Raidon GR3630-SB3
Contents
1. Pri HDD OK Sec HDD MISSING Pri HDD OK Sec HDD FAILED Pri HDD OK Sec HDD OK Pri HDD OK Sec HDD OK Common messages 1 OK hard disk status is normal 2 Missing You have not installed hard disk 18 Installation of GR3630 www RAIDON com tw RAIDON 3 Failed You have installed hard disk but it has failed to operate 4 F When F appears on the top right corner of monitor it represents that the fan has already malfunctioned and is not working Please visual inspect whether or not the fan has stopped working If the malfunction is confirmed please return it to original factory to repair T When T appears on the right bottom corner of monitor it represents that the interior temperature of product is too high exceeding 60 C If it is being used for a long period of time under an overheated condition it would damage the hard disks We suggest you to switch off the power to allow the temperature to drop before rebooting Installation of GR3630 19 www RAIDON com tw RAIDON Appendix A Frequently asked questions Is it alright to use RAID 1 to do hard disk backup function Yes RAID 1 is a mirror function itself If your hark disk requires RAID 1 to do backup function please place your hard disk containing data in Pri HDD Source position to set as RAID 1 and after booting place the new hard disk in Sec HDD Target position The system will do data backup f2. 1 20068 HDD 2x200GB 400 GB RAID 1 Mirroring possesses error tolerance capability two hard disks are required As RAID 1 is composed of two hard disks it can be referred to as disk mirroring Each data will simultaneously be written in two disks and that the data in two disks are exactly the same Whenever one of the disks fails the system is still able to operate normally RAID 1 features excellent data security and is most commonly and widely used among all the RAID levels and most compliance to the original design concept 4 Anintroduction to RAID www RAIDON com tw RAIDON The computing method of RAID 1 hard disk capacity total capacity minimum capacity of hard disk Ex 2 x 50068 HDD 500GB 1 x 500GB HDD 1x 200GB HDD 200GB The following is a comparison of two RAID levels i i i i Minimum RAID Level Basic operation Disk applicable Data transmit Data reliability hard disk requirement Total h isk m Rd mE i iis capacity principle space rate Chapter 2 Characteristics and specifications 2 1 Product appearance and accessories guide Front view S 1 LCD
3. 3 4 1 LCD monitor operation guide 3 4 2 LCD monitor message guide Appendix A Frequently asked questions RAID GUI Instruction Energy saving www RAIDON com tw RAIDON Chapter 1 An introduction to RAID 1 1 What is RAID The idea of RAID Redundant Array of Inexpensive Disks was first proposed by David A Patterson Garth Gibson and Randy H Katz at University of California Berkeley in 1988 The purpose of RAID is to store the same data in multiple hard disks at different places and to improve the performance of storage system The advantages of RAID are to provide better productivity effectiveness and data error tolerance and these can be done by distributing workload parallelly to a number of disk drive entities to achieve better performance And through multi operation of data whenever one or several hard disk or magnetic area has a problem we can still find the mirror copy of data in another hard disk and so to achieve error tolerance Not only does RAID controller be able to assist users in ensuring that they can see their operating system in logical disk drive they can also feel at ease without having to worry on how to manage this complicated construction Generally in order to get better result we suggest users to choose a hard disk in same brand and same model while installing them in RAID as a matching performance of these hard disks would allow the array to operate better than a single hard disk 1 2 Comparison of
4. until the temperature cool down Besides after the temperature is cooling down the fan will turn to standby mode and stop working During data auto rebuilding GR3630 will complete the process once it on synchronization And after the rebuilding progress is finished GR3630 will be synchronized for energy saving as well Required version GR3630 SB3 PCB Version V1 1 above GR3630 WSB3 PCB V2 0 above If you want to check the PCBA version please take out the HDD tray to examine it URL 17 a 1 E 28 GR383WR114 GR3630 WSB3 GR36320 25 WSB3 PCB V2 GR3630 SB3 GR3630 29 GR363SB110 Energy saving 25 www RAIDON com tw
5. Map Scheme Master Boot Record D 2 Add in GR3630 hard disk name and do formatting operation Choose hard disk formatting and disk drive name setting can be set as GR3630 eoo 57315003 4145 Media 8232 9 GB WDC WD2500 First Aid Erase Partition RAID Restore E Macintosh HD To erase all data on a disk or volume 1 Select the disk or volume in the list on the left 2 Specify a format and name 3 If you want to prevent the recovery of the disk s erased data click Security Options 7 SONY DVD RW DW D150A 4 Click Erase To prevent the recovery of previously deleted files without erasing the volume select a 2 rr2310 00 MacOSX uni volume in the list on the left and click Erase Free Space 3 Xbench 1 3 dmg 3 03 000 globalSAN 3 3 0 43 dmg Volume Format MS DOS UNTITLED Security Options Erase ea le Disk Description ST315003 41AS Media Total Capacity 1 4 1 500 301 910 016 Bytes Connection USB Write Status Read Write Connection Type External SMART Status Not Supported USB Serial Number ABCDEF0123456789 Partition Map Scheme Master Boot Record 14 Installation of GR3630 www RAIDON com tw RAIDON X After finish setting the disk drive please click Erase buttons 6 amp 6 then start formatting the hard arive 2232 9 GB WDC WD25 Macintosh HD I 1 4 TB 57315003 414 E disk1s1 S
6. RAID 0 and RAID 1 RAID 0 Striping fast speed but has no error tolerance two hard disks are required RAID 0 is currently the fastest RAID It is a type of performance oriented disk mirroring method The function of RAID 0 is that it is able to combine two or more hard disks to work as a large hard disk While all the hard disks are reading or writing under Stripe mode they will be started up simultaneously Assuming that you are writing a 10MB file and you have two hard disks to work under Strip At this instant every disk will start up simultaneously to write this file and sub divide it into two equal parts and simultaneously write it in two hard disks each in writing 5MB Therefore the writing time is only half the original time When you want to retrieve this file you only need to retrieve 5MB each from two hard disks vice versa and so the time needed is only half As reading and writing of file by each hard disk is only half the original time therefore the reading and writing performances are the fastest among all RAIDs However as RAID 0 array does not backup data whenever one of the disks is damaged the entire array will be malfunctioned to result with all data lost in the array Thus we can say that RAID 0 does not have any error tolerance capability at all The computing method of RAID 0 hard disk capacity total capacity hard disk number x minimum capacity of hard disk Ex 2 x 50068 HDD 2 x 500GB 1000GB 1 x 500GB
7. keys at the front of the product Characteristics and specifications www RAIDON com tw RAIDON 2 4 Message Indication of LED and Buzzer LED Indicators Status Buzzer Power LED Alarm LED HDD LED FPoweron ______ Beerteon Suerte n PRebuicing Bue Lighton Chapter 3 Installation of GR3630 3 1 Installation of hard disk 1 Press the hard disk tray button X Press the hard disk tray button and pull out the hard disk tray RAIDON 2 Install two brand new SATA hard disks in the hard disk trays and secure each of them with screws at four positions as indicated in the diagram using the screw pack provided Finally insert the hard disk trays into GR3630 Installation of GR3630 9 www RAIDON com tw RAIDON 3 2 Product connection and booting 1 Connect AC power cord to your power outlet and GR3630 2 Choose the interface USB amp eSATA amp 1394b that you want and hook up your computer with the connecting cable X Choose only one type of interface to hook up with your computer 3 Switch on the power of GR3630 when the LCD displays Pri HDD OK and Sec HDD OK after about 20 30 seconds it indicates that GR3630 has been boot
8. with a buzzer Whenever there is an error during the application process apart from lighting up the warning light at the front the product will also emit a warning sound If users do not want the warning sound they can switch this off 6cm fan 6 Characteristics and specifications www RAIDON com tw RAIDON 5 USB port 6 eSATA port 7 Security lock hole If users want to secure the product in a specific place permanently they can buy themselves a lock to secure the lock at this position 8 1394b port Parts list Item GR3630 SB3 GR3630 WSB3 TV __ __ CTI s X After opening the package of this product please ensure that related accessories of the model you purchased are complete with nothing missing and the appearance and functions are all intact Should you discover any problem with the product please contact the store or agent where you bought the product as soon as possible 2 2 Product detailed specifications Model GR3630 SB3 GR3630 WSB3 Characteristics and specifications 7 www RAIDON com tw RAIDON yes abnormal temperature yes abnormal temperature Environmental Detection and fan operation and fan operation Cooling Fan DC 12V 6cm 3500 rpm DC 12V 6cm 3500 rpm Power Input AC 100 240V AC 100 240V Built in Power Supply DC 12V amp 5V 70W DC 12V amp 5V 70W Gui Operating
9. C WD1800BEVS 75RSTO WDC WD1200BEVS 00RSTO Firmware Version 091016 1 C00 Detected OK System Status indicates the instant status and information of installed storage drives also by click on Log button from the lower right corner will give the records of event log Concurrent events will also be recorded to the log which automatically saved in the same folder of RAID GUI software When two of the same storage devices are installed you may switch the corresponding storage device by selecting device number as Device 1 from the upper left corner RAID GUI management only supports maximum of 2 storage devices 2 Firmware Upgrade So RAID Management v Firmware Version 091016 1 00 Please do not disconnect the device while updating firmware to prevent from the update failed you backup data to other device before updating firmware EMail Notify In case the update firmware failed results in data loss we strongly suggest Upgrade RAID GUI Instruction 23 RAIDON com tw RAIDON Firmware Upgrade allows for the upgrades to the firmware of corresponding device also indicates the existing version of firmware to the corresponding device A Note If installed storage device operates normally we strongly recommend not upgrading the existing firmware 3 E Mail Notify RAID Management CINES E Mail Setup Pot 25 Defauk 25 E Mail Host SMTP Loca
10. D OK Sec HDD FAILED l Pri HDD Sec HDD MISSING Pri HDD OK Sec HDD INSERT i Rebuild Pri gt Sec Pri HDD OK ENT Y ESC N 10s Sec HDD FAILED i Rebuilding Pri gt Sec 6 Pri HDD OK Sec HDD OK 20 Appendix A Frequently asked questions www RAIDON com tw RAIDON Sec HDD has found to be damaged Remove the damaged Sec HDD Insert a new hard disk into Sec HDD position After about 5 seconds the system will ask you whether or not to rebuild If you do please click on ENTER key if not please click on ESC key After confirming to rebuild data GR3630 will start to copy hard disk data and display the working progress After finish copying the data it will return to standby screen If you choose to abandon data rebuilding the screen will return to a screen that reminds user that Sec HDD has been destroyed same as screen 1 Under the circumstance that Pri HDD is damaged Pri HDD FAILED Sec HDD OK Pri HDD MISSING Sec HDD OK Pri HDD INSERT Sec HDD OK l Rebuild Sec gt Pri Pri HDD FAILED ENT Y ESC N 10s Sec HDD OK 6 Rebuilding Sec gt Pri 00 i 6 Pri HDD OK Sec HDD OK 1 Pri HDD has found to be damaged 2 Remove the damaged Pri HDD 3 Insert a new hard disk into Pri HDD position 4 After ab
11. ODE gt RAID 0 MODE 5 DATA WILL LOSE gt Raid Mode Changed YES NO YES NO YES NO PIs Reboot Sys EnterE Up SETUP PASSWORD 5 PASSWORD 5 PASSWORD 0000 5 SETUP PASSWORD YES NO 0000 YES NO OK EnterE 6 There are two functional setup options one of them is RAID level setting and the other is login password setting 7 The factory default setting of RAID level is RAID 1 therefore upon entering you will be asked whether or not to change RAID 0 A change of RAID level would cause the original hard disk data to get lost please pay special attention to it 8 Use UP DOWN key to input custom password Password changing is to allow users to customize their personal preferences After it has been changed please record the password personally Should you forget about it it would cause disturbances to application Installation of GR3630 17 www RAIDON com tw RAIDON X GR3630 WSB3 GR3630 WSB3 e RAID 1 V100 0812 Pri HDD OK Sec HDD OK 1 Down GR3630 WSB3 2 RAID 1 V100 0812 Down Li SYSTEM TEMP 35 J Down SYSTEM FAN 4 3500 RPM Down 1 Upon booting the standard standby screen will display the hard disk operation status 2 It will display product model RAID level firmware edition 3 It will display system temperature 4 It will display fan rotation 3 4 2 LCD monitor message guide Pri HDD OK Sec HDD OK
12. ONY DVD RW DW D1 3 rr2310_00 MacOSX u Xbench_1 3 dmg Configurator 3 03 00077 globalSAN 3 3 0 43 dmg Disk Description Connection Bus Connection Type gy USB Serial Number 57315003 4145 Media 51315003 41AS Media Erase Disk Erasing a disk will destroy all information on the volume of the disk This disk has 1 volume Sar ick Security Options Are you sure you wish to erase the disk UN the volume select a Volume Format MS DOS FAT Name UNTITLED Security Options Total Capacity 1 4 TB 1 500 301 910 016 Bytes Write Status Read Write External S M AR T Status Not Supported ABCDEF0123456789 Partition Map Scheme Master Boot Record 3 Setting is finished you can start using this product X After finish formatting the hard disk it will display the disk drive name GR3630 131 232 9 WD2500J E Macintosh HD 1 4 TB ST315003 4145 EI GR3630 SONY DVD RW DW D150A rr2310 00 MacOSX uni Xbench 1 3 dmg Configurator 3 03 000 globalSAN_3 3 0 43 dmg Mount Point Volumes GR3630 Format MS DOS FAT32 Owners Enabled No Number of Folders 0 GR3630 p First Aid Erase RAID Restore To erase all data on a disk or volume 1 Select the disk or volume in the list on the left 2 Specify a format and name 3 If you want to prevent the recovery of the disk s erased data click Security Options 4 Click Erase To preve
13. P or E ase NT nsa 1789 Helv zs mezge s Heber cem 17 a mos E Bo Services ard applcatens I Pinay panton Ended partion M Locale Installation of GR3630 11 www RAIDON com tw RAIDON X According to Disk Management Wizard instructions click Next to proceed the process until finish E tompier Management ne min uiw Vb es mme baw pam WINVISTA HOMEBA Windows 2008 Server Healthy Heli 3 Setting is finished you can start using this product X After finish setting and formatting the hard disk it will display a disk drive code as shown in the diagram we reb Tte Tepe ie Sean s actin Ease NIES heathy Free senes Torres ond Bee eathy Gon sig 20256 cem 17 1460 Pinay patton B Loge dive 12 Installation of GR3630 www RAIDON com tw RAIDON X After finish setting your computer will display a disk code to note that you can now use GR3630 normally 2 My Computer 124 Edit View Favorites Tools Help 77 gt J Peah F Address W My Computer Bo LL Files Stored on This Computer Shared Documents Administrator s Documents Hard Disk Drives System Tasks S
14. RAIDON Safe TANK GR3630 SB3 WSB3 User Manual RAIDON v 1 0 January 2012 www RAIDON com tw RAIDON About this Manual Thank you for purchasing RAIDON products This manual will introduce the RAIDON GearTANK GR3630 and before using it please read this manual thoroughly Although all information contained in this user manual has been carefully verified before publishing however the actual product specifications or relevant information may be found on www RAIDON com tw Products are subject to change without prior notifications If you have any questions regarding the products of RAIDON or you would like to know the latest product information user manual update or firmware update please contact your local supplier or visit www RAIDON com tw for further information Copyright RAIDON TECHNOLOGY INC All rights reserved www RAIDON com tw RAIDON Index Chapter 1 An introduction to RAID 1 1 4 1 2 Comparison of RAID 0 and RAID 1 Chapter 2 Characteristics and specifications 2 1 Product appearance and accessories guide 2 2 Product detailed specifications 2 3 Precautions before application 2 4 Message Indication of LED and Buzzer Chapter 3 Installation of GR3630 3 1 Installation of hard disk 3 2 Product connection and booting 3 3 Hard disk formatting and disk drive establishing 3 3 1 Windows operating system 3 3 2 MAC operating system 3 4 An introduction to other functions
15. System Windows amp Mac amp Linux Windows amp Mac amp Linux Quality Certification CE amp FCC CE amp FCC 2 3 Precautions before application Although GR3630 allows users to use hard disks of different capacities but if you want to best application performance and best product compatibility we suggest you to use brand new hard disks of same specifications model number and brand If you want to install GR3630 in two used hard disks before installation please first backup data in these hard disks to other hard disk to avoid data loss in the setting process later on Please ensure that the two hard disks do not contain bad track as a precaution if one of them fails it may cause a system crash or a risk to lose all data The factory default value of GR3630 is RAID 1 we suggest users to first consider the application before using it If your requirement is data security please set it as RAID 1 mode and if your consideration is to expand storage capacity please set it as RAID 0 mode Should you need resetting later on it would destroy the data in the disks RAID 0 has no data backup function but it is capable of combining all the hard disks to form a large capacity hard disk with faster transmission performance But whenever one of the hard disks fails it would destroy the data in all the hard disks Users are able to set RAID level and GR3630 basic functions through the LCD monitor and the right
16. WINDOWS XP SP3 C S WIN VISTA HOME 64 D EP winoows xp 64817 6 Loca Der Ee data G be Windows 2008 Server H New Volume I Local Disk m P m File System NTFS Free Space 1 36 TB Total Size 1 36 TB Devices with Removable Storage 3 Floppy A 3 3 2 MAC operating system 1 Enter into Disk Utility of your computer Finder File Edit View Go Window Help Disk Utility Installation of GR3630 13 www RAIDON com tw RAIDON X Click on this hard disk device eoo 57315003 41AS Media Yer FirstAid Erase Partition RAID Restore If you re having trouble with the selected disk 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 gt SONY DVD RW DW D150A If you have a permissions problem with a file installed by the Mac OS X installer click Repair Permissions a 112310 00 MacOSX uni a Xbench 1 3 dmg Show details Configurator 3 03 000 a globalSAN 3 3 0 43 dmg Verify Disk Pe Repair Disk Permi Disk Description ST315003 41AS Media Total Capacity 1 4 TB 1 500 301 910 016 Bytes Connection Bus USB Write Status Read Write Connection External S M A R T Status Not Supported a USB Serial Number ABCDEF0123456789 Partition
17. ed X The factory default value of GR3630 is RAID 1 mode GR3630 SB3 Pri HDD RAID 1 V100 0812 Sec HDD GR3630 WSB3 b Pri HDD RAID 1 V100 0812 Sec HDD 3 3 Hard disk formatting and disk drive establishing 3 3 1 Windows operating system 1 Enter into device manager of your computer X Use the mouse to click on My Computer and then click the right mouse button to select Management option Open Explore Network Drive Disconnect Network Drive Create Shortcut Delete Rename Properties 10 Installation of GR3630 www RAIDON com tw RAIDON X Click on Disk Management Tepe sean to Paster NTFS Penh mong won NS 1 97 17091 NFS 109990 Tesis Faut really Sten 2 0168 17 1465 ene ior ace D C1 en Heath System Heath Boot L Healthy Healthy E natales 2 Add in GR3630 hard disk and format it X During the setting process we suggest you to choose NTFS format X Move the mouse to the upper region of Non configured area and click the right button it will display the list of New Disk Partition Tus gps sean sco Tesgsary reo eo eau ovoend Partin Base NTFS Hey ma monem mma ve om oum sta HONE 6A 09 wrons 028 server WIDOWS
18. l Information 4 Name E Mail Address Time Out Connect E mail Host SMTP Login Authentication E Mail Notify provides auto E Mail notifications of HDD removal or failures to the designated E Mail addressee E Mail notify can be disabled temporarily or permanently after configuration by selecting Don t send Email for this event from each error options A Note This function activates only under operating states of RAID GUI 4 About x RAID Management RAID Management Sofeware Version 0 23 6 RAIDON TECHNOLOGY INC Copyright 2000 2010 RAIDON Technology Inc All Rights Reserved Detected OK About indicates the version of RAID Management the RAID GUI software 24 RAID GUI Instruction www RAIDON com tw RAIDON 6 Energy saving GR3630 and the OS are synchronized to standby sleep shut down mode for green and cost saving Also GR3630 is recovered for normal usage while operating powering on the PC GR3630 will change to energy saving mode after switching on the power also the fan LCD and HDD will stop its operation which is a normal condition After connecting to the PC GR3630 will operate normally Please always connect the USB cable to the computer for ensuring the energy saving function operating normally If the temperature of GR3630 is over 55 under energy saving mode the fan will rotate automatically
19. nt the recovery of previously deleted files without erasing the volume select a volume in the list on the left and click Erase Free Space Volume Format MS DOS FAT Name GR3630 Erase Free Space Security Options Erase Capacity 1 4 TB 1 500 301 877 760 Bytes Available 1 4 TB 1 499 934 294 016 Bytes Used 1 3 MB 1 343 488 Bytes Number of Files 0 Installation of GR3630 15 www RAIDON com tw RAIDON 3X The desktop will automatically create disk drive name GR3630 you can start using this product Finder File Edit View Go Window Help Disk Utility GR3630 3 4 An introduction to other functions 3 4 1 LCD monitor operation guide X GR3630 SB3 5 PASSWORD CHANGE RAID MODE GR3630 SB3 Booting 0000 YES NO EnterE Pup 1 Up Pri HDD OK SETUP PASSWORD Sec HDD OK YES NO J Down GR3630 SB3 RAID 1 V090707 1 Down SYSTEM TEMP 35 J Down SYSTEM FAN 3500 RPM 16 Installation of GR3630 www RAIDON com tw RAIDON 1 After power ON and before entering standby screen click on ENTER key you will enter into product function setup options product default password is 0000 2 Upon booting the standard standby screen will display the hard disk operation status 3 It will display product model RAID level firmware edition 4 It will display system temperature 5 It will display fan rotation CHANGE RAID M
20. out 5 seconds the system will ask you whether or not to rebuild If you do please click on ENTER key if not please click on ESC key Appendix A Frequently asked questions 21 www RAIDON com tw RAIDON 5 After confirming to rebuild data GR3630 will start to copy hard disk data and display the working progress 6 After finish copying the data it will return to standby screen 7 If you choose to abandon data rebuilding the screen will return to a screen that reminds user that Pri HDD has been destroyed same as screen 1 Q Do GR3630 Series have volume limitation A If you want to use GR3630 with the volume over 2TB RAID 0 mode please make sure that your computer and the operating system are both 64 bit or above Or the computer may not work well with GR3630 Due to the hardware limitation the 32 bit PC and OS can only support storage volume under 2TB 22 Appendix A Frequently asked questions www RAIDON com tw RAIDON RAID GUI Instruction RAID GUI is the software for device status monitoring and firmware upgrades self developed by RAIDON for RAIDON 2045 RAID chip RAID GUI can be executed directly without installation and only under Windows operating system Please refer to the definitions of each function below 1 System Status RAID Management Mode Striping RAIDO System Capacity 223 GB HDD2 Firmware Upgrade EMail Notify Capacty 149GB Capacity 11168 About WD
21. panel Display different product messages including RAID mode fan speed product interior temperature and hard disk status 2 UP DOWN selection key The operation key for function setting options cycle function 3 Cancel key ESC The operation key for function setting options abandon function Characteristics and specifications 5 www RAIDON com tw RAIDON Confirm key ENTER The operation key for function setting options confirm function Power lamp blue It will light up continuously after power ON Failure warning light red It will light up when there is an interior fault including three status of hard disk failure fan failure and when temperature is too high Hard disk tray handle Hard disk tray button The operation key for removing the hard disk tray Hard disk reading writing light blue Display different product messages including RAID mode fan speed product interior temperature and hard disk status Rear view GR3630 SB3 Rear view GR3630 WSB3 9 oe CAUTION CAUTION Please ensure each plug is properly Please ensure each plug is properly connected before turing on power connected before turing on power 2 9 AC power socket Power switch Warning sound effect switch Mute The product is built in
22. unction automatically After GR3630 has finished rebuilding the data in two hard disks would be exactly the same Is it alright to use a single hard disk under RAID 1 Yes but it would completely loss its originally RAID 1 data security function We suggest you to use two hard disks under RAID 1 mode to ensure data security Under a single hard disk RAID 1 is unable to perform mirroring function If one hard disk is damaged the interior data would be destroyed completely Whenever one hard disk is damaged we suggest you to replace it with a new one as soon as possible If GR3630 LCD monitor displays an error in hard disk what should do If you are using RAID 0 mode please ensure which hard disk has caused the error and switch off the power of GR3630 remove the damaged hard disk and replace it with a new one After rebooting the system will rebuild RAID 0 system but the original data would all be lost If you are using RAID 1 mode you can remove the damaged hard disk and replace it with a new one directly without having to switch off power After the new hard disk has been inserted the System will start to rebuild program automatically After finish rebuilding you can then use it normally Please note that during the process of system data rebuilding do not remove any hard disk to ensure an integrity of data X Under RAID 1 status the data rebuild process Under the circumstance that Sec HD is damaged Pri HD
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