping with dedicated parity RAID 3 The drives show up as one volume but the total capacity depending on the drive with the smallest
24. ting Customer Service Read this manual and review Chapter 4 Troubleshooting amp Tips Visit our tech center for more support suggestions including FAQs http eshop macsales com tech center If you still need support please have the following available to you serial number of the enclosure e Your invoice number e What operating system you are using e Which kind and model of computer you are using All of this will help speed your support contact along 6 2 Support Hours Of Operation 8AM 10PM CST Monday Friday 9AM 4PM CST Saturday By Telephone 800 275 4576 North America only International customers please call 815 338 8685 Live Chat is available 24 hours a day 7 days a week Visit http eshop macsales com for more information Or you can email Submit your email at http eshop macsales com Service Tech cfm Copyrights Copyright 2009 11 Other World Computing Inc All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written consent of Other World Computing Changes The material in this document is for information only and subject to change without notice While reasonable efforts have been made in the preparation of this document to assure its accuracy Other World Computing assumes no liability resulting from errors or om
25. tions 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 with 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 e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver Connect the equipment to an outlet on a circuit different from that to which the receiver is connected Health And Safety Precautions e Use proper anti static precautions while performing the installation of your hard drives into this drive enclosure Failure to do so can cause damage to your drive mechanisms and or the hard drive enclosure e Read this User s Guide carefully and follow the correct procedure when setting up the device Do not open your hard drive or attempt to disassemble or modify it Never insert any metallic object into the drive to avoid any risk of electrical shock fire short circuiting or dangerous emissions Your hard drive contains no user serviceable parts If it appears to be malfunctioning have it inspected by a qualified Other World Computing Technical Support representative Never expose your device to rain or use it near water or in damp or wet conditions Never place objects containing liquids on the drive
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