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Introduction

Summary Comparison of RAID Levels

Data

  RAID         Common                  Description                 Array's        Data           

Transfer

 Level           Name                                                    Capacity    Reliability     

Capacity

                                                                                                                     

                    

           

Data distributed across the

    0           

Disk          disks in the array.                      ( N )            Low          Very

                  S  t r ip

  i n  g

          No redundant Information       disks                           High

                                     provided.

Ver y

    

1

          

Mirroring        All data Duplicated               1*disks         

           High

High

                                                                                                       

3

            

Parallel        Data sector is subdivided       ( N-1 )          Very        Highest

              Transfer        and distributed across all        disks           High         of all
             Disks with      data disk. Redundant                                                listed
              Parity            information stored on a                                            alter-
                                  dedicated parity disk.                                               natives

5       Independent   Data sectors are distributed    ( N-1 )          Very          Very
         Access Array    as with disk striping,                  disks           High          High
         with Rotating    redundant Information is
         Parity                interspersed with user data.

1-12

Содержание E6

Страница 1: ...easyRAID E6 19 Rackmount Ultra 160 SCSI to IDE Disk Array System User s Guide Version 2 20A Jan 2002 ...

Страница 2: ...n the user is encouraged to try to correct the interference by one or more of the following measures Warning and Certifications This device is in conformity with the EMC 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 a...

Страница 3: ...m magnetic forces 5 Do not use this product near water 6 Keep the Disk Array away from dust sand or dirt 7 Gaps and openings in the cabinet and the back are provided for ventilation To ensure reliable operation and to protect it from overheating the gaps and openings should never be blocked or covered by placing the product on a bed sofa rug or other similar surface 8 Do not place this product nea...

Страница 4: ...k 14 Unplug the power cord from the wall outlet before cleaning Keep the Disk Array dry Do not use liquid cleaners aerosol cleaners or a wet cloth Use a damp cloth for cleaning 15 Except as specifically explained in this User s Manual please do not attempt to service this product by yourself Opening or removing the covers may expose you to dangerous voltages 16 Unplug this product from the wall ou...

Страница 5: ... free from extreme heat or cold Warning The Disk Array s LCD Panel may be damaged by exposure to intense sunlight Limit exposure to indirect or subdued sunlight only Your Disk Array should be used in a clean environment that is free from airborne contaminants such as dust dirt and smoke Excessive moisture or oil particles in the air can also hinder your system s performance To reduce the possibili...

Страница 6: ...n Introduces you to your new Disk Array s features and general RAID concepts Chapter 2 Getting Started Describes general information about this Disk Array Chapter 3 Configuration Provides a Quick and Easy way to setup this Disk Array Chapter 4 Advanced Information Describes information in more detail Chapter 5 Hot Swap Describes Hot Swap components Appendix A Technical Specification ...

Страница 7: ...1 14 Chapter 2 Getting Started General Overview 2 1 Unpacking Checklist 2 2 Choosing a place for Disk Array 2 3 Identifying Parts of Disk Array Front View 2 4 Rear View 2 5 Power Source 2 6 Installing the Hard Disk Drive 2 7 Host Linkage 2 10 Power On Self Test 2 11 LED Display Function Keys LED Display 2 12 Function Keys 2 13 LCD Status Panel 2 14 Chapter 3 Configuration General Overview 3 1 Conf...

Страница 8: ... 3 14 Password 3 15 Save Restart 3 16 Chapter 4 Advanced Information Memory Expansion 4 2 RAID Controller Block Diagram 4 5 Updating Firmware 4 6 Setting Up VT100 Terminal Emulation in Windows 4 7 Start to Update Firmware 4 14 Capacity Expansion 4 20 Chapter 5 Hot Swap Removing Installing Hard Disk Drive 5 2 Removing Installing Redundant Power Supply Unit 5 6 Removing Installing Cooling Fan 5 9 Ap...

Страница 9: ...This chapter will introduce you to your new Disk Array s features and provide information on general RAID concept Chapter 1 Introduction 1 1 ...

Страница 10: ...Array combines an extremely high speed microprocessor with the latest chip set SCSI hardware technology perfect firmware and an artistic design The result is one of the fastest most reliable Disk Array systems on the market Supports virtually all popular operating systems platforms and network environments because it works independently from the O S Ultra 160 LVD SCSI channel interface to your Hos...

Страница 11: ...y the individual HDD status When disk failure occurs on a member disk of the disk array the built in buzzer sounds simultaneously and LCD status panel also points out the location of the failed hard disk drive In the meantime the LED HDD status indicator will light up Red on the failed HDD tray according the LED indicator on the HDD tray you can perform quick efficient and correct maintenance Hot ...

Страница 12: ... to six which appear to the user to be equivalent to a single large capacity disk drive The remarkable benefit of disk array is that if any single disk in the RAID fails the system and array still continues to function without loss of data This is possible because the redundancy data is stored on separate disk drives and the RAID can reconstruct the data that was stored on the failed disk drive 2 ...

Страница 13: ...d or for data that must be available for critical system operation It is more suitable for data that can be reproduced or is replicated on other media A RAID level 0 array can be particularly useful for Storing program image libraries or runtime libraries for rapid loading these libraries are normally read only Storing large tables or other structures of read only data for rapid application access...

Страница 14: ...ications which make sequential requests for small amount of data These applications will spend most of their I O time waiting for disks to spin whether or not they use striped arrays as storage media Applications which make synchronous random requests for small amounts of data ...

Страница 15: ... member RAID level 1 is suitable for data for which reliability requirements are extremely high or for data to which high performance access is required and for which the cost of storage is a secondary issue RAID Level 1 Disk Mirroring High Data reliability Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 Disk 6 Physical 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 Data 1 2 3 4 5 6 7 8 9 10 11 12 Disk Array Controller A...

Страница 16: ...y of one of these types They operate on large data objects such as graphical image processing CAD CAM files and others They are non interactive applications that process large data sequentially They usually request a large amount of data 32KBytes or more with each I O request RAID Level 3 Parallel Transfer Disks with Parity High Data Reliability Highest Transfer Capacity Disk 1 Disk 2 Disk 3 Disk ...

Страница 17: ...e performance characteristics of RAID Level 3 RAID Level 3 provides excellent performance for data transfer intensive applications RAID level 3 in not well suited for transaction processing or other I O request intensive applications ...

Страница 18: ...would be in a RAID Level 0 array of equivalent usable capacity A RAID level 5 array performs best in applications where data and I O load characteristics match their capabilities Data whose enhanced availability is worth protecting but for which the value of full disk mirroring is questionable High read request rates Small percentage of writes in I O load RAID Level 5 Independent Access Array with...

Страница 19: ...ned a hot spare drive or by user intervention during a scheduled maintenance period the system will be restored its full data redundancy configuration by rebuilding all of the data that had been stored on the failed drive onto the new drive This is accomplished using parity information and data from the other data disks Once the rebuild process is complete all data is again protected from loss due...

Страница 20: ...ed Very 1 Mirroring All data Duplicated 1 disks High High 3 Parallel Data sector is subdivided N 1 Very Highest Transfer and distributed across all disks High of all Disks with data disk Redundant listed Parity information stored on a alter dedicated parity disk natives 5 Independent Data sectors are distributed N 1 Very Very Access Array as with disk striping disks High High with Rotating redunda...

Страница 21: ...ability Parallel Transfer Disks with Parity 3 Data is striped across physical drives 3 6 Parity protection is used for data redundancy Based on the needs of a Disk Array s capacity data availability and overall performance you can select a proper RAID level for your Disk Array The supported RAID levels are shown in below Independent Access Array with Parity 5 Data is striped across physical drives...

Страница 22: ...rnal Host cables length Internal Host cable length Standard Disk Array External cable length 90cm 3 ft Standard Disk Array Internal cable length 20cm SCSI Clock Data Cable Remark Type Rate Rate Required LVD Ultra 160 40 160 12m HPD 68 16 bit MHZ MB sec HPD 68 pin LVD Ultra 2 40 80 12m HPD 68 16 bit MHZ MB sec HPD 68 pin Ultra wide 20 40 2m HPD 68 16 bit MHZ MB sec HPD 68 pin Ultra SCSI 20 20 2m HP...

Страница 23: ...Parts of Disk Array Power Source Installing the Hard Disk Drives Host Linkage Power On and Self test LED Display and Function Keys LCD Status Display The following illustrations will help you read the further sections 2 1 Special Note RAID should never be considered a replacement for doing regular backup It s highly recommended to conduct a backup strategy for critical data ...

Страница 24: ...ms in the package The Disk Array One AC power cord One External SCSI cable Keys For HDD Trays User Guide RS 232 Cable Remove all the items from the carton If anything is missing or broken please inform your dealer immediately Save the cartons and packing materials that came with the Disk Array Use these materials for shipping or transporting the Disk Array 2 2 Getting Started Figure Checklist ...

Страница 25: ...omputer for the Disk Array s External SCSI cable to reach it Use a grounded wall outlet Avoid an electrical outlet controlled by wall switches or automatic timers Accidental disruption of the power source may wipe out data in the memory of your computer or Disk Array Keep the entire system away from potential sources of electromagnetic interference such as loudspeakers cordless telephones etc Caut...

Страница 26: ... Front View 1 LCD Status Display Panel 2 HDD Trays 1 3 From Up to Down 3 HDD Trays 4 6 4 Function Keys Enter ESC 5 Power On Indicator PWR Unit 1 PWR Unit 2 6 Host Computer Access Indicator 7 HDD Tray Lock Lock Unlock 8 HDD Status Indicator Error Red Access Yellow Power On Green 2 3 8 ...

Страница 27: ...er Terminal Port 2 Reserved 3 Power Supply Main Switch 0 I 4 Power Supply Unit 1 5 Power Supply Unit 2 6 AC Power Input Socket 7 SCSI Channel Port 8 Cooling Fan 9 Power Supply Alarm Reset Button 10 AC Voltage Select Switch 115V 230V 11 Power Supply Unit On Off Switch 0 I 12 Cooling Fan Screws ...

Страница 28: ...ponds with the wall outlet supply voltage Warning Wrong AC Voltage input will harm the power supply and cause serious damage to the Disk Array Figure Power Source This Disk Array is supplied with an AC power cord equipped with a 3 wire grounding type plug This is a safety feature and it is important to only use a 3 wire grounded mains power cord This Disk Array must be grounded 2 6 Getting Started...

Страница 29: ...2 7 Getting Started Figure Installing HDD step 1 2 Installing the Hard Disk Drives Step 1 Unlock the HDD tray by turning the Key lock to the correct position Step 2 Gently Pull out the HDD tray ...

Страница 30: ...ed 2 8 SCREWS SCREWS Cabling Figure Installing HDD step 3 4 5 Step 3 Insert HDD into the tray Step 4 Screw in the hard drive Use the correct size type and thread Step 5 Cabling Connect the Data cable and Power cable ...

Страница 31: ...Getting Started 2 9 Figure Installing HDD step 6 7 Step 6 Gently slide in the HDD tray Step 7 Lock the HDD tray When powered on the Green LED will light up ...

Страница 32: ... pair SCSI cable to connect your Host computer to the Disk Array s built in 68 pin SCSI adapter port Connect the Host computer as shown below Figure Host linkage Caution For safety reasons make sure the Disk Array and Host Computer are turned off when you plug in the SCSI cable 2 10 Getting Started Disk Array Host Computer SCSI Plug ...

Страница 33: ...r You should press the ON OFF Power Supply Switch on both of the power supply Hot Swap units and the Main Switch It will turn the Disk Array on and the Self Test will be started automatically 2 11 Getting Started Power Supply Unit s On Off Switch Power Supply Main Switch I 0 ...

Страница 34: ...D Power On Indicator light up Green It lights when the HDD frame is locked and Power On HDD Error Indicator light up Red when the HDD not installed or error 5 HDD Access Indicator light up Yellow when HDD is accessed 2 12 5 1 2 3 4 Getting Started LED Display Function Keys LED Display Shown below is the LED Display Please refer to the illustration the LEDs inform you of the Disk Array s current op...

Страница 35: ...front panel perform the following functions Up Arrow Right Arrow Use to scroll the cursor Upward Rightward Down Arrow Left Arrow Use to scroll the cursor Downward Leftward Enter Use to confirm a selected item ESC Use to exit a selection 2 13 Getting Started ...

Страница 36: ...the status on the LCD The following illustration shows the symbols characters been used and their representation A description of each of the symbols in LCD display window O On line and functional R Error occur I Identifying Disk Drive S Spare Disk Drive X Disk Drive not installed W Warning Disk Drive with too many Bad Sectors Example of the LCD status display window OOOOSX R5 ID 0 This informs yo...

Страница 37: ...o the configuration and tailor your Disk Array to your individual needs The setup program is a ROM based configuration utility which displays the Disk Array s status and allows you to set up the parameters The parameters are stored in a nonvolatile battery backup CMOS RAM which saves the information even when the power is off By using an easy to use user interface you can configure such items as R...

Страница 38: ...guration can be performed through this interface Function Key Definitions The four function keys at the top of the front panel perform the following functions Up Arrow Right Arrow Use to scroll the cursor Upward Rightward Down Arrow Left Arrow Use to scroll the cursor Downward Leftward Enter Use to confirm a selected item ESC Use to exit a selection Configuration 3 2 ...

Страница 39: ...res via Front Panel Main screen Re Config RAID No Yes RAID Level 5 3 1 0 0 1 None Hot Spare Disk Yes No Set SCSI ID 0 14 Termination Enable Disable Set Password 4 Digital Save Configuration No Restart Yes 3 3 Configuration ...

Страница 40: ...s the built in configuration program 3 When the screen displays the password prompt and asks you to Enter Password Enter Password 0 press Enter 4 times to input the default password default password is 0000 4 Re Configuration RAID Select No to just set up SCSI ID Terminator and Password Select Yes to set up RAID Level Hot spare disk SCSI ID Terminator and Password 3 4 Configuration ...

Страница 41: ...r of Disk Drives installed must be more than 3 Disk Drives 7 Set SCSI ID Each device on a specific SCSI bus must be configured with a target address which is a SCSI ID which is different from any other devices on the SCSI Bus The default SCSI ID for this system is ID 0 If you need to assign a different ID for your Disk Array The available SCSI ID for this system is ID 0 14 You must assign a differ...

Страница 42: ... and function keys to choose the desired characters and then press Enter to confirm it Press ESC function key for password No Change 10 Save Configuration Restart Select the Save Configuration function and Press the Enter key to save and activate your selections Warning All data will be lost if you change RAID Levels Saving configuration changes causes the disk array controller s working parameter...

Страница 43: ...igure the VT100 terminal settings to the values shown below VT100 Terminal or compatible Set up Connection Serial Port COM 1 or COM 2 Protocol RS232 Asynchronous Cabling Null Modem cable Baud Rate 115 200 Data Bits 8 Stop Bit 1 Parity None Keyboard Function Key Definitions Enter key Use to confirm a selected item ESC key Use to exit a selection A key Use to scroll the cursor Upward Rightward Z key...

Страница 44: ...erminal Main screen Re Config RAID No Yes RAID Level 5 3 1 0 0 1 None Hot Spare Disk Yes No Set SCSI ID 0 14 Termination Enable Disable Set Password 4 Digital Save Configuration No Restart Yes Yes On Line Expand No Enable Update Firmware No Yes Update ...

Страница 45: ...3 9 Configuration Main Screen ...

Страница 46: ...3 10 Configuration Re Config RAID Select No for setting SCSI ID Terminator Password Select Yes for setting all the configurations ...

Страница 47: ...3 11 Configuration Set RAID Level Move the cursor to the desired RAID Level 5 3 1 0 0 1 none and Press Enter to confirm it All Data will be lost by changing the RAID level Warning ...

Страница 48: ...ation Hot Spare Disk Select Yes to set One Disk Drive as a Hot Spare Disk This Function is valid in RAID level 5 and RAID level 3 the total Disk Drives installed must be more than 3 Disk Drives Disk Drives number 3 ...

Страница 49: ...which is different from any other device on the SCSI Bus The default ID for this Disk Array is ID 0 If you need assign a different ID for your Disk Array The available SCSI ID for this system is ID 0 14 You must assign a different SCSI ID to each SCSI device on the SCSI Bus The SCSI ID must be unique for each device ...

Страница 50: ...inating a SCSI chain is achieved by adding a terminator to each end of the SCSI Bus The Disk Array supports active termination in the controller s SCSI end Termination enabled must be set when the Disk Array is at one end of the SCSI Bus ...

Страница 51: ...3 15 Configuration Set Password Press Enter to activate the password setting when you key in the desired Number or Character Press ESC for no change to the password ...

Страница 52: ...is can produce unpredictable results if it occurs during Host and Array activity All activity to the controller should be stopped before saving configuration changes WARNING STOP STOP Select the Save Restart function and press Enter to save and activate your selections Warning All data will be lost if you change the RAID level ...

Страница 53: ...vanced Information This chapter describes more information about your Disk Array The following items are describes in detail Memory Expansion RAID Controller Updating Firmware Capacity Expansion On Line Expand 4 1 ...

Страница 54: ...sion socket is provided for installing memory module These expansion memory module can be purchased from your dealer Memory Type 60NS STD 144pin DIMMs SDRAM Memory Size Supports 144pin DIMMs of 64MB or 128MB Do not use DIMM modules which have an extra logic chip that has been used to convert the memory module from asymmetric to symmetric 4 2 Advanced Information ...

Страница 55: ...Installing Memory Modules 1 Unscrew Remove cover 4 3 Advanced Information Unscrews Figure Remove Cover ...

Страница 56: ...entation b Press the memory module firmly into socket from a 45 degree angle make sure that all the contacts are aligned with the socket c Push the memory module forward to a horizontal position 4 4 Advanced Information Figure Controller Front Panel Ultra 160 Host Channel ...

Страница 57: ...t PCI BUS i960 Local BUS PCI Bridge Main memory i960RN RISC Micro processor Flash EPROM Disk Array Controller Block Diagram Advanced Information 4 5 Dual Channel IDE Controller Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 Disk 6 Dual Channel IDE Controller Dual Channel IDE Controller ...

Страница 58: ...100 Terminal Please configure the VT100 terminal setting to the values shown below VT100 terminal or compatible set up Connection Serial Port COM1 or COM2 Protocol RS232 Asynchronous Cabling Null Modem cable Baud Rate 115 200 Data Bits 8 Stop Bit 1 Parity None ...

Страница 59: ...Advanced Information 4 7 Example Setup VT100 Terminal in Windows 95 Step 1 Setup VT100 Terminal R ...

Страница 60: ...Advanced Information 4 8 Step 2 ...

Страница 61: ...Advanced Information 4 9 Step 3 Enter a name for your Terminal ...

Страница 62: ...Advanced Information 4 10 Step 4 Select a connecting port in your Terminal ...

Страница 63: ...Advanced Information 4 11 Step 5 Port parameter settings ...

Страница 64: ...Advanced Information 4 12 Step 6 ...

Страница 65: ... mode After you have finished the VT100 Terminal setup you may restart your Disk Array and press Ctrl D keys in your Terminal to link the Disk Array and Terminal together Press Ctrl D to display the disk array Monitor Utility screen on your VT100 Terminal ...

Страница 66: ...rmware 1 Move the cursor to Update ROM and press Enter Warning Unpredictable results will occur if firmware update is attempted during Host computer and Disk Array activity All activity to the controller should be stopped before updating firmware ...

Страница 67: ...4 15 Advanced Information 2 Press Y to download the new firmware and press Y again to confirm the Update ...

Страница 68: ...4 16 Advanced Information 3 Select transfer Send Text File and press Enter ...

Страница 69: ...4 17 Advanced Information 4 Locate the new Firmware file on your PC ...

Страница 70: ...4 18 Advanced Information 5 Press Go to confirm to download the new firmware ...

Страница 71: ...4 19 Advanced Information 6 Type Go to reconfirm and the firmware will begin to be reprogrammed 7 After verifying please restart the Disk Array to activate the new firmware ...

Страница 72: ...ID group and properly setup procedures 1 Add new HDD into the RAID system 2 Configuration through the RS 232 Terminal mode move the cursor to On Line Expand and Enable and press Enter to confirm it If you have not add any new HDD into the RAID group the Enable item will not show up 4 20 Capacity Expansion ...

Страница 73: ...Advanced Information 3 Select the Save Restart function and press Enter to save and activate your selection 4 21 ...

Страница 74: ...ll the Hot Swap parts without interrupting the data access while the disk array is on The Hot Swap parts include Hard Disk Drives Redundant Power Supply Units Cooling Fans Follow the steps below and refer to the diagrams to remove and install the Hot Swap parts 5 1 ...

Страница 75: ...Hot Swap 5 2 Removing Installing Hard Disk drives a Unlock the HDD tray When a HDD error occurs the HDD LED indicator lights up RED Figure Swap HDD Unlock ...

Страница 76: ...5 3 Hot Swap b Gently pull out the HDD tray Figure Swap HDD Pull out ...

Страница 77: ...Hot Swap 5 4 c Unscrew and unplug the cables Figure Swap HDD Unplug cables Unscrew Unplug Cables ...

Страница 78: ...intelligent Auto Rebuild function will not be started For best performance we recommend you swap with an identical Hard Disk Drive e Gently Slide in the HDD tray and lock up to start the Auto Rebuild When you have installed the replacement disk drive screw in all the screws and plug in the cables you may now gently slide in the HDD tray into the chassis and lock up it Data Auto Rebuild will be sta...

Страница 79: ... fail the LED indicator will go off and the redundant power supply buzzer alarm will sound When you need to replace the redundant power supply unit refer to the redundant power supply status LED indicator on the front panel to find the failed power supply unit and follow these steps to swap it a Unscrew the faulty unit For Safety reasons you should switch off the faulty unit s power switch 5 6 Swi...

Страница 80: ...b Replace with a new power supply unit 5 7 Hot Swap Figure Swap P S unit swap with a new unit I 0 ...

Страница 81: ...witch on the power supply to stop the buzzer alarm and link the two power supply units together The new power supply unit will link with the other unit immediately and will start working after you press the power supply reset switch and the buzzer warning noise will stop Reset from the rear panel 5 8 Hot Swap Reset Here I 0 ...

Страница 82: ... the Fan door and open the door Be careful the high speed rotating fans may harm you Don t touch the rotating Fans If necessary Unplug the Fan power connector first Figure Swap cooling Fan Unscrew the Fan Door Caution 5 9 Hot Swap Unscrew I 0 ...

Страница 83: ...ooling fan s air flow must point to the fan door please refer to the label on the cooling fan Plug in the fan connector close the fan door and screw it in Caution The cooling fan will rotate immediately when you plug in the fan power connector 5 10 Hot Swap Figure Swap Cooling Fan swap with a new Fan ...

Страница 84: ...on Parity Read Cache Read Ahead Write Cache Write Back Firmware Flash EEPROM 256K x 8 SCSI I O Processor LSI SYM53C1010 Serial Port 1x RS232 Asynchronous Port Baud Rate 115 200 Bits Per Second Data Bits 8 Stop Bit 1 Parity None RAID Levels 0 1 0 1 3 or 5 Data Transfer Rate Up to 160MB s Synchronous SCSI ID Assignment 0 14 0 Tagged command queuing Up to 255 simultaneous data requests Technical Spec...

Страница 85: ...nt Data Rebuild Automatic Data Regeneration LCD Display Panel 2 x 16 Characters Cooling Fans 6cm Ball Bearing Fan 4 Fans Power Supply Capacity Dual 250W Independent Power Supplies AC Input Voltage 115 230V 10 60 50 Hz Environmental Relative Humidity 10 to 85 Non condensing Temperature Operating 5 40 Storage 25 60 Safety testing UL CE and FCC Class B Dimensions 483mm W 465mm D 88mm H Weight 12 kgs ...

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