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• Auto Declare Hot-Spare ............................................... 100

• Auto Rebuilding ........................................................... 101

• Adjustable Rebuild Priority ............................................. 101

High Reliability ................................................................. 102

• Hard Drive Failure Prediction .......................................... 102

• Auto Reassign Sector .................................................... 102

• Consistency Check ....................................................... 103

Data Protection ................................................................ 103

• Battery Backup ........................................................... 103

• Recovery ROM ............................................................. 104

Appendix F .................................................................. 105

Understanding RAID .......................................................... 105

RAID 0 ............................................................................ 105

RAID 1 ............................................................................ 106

RAID 10(1E) .................................................................... 107

RAID 3 ............................................................................ 107

RAID 5 ............................................................................ 108

RAID 6 ............................................................................ 109

RAID x0 .......................................................................... 109

Single Disk (Pass-Through Disk) ......................................... 110

Summary of RAID Levels ................................................... 111

Содержание ARC-8050

Страница 1: ...ARC 8050 Thunderbolt to 6Gb s SAS RAID Storage User Manual Version 1 1 Issue Date May 2013 Thunderbolt Product...

Страница 2: ...ese limits are designed to provide reasonable protection against in terference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed a...

Страница 3: ...ing the Storage Volume 27 2 5 Summary of the Installation 29 2 6 Hot plug Drive Replacement 31 2 6 1 Recognizing a Drive Failure 31 2 6 2 Replacing a Failed Drive 31 3 ArcHTTP Configuration 32 General...

Страница 4: ...SCSI Lun 51 4 6 2 Create Raid30 50 60 Volume Set 30 50 60 51 4 6 3 Delete Volume Set 52 4 6 4 Modify Volume Set 52 4 6 4 1 Volume Growth 53 4 6 4 2 Volume Set Migration 54 4 6 5 Check Volume Set 54 4...

Страница 5: ...Setting 65 Timeout Setting 66 Number of Retries 66 Buffer Threshold 66 Amount of Read Ahead 66 Number of AV Stream 67 Optimize AV Recording 67 Read Performance Margin 68 Write Performance Margin 68 R...

Страница 6: ...odule ARC 6120BAT021 82 B 1 BBM Connector and Components 82 B 2 Status of BBM 82 B 3 Installation 83 Appendix C 86 SNMP Operation Installation 86 Appendix D 91 Event Notification Configurations 91 A D...

Страница 7: ...ve Failure Prediction 102 Auto Reassign Sector 102 Consistency Check 103 Data Protection 103 Battery Backup 103 Recovery ROM 104 Appendix F 105 Understanding RAID 105 RAID 0 105 RAID 1 106 RAID 10 1E...

Страница 8: ...bi directional performance Unparalleled Performance ARC 8050 is 8 bay 6Gb s SAS Thunderbolt box with RAID control capabilities solution for both PC and Mac Thunderbolt host inter face make ARC 8050 RA...

Страница 9: ...rrays data needs by the Profes sional content creation application for video editing capturing or transferring video managing 3D graphics design producing video presentations and regularly data backup...

Страница 10: ...ine RAID level stripe size migration Online capacity expansion and RAID level migration simultane ously Online volume set growth Instant availability and background initialization Support global and d...

Страница 11: ...ustomer to write monitor utility Out of Band Manager Firmware embedded web browser based McRAID storage man ager SMTP manager SNMP agent and Telnet function via on board LAN port API library for custo...

Страница 12: ...it and inspect it for damage If the ARC 8050 RAID storage appears damaged or if any items of the contents listed below are missing or damaged please contact your dealer or distributor immediately Chec...

Страница 13: ...Thunderbolt Port1 5 Thunderbolt Port2 6 Thunderbolt Port1 Link LED 7 Thunderbolt Port2 Link LED 8 System Fan1 9 LAN Port For McRAID Web Manager 10 Reset Button 11 System Fan2 12 Power Connector 13 Po...

Страница 14: ...ctivity LED is illumi nated there is I O activity on that disk drive When the LED is dark there is no activity on that disk drive N A 2 Fault Link LED Red Green When the fault LED is solid illuminated...

Страница 15: ...RAID Storage The following table provides a summary of the front panel LED Panel LED Normal Status Problem Indication 1 Power LED Green Solid green when power on Unlit when power on 2 Busy LED Amber B...

Страница 16: ...sole McRAID stor age manager to run ArcHttp proxy server is used to launch the web browser McRAID storage manager McRAID storage manager provides all of the creation management and monitor ARC 8050 RA...

Страница 17: ...t thunderbolt htm and unzip the file 2 Run the setup exe file that resides at CD ROM PACKAGES Windows on CD ROM or from the website to launch the installer 3 The screen shows Preparing to Install 4 Fo...

Страница 18: ...Install button A program bar appears that measures the progress of the driver installation When this screen completes you have completed the driver installation 6 Normally ArcHTTP and CLI are installe...

Страница 19: ...Mac driver utility You can use the installer to install Areca Mac driver utility MRAID at once or Custom to install special components To follow the following process to install driver utility on App...

Страница 20: ...ation page click the Install button A program bar appears that measures the progress of the driver installation When this screen completes you have com pleted the driver installation 6 A reboot is req...

Страница 21: ...nnecting RAID Storage to Thunderbolt Ports Thunderbolt connectors are provided on the back of the ARC 8050 RAID storage for connecting the array to Thunderbolt host and next Thunderbolt devices There...

Страница 22: ...uter Connect the cable to one of the interface ports on the back of your ARC 8050 RAID storage and to your Thunderbolt capable computer The additional port may be used to daisy chain compatible comput...

Страница 23: ...can remote manage the RAID enclosure without adding any user specific software platform independent via standard web browsers directly connected to the 10 100Mbit RJ45 LAN port Connect LAN port of the...

Страница 24: ...olume set units initialized by the controller before they are ready to use by the system With MRAID software installed on your host computer and cables connected you are ready to turn on your ARC 8050...

Страница 25: ...e the RAID storage using Archttp proxy server installed via standard web browsers Start McRAID Storage Manager Browser Edition 1 In Windows right click on Start menu and choose Pro grams Clicking MRAI...

Страница 26: ...ed Configura tion on ARC 8050 user manual Method 3 LCD Panel with Keypad You can use LCD front panel and keypad function to simply cre ate the RAID volume The LCD status panel also informs you of the...

Страница 27: ...lume from the menu 4 Follow the on screen prompts to create a volume set and to assign a disk drive letter For Mac Thunderbolt capable system When you create a volume through McRAID storage manager th...

Страница 28: ...your devices have finished all operations in progress and are ready to be removed If you don t see the Safely Remove Hardware and Eject Media icon click the Show hidden icons button to display all ic...

Страница 29: ...turn into an Eject arrow This will assure that all data is properly cleared from the system memory before the volume is removed 2 When the volume icon disappears from the desktop RAID storage can be...

Страница 30: ...of band interface refers to transport SNMP data of ARC 8050 RAID storage from a remote station connected to the controller through a network cable Before launching the SNMP manager on clinet you firs...

Страница 31: ...hen a disk is hot swapped ARC 8050 RAID storage may no longer be fault tolerant Fault tolerance will be lost until the hot swap drive is sub sequently replaced and the rebuild operation is completed 2...

Страница 32: ...for you to start up the ArcHTTP utility When you click the ArcHTTP it shows all RAID storages available on the system and System Function on left column of the Archttp Configurations screen The ArcHT...

Страница 33: ...tware To enable the RAID storage email sending function click on the Mail Con figuration link The SMTP Server Configurations menu will show as following When you open the mail configuration page you w...

Страница 34: ...be sent Urgent Error Notification Send only urgent events Serious Error Notification Send urgent and serious events Warning Error Notification Send urgent serious and warning events Information Notif...

Страница 35: ...evices use public as default of their community names This value is case sensitive 3 SNMP Trap Notification Configurations Before the client side SNMP manager application accepts the RAID storage trap...

Страница 36: ...can Device function is a procedure which forces the archttp to rescan the targets to allow a missed RAID storage to be added Collect Support Data Areca has added the Collect Support Data option on the...

Страница 37: ...thod can launch the web browser based McRAID storage manager via archttp proxy server The firmware embedded web browser based McRAID storage manager allows local or remote to access it from any standa...

Страница 38: ...con is for you to start up the McRAID storage manager by ArcHTTP and CLI utility When you click the ArcHTTP from MRAID icon it shows all RAID stor ages available on the host system and create an indiv...

Страница 39: ...irectly connected to the 10 100Mbit RJ45 LAN port To configure Thunderbolt RAID storage on a remote machine you need to know its IP address The IP address will default show in the LCD initial screen L...

Страница 40: ...nstalled it can modify the volume set Capacity Raid Level and Stripe Size Raid Set Functions Create a customized RAID set Volume Set Functions Create customized volume sets and modify the existed volu...

Страница 41: ...Set link A Select The Drive For Raid Set screen is displayed showing the drive s connected to the current controller and enclosures Click on the selected physical drives within the current RAID set E...

Страница 42: ...n the Deleted Raid Set link A Select The Raid Set To Delete screen is displayed showing all exist RAID sets in the current controller Click the RAID set num ber which you want to delete in the select...

Страница 43: ...ional capacity can be utilized by one or more volume sets The volume sets associated with this RAID set appear for you to have chance to modify RAID level or stripe size Follow the instruction present...

Страница 44: ...is first created by the controller The Rename Raid Set function is for customer to rename the default RAID set name To rename a RAID set from a group of RAID sets 1 Click on the Rename Raid Set link 2...

Страница 45: ...tivate the RAID set that had a disk removed or failed in the power off state The RAID storage will continue to work in degraded mode 4 5 7 Create Hot Spare When you choose the Create Hot Spare option...

Страница 46: ...ck box Click the Confirm The Operation check box and click the Submit button on the screen to delete the hot spares 4 5 9 Rescue Raid Set When the system is powered off in the RAID set update creation...

Страница 47: ...28 volume sets can be created in a RAID set 3 The maximum addressable size of a single volume set is not lim ited to 2TB because the controller is capable of 64 bit LBA mode However the operating syst...

Страница 48: ...appropriate volume size to fit your application Greater Two TB Volume Support If volume capacity will exceed 2TB controller will show the Greater Two TB Volume Support sub menu Greater Two TB Volume...

Страница 49: ...e completed before the volume set ready for system accesses There is no initialization happened when you select No Init option No Init is for customer to rescue volume without losing data in the disk...

Страница 50: ...without access key ARC 8050 support 128 and 256 bit encryption keys using AES a key size of 128 or 256 bits or password a vari able key size Each encryption key size causes the algorithm to behave sli...

Страница 51: ...ID Each SCSI device attached to the SCSI card as well as the card itself must be assigned a unique SCSI ID number A SCSI channel can connect up to 15 devices The RAID storage is a large SCSI device As...

Страница 52: ...w all volume set items in the selected RAID set Note RAID level 30 50 and 60 can support up to two RAID set two pairs but it can not support expansion and migration Click a volume set number and the C...

Страница 53: ...e capacity size When finished the above action click on the Submit button to complete the action The last volume set starts to expand its capacity To expand an existing volume noticed Only the last vo...

Страница 54: ...a disk is added to a RAID set Migration state is displayed in the volume state area of the RAID Set Hierachy screen 4 6 5 Check Volume Set To check a volume set from a RAID set 1 Click on the Check Vo...

Страница 55: ...atches the read parity Volume checks are very important because they detect and cor rect parity errors or bad disk blocks in the drive A consistency check forces every block on a volume to be read and...

Страница 56: ...eted a bar indicator will show Key File Has Been Downloaded Successfully 4 7 Physical Drive Choose this option to select a physical disk from the main menu and then perform the operations listed below...

Страница 57: ...Modi fication screen appears mark the check box for the pass through disk from the pass through drive pool and click on the Submit button to select drive When the Enter Pass Through Disk Attribute sc...

Страница 58: ...status indi cated as Raid Set by clicking on the appropriate check box b Select a Clone Target status indicated as Free or Hot Spare by clicking on the appropriate check box c If you have available d...

Страница 59: ...ers are marked as Offlined 6 7 4 2 Clone Only The stand by disk will clone the logical drives without substitut ing it The status of the stand by drive will be marked as Of flined after the cloning pr...

Страница 60: ...nnection due to disk fail Basically in the eyes of the controller the disk suddenly disap pears due to whatever reason 4 7 8 Identify Enclosure To prevent removing the wrong enclosure the selected Are...

Страница 61: ...em Beeper Setting The System Beeper Setting function is used to Disabled or Enabled the RAID storage alarm tone generator Background Task Priority The Background Task Priority is a relative indication...

Страница 62: ...to select the SATA NCQ support Enabled or Disabled HDD Read Ahead Cache Allow Read Ahead Default Enabled When Enabled the drive s read ahead cache algorithm is used providing maximum performance unde...

Страница 63: ...state will change to Degraded Mode while it powers on Disk Write Cache Mode User can set the Disk Write Cache Mode to Auto Enabled or Disabled Enabled increases speed Disabled increases reli ability W...

Страница 64: ...a drive that is used in redundant units The controller provides three truncation modes in the system configuration Multiples Of 10G Multiples Of 1G and Disabled Multiples Of 10G If you have 120 GB dri...

Страница 65: ...ivity will be temporally halted until the SMART parameter reading is finished That is why you don t want to set the Smart Polling Interval too frequent What to use is up to the users to decide based o...

Страница 66: ...ox beside this button and then selecting the button Normally you should not need to modify this value There are two selections either 2 retry or 3 retry Buffer Threshold This new feature there are 3 o...

Страница 67: ...le for the transfer of AV stream needing great band widths They are required to do some setting for the handshaking during the processing of stream data This setting is an object of transferring strea...

Страница 68: ...Margin is for controller to reserve n write margin AV stream recording It is designed to eliminate the frame drop and ensure to provide the smooth and stable performance on the application Read And Di...

Страница 69: ...r in groups allowing the drives to come ready at the optimum time without straining the system power supply The staggered drive spin up in a multiple drive environment also avoids the extra cost of a...

Страница 70: ...ush current at power up and to allow the controller to sequence the spinup of devices It is mainly for server workstation environments operating in multiple drive configurations 4 8 4 Ethernet Configu...

Страница 71: ...assigned IP address is in the same range as the default router address and that it is unique to your private network However it is highly recommend to use DHCP if that option is available on your net...

Страница 72: ...ure the RAID storage e mail function move the cursor bar to the main menu and click on the System Controls link The System Controls menu will show all items Move the cur sor bar to the Alert By Mail C...

Страница 73: ...adio or satellite receiver or modem It provides accuracies typically within a millisecond on LANs and up to a few tens of milliseconds on WANs relative to Coordinated Universal Time UTC via a Global P...

Страница 74: ...k allows you to disable the automatic adjustment 4 8 8 View Events Mute Beeper To view the RAID storage s event information click on the View Event Mute Beeper link The RAID storage System events Info...

Страница 75: ...password has been set the user can only monitor and configure the RAID storage by providing the correct password The password is used to protect the RAID storage from unauthorized entry The controlle...

Страница 76: ...when entering the main menu from the starting screen 4 8 12 Update Firmware Please refer to the appendix A Upgrading Flash ROM Update Pro cess 4 9 Information 4 9 1 Raid Set Hierarchy Use this featur...

Страница 77: ...n the ROC controller Click on the Clear Error Log to refresh the fully statistic page 4 9 3 System Information To view the RAID storage s system information move the mouse cursor to the main menu and...

Страница 78: ...WEB BROWSER BASED CONFIGURATION 78 4 9 4 Hardware Monitor The hardware monitor information of the enclosure attached in this controller is also shown on this screen...

Страница 79: ...ard using ARC8050BOOT BIN RAID controller hardware initialization ARC8050FIRM BIN RAID kernel program ARC8050MBR0 BIN Master Boot Record for supporting Dual Flash Image in the ARC 8050 6Gb s SAS RAID...

Страница 80: ...4 The web browser begins to download the firmware binary to the controller and start to update the flash ROM 5 After the firmware upgrade is complete a bar indicator will show Firmware Has Been Update...

Страница 81: ...nd Line Interface CLI provides you to configure and manage the RAID storage components in Mac environment The CLI is useful in environments where a graphical user interface GUI is not available Throug...

Страница 82: ...ite back cache on the RAID storage and pro vides power to the cache memory if it contains data not yet written to the hard drives when power failure occurs B 1 BBM Connector and Components This sectio...

Страница 83: ...position NH1 NH2 and NH3 and secures it using round head screws 3 Connector J2 is available for the optional battery backup module Connect the BBM cable to the 12 pin J6 battery con nector on the cont...

Страница 84: ...he Mode Auto if Disk Write Cache option does not set on the Auto 4 Set the volume set Cache Mode Write Back Cache B 6 Battery Functionality Test Procedure 1 Write amount of data into controller volume...

Страница 85: ...BBM 8 Disable the write back function from the LCD or McRAID stor age manager B 8 BBM Specifications Mechanical Module Dimension W x H x D 37 3 x 13 x 81 6 mm Environmental Operating Temperature Temp...

Страница 86: ...in a hierarchical data structure called the Management Information Base MIB These MIBs are defined and sanctioned by various industry associations Each type of device on your network has its own spec...

Страница 87: ...cation and compile the MIB description file with the SNMP management application database Before the manager application accesses the Areca RAID controller it is necessary to integrate the MIB into th...

Страница 88: ...nt software Archttp runs as a service or daemon and has it automatically start the proxy for all control lers found This way the controller can be managed remotely without having to sign in the server...

Страница 89: ...to send the SNMP traps please see SNMP Traps Configuration section on chapter 3 Archttp Configuration If SNMP manager requests to query the SNMP information from RAID controller please refer the C 3...

Страница 90: ...accesses to the SNMP agent of a particular network device Type in the com munity names of the SNMP agent Before access is granted to a request station this station must incorporate a valid community n...

Страница 91: ...nt Level Meaning Action Device Inserted Warning HDD inserted Device Removed Warning HDD removed Reading Error Warning HDD reading error Keep Watching HDD status may be it caused by noise or HDD unstab...

Страница 92: ...olume deleted Modify Volume Warning Volume modified Volume Degraded Urgent Volume degraded Replace HDD Volume Failed Urgent Volume failure Failed Volume Revived Urgent Failed volume revived Abort Init...

Страница 93: ...heck air flow and cooling fan of the enclosure and contact us Hdd Over Temperature Urgent Abnormally high temperature detected on Hdd over 55 degree Check air flow and cooling fan of theenclosure Fan...

Страница 94: ...us a VT100 login detected API Log In Serious a API login detected Lost Rebuilding MigrationLBA Urgent Some rebuilding migration raidset member disks missing before power on Reinserted the missing memb...

Страница 95: ...he host system as a single logical device in other words a single large virtual hard disk A volume set will use a specific RAID level which will require one or more physical disks depending on the RAI...

Страница 96: ...protected against disk failures while initialing If using Foreground Initialization the initializa tion process must be completed before the volume set is ready for system accesses Online Array Roami...

Страница 97: ...s the volume sets being expanded can be accessed by the host system In addition the volume sets with RAID level 1 10 3 5 or 6 are protected against data loss in the event of disk failure s In the case...

Страница 98: ...anding a RAID level 1 array would require the addition of two disks A third disk can be added to the existing RAID logical drive and the volume set can then be migrated from RAID level 1 to 5 The resu...

Страница 99: ...m partition is extended to incorporate the free space so it can be used by the operating system without creating a new operating system partition You can use the Diskpart exe command line utility incl...

Страница 100: ...rtant The hot spare must have at least the same capacity as the drive it replaces Hot Swap Disk Drive Support The RAID controller chip includes a protection circuit that sup ports the replacement of S...

Страница 101: ...uilt and so that fault toler ance can be maintained RAID controllers will automatically restart the system and rebuilding process if the system is shut down or powered off abnormally during a reconstr...

Страница 102: ...D storage firmware that probes the drive and look at it The SMART can often predict a problem before failure occurs The controllers will recognize a SMART error code and notify the administer of an im...

Страница 103: ...cy a consistency check reads all associated data blocks com putes parity reads parity and verifies that the computed parity matches the read parity Consistency checks are very important because they...

Страница 104: ...or three years before replacement is necessary Recovery ROM RAID controller firmware is stored on the flash ROM and is ex ecuted by the I O processor The firmware can also be updated through the RAID...

Страница 105: ...d the disks physical configuration transparent to the host operating system This means that the host operating system drivers and software utilities are not affected regardless of the RAID level selec...

Страница 106: ...f the array controller can in paral lel access both members of a mirrored pair During writes there will be a minor performance penalty when compared to writing to a single disk If one drive fails all...

Страница 107: ...ach strip is mirrored on an adjacent disk with wrap around Areca RAID 10 offers a little more flexibility in choosing the number of disks that can be used to constitute an array The number can be even...

Страница 108: ...edicated parity disk If one drive in the system fails the parity information can be used to reconstruct the data from that drive All drives in the array system can be used for seek operations at the s...

Страница 109: ...and written across all of the drives RAID x0 RAID level x0 refers to RAID level 00 100 30 50 and 60 RAID x0 is a combination multiple RAID x volume sets with RAID 0 striping Striping helps to increase...

Страница 110: ...00 100 30 50 or 60 JBOD Just a Bunch Of Disks A group of hard disks in a RAID box are not set up as any type of RAID configuration All drives are avail able to the operating system as an individual d...

Страница 111: ...sk Read request can be satisfied by data read from wither one disk or both disks 3 Up to one disk failure in each sub volume 3 Also known Bit Interleaved Parity Data and parity information is subdivid...

Страница 112: ...g 6 Up to one disk failure in each sub volume 50 RAID 50 is a combination multiple RAID 5 volume sets with RAID 0 striping 6 Up to one disk failure in each sub volume 60 RAID 60 is a combination multi...

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