easyRAID X6P U3R2 User Manual Download

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Ultra 160 SCSI to IDE

Disk Array system

User’s Guide

Version 1.0

Feb. 2003

easyRAID X6P U3R2

Summary of Contents for X6P U3R2

Page 1: ...Ultra 160 SCSI to IDE Disk Array system User s Guide Version 1 0 Feb 2003 easyRAID X6P U3R2 ...

Page 2: ...ear 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 near or over a radiator or heat register 9 Refer...

Page 3: ...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...

Page 4: ...t or cold 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 possibility of data errors caused by electromagnetic interference locate your Disk Array at least five feet away from electrical appliances and equipment that genera...

Page 5: ...o 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 About This Manual ...

Page 6: ...ed 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 How To Setup Active Terminator 2 10 Host Linkage 2 11 Power On Self Test 2 12 LED Display Function Keys LED Display 2 13 Function Keys 2 14 LCD Status Panel 2 15 Clear Beeper 2 16 Chapter 3 Configuration...

Page 7: ...apter 4 Advanced Information Memory Expansion 4 2 Disk Array Controller Block Diagram 4 5 Updating Firmware 4 6 Setting Up VT100 Terminal Emulation in Windows 95 4 7 Start to Update Firmware 4 14 Multiple RAID Configuration 4 20 Slice and Lun Mapping 4 30 On Line Expand for Multiple RAID Groups 4 34 Chapter 5 Hot Swap Removing Installing Hard Disk Drive 5 2 Removing Installing Redundant Power Supp...

Page 8: ...1 1 Introduction This chapter will introduce you to your new Disk Array s features and provide information on general RAID concept Chapter 1 Introduction ...

Page 9: ...nes an extremely high speed microprocessor with the latest chip set IDE 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 Host computer u...

Page 10: ...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 ...

Page 11: ...o 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 Increases system perfo...

Page 12: ... 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 Like program images the data should be backed up on highly reliable media from which it can be recreated in the event of a failure Collecting data from external sources at very high data transfer rates RAID level 0 ar...

Page 13: ...ent of a failure of an array member When a RAID level 1 member disk fails array management software simply directs all application requests to the surviving 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 ...

Page 14: ... block of sequential data must be transferred quickly these applications are usually 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 The distinctive performance characterist...

Page 15: ...nce should approximate that of a RAID Level 0 array In fact for a given user capacity RAID Level 5 read performance should normally be slightly better because requests are spread across one more members than they 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 who...

Page 16: ...ontained 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 los...

Page 17: ...ry High 1 Mirroring All data Dulicated 1 disk Very High High 3 Parallel Transfer Disks with Parity Data sector is subdivided and distributed across all data disk Redundant information stored on a dicated partiy disk N 1 disks Very High Highest of all listed alternatives 5 Independent Access Array with Rotating Paridy Data sectors are distributed as with disk striping redundant information is inter...

Page 18: ...ce than with the individual disk drives There is no redundant function 2 6 1 DIsk Mirroring Disk drives are mirrored all data is 100 duplicated on each equivalent disk drives High Data Reliability 2 6 3 Parallel Transfer Disks with parity Data is striped across physical drives parity protection is used for data redundancy 3 6 5 Independent Access Array with Parity Data is striped across physical d...

Page 19: ...able length limitations as below Cable length External Host cables length Internal Host cable length Standard Disk Array External cable length 90cm 3 ft Standard Disk Array Internal cable length 20cm SCSI Type Clock Rate Data Rate Maximu Cable Length Cable Required Remark Ultra 160 16 bit 40 MHZ 160 MB sec 12m HPD 68 HPD 68 pin LVD Ultra 2 16 bit 40 MHZ 80 MB sec 12m HPD 68 HPD 68 pin Ultra wide 1...

Page 20: ...of Disk Array Power Source Installing the Hard Disk Drives Setup active terminator Host Linkage Power On and Self test LED Display and Function Keys LCD Status Display Clear beeper The following illustrations will help you read the further sections Special Note RAID should never be considered a replacement for doing regular backup It s highly recommended to conduct a backup strategy for critical d...

Page 21: ...llowing items in the package The Disk Array One AC power cord One External SCSI cable Keys For HDD Trays User s Guide RS 232 Cable Active Terminator Global Eyes CD 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 A...

Page 22: ... close enough to the computer for the Disk Array s External 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 te...

Page 23: ...ront View 1 LCD Status Display Panel 2 HDD Trays 1 3 From Up to Dawn 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 ...

Page 24: ...l Port 2 Reserved 3 Power Supply Unit Switch 0 I 4 Power Supply Unit 1 5 Power Supply Unit 2 6 AC Power Input Socket 7 SCSI channel Port 8 Cooling Fans 9 Power Supply Alarm Reset Buttom 10 AC Voltage Select Switch 115V 230V 11 Power Supply Unit Switch 0 I 12 Cooling Fan Screws ...

Page 25: ... which corresponds with the wall outlet supply voltage 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 Warning ...

Page 26: ...2 7 Getting Started 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 Figure Installing HDD step 1 2 ...

Page 27: ...2 8 Getting Started 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 ...

Page 28: ...2 9 Getting Started Step 6 Gently slide in the HDD tray Step 7 Lock the HDD tray When powered on the Green LED will light up Figure Installing HDD step 6 7 ...

Page 29: ...add an active terminator on the Disk Array when it is at the end of the SCSI bus Plug in the Terminator before Power On You can find two ports for the host channel adapter on the back of Disk Array You can connect the top one with your Host Computer and plug in the active terminator on the second one ...

Page 30: ...ray to your Host computer Use a External SCSI cable to connect your Host computer to the Disk Array s built in SCSI adapter port Connect the Host computer as shown below Figure Host linkage For safety reasons make sure the Disk Array and Host Computer are turned off when you plug in the SCSI cable Caution ...

Page 31: ...t the Disk Array to the Host computer 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 system on and the Self Test will be started automatically Figure Power On Self Test ...

Page 32: ...cription 1 Power On Indicator light up Green it lights when the power sourse is plugged and system is on 2 P S Fail Indicator Power Supply Fail light up Red it lights when any one of the power Unit failed 3 Host Computer Access Indicator light up Yellow indicates Host computer is curretnly accessing the Disk Array 4 HDD Power On Indicator HDD Error Indicator light up Green it lights when the HDD f...

Page 33: ...ys 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 ...

Page 34: ... been used and their representation A description of each of the symbols in LCD display window Example of the LCD status display window This informs you a HDD 1 HDD 3 On line RAID Group1 b HDD 4 It is a Spare disk drive c HDD 5 HDD6 Not installed d SCSI ID In ID 0 1 1 1 1 1 1 S S X X X X I ID D 0 0 R Error occur Fault I Identifying Disk Drive S Spare Disk Drive X Disk Drive not installed W Warning...

Page 35: ...d Clear Beeper The disk drive initialization and fail beeping can be stopped by pushing the simultaneously twice But you should emember to replace the drive Next time when error happen the beeping will still be available ...

Page 36: ...ch enables you to make changes to 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 y...

Page 37: ...e update all configuration 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 ...

Page 38: ...ration 3 3 Configuration procedures via Front Panel Main screen RAID Level 0 1 3 5 0 1 None Re Config RAID Hot Spare Disk Yes No Set Password 4 Digital Save Configuration Restart Yes No Yes No Set SCSI ID 0 14 ...

Page 39: ...Bunch of Disks 2 Press the front panel Enter key to access the built in configuration program 3 When the screen displays the password prompt and asks you to Enter Password press Enter 4 times to input the default password default password is 0000 4 Re Configuration RAID Select No to set up SCSI ID and Password Select Yes to set up RAID Level Hot spare disk SCSI ID and Password Enter Password 0 ...

Page 40: ...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 the Disk Array is ID 0 If you needed to assign a different ID for your Disk Array The available SCSI ID for this Disk Array are ID 0 14 You must assign a different SCSI ID to each SCSI device on the SCSI Bus The...

Page 41: ...er the system restart it will appear in the Host machine with 2 LUNs default LUN 0 2TB rest capacity assign to LUN1 STOP WARNING Press ESC function key for password No Change Notice Warning All data will be lost if you changed RAID Levels If you already have a RAID level setting and wish to change to different RAID level you must setup RAID level to None first then run the setup procedure again to...

Page 42: ...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...

Page 43: ...edures VT100 Terminal Main screen RAID Level 0 1 3 5 0 1 None Re Config RAID Hot Spare Disk Yes No Set Password 4 Digital Save Configuration Restart Yes No Yes No Update Firmware Update No Yes Set SCSI ID 0 14 On Line Expand Enable Yes No ...

Page 44: ...Configuration 3 9 Main Screen Please refer to Chapter4 Advanced Information for setting VT100 Terminal in Windows ...

Page 45: ...Configuration 3 10 Re Config RAID Select No for setting SCSI ID Password Select Yes for setting all the configurations ...

Page 46: ...Configuration 3 11 Set RAID Level Move the cursor to the desired RAID Level 0 1 3 5 0 1 None and Press Enter to confirm it Warning All Data will be lost by changing the RAID level ...

Page 47: ... 3 12 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 ...

Page 48: ...h is different from any other device on the SCSI Bus The default ID for this Disk Array is ID 0 If you needed to assign a different ID for your Disk Array The available SCSI ID for this Disk Array 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 ...

Page 49: ...Configuration 3 14 Set Password Press Enter to activate the password setting then to key in the desired Number or Character Press ESC to skip the charge of the password ...

Page 50: ... level setting and wish to change to different RAID level you must setup RAID level to None first then run the setup procedure again to setup expected RAID level Saving configuration changes causes the disk array controller s working parameters to change This can produce unpredictable results if it occurs during Host and Array activity All activity to the controller should be stopped before saving...

Page 51: ...isk Drive into the existing RAID 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 ...

Page 52: ...his chapter describes more advanced information about your Disk Array The following items are describes in detail Memory Expansion RAID Controller Updating Firmware Multiple RAID configuration Slice Partition and LUN Mapping Capacity Expansion on line expand ...

Page 53: ...mes with 64MB of memory that is expandable to a maximum of 512MB These expansion memory module can be purchased from your dealer Memory Type 3 3V PC100 133 SDRAM 144pin DIMM Memory Size Supports 144pin DIMMs of 64MB 128MB 256MB or 512MB Height 1 15 Inches 29 2mm ...

Page 54: ...4 3 Advanced Information Installing Memory Modules 1 Unscrew Remove cover Figure Remove Cover ...

Page 55: ...mory modules will only fit in one orientation 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 RAM Solcket Controller Board ...

Page 56: ...4 5 Advanced Information Disk Array Controller Block Diagram ...

Page 57: ...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 ...

Page 58: ...4 7 Advanced Information Setup VT100 Terminal Example Setup VT100 Terminal in Windows Step 1 ...

Page 59: ...4 8 Advanced Information Step 2 ...

Page 60: ...4 9 Advanced Information Step 3 Enter a name for your Terminal ...

Page 61: ...4 10 Advanced Information Step 4 Select a connecting port in your Terminal ...

Page 62: ...4 11 Advanced Information Step 5 Port parameter setting ...

Page 63: ...4 12 Advanced Information Step 6 ...

Page 64: ...00 Mode After you finishing 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 ...

Page 65: ...rmware 1 Move the cursor to Update ROM and press Enter 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 Warning ...

Page 66: ...4 15 Advanced Information 2 Press Y to download the new firmware and press Y again to confirm the Update ...

Page 67: ...4 16 Advanced Information 3 Select transfer Send Text File and press Enter ...

Page 68: ...4 17 Advanced Information 4 Locate the new Firmware file on your PC ...

Page 69: ...4 18 Advanced Information 5 Press Go to confirm to download the new firmware ...

Page 70: ...4 19 Advanced Information 6 Type Go to reconfirm and the firmware will begin to be reprogrammed 7 After verifying the Disk Array will reset automatically to activate the new firmware ...

Page 71: ...creen RAID Group RAID 1 RAID 2 Advance Setep Reconfig RAID Yes No Select Disk Number Hot Spare Disk Yes No No RAID Level 0 1 3 5 0 1 None Save Configuration Restart Yes Multiple RAID Configuration procedures VT100 Terminal Setup RAID2 ...

Page 72: ...The system can Setup as two different RAID Group Step 1 Key in password to enter the main menu Default 0000 RAID Group 1 Setup Warning Be sure to backup your data first before attempting to change RAID setup from single RAID Group to multiple RAID Groups ...

Page 73: ...4 22 Advanced Information How To Setup Multiple RAID Step 2 Select Advance Setep RAID Group 1 Setup ...

Page 74: ...4 23 Advanced Information How To Setup Multiple RAID Step 3 Select RAID 1 in RAID Group Step 4 Choose Reconfig RAID RAID Group 1 Setup ...

Page 75: ...4 24 Advanced Information How To Setup Multiple RAID Step 5 Select Yes for setting all the configurations RAID Group 1 Setup ...

Page 76: ...d Information How To Setup Multiple RAID Step 6 Move the cursor to the expected RAID Level 0 1 3 5 0 1 None and press Enter to confirm it All data will be lost by changing the RAID level RAID Group 1 Setup Warning ...

Page 77: ...p in RAID Group 1 Only the HDD numbers installed in the system will be displayed Step 8 In Hot Spare Disk select Yes to set one Disk Drive as a Hot spare Disk This functions Valid in RAID Level 5 and 3 the total number of Disk Drive installed must be more than 3 Disk Drive RAID Group 1 Setup ...

Page 78: ...4 27 Advanced Information How To Setup Multiple RAID Follow the step for setting RAID Group 1 to setup the 2nd RAID Group RAID Group 2 Setup ...

Page 79: ...ta will be lost if you changed the RAID level RAID Group 2 Setup Stop WARNING Saving configuration changes causes the disk array controller s working parameters to change This can produce unpredictable results if it occurs during Host and Array activity All activity to the controller should be stopped before saving configuration changes ...

Page 80: ... Advanced Information Slice and LUN Mapping Main Screen Advanced Setup Set LUN Mapping LUN 0 LUN 7 RAID 1 RAID 2 Slice Number Disable Save Configuration Restart Slice SCSI Params Primary SCSI RAID 1 RAID 2 ...

Page 81: ...ose Advance Setup Step 2 Select Slice to partition the RAID capacity Step3 Choose RAID1 or RAID2 After completing the RAID Group setup single or multiple you could partition the capacity to Slice and map to different LUN Numbers The following illustration is for Single RAID Group ...

Page 82: ...vanced Information Slice and LUN Mapping Step 4 Select Slice 0 key in the size in MB for Slice 0 Step 5 Select Slice 1 key in the size in MB for Slice 1 the system will display the rest capacity automatically ...

Page 83: ...lice and LUN Mapping Step 6 Select SCSI Params to choose the Primary SCSI Step 7 Choose LUN mapping Map the expected LUN No to expected RAID Group s Slice No Example LUN 0 mapping to RAID 1 Slice 0 LUN 1 mapping to RAID 1 Slice 1 ...

Page 84: ...4 33 Advanced Information Slice and LUN Mapping Step 8 Select Save Restart item and choose Yes to save and activate the settings ...

Page 85: ... Information On Line Expand for Multiple RAID Groups VT100 Terminal On Line Expand Disk Number Enable Disk Number On Line Expand Disk Number Enable Advance Setup RAID GROUP RAID1 RAID2 Main Screen Disk Number Enable ...

Page 86: ...ps The RAID capacity can be expanded by adding one or more Disk Drives into the existing RAID group with properly setup procedures Please add new HDD into the RAID system before you start on line expansion Step 1 Key in password to enter the main menu Default 0000 ...

Page 87: ...4 36 Advanced Information On Line Expand for Multiple RAID Groups Step 2 Select RAID Group Step 3 Choose RAID 1 or RAID 2 to expand the capacity to expected RAID Groups Step 4 Select On Line Expand ...

Page 88: ...and for Multiple RAID Groups Step 5 Select Disk Number then choose how many disks to add to the RAID Group only the number of disks installed will be displayed The rest of disks not adding to the RAID groups will be treated as spare disks ...

Page 89: ...4 38 Advanced Information On Line Expand for Multiple RAID Groups Step 6 Select On Line Expand then Enable to save and activate the settings ...

Page 90: ...and install 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 ...

Page 91: ...5 2 Hot Swap 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 ...

Page 92: ...5 3 Hot Swap b Gently pull out the HDD tray ...

Page 93: ...5 4 Hot Swap c Unscrew and unplug the cables Figure Swap HDD Unplug cables ...

Page 94: ...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 AutoRebuild While 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 started automat...

Page 95: ...n if any one of them 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 ...

Page 96: ...5 7 Hot Swap b Replace with a new power supply unit Figure Swap P S unit Swap with a new unit ...

Page 97: ...er supply reset switch on the power supply frame 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 Power supply ...

Page 98: ...5 9 Hot Swap Removing Installing Cooling Fans Unscrew the Fan module and gently slide out Caution Be careful the high speed rotating fans may harm you Figure Swap cooling Fan Unscrew the Fan Door ...

Page 99: ...onnector Replace with a good one Plug in the fan connector slide in the fan module and screw it in Caution The cooling fan will rotate immediately when you plug in the fan power connector Figure Swap Cooling Fan swap with a new Fan ...

Page 100: ...ad Cache Read Ahead Write Cache Write Back Firmware Flash EEPROM 256K x 8 SCSI I O Processor SYMBIOS 53C1010R Serial Port 1x RS232 Asynchronous Port Baud Rate 115 200 Bits Per Second Data Bits 8 Stop Bit 1 Parity None RAID Levels JBOD 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 ...

Page 101: ...nsparent Data Rebuild Automatic Data Regeneration LCD Display Panel 2 x 16 Characters Cooling Fans 7 5cm x 2 Turbin Fans 8cm x 2 DC Fans Power Supply Capacity Dual 250W Independent Power Supplies AC Input Voltage 115 230V 10 60 50 Hz Environmental Relative Humidity 0 to 85 Non condensing Temperature Operating 5c 40c Storage 25c 60c Safety testing UL CE and FCC Class B Dimensions 483mm H 465mm W 88...

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