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1.3 RAID Mode Explanation

● Any change of RAID mode will cause data rebuild and data lost.

①

RAID MODE 6

②

RAID MODE 0

③

RAID MODE 3

④

RAID MODE 5

Data

Drive

Parity

Data

Drive

Data and
parity are
equally
distribute
d among
6 drives

The most bottom drive is used for Parity

It allows one drive failure while data is accessing.

The data residing in failed drive can be generated from the

rest of 5 drives

Data and Parity are distributed among 6 HDDs. Since there

is no assigned disk for parity, each drive shares the same

loading in data access.

Data

Drive

All drives are used for data recording

Data is segmented and equally distributed among 6 drives.

All 6 drives will be accessed while data is read or written.

The mode provides the highest performance among all

others.

At the same time, if one drive failed, the whole data will be

lost.

Data and
Parity are
divided by
six
portions

Comparing with RAID- 5 dual parity is applied providing

even higher reliability

Allow up to two drives failure but also scarify capacity of two

drives

CAUTION

Содержание BR256

Страница 1: ...BR256 eSATA USB2 0 model 0 Best and Space Saving Best RAID Portable RAID 6 2 5 HDD 6 Desktop Model BR256 eSATA USB3 0 model User Manual Revision 1 01f...

Страница 2: ...mbols are listed in the following picture The following provide examples of the warning drawings This symbol means that you should pay extra attention This symbol indicates something you absolutely mu...

Страница 3: ...r where it was purchased The information in this manual is subject to change without prior notice It is prohibited to reproduce any part of this manual in any form or by any means without prior writte...

Страница 4: ...close the lever HDD Installation Install and Remove HDD Module Before you start any operation please make sure HDDs are installed properly into the BR256 enclosure An alarming beep sound will be turne...

Страница 5: ...n inserting or removing power cable There is a risk of electrocution Don t pull on the cable itself There is a chance of fire Never operate unless the power plug is fully inserted It may short out and...

Страница 6: ...eakdown of the product You cannot change the order of the drives once the RAID mode has been established Please use the six drives in the order that they were installed at time of RAID creation Please...

Страница 7: ...ce in slant or unstable places It may fall and break and may cause injury Never use with more than the rated voltage There is a risk of electrocution Don t use the cable in anything but the approved p...

Страница 8: ...e the HDD module unlock There is risk that HDD module falls out of the enclosure Never place the unit in any bags or containers containing liquids There is a risk of fire inside the unite or electrocu...

Страница 9: ...BR256 eSATA USB3 0 model User Manual 8...

Страница 10: ...5 2 Parameter Confirmation 40 Quick Overview of From Panel Button Operation 43 2 6 Web based Monitor and Setup via Ethernet 44 2 6 1 Web Connection 44 2 6 2 Main Menu 45 2 6 3 Monitor Mode 46 2 6 4 Ma...

Страница 11: ...ost Delay CH Display 84 4 9 4 LCD Display for Patrol Mode Options 85 4 9 5 LCD Display for Ethernet Setup 86 4 10 LCD Display for Controller Error 86 4 11 Retry Error Detection Drive SENSE DATA Displa...

Страница 12: ...ts sec Theoretical value USB3 0 5Gbits sec Theoretical value USB2 0 480Mbits sec Theoretical value Pure hardware based RAID 6 3 5 parity generator and high speed DMA 32 Bit RISC Processor 200MHz 400MI...

Страница 13: ...eadahead setup Write Retry mode setup Buffer segment size setup Beginning time setup of Retry Sequential list setup Sequential read ahead setup Cache management configuration Detection time of low spe...

Страница 14: ...rity are distributed among 6 HDDs Since there is no assigned disk for parity each drive shares the same loading in data access Data Drive All drives are used for data recording Data is segmented and e...

Страница 15: ...four drives cannot be used There is no parity so the data cannot be recovered if any of drive fault Data Drive Three drive mirroring mode Similar to RAID MODE1 Data is written to all of three drives...

Страница 16: ...e all included when the package is opened If you found missing items please contact your reseller And please keep the original packing carton and materials BR256 Accessories BR256 AC power cable 1 eSA...

Страница 17: ...BR256 eSATA USB3 0 model User Manual 16 1 5 Name and Function of each part Front side Rear Side...

Страница 18: ...the status of module LCD Display of BR256 status or parameter POWER LED Blue when system is turned on ACCESS LED Green flash when accessing the controller FAIL LED Orange ON when a pre defined error...

Страница 19: ...cause abnormal operation Do not use the unit over or under power input range Unstable power input might cause the system unusable or malfunction Never insert or remove the cable with wet hands You ma...

Страница 20: ...he host selection the shape of connector might be different 2 It is used for web based monitor and configuration Please do not connect eSATA and USB2 0 or USB3 0 at the same time LAN Cable 2 Optional...

Страница 21: ...se web based monitor connect Ethernet cable between LAN connector and host Connect AC power cable and turn on power switch at rear panel of BR256 Turn on the host computer power and start the operatio...

Страница 22: ...ion Service Pack Part Number Description BR256 SEDBK 1Y Extra one year sendback service Total 2 years BR256 SEDBK 2Y Extra two year sendback service Total 3 years BR256 SEDBK 3Y Extra three year sendb...

Страница 23: ...BR256 eSATA USB3 0 model User Manual 22...

Страница 24: ...up CACHE SIZE SETUP Cache Size Setup WRITE MODE SETUP Write Cache Mode Setup VERIFY WAIT SETUP Verify Mode Setup LUN SIZE SETUP Logical Unit Size Setup LUN MODE SETUP Logical Unit Mode Setup DRIVE MOD...

Страница 25: ...x ONE DRIVE DOWN SYSTEM DOWN indicating the status of last time A normal display with drives properly populated will look like RAID 6 NORMAL To change Parameters BR256 needs to be powered on for Para...

Страница 26: ...of BR256 PS Please take a memo if you changed parameters different from its default value RAID Mode Setup RAID MODE RAID 6 Select RAID Mode Parameter Function Memo RAID MODE RAID 6 Setup RAID 6 Please...

Страница 27: ...n will be taken care when the interval between host commands longer than 0 1 sec The following host command has to wait till one recovery task completed except READ WRITE or READ Cache command which w...

Страница 28: ...this setting the Write operation will not be acknowledged as Completed till data is written into disks This means no caching is used during data write The performance is slower compared to WRITE MODE...

Страница 29: ...ait till Write and Verification command completed Default NO VERIFY There is no verification operation when doing Write Verify under such mode A simple write will be executed Verify command is not aff...

Страница 30: ...titioned from LBA 0 of each disk member LUN SIZE MAX 2TB MAX 2TB 2 MAX 2TB 3 MAX 2TB 4 LUN size is assigned to 2TB 2TB 2 2TB 3 and 2TB 4 partitioned from LBA 0 of the disk member Default MAX 2TB LUN S...

Страница 31: ...refer to below explanation LUN SWAPPED function is reserved for future dual host usage not applicable to BR256 Sector management of RAID are different between NO BIAS and for MBR 1 or 1 or 2 Depend o...

Страница 32: ...channel When the host issues a command and the parity is to be written the command is divided up into two or more operations A relatively big stripe width is setup to reduce the overhead of continuou...

Страница 33: ...might be effective for general random operation READ AHEAD 64 KB This will read ahead multiple pages following the current one page This is effective for general sequential read Default READ AHEAD 256...

Страница 34: ...to use different disks than the ones provided there is no need to change this setting The factory default is for 1GB With HDD installed and power on first time please change the disk type at Setup Mo...

Страница 35: ...ase make sure you understand exactly the purpose that you are changing from the default parameters 1 Holding both the Mode and Select button power up ARRAY PARAMETERS SETTING 2 Press the SELECT button...

Страница 36: ...ncreased The longer you hold the SELECT button the faster the number is increased Push the MODE button to move to next field Address Mask Setup Address Mask 255 255 255 0 This is to setup IP address m...

Страница 37: ...ance and is recommended Usually RAID cache size is bigger than hard disk cache so writing data from RAID cache to disk will spend longer time Enable When File Close is executed the Flush Cache command...

Страница 38: ...or 3 times of the setting OS might need to setup a longer time out interval because of the longer retry processing on storage system Sequential List Size Setup SEQUENTIAL LIST SIZE 8 8 16 32 64 This...

Страница 39: ...rocess and it causes data retries within a certain disk or media or the time needed to write to another drive taking long then entire performance is slow down Transfer speed will suffer In this sense...

Страница 40: ...in background not applicable for RAID 0 NO No Auto Patrol AUTO Auto Patrol On The surface scan will start from LBA 0 of the disk between host commands If there is any failure on read sector the recove...

Страница 41: ...n Sometimes you will need to read and confirm the setup of current parameters then you can press both MODE and SELECT button on the front at the same time for this Firmware version will be shown at th...

Страница 42: ...che Size CACHE SIZE 128 MB 64 MB 128MB LUN Size LUN SIZE Max 2TB FULL 16GB 32GB 64GB 128GB 256GB 1 2 1 3 1 4 1 5 1 6 1 7 1 8 64GB ALL 64GB MAX2TB Max 2TB Max 2TB 2 Max 2TB 3 Max 2TB 4 Parity Stripe PA...

Страница 43: ...BR256 eSATA USB3 0 model User Manual 42 Verify Wait VERIFY WAIT READ aft WRITE VERIFY WAIT READ aft WRITE VERIFY WAIT NO READ aft WRT NO VERIFY READ aft WRITE NO VERIFY NO READ aft WRITE...

Страница 44: ...us During operation escape Cancel RETRY display During operation press twice Performance information Under Browsing Parameters press Use to check each drive Cache Memory Confirmation Press after Perfo...

Страница 45: ...button at power on BR256 The system will enter Parameter Setup mode as shown on LCD display IP Address Setup Press SELECT then MODE it will enter IP address setup parameter Use SELECT button to chang...

Страница 46: ...IOS CORPORATION 45 2 6 2 Main Menu With power on and Ethernet connected launch the Internet browser with preset IP address http IP Address The Web main menu will be displayed as below for Monitor Mode...

Страница 47: ...he status monitor page The refreshing interval can be changed by specifying the requested time and apply Change Refresh Interval Drive status can be differentiated by color Green Red Yellow White Norm...

Страница 48: ...Basic Parameters Click on menu Basic Parameters to show basic RAID parameters Basic parameter screen Additional Parameters Click on menu Additional Parameters to show additional RAID parameters Additi...

Страница 49: ...oric events after power on First item on top of the log table shows either the lapsed time of last log or the lapsed time after power on Time is shown in Second by hexadecimal The checksum value on it...

Страница 50: ...Click Login for Management Mode from main menu Pop window for User Name Password to enter Management mode Default password is passwd and leave user name as empty To change password refer to 2 7 Setup...

Страница 51: ...BR256 eSATA USB3 0 model User Manual 50 up Page indicates Management mode You can then modify additional RAID parameters email and SMTP setting...

Страница 52: ...ed to setup alias on assigned email server Allowable characters are same as Sender address SMTP Server Address255 255 255 255 Setup IP Address of SMTP server IP of 255 255 255 255 will prohibit emails...

Страница 53: ...There will be Sending Test Mail shown on the screen indicating the email in transmission And the log will record a message if the test mail was sent out Possible error code if the Send Test Main faile...

Страница 54: ...device name and version Serial Number the serial number of this device Alert Reason Cause of this email sent 2 6 7 Conditions of Mail Notification Under below conditions the mail will be sent Drive fa...

Страница 55: ...onal Parameters under main menu to enter Additional Parameters Page Additional Parameters Page Parameter settings under additional parameters can be changed without effecting data on the RAID system S...

Страница 56: ...92 168 50 210 Critical Parameters Click on Critical Parameters under main menu to enter Critical Parameters page Critical Parameters Page Parameter Example LUN Size Scroll to the parameter that is nee...

Страница 57: ...at is needed to changed and click Change Parameters button to save it Then re boot the RAID system so changes to reflected Network Parameters Click on Network Parameters under left panel to enter Netw...

Страница 58: ...ough file system to locate firmware file and click update firmware button to start update process Once update process has started front LCD display will change to following message BR256 LCD Display P...

Страница 59: ...he process Warning Do not turn off RAID system at this point Instead retry without rebooting the system If the process still failed please contact support people Change Password In Setup Mode click Ch...

Страница 60: ...unctions for each Mode with WEB GUI Menu Monitor Mode Management Mode Setup Mode Read Modify Read Modify Read Modify RAID Monitor O X O X X X Basic Parameters O X O X O O Additional Parameters O X O O...

Страница 61: ...BR256 eSATA USB3 0 model User Manual 60 2 8 Host LAN Configuration 2 8 1 IP Setup for Windows Go to Start Control Panel Navigate to Network and Internet Network and Sharing Center...

Страница 62: ...Properties First check use the following IO address Considering RAID IP ADDRESS is 192 168 50 210 set as follows IP address 192 168 50 XXX put unused address in place of XXX Subnet mask 255 255 255 0...

Страница 63: ...dow Enter ipconfig renew Enter ipconfig all Check if the IP Address has changed correctly 2 8 2 IP Setup for Linux Open a Terminal Window Enter ifconfig eth0 192 168 50 X Put IP that is not used in th...

Страница 64: ...BIOS CORPORATION 63 2 8 3 IP Setup for MAC OS X Click System Preferences Click Network Icon...

Страница 65: ...BR256 eSATA USB3 0 model User Manual 64 Choose Configure option to Manually Enter IP address and click Apply button to save it Make sure the address used here is not used by another device...

Страница 66: ...BIOS CORPORATION 65...

Страница 67: ...Last login XXX XXX XX XX XX XX root Host name root 2 Partition Creation and formatting fdisk command start fdisk Example below is when BR256 is recognized as dev sdb root sheep root fdisk dev sdb Crea...

Страница 68: ...p 2002 for EXT2 FS 0 5b 95 08 09 Filesystem label OS type Linux Block size 4096 log 2 Fragment size 4096 log 2 183140352 inodes 366279984 blocks 18313999 blocks 5 00 reserved for the super user First...

Страница 69: ...Connect and power on BR256 then starts with host computer Press the Start Button and right click on Computer Click on Manage Go to Device Manager Click on Disk Drives and confirm that the BR256 has b...

Страница 70: ...Creation and Formatting Log into Windows 7 and click the Start then right click on Computer and click on Manage Click on Computer Management Storage Disk Management Right click Not initialize disk DI...

Страница 71: ...70 Check the disk to be initialized and move on to the formatting If BR256 has capacity over 2TB in Volume then choose GPT Disk label here to able to use disk over 2TB Right click on the disk you wish...

Страница 72: ...BIOS CORPORATION 71 The New Volume Wizard will load up so click Next Choose the volume you want then click Next...

Страница 73: ...BR256 eSATA USB3 0 model User Manual 72 8 Choose the driver letter you wish click Next 9 Choose the proper formatting settings and click Next again...

Страница 74: ...u ve verified that the settings are correct and there are no errors click Finish 11 The format will begin Close the Computer Management after the format has completed You can use the disk now please r...

Страница 75: ...BR256 eSATA USB3 0 model User Manual 74 3 3 Other OSs Please refer to the user manual of associated vendors...

Страница 76: ...und and the Fault LED will light up At this point pressing the Mode button will stop the buzzer RAID 0 State Transition RAID 6 State Transition RAID 3 5State Transition OK END RAID 6 NORMAL ONE DOWN D...

Страница 77: ...tact our technical support staff for further assistance Below is an example of typical operation After removing the damaged drive hold the Mode switch at powering on and force reset the machine It wil...

Страница 78: ...ng Remove failed drive and replace with new drive module RAID x RECOVERING 0 will be shown meaning Recover is started When recovery is succeeded LCD will display RAID x NORMAL If it did not return to...

Страница 79: ...e one failed drive and replace with new drive module Within 3 minutes RAID x RECOVERING 0 will be shown meaning Recovery process stared When RAID x ONE DRIVE DOWN is shown you can start with recovery...

Страница 80: ...ystem power on and contact your support window There might be possibility that data will be corrupted Shutdown both computer and BR256 Press and hold the MODE button then turn on BR256 power If LCD sh...

Страница 81: ...be character R X Y or blank character shown following the on LCD it might mean the drive connection is problematic In such case turn off the power and do not insert two failed drives Start with step...

Страница 82: ...ing the recovery there should be character R X Y or blank character shown following the on LCD it might mean the drive connection is problematic In such case turn off the power and remove the failed d...

Страница 83: ...ode Please check disk FAIL LED to identify the failed drive Press MODE button to stop buzzer alarm RAID x TWO DRIVE DOWN This means host access is still working under 2 failed drives status This will...

Страница 84: ...covery process has been started FAIL LED of associated drive will keep light on till the completion of recovery operation 4 8 LCD Display for FAN Failure FAN STOP NORMAL When FAN is failed system FAIL...

Страница 85: ...d normally or if HDD hang up is suspected RATE display will be exited if SCSI reset command was received Or you can press MODE and SELECT button at the same time to return to earlier state 4 9 2 Cache...

Страница 86: ...no access from the host continuous READ operation will be applied to all drives and if any error sector was found they will be automatically recovered Even when the host access is continuous a read wi...

Страница 87: ...Address Mask 255 255 255 0 Changeable Gate Way Address 255 255 255 255 Changeable Push MODE button again to return to Transfer RATE display 4 10 LCD Display for Controller Error Here explains error s...

Страница 88: ...Divide or FPP or Invalid Code Err For certain calculation divide by zero error Undefined Interrupt Error SYSTEM INTERRUPT Error Undefined interrupt error SYSTEM SBI INT Occur System break error SYSTEM...

Страница 89: ...N drive error Hardware Error Software Error r IDE register read write U undefined command error A disk dma time out no pend in exe auto E chip busy soft error B bad block detected C uncorrectable erro...

Страница 90: ...witches simultaneously while the BR256 is in normal operation to enter Parameter display mode and then pushing them both once again RAID 6 NORMAL P A parity error occurred in the host Bus during the c...

Страница 91: ...ll be displayed so please hit the SELECT button Sub message Channel Occur error x is the number of the drive where the retry occurred x indicates the root cause 4 10 Array Controller Error Messages ON...

Страница 92: ...ror occurred Record the display content and BR256 status then contact your support window Most of time the system could be recovered after host reset Y N Y N N Y One Down State OK OK Write and Verify...

Страница 93: ...BR256 eSATA USB3 0 model User Manual 92...

Страница 94: ...B Logical Unit LUN max 8 Support 1 LU more than 2TB Power Input AC100 240V 10 47 63Hz Full range Power Consumption Maximum startup 43W Idle 25W Operation 32W Vary from hard disk Dimension 126 mm W 162...

Страница 95: ...INE SYSTEM CurrentControlSet Services Disk In general 60 second hex 3c is the most popular setting If there is no TimeOutValue registry at the above location then create new one as DWORD then put name...

Страница 96: ...size Allocation Unit Size during Format under Windows OS Right click on My Computer and select Manage Select Disk Management from Storage sub menu Find the target DISK and right click to choose New P...

Страница 97: ...BR256 eSATA USB3 0 model User Manual 96 Input size of the partition and click on Next Choose Drive Letter and click on Next...

Страница 98: ...BIOS CORPORATION 97 Select to Partition with below setting and choose to change allocation size from the pull down manual Here 2048 for example...

Страница 99: ...BR256 eSATA USB3 0 model User Manual 98 Optionally choose Quick Format and compression Click on Finish to confirm the completion...

Страница 100: ...IB for Status Monitor Overview This section will only explain SNMP usage for disk array device Setup Parameter SNMP Based on pre defined status criteria the disk array device can be monitored via netw...

Страница 101: ...eSATA USB2 0 model User Manual 100 It is necessary to log into Management Mode to change SNMP parameters Input user name and password to enter Management Mode Default Password passwd Operation Mode Ch...

Страница 102: ...BIOS CORPORATION 101 Click To Management Menu when Operation Mode Changed page is shown Management Mode page You can start setting SNMP parameter Click on SNMP Setup...

Страница 103: ...hange Setup the level of status monitor Total there are three categories explained as below Level Importance Example Notification Low High Importance Power On Warning Medium High Importance End of Rec...

Страница 104: ...up Once returning to parameter setup screen click after configuration of server address and monitor level Pink texts shown are the result of the test Actual result was shown in one screen instead of...

Страница 105: ...BR256 eSATA USB2 0 model User Manual 104 4 Log Details when it was changed to patrol mode Recovery was completed Test completion of SNMP trap Power down Fan Failed Drive...

Страница 106: ...BIOS CORPORATION 105 Drive System Down...

Страница 107: ...BR256 eSATA USB2 0 model User Manual 106...

Страница 108: ...Printing NO 1 Portable RAID 6 2 5 HDD 6 Desktop Model Producer Shigeru Yonezawa Editor Dennis Lin BR256 eSATA USB3 0 model User Manual Revision 1 01f Publisher BIOS Corporation Ogawa building 2 41 12...

Страница 109: ......

Страница 110: ...BR256 eSATA USB2 0 model 1 http www bios co jp...

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