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6Gb/s SATA RAID TB User Manual

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1. About community Community name acts as a password to screen accesses to the SNMP agent of a particular network device Type in the community names of the SNMP agent Before access is granted to a request station this station must incorporate a valid community name into its request otherwise the SNMP agent will deny access to the system Most network devices use public as default of their community names This value is case sensitive b Mark the check box on the SNMP Through PCI Inband setting 172 APPENDIX and keep space or zero on all SNMP Tarp IP Address options c Installing the SNMP extension agent on the server which has the Areca controller Please refer to next section of SNMP Extension Agent Installa tion for different operation system such as Windows Linux and FreeBSD C 3 4 SNMP Extension Agent Installation The SNMP extension agent on the device is able to return mean ingful highly useful information to the SNMP manager The Areca RAID controllers have supported the extension agent for Win dows Linux and FreeBSD This section is the detail procedures for those extension agent installations C 3 4 1 Windows You must have administrative level permission to install 6Gb s SATA RAID controller extension agent software This procedure assumes that the RAID hardware and Windows are both in stalled and operation
2. When you click the archttp proxy server utility it shows all RAID adapters available on the system and create an individual adapter icon located on left column of the Archttp Configurations screen This adapter icon is for user to launch the selected RAID adapter web browser RAID manager The Enter Network Password dialog screen appears type the SSS a a aa a a a T 117 WEB BROWSER BASED CONFIGURATION User Name and Password The RAID controller default User Name is admin and the Password is 0000 After entering the user name and password press Enter key to access the McRAID stor age manager e Start up McRAID Storage Manager from Linux FreeBSD Solaris Mac Local Administration To configure the internal 6Gb s SATA RAID controller You need to know its IP address You can find the IP address assigned by the Archttp proxy server installation Binding IP X X X X and controller listen port 1 You can click the individual adapter icon located on left column of the Archttp Configurations screen or Launch your McRAID storage manager by entering http Computer IP Address Port Number in the web browser 2 When connection is established the System Login screen appears The 6Gb s SATA RAID controller default User Name is admin and the Password is 0000 e Start up McRAID Storage Manager Through Ether net Port Out of Band Areca now offers an alternative means of commu
3. 132 WEB BROWSER BASED CONFIGURATION function can support the Volume Modification function To expand the last volume set capacity move the cursor bar to the Capacity item and entry the capacity size When finished the above action click on the Sumbit button to complete the action The last volume set starts to expand its capacity To expand an existing volume noticed e Only the last volume can expand capacity e When expand volume capacity you can t modify stripe size or modify RAID level simultaneously e You can expand volume capacity but can t reduce volume capacity size e After volume expansion the volume capacity can t be decreased For greater 2TB expansion e If your system installed in the volume don t expand the volume capacity greater 2TB except your OS and RAID controller can support boot up from a greater 2TB capacity device e Expand over 2TB used LBA64 mode Please make sure your OS supports LBA64 before expand it 6 6 4 2 Volume Set Migration Migrating occurs when a volume set is migrating from one RAID level to another when a volume set strip size changes or when a disk is added to a RAID set Migration state is displayed in the volume state area of the Volume Set Information screen WEB BROWSER BASED CONFIGURATION 1 If the volume is RAID level 30 50 or 60 you can not change the volume to another RAID level If the volume is RAID level 0 1
4. 6 5 8 Delete Hot Spare Select the target hot spare disk to delete by clicking on the ap propriate check box Click the Confirm The Operation check box and click the Submit button on the screen to delete the hot spares BY Areca Technology Corporation lopen all close all B Raid System Console 2 Select The Hot Spare Drive To Delete S Quick Function Enclosure 1 ARECA SATA RAID V1 0 G RAID Set Functions O Create RAID Set Delete RAID Set Expand RAID Set Offline RAID Set Rename RAID Set D Activate Incomplete RAID D Create Hot Spare IP slote6 2000 468 WDC WD2002FYPS 02W380 Global HDD Rescue Raid Set Volume Set Functions S Physical Drives H 0 System Controls Information 6 5 9 Rescue Raid Set When the system is powered off in the RAID set update creation period the configuration possibly could disappear due to this ab normal condition The RESCUE function can recover the missing RAID set information The RAID controller uses the time as the RAID set signature The RAID set may have different time after the RAID set is recovered The SIGANT function can regenerate the signature for the RAID set k Fi A ie Areca Technology Corporation lopen all close all Raid system Console S Tey To Banca Missing RAISES Quick Function B S RAID Set Functions O Create RAID Set Delete RAID Set Expand RAID Set D Offiine RAID
5. Start Initialize Complete Init Create Volume Create Volume Create Valime Select this option to view the system events information Time Device Event Type Elapse Time and Errors The RAID control ler does not have a built in real time clock The time information is the relative time from the system time setting The maximum event no is 256 per controller 6 8 9 Generate Test Event Use this feature is generate events for testing purposes Fa x EE a lopen all close alll Technol tion Do You Want To Generate Test Event Raid system Console ion F confirm the operation HO Physic aes Submit Rosat Alert By Mail Configuration snmp Configuration D NTP Configuration Q View Events Mute Beeper D Generate Test Event D Clear Event Buffer D Modify Password Upgrade Firmware Information 6 8 10 Clear Events Buffer Use this feature to clear the entire events buffer information 155 WEB BROWSER BASED CONFIGURATION RY ERE S Arara Technology Corporation lopen all close all Do You Want To Clear The Event Buffer F Confirm The Operation Submit Reset 6 8 11 Modify Password To set or change the 6Gb s SATA RAID controller password select System Controls from the menu and click on the Modify Pass word link The Modify System Password screen appears
6. The manufacture default password is set to 0000 The password option allows user to set or clear the 6Gb s SATA RAID controller s password protection feature Once the password has been set the user can only monitor and configure the 6Gb s SATA RAID controller by providing the correct password The password is used to protect the 6Gb s SATA RAID controller from unauthorized entry The controller will check the password only when entering the main menu from the initial screen The 6Gb s SATA RAID controller will automatically go back to the initial screen when it does not receive any command in 5 minutes Do not use spaces when you enter the password If spaces are used it will lock out the user To disable the password leave the fields blank Once the user confirms the operation and clicks the Submit button the exist ing password will be cleared Then no password checking will oc cur when entering the main menu from the starting screen Re I Confirm The Operation Submit Reset z a a3 156 WEB BROWSER BASED CONFIGURATION 6 8 12 Update Firmware Please refer to the appendix A Upgrading Flash ROM Update Pro cess A Areca Technology Corporation Jopen all close all Raid System Console rmware File Name T Confirm The Operation Submit Reset 6 9 Information 6 9 1 Raid Set Hierarchy Use
7. Please refer to sec tion 5 6 ArcHttp Configuration of SMTP Sever Configuration Mail Address Configuration and Event Notification Configuration BR vee ape lopen all close alll Ee e pb T Confirm The Operation Samt Resat 6 8 6 SNMP Configuration Please refer to Appendix C of SNMP Operation amp Installation T x x 7 af Areca Technology Corporation lopen all close all Ph bp D P fo jo F J 6 8 7 NTP Configuration The Network Time Protocol NTP is used to synchronize the time of a computer client or server to another server or reference time source such as a radio 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 Positioning Service GPS receiver for example CUE 153 WEB BROWSER BASED CONFIGURATION lopen all close all pE PIE Technology Corporation NTP Server Configurations le fo J J P fo 0 0 eu ar livre Server Not Set T Confirm the operation Submit Reset e NTP Sever Address The most important factor in providing accurate reliable time is the selection o
8. 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 name into its request otherwise the SNMP agent will deny ac cess to the system Most network devices use public as default of their community names This value is case sensitive The system Contact Name and Location that will be shown on the outgoing SNMP trap 3 SNMP Trap Notification Configurations Please refer to Appendix D Event Notification Configurations 171 APPENDIX C 3 3 Using In band PCIe SNMP extension agent Instal lation By using the IP address assigned to the operating RAID control ler using Areca SNMP extension agent through PCIe host bus interface a Set only Community field and keep space or zero on all SNMP Tarp IP Address options on the firmware embedded SNMP configuration function There is no function to set other fields on SNMP System Configuration The SNMP Community and SNMP Tarp IP Address can setup by using browser based manager or CLI SNMP configuration To launch the browser based RAID controller SNMP function click on the System Controls link The System Controls menu will show available items Select the SNMP Configuration item The following SNMP System Configuration screen is launched by browser based manager
9. Setup Complete dialog box of the installation program is displayed Click the Finish button to complete the installation ietalshied Starting SNMP Trap Notification Configurations To start SNMP Trap Notification Configruations there have two methods First double click on the Areca RAID Controller Riso Second you may also use the Taskbar Start programs Areca Technology Corp ArcSnmpConf menus shown below 175 APPENDIX SNMP Community Configurations About community Community name acts as a password to screen accesses to the SNMP agent of a particular network device Type in the community names of the SNMP agent Before access is granted to a request station this station must incorporate a valid community name into its request otherwise the SNMP agent will deny access to the system Most network devices use public as default of their community names This value is case sensitive SNMP Trap Notification Configurations The Community Name should be the same as firmware embedded SNMP Community The SNMP Trap Notification Configurations includes level 1 Serious level 2 Error level 3 Warning and level 4 Information The level 4 covers notification events such as initialization of the controller and initiation of the rebuilding process Level 3 includes events which require the issuance of warning messages Level 2 covers notification events which once have hap
10. 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 selected Correct installation of the disk array and the control ler requires a proper understanding of RAID technology and the concepts RAID O RAID 0 also referred to as striping writes stripes of data across multiple disk drives instead of just one disk drive RAID 0 does not provide any data redundancy but does offer the best High speed data throughput RAID O breaks up data into smaller blocks and then writes a block to each drive in the array Disk strip ing enhances performance because multiple drives are accessed simultaneously the reliability of RAID level 0 is less because the entire array will fail if any one disk drive fails APPENDIX asisas Logical Disk EA RAID 0 Striping Block 0 Block 1 Block 2 Block 3 ooo gggy Physical Disk i i i i Disk 1 Disk 2 Disk 3 Disk 4 RAID 1 is also known as disk mirroring data written on one disk drive is simultaneously written to another disk drive Read performance will be enhanced if 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 data and software applica tions are preserved on the other drive RAID 1 offer
11. the disk The Amount of Read Ahead defines how many data of reading at a time making more efficient use of the RAID sub system This makes it possible to locate and re issue the data without repetitive hard parsing activities EET LL S 146 WEB BROWSER BASED CONFIGURATION The Amount of Read Ahead parameter is used to allocate an amount of memory in the cache memory the frequently ex ecuted queries and return the result set back to the host with out real disk read execution Default value is Auto Controller will base on the HDD number to set the Amount of Read Ahead value You can select between 512KB 16MB e Number of AV Stream RAID controllers are required to have not only the function of processing ordinary data but also the function of dealing with AV audio video stream data needing real time processing Since the bus cycle used in RAID controller was designed to transfer the computer data exactly it was unsuitable 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 stream data efficiently on an existing RAID controller Normally you should not need to modify this value Default value is 6 You can select between 6 256 To decide how to set AV stream play out parameter you need to check the Number of Stream Amount of Read Ahead and Total Cache Memory during runtime You can try
12. 10 1E 3 5 or 6 you can not change the volume to RAID level 30 50 or 60 2 Power failure may damage the migration data Please backup the RAID data before you start the migration function 6 6 5 Check Volume Set To check a volume set from a RAID set 1 Click on the Check Volume Set link 2 Click on the volume set from the list that you wish to check Click on Confirm The Operation and click on the Submit but ton Use this option to verify the correctness of the redundant data in a volume set For example in a system with dedicated parity volume set check means computing the parity of the data disk drives and comparing the results to the contents of the dedicated parity disk drive The checking percentage can also be viewed by clicking on RAID Set Hierarchy in the main menu 6 6 6 Schedule Volume Check A volume check is a process that verifies the integrity of redun dant data To verify RAID 3 5 6 30 50 or 60 redundancy a volume check reads all associated data blocks computes parity reads parity and verifies that the computed parity matches 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 any bad blocks are marked those blocks are not used again This is criti cal and important because a bad disk block can prevent a disk rebuild from comp
13. Incomplete Raid option to enable The RAID state will change to Degraded Mode while it powers on e Disk Write Cache Mode User can set the Disk Write Cache Mode to Auto Enabled or Disabled Enabled increases speed Disabled increases reli ability e Write Same For Initialization Drives that support the Write Same feature SCT can write to multiple drive sectors at once improving initialization time To take advantage of this feature all the drives in the unit must support Write Same User can set the Enabled or Disabled for the controller initialization e Hot Plugged Disk For Rebuilding It defines if the RAID array volume should start rebuilding or not when detects a disk is inserted re inserted during online The options are Blank Disk Only Always and Disable The default is Blank Disk Only Blank Disk Only it will trigger the rebuilding if and only if the inserted disk has not been in the RAID array before which has no RAID signature on it So when a previously removed disk is self re inserted it won t trigger the degraded RAID array to re build and so that the administrator has a chance to identify this miss behaving disk and replace it Always it is what it was before Whenever a disk is inserted re inserted whether new or previously existed it always triggers a rebuilding for the Degraded RAID set Volume Disable it will no
14. K Janc 1224 voL 000 anc 1224 voL 001 anc 1224 voL 002 arc 1224 voL 003 capacity 30 068 30 068 30 068 20 068 aRc 1224 voL 004 Raid Set 000 30 0GB TAA AR T Confirm The Operation _Submit Reset 6 6 4 Modify Volume Set To modify a volume set from a RAID set 1 Click on the Modify Volume Set link 2 Click the volume set check box from the list that you wish to modify Click the Submit button The following screen appears EN i Tat Areca Technology Corporation lopen all close all Raid System Console Select Volume Set Name On Raid Set capacity g ARC 1224 VOL 000 Raid Set 000 2199 08 Use this option to modify the volume set configuration To modify volume set attributes move the cursor bar to the volume set at tribute menu and click it The Enter The Volume Attribute screen appears Move the cursor to an attribute item and then click the attribute to modify the value After you complete the modification click the Confirm The Operation check box and click the Sub mit button to complete the action The user can only modify the last volume set capacity 6 6 4 1 Volume Growth Use Expand RAID Set function to add disk to a RAID set The additional capacity can be used to enlarge the last volume set size or to create another volume set The Modify Volume Set
15. SATA Drives For Raid Set Expansion screen appears Jopen all close all 90 068 Select the target RAID set by clicking on the appropriate radio button Select the target disk by clicking on the appropriate check box Click on the Submit button to start the expansion on the RAID set The new additional 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 presented in the Modify Volume Set to modify the volume sets operation system specific utilities may be required to expand operating system partitions 6 5 4 Offline Raid Set This function is for customer being able to unmount and remount a multi disk volume All Hdds of the selected RAID set will be put into offline state spun down and fault LED in fast blinking mode User can remove those Hdds and insert new Hdds on those empty slots without needing power down the controller C UU O a 123 WEB BROWSER BASED CONFIGURATION a a Ai l 43s Areca Technology Corporation lopen all close all Select The Raid Set To Select Raid Set Nai Raid sy SO Quick Fur Member Disks Raid State capacity g Raid Set 000 2 2 Normal 60 0GB s D Create RAID Set D Delete RAID Set Q Expand RAID Set D Offline RAID Set O Rename RAID Set D Act
16. SATA RAID con troller To create RAID 30 50 60 volume you need create multiple RAID sets first up to 8 RAID sets with the same disk numbers on each RAID set The max no disk drives per RAID set 24 for RAID 0 10 1E 3 5 6 30 50 60 6 5 2 Delete Raid Set To delete a RAID set click on 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 column on the delete screen Then click the Confirm The Operation check box and click on the Submit button in the screen to delete it The volume sets included in the Delete RAID Set It will be deleted by this action But for the Raid 30 50 60 you need to delete the volumes belonging to those RAID sets a ar i i Arara Technology Corporation Jopen all close all s Select The Raid Set Te Select Raid Sel Rai capacity 2000 0GB Confirm The Operation VolumeSet In This RaidSet Will Also Be Deleted 6 5 3 Expand Raid Set Instead of deleting a RAID set and recreating it with additional disk drives the Expand Raid Set function allows the users to add disk drives to the RAID set that have already been created To expand a RAID set SSS a 122 WEB BROWSER BASED CONFIGURATION Select the Expand Raid Set option If there is an available disk then the Select
17. Set Rename RAID Set D Activate Incomplete RAID D Create Hot Spare Delete Hot Spare Enter The Keyword F Confirm The Operation S Volume Set Functions G Physical Drives S system Controls Information WEB BROWSER BASED CONFIGURATION 6 6 Volume Set Functions A volume set is seen by the host system as a single logical device It is organized in a RAID level with one or more physical disks RAID level refers to the level of data performance and protection of a volume set A volume set capacity can consume all or a portion of the disk capacity available in a RAID set Multiple volume sets can exist on a group of disks in a RAID set Additional volume sets created in a specified RAID set will reside on all the physical disks in the RAID set Thus each volume set on the RAID set will have its data spread evenly across all the disks in the RAID set The following summaries are the volume set features for the 6Gb s SATA RAID controller 1 Volume sets of different RAID levels may coexist on the same RAID set and up to 128 volume sets per controller 2 Up to 128 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 system itself may not be capable of ad dressing more than 2TB See Areca website ftp ftp areca com tw RaidCards Docu ments Manual_Spec Over2T
18. any hot spare disk was used to rebuild and without new installed drive replaced it In this condition the Auto Declare Hot Spare status will be disap peared if the RAID subsystem has since powered off on The Hot Swap function can be used to rebuild disk drives in arrays with data redundancy such as RAID level 1 1E 3 5 6 10 30 50 and 60 e Auto Rebuilding If a hot spare is available the rebuild starts automatically when a drive fails The RAID controllers automatically and transpar ently rebuild failed drives in the background at user definable rebuild rates If a hot spare is not available the failed disk drive must be re placed with a new disk drive so that the data on the failed drive can be automatically rebuilt and so that fault tolerance 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 reconstruction procedure condition When a disk is hot swapped although the system is functionally operational the system may no longer be fault tolerant Fault tolerance will be lost until the removed drive is replaced and the rebuild operation is completed During the automatic rebuild process system activity will con tinue as normal however the system performance and fault tolerance will be affected e Adjustable Rebuild Priority Rebuilding a degraded volume incurs a load on the RAID sub system The RAID cont
19. down A forth disk could be added to migrate to RAID level 6 It is only possible to migrate to a higher RAID level by adding a disk disks in an existing array can t be reconfigured for a higher RAID level without adding a disk Online migration is only permitted to begin if all volumes to be migrated are in the normal mode During the migration pro cess the volume sets being migrated are accessed by the host system In addition the volume sets with RAID level 1 1E 10 3 5 or 6 are protected against data loss in the event of disk failure s In the case of disk failure the volume set transitions SSS NEY 185 APPENDIX from migrating state to migrating degraded state When the migration is completed the volume set transitions to degraded mode If a global hot spare is present then it further transitions to rebuilding state e Online Volume Expansion Performing a volume expansion on the controller is the process of growing only the size of the latest volume A more flexible op tion is for the array to concatenate an additional drive into the RAID set and then expand the volumes on the fly This happens transparently while the volumes are online but at the end of the process the operating system will detect free space at after the existing volume Windows NetWare and other advanced operating systems sup port volume expansion which enables you to incorporate the additional free space within the volume into the opera
20. network When using the internet s set of protocols TCP IP in order for a computer system to communicate to another computer system it needs a unique IP address Without DHCP the IP address must be entered manually at each computer sys tem DHCP lets a network administrator supervise and distribute IP addresses from a central point The purpose of DHCP is to provide the automatic dynamic allocation of IP client configu rations for a specific time period called a lease period and to eliminate the work necessary to administer a large IP network e Local IP address If you intend to set up your client computers manually no DHCP make sure that the 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 network An IP address alloca tion scheme will reduce the time it takes to set up client com ee 151 WEB BROWSER BASED CONFIGURATION 152 puters and eliminate the possibilities of administrative errors and duplicate addresses To manually configure the IP address of the controller move the cursor bar to Local IP address item then reassign the static IP address of the controller e Gateway IP address A gateway is a node a router on a TCP IP network that serves as an access point to another network A default gateway is the node on the computer network that the network soft
21. open all close all Q raid 5 2000 458 WDC WD2003FYYS 02W0B0 139 WEB BROWSER BASED CONFIGURATION 140 6 7 8 Identify Enclosure To prevent removing the wrong enclosure the selected Areca expander enclosure all disks fault LED indicator will light for physically locating the selected enclosure when the Identify Enclosure is selected This function will also light the enclosure LED indicator if it is existed 7 Fi A viet Areca Technology Corporation lopen all close all 6 7 9 Identify Drive To prevent removing the wrong drive the selected disk fault LED indicator will light for physically locating the selected disk when the Identify Selected Device is selected F y at Areca Technology Corporation lopen ali close all Enciosura 1 ARECA SATA RAID V1 0 Josi J 500 168 ese sitez zoco sce stra 500 168 sotsa 2000 468 Sotes 2000 468 woc wozoasFvvs o2wog0 sites 2000 68 woe wozocarres o2wse0 sit 7 2o00 468 woe woz00a vv5 o2woo0 Sotra s000 268 woe woro03Fas 037e0 ahhh hahaaa s System Controls H Information WEB BROWSER BASED CONFIGURATION 6 8 System Controls 6 8 1 System Config To set the RAID system function move the cursor to the main menu and click the System Controls link The Raid System Function menu will show all items and then select the desired fu
22. pass through drives parameters Also provides the function to identify disk drives blinking fault LED System Controls Setting the RAID system configuration Information Viewing the controller information The Raid Set Hierarchy can be viewed through the Raid Set Hierarchy item 6 4 Quick Function x ERE 3 Areca Technology Corporation lopen all close all Quick Create Raid Volume Set i Al S z G 5 8 ORE Select Stripe Size 64_ M keyte Sie Mex 128 Volumes T Confirm The Operation Submit Reset The number of physical drives in the 6Gb s SATA RAID controller determines the Raid Levels that can be implemented with the RAID set You can create a RAID set associated with exactly one volume set The user can change the Raid Level Capacity Initialization Mode and Stripe Size A hot spare option is also created depending on the exist configuration Click the Confirm The Operation check box and click on the Submit button in the Quick Create screen the RAID set and volume set will start to initialize 120 WEB BROWSER BASED CONFIGURATION 6 5 Raid Set Functions Use the Raid Set Function and Volume Set Function if you pre fer to customize your volume set Manual configuration can provide full control of the RAID set settings but it will take longer to com plete than the Quick Volume Raid Setup confi
23. this feature to view the 6Gb s SATA RAID controller current RAID set current volume set and physical disk information The volume state and capacity are also shown on this screen k Ay viet Areca Technology Corporation lopen all close all g E E E m oE A Y EFIS E 157 APPENDIX 6 9 2 System Information To view the 6Gb s SATA RAID controller s system information move the mouse cursor to the main menu and click on the Sys tem Information link The 6Gb s SATA RAID controller RAID Subsystem Information screen appears Use this feature to view the 6Gb s SATA RAID controller s system information The controller name controller firmware version Boot ROM version SATA firmware version serial number main processor CPU instruction data cache size system memory size speed and current IP address appear in this screen ki F x af Areca Technology Corporation lopen all close all 6 9 3 Hardware Monitor The hardware monitor information of this controller is shown on this screen open all close all 143 4 Areca Technology Corporation 158 APPENDIX Appendix A Upgrading Flash ROM Update Process A 1 Overview Since the ARC 12x4 RAID controllers feature flash ROM firmware it is not necessary to change the hardware flash chip in order to upgrade the RAID fir
24. to integrate the MIB into the management application s database of events and status indicator codes This process is known as compiling the MIB into the application This process is highly vendor specific and should be well covered in the User s Guide of your SNMP application Ensure the compilation process successfully integrates the contents of the areca_SATA mib file into the traps database Please refer to Appen dix C of SNMP Operation amp Installation The MIBs file resides at lt CD ROM gt packages SNMP_MIBs on the software CD ote Event Notification Table refer to Appendix D After you confirm and submit configurations you can use Generate Test Event feature to make sure these settings are correct e Rescan Device Configuration Let s assume you ve put all Areca RAID adapters to a system The Archttp scans the RAID adapters on the system and create an individual adapter icon located on left column of the Archttp Configurations screen This adapter icon is for user to launch web browser RAID manager If there is any RAID adapter missed on the system start up you can use the Rescan Device function The 114 ARCHTTP PROXY SERVER INSTALLATION Rescan Device function is a procedure which forces the archttp to rescan the targets to allow a missed RAID adapter to be added 3 Az A iet ArcHTTP Configurations s lopen all close all Do You Want To Rescan Device ArcHTTP
25. v2 00 System Functions f zeneral Configuration Confirm The Operation LDG l Conf i O Confirm Th i Mail Configuration LO SNMP Trap Configuration ee L Rescan Device E gt E SAS RAID Controllers LQ ARC 1224 Web Management ESATA RAID Controllers e Collect Support Data Areca has added the Collect Support Data option on the Archttp proxy server utility to download a support file file name ctIrxx Xxxxx l0g with all necessary information system information configuration disk information eventlog The Collect Support Data function will be automatically started when ERROR or SERIOUS event has occurred Jopen all close all i R aram v2 2 0 Do You Want To Collect Support Data B S System Functions TD General Configuration Confirm The Operation 0 Mail Configuration D SNMP Trap Configuration Submit Reset D Rescan Device D Support Data Ei mesas RAID Controllers L ARC 1224 Web Mar ESATA RAID Controllers 115 WEB BROWSER BASED CONFIGURATION 6 Web Browser based Configuration Before using the firmware based browser McRAID storage manager do the initial setup and installation of this product If you need to boot up the operating system from a RAID volume set you must first create a RAID volume by using McBIOS RAID manager Please refer to section 3 3 Using Quick Volume Raid Setup configuration for information on creating this initial volume set T
26. 6Gb s SATA RAID TB T12 S6 TB Desktop RM12 S6 TB Rackmount User Manual Version 1 0 Issue Date October 2013 ARCHTTP PROXY SERVER INSTALLATION 5 5 For Mac OS 10 X The ArcHttp proxy server is provided on the software CD delivered with 6Gb s SATA RAID controller or download from the www areca com tw The firmware embedded McRAID storage manager can configure and monitor the 6Gb s SATA RAID controller via ArcHttp proxy server The Archttp proxy server for Mac pro please refer to Chapter 4 6 Driver Installation for Mac 10 X 5 6 ArcHttp Configuration The ArcHttp proxy server will automatically assign one additional port for setup its configuration If you want to change the archttp srv conf setting up of ArcHttp proxy server configuration for example General Configuration Mail Configuration and SNMP Configuration please start Web Browser http localhost Cfg As sistant Such as http localhost 81 The port number for first con troller MCRAID storage manager is ArcHttp proxy server configura tion port number plus 1 eoo ARCHTTP Configuration 2 Lale hetp locahost 81 KQ Coogle _ E hallo e M 8 Apple Yahoo GoogleMaps YouTube Wikipedia News 555 Popular a ar 5 E RE ArcHTTP Configurations lopen all close all H ArcHTTP v2 2 3 System Functions escan Device Collect Support Data E SAS RAID Controllers Q ARC 1224 Web Management KYERESATA RA
27. BOOT FIRM and MBRO before you reboot system Otherwise a mixed firmware package may hang the controller 159 APPENDIX A 2 Upgrading Firmware Through McRAID Storage Manager Get the new version firmware for your 6Gb s SATA RAID controller For example download the bin file from your OEM s web site onto the C drive k F4 y Ji Areca Technology Corporation Coo L Confirm The Operation Submit Reset 1 To upgrade the 6Gb s SATA RAID controller firmware move the mouse cursor to Upgrade Firmware link The Upgrade The Raid System Firmware or Boot Rom screen appears 2 Click Browse Look in the location to which the Firmware upgrade software was downloaded Select the file name and click Open 3 Click Confirm The Operation and press the Submit button 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 Updated Successfully 6 After the new firmware package completes downloading find a chance to restart the controller computer for the new firmware to take effect The web browser based McRAID storage manager can be accessed through the in band PCIe bus or out of band LAN port The in band method uses the ArcHttp proxy server to launch the McRAID storage manage
28. B_050721 ZIP file for details 6 6 1 Create Volume Set 0 1 10 3 5 6 To create volume set from RAID set system move the cursor bar to the main menu and click on the Create Volume Set link The Select The Raid Set To Create On It screen will show all RAID set number Tick on a RAID set number that you want to create and then click on the Submit button The new create volume set attribute allows user to select the Volume Name RAID Level Capacity Greater Two TB Volume Support Initialization Mode Strip Size Cache Mode Tagged Command Queuing and SCSI Channel SCSI ID SCSI Lun 127 WEB BROWSER BASED CONFIGURATION 128 E 3 aA Tat Areca Technology Corporation ks lopen all close alll ARC 1224 VCLA08 O Confirm The Operation Submit Reset e Volume Name The default volume name will always appear as ARC 12x4 VOL You can rename the volume set providing it does not exceed the 15 characters limit e Volume Raid Level Set the Raid Level for the volume set Highlight the desired RAID level from the available RAID levels option e Capacity The maximum volume size is the default initial setting Enter the appropriate volume size to fit your application e Greater Two TB Volume Support If volume capacity will exceed 2TB controller will show the Greater Two TB Volume Supp
29. D 6 RAID 6 provides the highest reliability It is similar to RAID 5 but it performs two different parity computations or the same compu tation on overlapping subsets of the data RAID 6 can offer fault tolerance greater than RAID 1 or RAID 5 but only consumes the capacity of 2 disk drives for distributed parity data RAID 6 is an extension of RAID 5 but uses a second independent distributed parity scheme Data is striped on a block level across a set of drives and then a second set of parity is calculated and written across all of the drives Logical Disk RAID 6 P Q Redundancy A Blocks B Blocks C Blocks D Blocks E Blocks F Blocks Bi oo a5 GG Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 Disk 6 ls RAID xO 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 capacity and performance without adding disks to each RAID x array The operating system uses the spanned volume in the same way as a regular volume Up to one drive in each sub volume RAID 3 or 5 may fail with out loss of data Up to two drives in each sub volume RAID 6 may fail without loss of data RAID level x0 allows more physi cal drives in an array The benefits of doing so are larger volume sets increased performance and increased reliability The following illustration is an example of a RAID level x0 logical drive APPENDIX bossi PE TE Logi
30. E ae ee Ate 1 eet Areca Technology Corporation lopen all close all i A Advai TLER Setting Default V i ma me Disabled EFI g jLegacy NTIS UEF O Confirm The Operation Submit Reset Disabled e TLER Setting TLER time limited error recovery functions provide support for WD Caviar RE RAID series disks This is a new option from WD to support RAID features that were traditionally missing from standard desktop drives TLER is a method of signaling the sys tem RAID controller in the event that an error recovery process is taking longer than time out specifications allow This prevents the RAID controller from dropping the drive from the array dur ing this period Default value is manufacture setting You can select between 5 6 and 7 second This feature is used to setup the HDD internal timeout value 145 WEB BROWSER BASED CONFIGURATION e Timeout Setting Disk time out is a registry setting that defines the time that RAID controller will wait for a hard disk to respond to a com mand You can modify the retry value by entering a new value in the edit box beside this button and then selecting the button Normally you should not need to modify this value Default value is 8 seconds You can select between 3 8 second
31. ID Controllers Event Log File Name C Confirm The Operation Submit Reset Oo e neral Configuration Binding IP Restrict ArcHttp proxy server to bind only single interface If more than one physical network in the server HTTP Port Value 1 65535 Display HTTP Connection Information To Console Select Yes to show Http send bytes and receive bytes information in the console Scanning PCI Device Select Yes for ARC 1XXX series controller Scanning RS 232 Device No Scanning Inband Device No aa SS a al 111 ARCHTTP PROXY SERVER INSTALLATION e Mail alert by Mail Configuration To enable the controller to send the email function you need to configure the SMTP function on the ArcHttp software To enable the RAID controller email sending function click on the Mail Con figuration link The SMTP Server Configurations menu will show as following Areca Technology Corporation 1 SMTP Server Configuration When you open the mail configuration page you will see the following settings 1 SMTP Server Configuration SMTP Server IP Address Enter the SMTP server IP address which is not McRAID storage manager IP Ex 192 168 0 2 2 Mail Address Configurations Sender Name Enter the sender name that will be shown on the outgoing mail Ex RaidController_1 Mail address Enter the send
32. SATA RAID controller alarm tone generator e Background Task Priority The Background Task Priority is a relative indication of how much time the controller devotes to a rebuild operation The 6Gb s SATA RAID controller allows the user to choose the re build priority UltraLow Low Medium and High to balance vol ume set access and rebuild tasks appropriately For high array performance specify a Low value e JBOD RAID Configuration JBOD is an acronym for Just a Bunch Of Disk A group of hard disks in a RAID box are not set up as any type of RAID configuration All drives are available to the operating system as E 141 WEB BROWSER BASED CONFIGURATION an individual disk JBOD does not provide data redundancy User needs to delete the RAID set when you want to change the option from the RAID to the JBOD function e SATA NCQ Support The controller supports both SATA and SATA disk drives The SATA NCQ allows multiple commands to be outstanding within a drive at the same time Drives that support NCQ have an internal queue where outstanding commands can be dynami cally rescheduled or re ordered along with the necessary tracking mechanisms for outstanding and completed portions of the workload The 6Gb s SATA RAID controller allows the user to select the SATA NCQ support Enabled or Disabled e HDD Read Ahead Cache Allow Read Ahead Default Enabled When Enabled the drive s read ahead cache a
33. TA RAID controller It dis plays the Raid Set List Volume Set List and Physical Disk List The RAID set information volume set information and drive infor mation can also be viewed by clicking on the RAID Set Hierarchy screen The current configuration can also be viewed by clicking on RAID Set Hierarchy in the main menu 3 lopen all close all To display RAID set information move the mouse cursor to the de sired RAID set number then click it The RAID set information will be displayed To display volume set information move the mouse cursor to the desired volume set number then click it The vol ume set information will be displayed To display drive information move the mouse cursor to the desired physical drive number then click it The drive information will be displayed 119 WEB BROWSER BASED CONFIGURATION 6 3 Main Menu The main menu shows all available functions accessible by clicking on the appropriate link Individual Category Quick Function Create a default configuration which is based on the number of physical disks installed 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 volume sets parameter Physical Drives Create pass through disks and modify the existing
34. Up to one Data and parity information is disk failure subdivided and distributed across all data disks Parity information normally stored on a dedicated parity disk Also known Block Interleaved Up to one Distributed Parity disk failure Data and parity information is subdivided and distributed across all disk Parity information normally is interspersed with user data RAID 6 provides highest reliability Up to two but not widely used Similar to disk failure RAID 5 but does two different parity computations or the same computation on overlapping subsets of the data The RAID 6 can offer fault tolerance greater that RAID 1 or RAID 5 but only consumes the capacity of 2 disk drives for distributed parity data 198 RAID 30 is a combination multiple RAID 3 volume sets with RAID 0 striping RAID 50 is a combination multiple RAID 5 volume sets with RAID 0 striping RAID 60 is a combination multiple RAID 6 volume sets with RAID 0 striping APPENDIX Up to one disk failure in each sub volume Up to one disk failure in each sub volume Up to two disk failure in each sub volume 199
35. a can develop defects This is a common phenomenon The bit density and rotational speed of disks is increasing every year and so are the potential of problems Usually a drive can in ternally remap bad sectors without external help using cyclic redundancy check CRC checksums stored at the end of each sector The RAID controller drives perform automatic defect re assign ment for both read and write errors Writes are always com pleted if a location to be written is found to be defective the O 189 APPENDIX drive will automatically relocate that write command to a new location and map out the defective location If there is a recov erable read error the correct data will be transferred to the host and that location will be tested by the drive to be certain the location is not defective If it is found to have a defect data will be automatically relocated and the defective location is mapped out to prevent future write attempts In the event of an unrecoverable read error the error will be reported to the host and the location will be flagged as being potentially defective A subsequent write to that location will initiate a sector test and relocation should that location prove to have a defect Auto Reassign Sector does not affect disk sub system performance because it runs as a background task Auto Reassign Sector discontinues when the operating system makes a request e Consistency Check A consistency check is a p
36. al hot spare For this feature to work properly the hot spare must have at least the same capacity as the drive it replaces The host spare function only works with RAID level 1 1E 3 5 6 10 30 50 or 60 volume set The Create Hot Spare option gives you the ability to define a global dedicated hot spare disk drive To effectively use the hot spare feature you must always maintain at least one drive that is marked as a global hot spare The hot spare must have at least the same capacity as the drive it replaces e Hot Swap Disk Drive Support The RAID controller chip includes a protection circuit that sup ports the replacement of SATA hard disk drives without having to shut down or reboot the system A removable hard drive tray can deliver hot swappable fault tolerant RAID solutions This feature provides advanced fault tolerant RAID protection and online drive replacement e Auto Declare Hot Spare If a disk drive is brought online into a system operating in de graded mode the RAID controllers will automatically declare the new disk as a spare and begin rebuilding the degraded volume The Auto Declare Hot Spare function requires that the smallest drive contained within the volume set in which the failure oc curred In the normal status the newly installed drive will be reconfig c n online fr isk But the newly install rive i T a U U eS nas 187 APPENDIX tomatically assigned as a hot spare if
37. al in your system To enable the SNMP agent for Windows configure Windows for TCP IP and SNMP services The Areca SNMP extension agent file is ARCSNMP DLL Screen captures in this section are taken from a Windows XP installation If you are running another version of Windows your screens may look different but the Areca SNMP extension agent installation is essentially the same 1 Insert the Areca RAID controller software CD in the CD ROM drive 2 Run the setup exe file that resides at lt CD ROM gt packages windows SNMP setup exe on the CD If SNMP service was not installed please install SNMP service first 173 APPENDIX 3 Click on the setup exe file then the welcome screen ap pears 15 AseSamyCont Isilsheld Wizard E AreSrimpConf 4 Click the Next button and then the Ready Install the Pro gram screen will appear Follow the on screen prompts to com plete Areca SNMP extension agent installation iS AreSampCont InstallShield Wizard InstallShield Wizard Completed Tho installshield Wizard has successfull installed Arcsanpcort Ci Prish to ext the war 5 A Progress bar appears that measures the progress of the Areca SNMP extension agent setup When this screen completes you have completed the Areca SNMP extension agent setup 174 APPENDIX yaf InstallShield Wizard iii Inetalshel 6 After a successful installation the
38. all Areca RAID software This procedure assumes that the Areca RAID hardware and FreeBSD are installed and operational in your system The old version agent has to modify the open source project integrate the changes from Areca manually then take the modified binaries and manually deploy them Users need to change source code from the linux distribution and then main tain it by themselves The new version agent provides the way to integrate with those codes into snmpd snmptrapd and create a sub agent for user easy to install it The new version SNMP extension agent instal lation for FreeBSD procedure please refer to lt CD ROM gt pack ages FreeBSD SNMP readme txt or download from ftp ftp areca com tw RaidCards AP_Drivers FreeBSD SNMP V4 1 177 APPENDIX Appendix D Event Notification Configurations The controller classifies disk array events into four levels depend ing on their severity These include level 1 Urgent level 2 Serious level 3 Warning and level 4 Information The level 4 covers notifica tion events such as initialization of the controller and initiation of the rebuilding process Level 2 covers notification events which once have happen Level 3 includes events which require the issuance of warning messages Level 1 is the highest level and covers events that need immediate attention and action from the administrator The following lists sample events for each level A Device Event Device Inserte
39. an use the Activate Incomplete Raid Set option to active the RAID set After the user completes this function the Raid State will change to Degraded Mode and start to work To activate the incomplete the RAID set click on the Activate Raid Set link A Select The RAID SET To Activate screen is a SSS SSS SSS ar 124 WEB BROWSER BASED CONFIGURATION displayed showing all RAID sets existing on the current controller Click the RAID set number to activate in the select column Click on the Submit button on the screen to activate the RAID set that had a disk removed or failed in the power off state The 6Gb s SATA RAID controller will continue to work in degraded mode Areca Technology Corporation lopen all close all a Select The Raid Set To Activate 9 Raid System Console B Quick Function Select Raid Set Name Member Disks Raid State capacity G RAID Set Functions G Raid Set 000 2 2 Normal 60 06B D Create RAID Set Delete RAID Set c Raid Set 001 3 3 Normal 90 068 D Expand RAID Set D Offine RAID Set Submit Reset D Rename RAID Set Q Activate Incomplete RAID Create Hot Spare D Delete Hot Spare D Rescue Raid Set F Information 6 5 7 Create Hot Spare When you choose the Create Hot Spare option in the Raid Set Function all unused physical devices connected to the current controller appear Select the target disk by click
40. anager application Ensure the compilation process successfully integrates the contents of the areca_SATA mib file into the traps database The MIBs file resides at lt CD ROM gt packages SNMP_MIBs on the software CD or download from http www areca com tw eS 168 APPENDIX Each RAID controller needs to have its own MIBs file Areca provide 4 adapters MIBs file for users User can request it if more control lers install on one system Note 1 The MIB compiler may be not installed by default with SNMP manager 2 Some SNMP managers have unique rule on the format of MIB files you may need to refer the error message to modify the mib file to be able to met the software requirement Step 3 SNMP Service Method With Areca series RAID cards there are 3 service methods to get SNMP ArcHttp onboard NIC and in band PCIe SNMP extension agent 1 Service Method 1 using ArcHttp proxy server Pay attention to these e Do not check mark the option SNMP Through PCI e Make sure you have the latest driver and ArcHttp from this URL http www areca com tw support e ArcHttp supports sending traps only do not support the get command 2 Service Method 2 using onboard NIC Pay attention to these e Do not check mark the option SNMP Through PCI e Do need to fill out the SNMP Trap Config 3 Service Method 3 using in band PCIe SNMP extension agent Pay atten
41. are And File Path Is In C FW ARC12x4FIRM BIN Command sys updatefw path c fw arc12x4firm bin Enter 162 APPENDIX Appendix B Battery Backup Module ARC6120BA T121 ARC 12x4 PCIe 2 0 RAID controllers operate using cache memory The Battery Backup Module is an add on module that provides power to the RAID controller cache memory in the event of a power failure The BBM monitors the write back cache on the RAID controller and provides 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 section provides the board layout and connector jumper for the BBM e D13 Green light when BBM activated e D14 Red light when BBM charging e D15 Green light when BBM normal ARC 8040 BBM s Connector DOOM Oo X m A i n00 Battery Connector I g lt o py Status of BBM r c Ss E wr a DAA ae e B 2 Status of BBM The BBM status will be shown on the web browser of Hardware Monitor Information screen a lopen all close all A Fi x ki ef Areca Technology Corporation 163 APPENDIX B 3 Installation 1 Make sure all power to the system is disconnected 2 The 6Gb s SAS RAID controller s battery connector is avail able for
42. argin 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 e Read And Discard Parity Data This function is used to determine if parity data is to be read and discarded It is designed to eliminate the frame drop and ensure to provide the smooth and stable performance on the ap plication e BIOS Selection It combines the Legacy BIOS and UEFI BIOS and EFI BIOS into a single BIOS and provide BIOS option in the GUI In the old days Areca provided separate BIOS files for each and need to manually flesh it in Now fleshing BIOS for different BIOS type is no longer needed just make the BIOS selection in Sys tem Controls Advance Configuration BIOS Option BIOS Option Legacy for motherboards that are using regular BIOS boot UEFI for motherboards especially Intel s motherboards using UEFI boot EFI for Intel based MacPro boot Disable disable controller BIOS at POST set to OxFF gt If BIOS is to be disabled gt All data are OxFF WEB BROWSER BASED CONFIGURATION 6 8 3 HDD Power Management The 6Gb s SATA RAID controller has automated the ability to manage HDD power based on usage patterns The HDD Power Management allows you to choose a Stagger Power On Control Low Power Idle Low RPM and completely Spins Down Idle HDD It is designed to
43. ault tolerance configuration The unused capacity on the expand RAID set can then be used to create an additional volume set with a different fault tolerance setting if required by the user APPENDIX After Array Expansion Adding One Disk ee Free Space 80GB J E E Volume 1 40GB D s 3 a Volume 0 40GB C Disk 0 Disk 1 Disk 2 Disk 3 40 GB 40 GB 40 GB 40 GB Array A 160GB e Online RAID Level and Stripe Size Migration For those who wish to later upgrade to any RAID capabilities a system with online RAID level stripe size migration allows a simplified upgrade to any supported RAID level without having to reinstall the operating system The RAID controllers can migrate both the RAID level and stripe size of an existing volume set while the server is online and the volume set is in use Online RAID level stripe size migration can prove helpful during performance tuning activities as well as when additional physical disks are added to the RAID control ler For example in a system using two drives in RAID level 1 it is possible to add a single drive and add capacity and retain fault tolerance Normally expanding 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 result would be parity fault tolerance and double the available capacity without taking the system
44. cal Disk RAID X Volume X 0 10 1E 3 5 6 RAID X Volume X 0 10 1E 3 5 6 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 disk JBOD does not provide data redundancy Single Disk Pass Through Disk Pass through disk refers to a drive that is not controlled by the RAID firmware and thus can not be a part of a RAID volume The drive is available to the operating system as an individual disk 197 APPENDIX Summary of RAID Levels 6Gb s SATA RAID controller supports RAID Level 0 1 10 1E 3 5 6 30 50 and 60 The following table provides a summary of RAID levels RAID Level Comparision RAID Description Disks Data Level Requirement Availability Minimum Also known as striping No data Data distributed across multiple Protection drives in the array There is no data protection Also known as mirroring Up to one All data replicated on 2 separated disk failure disks N is almost always 2 Due to this is a 100 duplication so is a high costly solution 10 1E f Also known as mirroring and striping Up to one Data is written to two disks disk failure simultaneously and allows an odd in each sub number or disk Read request can be volume satisfied by data read from wither one disk or both disks Also known Bit Interleaved Parity
45. ced Configuration D Hdd Power Management D EtherNet Configuration D Alert By Mail Configuration D SNMP Configuration D NTP Configuration D Miew Events Mute Beeper Generate Test Event D Clear Event Buffer D Modify Password 1 Upgrade Firmware Information ERE 3 JA Areca Technology Corporation Time Device Event Type 2013 01 21 09 10 16 192 168 000 173 HTTP Log In 2013 01 21 08 59 22 H W monitor 2013 01 21 16 04 49 2013 01 21 16 02 52 2013 01 21 15 37 33 Raid Set 001 192 168 000 173 192 168 000 173 2013 01 21 07 21 14 2013 01 21 06 51 55 2013 01 21 14 11 05 192 168 000 165 B W Monitor 192 168 000 173 2013 01 21 14 03 48 192 168 000 133 2013 01 21 14 03 34 2013 01 21 13 59 46 2013 01 21 02 58 45 192 168 000 165 192 168 000 133 ARC 1224 VOL 003 2013 01 21 02 54 41 arc 1224 voL 003 2013 01 21 02 54 41 2013 01 21 02 51 59 2013 01 21 02 51 59 ARC 1224 VOL 002 E anc 1224 voL 001 Raid Powered On Create RaidSet HTTP Log In HTTP Log In HTTP Log In Raid Powered On HTTP Log In HTTP Log In HTTP Log In HTTP Log In Complete Init Start Initialize Complete Init Start Initialize Complete Init arc 1224 VOL 001 2013 01 21 02 48 02 2013 01 21 02 46 10 2013 01 21 02 45 57 ARC 1224 voL 000 ARC 1224 VOL 004 ARC 1224 VOL 003 ania ni 94 99 45 43 Tare 1994 vei 007
46. completed P Create Volume New volume created Po Delete Volume Volume deleted P Modify Volume Volume modified Volume Degraded Volume degraded Replace HDD Volume Failed Volume failure Ps Failed Volume Urgent Failed volume revived Revived Abort Warning Initialization been abort Initialization abort Reburaine Wwernng Rebutangabonea S dSCSSC abort Migration Warning Moration aborted OOOO OOOO abort checking mammo Party check abonea __ stop intatzation warno Intieizaton stopped O OOOO stop Rebutaing Warning Rebuting stopped SCS Stop Migration mamno gration stooped __ stop checking warning rmes U O 179 APPENDIX C RAID Set Event Create RaidSet New RAID set created Delete RaidSet Raidset deleted Expand RaidSet Raidset expanded Rebuild RaidSet Raidset rebuilding RaidSet Urgent Raidset degraded Replace HDD Degraded D Hardware Monitor Event DRAM 1 Bit ECC DRAM 1 Bit ECC error Check DRAM DRAM Fatal Urgent DRAM fatal error Check the DRAM module and Error encountered replace with new one if required Controller Over Abnormally high Check air flow and cooling fan of Temperature temperature detected the enclosure and contact us on controller over 60 degree Hdd Over Abnormally high Check air flow and cooling fan of Temperature temperature detected theenclosure on Hdd over 55 degree Fan Failed Urgent Cooling Fan failure f Check cooling fan of
47. creen will show all RAID set number Tick on the RAID set numbers same disk No per RAID set that you want to create and then click on the Submit button The new create volume set attribute allows user to select the Vol ume Name Raid Level Capacity Greater Two TB Volume Support Initialization Mode Strip Size Cache Mode Tagged Command Queuing and SCSI Channel SCSI ID SCSI Lun Please refer to above section for details description of each item Note RAID level 30 50 and 60 can support up to eight RAID set four pairs but it can not support expansion and migration RAF Yee 4 Areca Technology Corporation lopen all close all TT F Confirm The Operation Eem eset 6 6 3 Delete Volume Set To delete a volume from RAID set move the cursor bar to the main menu and click on the Delete Volume Set link The Select The Raid Set To Delete screen will show all RAID set numbers Click a RAID set number and the Confirm The Operation check box and then click the Submit button to show all volume set _ ESE ae ae a ae ae ae aa 131 WEB BROWSER BASED CONFIGURATION items in the selected RAID set Click a volume set number and the Confirm The Operation check box and then click the Sub mit button to delete the volume set ea aA y pE ef Areca Technolo lopen all close alll Corporation Select Volume Set Name
48. d Warning HDD reading error Keep Watching HDD status may be it caused by noise or HDD unstable Device Removed Reading Error Writing Error Warning HDD writing error Keep Watching HDD status may be it caused by noise or HDD unstable Warning HDD ECC error Keep Watching HDD status may be it caused by noise or HDD unstable Warning HDD change ATA Check HDD connection mode Warning HDD time out Keep Watching HDD status may be it caused by noise or HDD unstable Urgent HDD failure Replace HDD PCI Parity Error Serious PCI parity error If only happen once it may be caused by noise If always happen please check power supply or contact to us Device Urgent HDD SMART failure Replace HDD Failed SMART ATA Ecc Error Change ATA Mode Time Out Error Device Failed 178 APPENDIX PassThrough Disk Inform Pass Through Disk Created created PassThrough Disk Inform Pass Through Disk Modified modified PassThrough Disk Inform Pass Through Disk Deleted deleted B Volume Event event level Meaning Action Start Initialize Volume initialization has started P Start Rebuilding Volume rebuilding has started P Start Migrating Volume migration has started P Start Checking Volume parity checking has started Sa Complete Init Volume initialization completed P Complete Rebuild Volume rebuilding completed FP Complete Migrate Volume migration completed P Complete Check Volume parity checking
49. e Number of Retries This setting determines the number of access that will be at tempted before the current command from the RAID controller to the disk drive is aborted You can modify the retry value by entering a new value in the edit box 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 e Buffer Threshold This new feature there are 3 options 25 50 75 The percentage represents how much data should be kept in resi dent cache memory how full cache should get before controller starts to flush data onto the hard drives If the buffer is set for 25 then all 25 will be cached and is used for writing data The remaining cache memory will be used for reading and other system overhead Write buffer threshold for 5 is added for video recording This option will push data to disk early This feature gives controller extra buffer time in case of slow re sponse from the hard drives within a given time Consequently this can prevent a pause in data flow and there will be continued data access and stream This feature is very useful for the video streaming applications where there is high demand for constant non stop data flow with no interruption due to lower perfor mance of specific hardware e Amount of Read Ahead Read Ahead data is buffered in the RAID controller cache however thereby cutting down on the amount of I O traffic to
50. e selected from 0 4 to 6 seconds per step which powers up one drive 149 WEB BROWSER BASED CONFIGURATION 150 e Time to Hdd Low Power Idle This option delivers lower power consumption by automatically unloading recording heads during the setting idle time The val ues can be selected Disabled or within the range 2 to 7 min utes e Time To Hdd Low RPM Mode This function can automatically spin disks at lower RPM if there have not been used during the setting idle time The values can be selected Disabled or within the range 10 to 60 minutes e Time To Spin Down Idle HDD This function can automatically spin down the drive if it hasn t been accessed for a certain amount of time This value is used by the drive to determine how long to wait with no disk activity before turning off the spindle motor to save power The values can be selected Disabled or within the range 1 to 60 minutes e SATA Power Up In Standby SATA Power Up In Standby power management 2 mode PM2 is a SATA disk drive configuration which prevents the drive from automatic spinup when power is applied Enabled option al lows the drive to be powered up into the Standby power man agement state to minimize inrush current at power up and to al low the controller to sequence the spinup of devices It is mainly for server workstation environments operating in multiple drive configurations 6 8 4 Ethernet Configuration Use this featu
51. e stand by drive will be marked as Of flined after the cloning process The source drive will remain a member of the logical drive 6 7 5 Abort Cloning Use this function to stop the ongoing clone disk action 138 WEB BROWSER BASED CONFIGURATION 6 7 6 Set Disk To Be Failed It sets a normal working disk as failed so that users can test some of the features and functions 7 f4 A tet Areca Technology Corporation lopen all close all Slot 1 500 168 HDs72s0s0KLa360 Slote2 2000 46B WDC WD2003FYYS 02W0B0 500 1GB WDC WD5000YS 01MPB0 sete 2000 468 woc wp2oo3FYYs o2woB0 slot 5 200 468 woc wo2003FYYs o2woBo 200 468 woc wo2002Fves o2w30 Jalafolafalo gi Ef 2000 468 woc wp2003FYYs 02w0B0 Slot 8 1000 268 woc wo1001FALS 003780 alaja A q 4 0 Information 6 7 7 Activate Failed Disk It forces the current failed disk in the system to be back online Activate Failed Disk function has no effect on the removed disks because a removed disk does not give the controller a chance to mark it as failure Followings are considered as Removed Disk 1 Manually removed by user 2 Losing PHY connection due to bad connector cable back plane 3 Losing PHY connection due to disk fail Basically in the eyes of the controller the disk suddenly disap pears due to whatever reason i Areca Technology Corporation
52. ect the Cache Mode Tagged Command Queuing and SCSI channel SCSI_ID SCSI_LUN for this pass through disk ba ar TE A 12 Areca Technology Corporation lopen all close all E es a Select the IDE drive For Pass Through Enclosure 1 ARECA SATA RAID V1 0 G slot 7 2000 46B woc wo2003FYYs o2woB0 6 slot 8 1000 2GB woc wp1001FALS 0037B0 Enter Pass Through Disk Attribute isk Volume Cache Mode Tagged Command Queuing SCSI Channel SCSI_ID SCSI_Lun ov 0 m 54 OOLOLLOLLU T Confirm the operation Submit Reset site J Reve eo eo 6 7 2 Modify Pass Through Disk Use this option to modify the pass through disk attribute The user can modify the Cache Mode Tagged Command Queuing and SCSI Channel ID LUN on an existing pass through disk To modify the pass through drive attribute from the pass through drive pool move the mouse cursor bar and click on the Modify Pass Through link The Select The Pass Through Disk For 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 Attri bute screen appears modify the drive attribute values as you want After you complete the selection mark the check box for Confirm The Operation and clic
53. ent Protocol SNMP agent for the Areca RAID controller An SNMP based management application also known as an SNMP manager can monitor the disk array An exam ple of a SNMP management application is Hewlett Packard s Open View Net SNMP or SNMPc The SNMP extension agent can be used to augment the Areca RAID controller through PCIe host bus inter face if you are already running an SNMP management application at your site C 2 SNMP Definition SNMP an IP based protocol has a set of commands for getting the status of target devices The SNMP management platform is called the SNMP manager and the managed devices have the SNMP agent loaded Management data is organized 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 specific MIB file The MIB file defines the device as a set of managed objects val ues that can be read or changed by the SNMP manager The MIB file enables the SNMP manager to interpret trap messages from devices To make sense out of a trap that s sent by a device the SNMP manager needs to have access to the MIB that describes the format and content of the possible traps that the device can send The objective is for all vendors to create products in compli ance with these MIBs so that inter vendor interoperability can be achieved To be available for the SNMP manager a c
54. er email that will be shown on the outgoing mail but don t type IP to replace domain name Ex RaidController_1 areca com tw Account Enter the valid account if your SMTP mail server requires authentication Password Enter the valid password if your SMTP mail server requires authentication 112 ARCHTTP PROXY SERVER INSTALLATION 3 Event Notification Configurations MailTo Name Enter the alert receiver name that will be shown on the outgoing mail Mail Address Enter the alert receiver mail address Ex admin areca com tw According to your requirement set the corresponding event level Disable Event Notification No event notification will 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 Notification Send all events Notification For No Event Notify user if no event occurs within 24 hours NMP Tr nfigurati To enable the RAID controller to send the SNMP traps to client SNMP manager using the IP address assigned to the operating system such as Net SNMP manager you can simply use the SNMP function on the ArcHttp proxy server software To enable the RAID controller SNMP traps sending function click on the SNMP Configuration link The Archttp proxy only provide one direction to send the trap to the SNMP manager without needing to install the SNMP extension a
55. er requests to query the SNMP information from RAID controller please refer the C 3 2 section Using Onboard NIC and C 3 3 section Using In band PCIe SNMP extension agent C 3 2 Using Onboard NIC Installation By using the built in LAN port on the RAID controller RAID con troller using built in LAN interface You can use the browser based manager or CLI SNMP configuration to setup the firmware based SNMP configuration The following screen is the firmware embed ded SNMP configuration setup screen using browser based man ager To launch the above browser based RAID controller SNMP func tion click on the System Controls link The System Controls menu will show available items Select the SNMP Configuration item The firmware embedded SNMP agent manager monitors all system events and the SNMP function becomes functional with no agent software required APPENDIX p Areca Technology Corporation SNMP Trap Configurations z I lopen all close alll send al SNMP Through PCI Inband Ethernet SNMP Is Disabled T ionta The operation Submit Reset When you open the SNMP Configuration link you will see the following settings 1 SNMP Trap Configurations Enter the SNMP Trap IP Address 2 SNMP System Configurations Community name acts as a password to screen accesses to the
56. existing volume sets residing on the newly expanded RAID set is redistributed evenly across all the disks A contigu ous block of unused capacity is made available on the RAID set The unused capacity can be used to create additional volume sets A disk to be added to a RAID set must be in normal mode not failed free not spare in a RAID set or passed through to host and must have at least the same capacity as the smallest disk capacity already in the RAID set Capacity expansion is only permitted to proceed if all volumes on the RAID set are in the normal status During the expansion process 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 of disk failure the volume set changes from migrating state to migrating degraded state When the expansion is completed the volume set would then transition to degraded mode If a global hot spare is present then it further changes to the rebuilding state The expansion process is illustrated as following figure RAID controller redistributes the original volume set over the Before Array Expansion Free Space 40GB ss oa Volume 1 40GB D Volume 0 40GB C Disk 0 Disk 1 Disk 2 40 GB 40 GB 40 GB Array A 120GB original and newly added disks using the same f
57. f NTP servers to be used in the configuration file Typical NTP configurations utilize multiple redundant servers and diverse network paths in order to achieve high accuracy and re liability Our NTP configuration supports two existing public NTP synchronization subnets e Time Zone Time Zone conveniently runs in the system tray and allows you to easily view the date and time in various locations around the world You can also quickly and easily add your own personal locations to customize time zone the way you want e Automatic Daylight Saving Automatic Daylight Saving will normally attempt to automati cally adjust the system clock for daylight saving changes based on the computer time zone This tweak allows you to disable the automatic adjustment Note NTP feature works through onboard Ethernet port So you must make sure that you have connected onboard Ethernet port 154 WEB BROWSER BASED CONFIGURATION 6 8 8 View Events Mute Beeper To view the 6Gb s SATA RAID controller s event information click on the View Event Mute Beeper link The 6Gb s SATA RAID con troller System events Information screen appears The mute beeper function automatically enable by clicking on View Events Mute Beeper lopen all close all Raid System Console Quick Function RAID Set Functions 55 2 Volume Set Functions 10 Physical Drives B S System Controls D System Configuration D Advan
58. generate parity information In Background Initialization the initializa tion proceeds as a background task and the volume set is fully accessible for system reads and writes The operating system can instantly access the newly created arrays without requir ing a reboot and without waiting for initialization to complete Furthermore the volume set is 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 e Online Array Roaming RAID controllers store RAID configuration information on the disk drives The controller therefore protects the configuration settings in the event of controller failure Online array roaming allows the administrators the ability to move a complete RAID set to another system without losing RAID configuration infor mation or data on that RAID set Therefore if a server fails the RAID set disk drives can be moved to another server with an Areca RAID controllers and the disks can be inserted in any order e Online Capacity Expansion Online Capacity Expansion makes it possible to add one or more physical drives to a volume set without interrupting server op eration eliminating the need to backup and restore after recon figuration of the RAID set When disks are added to a RAID set unused capacity is added to the end of the RAID set Then data a 183 APPENDIX 184 on the
59. gent on the host If SNMP manager requests to query the SNMP information from RAID controller please refer the Appendix C SNMP Operation amp Installation The SNMP traps Configuration menu will be shown as following EN T Aa SPE ArcHTTP Conti lopen all close all Q ArcitT7P v2 00 SNMP Trap Configurations Ey Syste D G SNMP Trap IP Address 1 SNMP Trap IP Address 2 L SNMP Trap Configuration SNMP Trap IP Address 3 Q Rescan Device gt E SAS RAID Controll ARC 1224 Web BETES ATA RAID Co SNMP System Configurations L Confirm The Operation Submit Reset 113 ARCHTTP PROXY SERVER INSTALLATION When you open the SNMP traps configuration page you will see the following settings 1 SNMP Trap Configurations Enter the SNMP trap IP address 2 SNMP System Configurations Community name acts as a password to screen accesses to the SNMP agent of a particular network device Type the community names of the SNMP agent in this field Before access is granted to a request station this station must incorporate a valid community name into its request otherwise the SNMP agent will deny access to the system Most network devices 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 6Gb s SATA RAID controller traps it is necessary
60. gical 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 RAID level used RAID level refers to the level of performance and data protection of a volume set The capacity of a volume set can consume all or a portion of the available disk capacity in a RAID set Multiple volume sets can exist in a RAID set For the RAID controller a volume set must be created either on an existing RAID set or on a group of available individual disks disks that are about to become part of a RAID set If there are pre existing RAID sets with available capacity and enough disks for the desired RAID level then the volume set can be created in the existing RAID set of the user s choice RAID set 1 3 Individual Disks Eo a Free Space a Volume 1 RAID 5 E E L R Volume 0 1E Disk 0 Disk 1 Disk 2 182 APPENDIX In the illustration volume 1 can be assigned a RAID level 5 of operation while volume 0 might be assigned a RAID level 1E of operation Alternatively the free space can be used to create vol ume 2 which could then be set to use RAID level 5 Ease of Use Features e Foreground Availability Background Initialization RAID 0 and RAID 1 volume sets can be used immediately after creation because they do not create parity data However RAID 3 5 6 30 50 or 60 volume sets must be initialized to
61. guration Select the Raid Set Function to manually configure the RAID set for the first time or delete and reconfigure existing RAID sets A RAID set is a group of disks containing one or more volume sets 6 5 1 Create Raid Set To create a RAID set click on the Create Raid 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 Enter 1 to 15 alphanumeric characters to define a unique identifier for a RAID set The default RAID set name will always appear as Raid Set Click the Confirm The Operation check box and click on the Submit button on the screen the RAID set will start to initialize If you have available disk member you can repeat above proce dures to define another RAID sets Fi y tet Areca Technology Corporation lopen all close all s Select The Drives For RAID Set C Confirm The Operation Submit Reset 121 WEB BROWSER BASED CONFIGURATION 128 volumes is the default mode for SAS RAID controller the 16 volumes mode is used for support roaming this raidset to 3Gb s SATA RAID controllers The 3Gb s SATA RAID controller is de signed to support up to 16 volumes only You have to use Max 16 volumes on the raidset mode if you plan to roam this raidset between 6Gb s SATA RAID controller and 3Gb s
62. he McRAID storage manager is firmware based utility which is acces sible via the web browser installed on your operating system The web browser based McRAID storage manager is a HTML based application which utilizes the browser IE Safari Netscape and Mozilla etc in stalled on your monitor station It can be accessed through the in band PCIe 2 0 bus or out of band LAN port The in band method 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 standard internet browser via a LAN or WAN with no software or patches required The firmware contains SMTP manager monitors all system events and user can select either single or multiple user notifications to be sent via LAN with Plain Eng lish e mails The firmware embedded SNMP agent allows remote to monitor events via LAN with no SNMP agent required e Create RAID set e Expand RAID set e Define volume set Add physical drive Modify volume set Modify RAID level stripe size Define pass through disk drives Modify system function Update firmware Designate drives as hot spares 6 1 Start up McRAID Storage Manager With the McRAID storage manager you can locally manage a sys tem containing a 6Gb s SATA RAID controller that has Windows Ee ee 116 WEB BROWSER BASED CONFIGURATION Linux or more and a supported browser A locally managed s
63. he battery status make sure the D9 is bright light and battery beeps every few seconds 4 Power on system and press Tab F6 to login controller 5 Check the controller event log make sure the event shows controller boot up with power recovered Do not remove BBM while system is running B 7 Changing the Battery Backup Module At some point the LI ION battery will no longer accept a charge properly LI ION battery life expectancy is anywhere from ap proximately 1 to 5 years 1 Shutdown the operating system properly Make sure that cache memory has been flushed 2 Disconnect the BBM cable from ARC 12x4 RAID controller battery connector 165 APPENDIX 166 3 Disconnect the battery pack cable from JP2 on the BBM 4 Install a new battery pack and connect the new battery pack to JP2 5 Connect the BBM to ARC 12x4 RAID controller s battery con nector B 8 BBM Specifications Mechanical e Module Dimension W x H x D 37 3 x 13 x 81 6 mm Environmental e Operating Temperature Temperature 0 C to 40 C Humidity 45 85 non condensing e Storage Temperature Temperature 40 C to 60 C Humidity 45 85 non condensing e Electrical Input Voltage 3 6VDC e On Board Battery Capacity 1880mAH 1 1880mMAH for ARC 12x4 RAID controller APPENDIX Appendix C SNMP Operation amp Installation C 1 Overview The McRAID storage manager includes a firmware embedded Simple Network Managem
64. ing on the ap propriate check box Click the Confirm The Operation check box and click the Submit button in the screen to create the hot spares The Create Hot Spare gives you the ability to define a global or dedicated hot spare Unlike Global Hot Spare which can be used with any RAID sets Dedicated Hot Spare can only be used with a specific RAID set or Enclosure Under Global For SSD or HDD option SSD hot spare is used to rebuild failed SSD and HDD hot spare for rebuild failed HDD When a disk drive fails in the RAID set or enclosure with a dedicated hot spare is pre set data on the disk drive is rebuild automatically on the dedicated hot spare disk F x Tir PA Areca Technology Corporation Jopen all close all G Raid System Console Select The Drives For Hot Spare EO Quick Function J RAID Set Functions s Enclosure 1 ARECA SATA RAID V1 0 PF slot 6 2000 4GB WDC WD2002FYPS 02W3B0 Q Create RAID Set D Delete RAID Set PF stote7 2000 4GB WDC WD2003FYYS 02W0BO D Expand RAID Set r stot s 1000 2GB WDC WD1001FALS 003780 D oi RAID Set D fanme RAID Set Select The Hot Spare Type D Activate Incomplete RAID Create Hot Spare Delete Hot Spare T Confirm The Operation Submit Reset Global For All D Rescue Raid Set I Volume Set Functions Physical Drives 2 9 System Controls Information 125 WEB BROWSER BASED CONFIGURATION 126
65. is Bea 137 WEB BROWSER BASED CONFIGURATION Clone Disk Procedure a Select one of the members as the Clone Source 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 disk member you can repeat above pro cedures to define another clone pair d Select Clone Type The pair number for both the Clone Source and the Clone Tar get will be indicated in the screen Click the Confirm The Opera tion check box and click on the Submit button on the screen the controller will automatically start the cloning process using the existing stand by Free or Hot Spare drive to clone the source drive the Raid Set member drive The cloning process percentage will be indicated in the Volume State area of the Volume Set Information screen Completion of the Clone func tion process will be indicated by a notification message on the event log 6 7 4 1 Clone And Replace You can enlarge your logical drives by copying and replacing all member drives with drives of higher capacity The existing data in the logical drives is copied onto the new drives and then the original members 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 th
66. is then written to the last drive in the array If a single drive fails data is still available by computing the exclusive or of the contents cor responding strips of the surviving member disk RAID 3 is best for applications that require very fast data transfer rates or long data blocks EE 194 APPENDIX sa i en BO en B3 CO C1 C2 C3 ooo o Logical Disk Array Management RAID3 Bit Interleaved Parity StripesO 1 Stripe 0 tripe 1 Stripe 2 tripe 3 2 3 Parity gt gt gt Physical p j p l i l r j Disk D D D D p i Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 RAID 5 RAID 5 is sometimes called striping with parity at byte level In RAID 5 the parity information is written to all of the drives in the controllers rather than being concentrated on a dedicated 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 same time greatly increasing the performance of the RAID system This relieves the write bottleneck that characterizes RAID 4 and is the primary reason that RAID 5 is more often implemented in RAID arrays seeeee Logical Disk Array Management RAID 5 Block Interleaved Ditributed Parity A Blocks B Blocks C Blocks D Blocks Ej Blocks cont a Physical Disk i i i i Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 APPENDIX 196 RAI
67. ivate Incomplete RAID reate Raid Set 001 33 Normal 90 068 F Confirm the Operation VolumeSet In This RaidSet Will Also Be Offlined Submit Reset S Physical Drives S System Controls S O Information 6 5 5 Rename Raid Set The default RAID set name will always appear as Raid Set when it 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 Click the RAID set check box from the list that you wish to rename Click the Submit button The following screen appears Use this option to rename the RAID set name Jopen all close all k 2 Areca Technology Corporation s Enter aidSet Name Raid Set Name Raid Set 000 Member Disks 2 D Create RAID Set in Member Disk Size D Delete RAID Set pet RS 30 068 D Expand RAID Set D Offiine RAID Set I Confirm The Operation D Rename RAID Set Submit Reset D Activate Incomplete RAID Create Hot Spare Q Delete Hot Spare D Rescue Raid Set Volume Set Functions S Information 6 5 6 Activate Incomplete Raid Set If one of the disk drives is removed in power off state the RAID set state will change to Incomplete State If the user wants to continue to operate the controller without power off the 6Gb s SATA RAID controller the user c
68. k on the Submit button to com plete the selection action aN x a 43 k Areca Technology Corporation lopen alliclose all le sets 2000 408 WoC wo2002Fvps 02waB0 s9 DDDODOD cd 25 WEB BROWSER BASED CONFIGURATION 6 7 3 Delete Pass Through Disk To delete a pass through drive from the pass through drive pool move the mouse cursor bar to the main menus and click the De lete Pass Through link After you complete the selection mark the check box for Confirm The Operation and click the Submit button to complete the delete action DE 2 Areca Technology Corporation lopen all close all Select The Pass Through Disk To Delete Enclosure ARECA SATA RAID V1 0 confirm The Operation Somn Reset 6 7 4 Clone Disk Instead of deleting a RAID set and recreating it with larger disk drives the Clone Disk function allows the users to replace larger disk drives to the RAID set that have already been created Click the Clone Disk option on the Physical Drives link to enable the clone function If there is an available disk then the Select The Drives For Cloning screen appears There are two Clone Disk function options Clone And Replace and Clone Only eth bel open all close all Sotes Clone Type in kaiia v Clone Oaly C confirm the oj S
69. lash utility The nflash utility provides an on line table of contents brief descriptions of the help sub commands The nflash utility put on the lt CD ROM gt Firmware directory You can run the lt nflash gt to get more detailed information about the command usage Typical output looks as below 161 APPENDIX A nflash Raid Controller Flash Utility V1 11 2007 11 8 Command Usage NFLASH FileName NFLASH FileName cn gt n 0 1 2 3 write binary to controller 0 FileName May Be ARC12x4FIRM BIN or ARC12x4 For ARC12x4 Will Expand To ARC12x4BOOT FIRM BIOS BIN A gt nflash arci2x 1 bin Raid Controller Flash Utility V1 11 2007 11 8 MODEL ARC 12x4 MEM FE620000 FE7FF000 File ARC12x 1 BIN gt gt gt Flash OK A 4 Upgrading Firmware Through CLI This Command Line Interface CLI provides you to configure and manage the 6Gb s SATA RAID controller components in Windows Linux FreeBSD and more environments The CLI is useful in en vironments where a graphical user interface GUI is not avail able Through the CLI you perform firmware upgrade that you can perform with the McRAID storage manager GUI The controller has added protocol on the firmware for user to update the controller firmware package BIOS BOOT FIRM and MBRO through the util ity To update the controller firmware follow the procedure below Parameter lt path lt PATH_OF_FIRMWARE_FILE gt gt Fn Firmware Updating Ex Update Firmw
70. led server for up to three or four days depending on the size of the memory module Under normal operating conditions the batteries last for three years before replacement is necessary e 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 controllers PCIe 2 0 bus port or Ethernet port without the need to replace any hardware chips During the controller firmware upgrade flash process it is possible for a problem to occur resulting in corruption of the controller firm ware With our Redundant Flash Image feature the controller will revert back to the last known version of firmware and con tinue operating This reduces the risk of system failure due to firmware crash 191 APPENDIX Appendix F 192 Understanding RAID RAID is an acronym for Redundant Array of Independent Disks It is an array of multiple independent hard disk drives that provides high performance and fault tolerance The RAID controller imple ments several levels of the Berkeley RAID technology An appro priate RAID level is selected when the volume sets are defined or created This decision should be based on the desired disk capacity data availability fault tolerance or redundancy and disk performance The following section discusses the RAID levels supported by the RAID controller The RAID controllers makes the RAID implementation and the disks
71. leting We strongly recommend that you run consistency checks on a regular basis at least once per week set on Scheduler Volume checks degrade performance so you can also run them when the system is idle set by Checking After System Idle E rn 134 WEB BROWSER BASED CONFIGURATION Areca Technology Corporation lopen all close alll Raid System Console 2 Quick tic 6 6 7 Stop Volume Set Check Use this option to stop the Check Volume Set function Fi A at Areca Technology Corporation Jopen all close alll Do You Want To Stop All Volume Consistency Checking F confirm the operation 6 7 Physical Drive Choose this option to select a physical disk from the main menu and then perform the operations listed below 6 7 1 Create Pass Through Disk To create pass through disk move the mouse cursor to the main menu and click on the Create Pass Through link The relative setting function screen appears A pass through disk is not con trolled by the 6Gb s SATA RAID controller firmware it can t be a part of a volume set The disk is available to the operating system SSS SSS SSS 135 WEB BROWSER BASED CONFIGURATION 136 as an individual disk It is typically used on a system where the operating system is on a disk not controlled by the RAID firm ware The user can also sel
72. lgorithm is used providing maximum performance under most circumstances e Volume Data Read Ahead The volume read data ahead parameter specifies the controller firmware algorithms which process the Read Ahead data blocks from the disk The read ahead parameter is normal by default To modify the value you must set it from the command line using the Read Ahead option The normal option satisfies the performance requirements for a typical volume The disabled value implies no read ahead The most efficient value for the controllers depends on your application Aggressive read ahead is optimal for sequential access but it degrades random access e Empty HDD Slot LED The firmware has added the Empty HDD Slot LED option to setup the fault LED light ON or OFF when there is no HDD installed When each slot has a power LED for the HDD installed identify user can set this option to OFF Choose option ON the 6Gb s SATA RAID controller will light the fault LED if no HDD installed e Max Command Length Max Command Length is used to set a best IO size for the RAID controller BE 142 WEB BROWSER BASED CONFIGURATION e Auto Activate Incomplete Raid When some of the disk drives are removed in power off state or boot up stage the RAID set state will change to Incomplete State But if a user wants to automatically continue to work while the 6Gb s SATA RAID controller is powered on the user can set the Auto Activate
73. mer to rescue volume without losing data in the disk e Stripe Size This parameter sets the size of the stripe written to each disk in a RAID O 1 10 5 6 50 or 60 logical drive You can set the stripe size to 4 KB 8 KB 16 KB 32 KB 64 KB 128 KB 256KB 512KB or 1024KB A larger stripe size produces better read performance especially if your computer does mostly sequential reads However if you are sure that your computer does ran dom reads more often select a smaller stripe size Note RAID level 3 and 30 can t modify the cache strip size e Cache Mode The 6Gb s SATA RAID controller supports Write Through and Write Back cache 129 WEB BROWSER BASED CONFIGURATION eVolume Write Protection When Volume Write Protection is enabled on the Modify Volume Set host commands fail if they are issued to a volume in that RAID controller and attempt to modify a volume s data or attributes Volume Write Protection is used primarily for customer initiated disaster recovery testing e Volume IO Mode The Cache IO and Direct IO cache policies apply to read ona specific virtual disk The volume IO mode options are as follows Cache Io Specifies that all reads are buffered in the controller cache memory Direct Io Specifies that reads are not buffered in cache memory When using direct IO mode data is transferred to the controller cache memory and the host system simultaneously during a read
74. mware The user can simply re program the old firmware through the in band PCIe bus or out of band Ethernet port McRAID Storage manager and nflash DOS utility New re leases of the firmware are available in the form of a DOS file on the shipped CD or Areca website The files available at the FTP site for each model contain the following files in each version ARC12x4NNNN BIN Software Binary Code NNNN refers to the software code type ARC12x4BI0S BIN PCIe 2 0 BIOS for system board using ARC12x4BOOT BIN RAID controller hardware initialization ARC12x4FIRM BIN RAID kernel program ARC12x4MBRO BIN Master Boot Record for supporting Dual Flash Image in the 6Gb s SATA RAID controller README TXT contains the history information of the software code change in the main directory Read this file first to make sure you are upgrading to the proper binary file Select the right file for the upgrade Normally user upgrades the ARC12x4BIOS BIN for sys tem M B compatibility and ARC12x4FIRM BIN for RAID function All these files in the firmware package are a part of the firmware You should update all files in the package no special update order needed New firmware works after a system restart not instant available so you can update all files before restart the system The controller firmware is independent of the array and update firm ware does not touch anything you stored in the array Note Please update all binary code BIOS
75. nction l t TT Areca Technology Corporation lopen all close all f Raid System Console iS ystenniconngurs Quick Function System Beeper Setting Enabled W a Fi p e f gt e Background Task Priority Low 20 0 Volu unctions amp Physical Drives JBOD RAID Configuration RAID bA System Controls eaten ann USHER SATA NCQ Support Enabled Advanced Configuration HDD Read Ahead Cache Enabled v O Hdd Power Management i D EtherNet Configuration Volume Data Read Ahead Normal v Q Alert By Mail Configuration Empty HDD Slot LED on Q SNMP Configuration O NTP configuration Max Command Length ME D View Events Mute Beeper Auto Activate Incomplete Raid Disabled D Generate Test Event i D Clear Event Buffer Disk Write Cache Mode Ato Modify Password Write Same For Initialization Enabled D Upgrade Firmware EG Information Hot Plugged Disk For Rebuilding Blank Disk Only D RAID Set Hierarchy Disk Capacity Truncation Mode Multiples OF 106 1 D System Information fa reae Nonito Smart Option For HDD Failed The Drive Smart Polling Interval On Demand Confirm The Operation Submit Reset e System Beeper Setting The System Beeper Setting function is used to Disabled or Enabled the 6Gb s
76. nication for the PCIe RAID controller web browser based McRAID storage man ager program User can access the built in configuration without needing system starting up running the ArcHttp proxy sever The web browser based McRAID storage manager program is an HTML based application which utilizes the browser installed on your remote system To ensure proper communications between the PCIe RAID con troller and web browser based McRAID storage manager Please connect the RAID controller LAN port to any LAN switch port The controller has embedded the TCP IP amp Web Browser based RAID manager in the firmware User can remote manage the RAID controller without adding any user specific software platform independent via standard web browsers directly connected to the 10 100Mbit RJ45 LAN port i SSS SSS 118 WEB BROWSER BASED CONFIGURATION To configure RAID controller on a remote machine you need to know its IP address The IP address will default show in McBIOS RAID manager of Ethernet Configuration or System Informa tion option Launch your firmware embedded TCP IP amp web browser based McRAID storage manager by entering http IP Address in the web browser ote You can find controller Ethernet port IP address in McBIOS RAID manager System Information option 6 2 McRAID Storage Manager The McRAID storage manager initial start up screen displays the current configuration of your 6Gb s SA
77. ommand adds the MIB file for each of devices to the MIB database This enables the devices to be managed via the SNMP manager The following figure illustrates the various components of an SNMP based management architecture 167 APPENDIX Event Configuration Performance Manager Application Managed Resource Definition Service Layer and Protocols SNMP Agent Physical Managed Object Network resources C 3 SNMP Installation Perform the following steps to install the Areca RAID control ler SNMP function into the SNMP manager The installation of the SNMP manager is accomplished in several phases Step 1 Installing the SNMP manager software on the client Installing the SNMP manager software on the client This instal lation process is well covered in the User s Guide of your SNMP manager application Step 2 Compiling the MIB description file with the manage ment Placing a copy of the RAID controller s MIBs file in a directory which is accessible to the management application 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 the management applica tion s database of events and status indicator codes This process is known as compiling the MIB into the application This process is highly vendor specific and should be well covered in the User s Guide of your SNMP m
78. or HDD This option is used to increase the reliability of SSDs HDDs by automatically copying data from a drive with potential to fail to a designated hot spare or newly inserted drive The options are Failed The Drive Failed The Drive If Hot Sapre Exist and Alert Only The default is Alert Only Failed The Drive controllers kill off the SMART fail drive im mediately Failed The Drive If Hot Sapre Exist controllers kill off the SMART fail disk if hot sapre dive is existed Alert it will trigger alert when there happens a SMART fail drive WEB BROWSER BASED CONFIGURATION e Smart Polling Interval Besides the scheduled volume check user can define the Smart Pulling Interval to pull the SMART status of each disk The de fault is on demand User can schedule every certain period of time interval to pull the SMART status of each disk When SMART pulling is executed disk activity 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 on their applica tions and experimental results 6 8 2 Advanced Configuration To set the RAID system function move the cursor to the main menu and click the Advanced Configuration link The Advanced Configuration menu will show all items and then select the de sired function a K
79. ort sub menu Greater Two TB Volume Support option No 64bit LBA and 4K Block No It keeps the volume size with max 2TB limitation 64bit LBA This option uses 16 bytes CDB instead of 10 bytes The maximum volume capacity is up to 512TB This option works on different OS which supports 16 bytes CDB Such as Windows 2003 with SP1 or later Linux kernel 2 6 x or later WEB BROWSER BASED CONFIGURATION 4K Block It changes the sector size from default 512 bytes to 4k bytes The maximum volume capacity is up to 16TB This option works under Windows platform only And it can not be converted to Dynamic Disk because 4k sector size is not a standard format For more details please download Over2TB manual from http www areca com tw support main htm e Initialization Mode This option is used to define Background Initialization Fore ground Initialization or No Init To Rescue Volume When Background Initialization the initialization proceeds as a background task the volume set is fully accessible for system reads and writes The operating system can instantly access to the newly created arrays without requiring a reboot and waiting the initialization complete When Foreground Initialization the initialization proceeds must be completed before the volume set ready for system accesses There is no initialization happened when you select No Init option No Init is for custo
80. pen Level 1 is the highest level and covers events the need immediate attention and action from the administrator Ji Areca SNMP Configuration Tool 1 0 areca SNMP Community Configuration Conmunty TA SNMP Trap Notification Configurations SSS Disable SNMP Trap No SNMP Trap Will Be Sent C Serious Error Notification Send Only Serious Event Error Notification Send Serious And Error Event Warning Notification Send Serious Error And Warning Event Information Notification Send All Event C 3 4 2 Linux You must have administrative level permission to install Areca RAID software This procedure assumes that the Areca RAID hardware and Linux are installed and operational in your sys tem The old version agent has to modify the open source project integrate the changes from Areca manually then take the modified binaries and manually deploy them Users need to change source code from the linux distribution and then main tain it by themselves 176 APPENDIX The new version agent provides the way to integrate with those codes into snmpd snmptrapd and create a sub agent for user easy to install it The new version SNMP extension agent instal lation for Linux procedure please refer to lt CD ROM gt pack ages Linux SNMP readme txt or download from ftp ftp areca com tw RaidCards AP_Drivers Linux SNMP V4 1 C 3 4 3 FreeBSD You must have administrative level permission to inst
81. r The out of band method allows local or remote to access the McRAID storage manager from any standard internet aaa SS SSS SS SS UUL 160 APPENDIX browser via a LAN or WAN with no software or patches required Controller with onboard LAN port you can directly plug an Ethernet cable to the controller LAN port then enter the McBIOS RAID manager to configure the network setting After network setting configured and saved you can find the current IP address in the McBIOS RAID manager System Information page From a remote pc you can directly open a web browser and enter the IP address Then enter user name and password to login and start your management You can find the firmware update feature from the Raid System Console on the System Controls option A 3 Upgrading Firmware Through nflash DOS Utility Areca now offers an alternative means communication for the 6Gb s SATA RAID controller Upgrade the all files BIOS BOOT FIRM and MBRO without necessary system starting up to running the ArcHttp proxy server The nflash utility program is a DOS application which runs in the DOS operating system Be sure of ensuring properly to communicate between 6Gb s SATA RAID controller and nflash DOS utility Please make a bootable DOS floppy diskette or USB devices from other Windows operating system and boot up the system from those bootable devices e Starting the nflash Utility You do not need to short any jumper cap on running nf
82. re to set the controller Ethernet port configuration A customer doesn t need to create a reserved space on the arrays before the Ethernet port and HTTP service are working The firm ware embedded web browser based RAID manager can access it from any standard internet browser or from any host computer either directly connected or via a LAN or WAN with no software or patches required WEB BROWSER BASED CONFIGURATION To configure the RAID controller Ethernet port 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 Ethernet Configuration item and then select the desired function T A y 3 uF Areca Technology Corporation lopen all close all Enabled s Ms me A fo Gateway IP Address Used If DHCP Disabled fe he k A i Subnet mask Used If DHCP Disabled pss ps fj HTTP Port Number 7168 8191 Is Reserved fo Telnet Port Number 7168 8191 Is Reserve d Beo SMTP Port Number 7168 8191 Is Reserved p T Confirm The Operation Submit Reset If you configure the HTTP port number to O the HTTP console will be closed e DHCP Function DHCP Dynamic Host Configuration Protocol is a protocol that lets network administrators manage centrally and automate the assignment of IP Internet Protocol configurations on a com puter
83. reduce power consumption and heat gen eration on idle drives T F x t oa Areca Technology Corporation lopen all close all SATA Power Up In Standby I Confirm The Operation Submit Reset s UDCUULULULU 52 Sczog lt zo mary g e Stagger Power On Control In a PC system with only one or two drives the power can sup ply enough power to spin up both drives simultaneously But in systems with more than two drives the startup current from spinning up the drives all at once can overload the power supply causing damage to the power supply disk drives and other sys tem components This damage can be avoided by allowing the host to stagger the spin up of the drives The SATA drives have supported the staggered spin up capabilities to boost reliability The staggered drive spin up is a very useful feature for manag ing multiple disk drives in a storage subsystem It gives the host the ability to spin up the disk drives sequentially or 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 power supply designed to meet short term startup power de mand as well as steady state conditions The 6Gb s SATA RAID controller has included the option for customer to select the disk drives sequentially staggered power up value The values can b
84. request If a subsequent read request requires data from the same data block it can be read directly from the controller cache memory e Tagged Command Queuing The Enabled option is useful for enhancing overall system performance under multi tasking operating systems The Command Tag Drive Channel function controls the SATA command tag queuing support for each drive channel This function should normally remain Enabled Disabled this function only when using SATA drives that do not support command tag queuing e SCSI Channel SCSI ID SCSI Lun SCSI Channel The 6Gb s SATA RAID controller function is simu lated as an external SCSI RAID controller The host bus is repre sented as a SCSI channel Choose the SCSI Channel SCSI ID Each SCSI device attached to the SCSI card as well as the card itself must be assigned an unique SCSI ID number A SCSI channel can connect up to 15 devices The 6Gb s SATA RAID controller is a large SCSI device Assign an ID from a list of SCSI IDs SSS SSS _ ___________SSsSsSSsSSS5SS7 130 WEB BROWSER BASED CONFIGURATION SCSI LUN Each SCSI ID can support up to 8 LUNs Most 6Gb s SATA controllers treat each LUN like a SATA disk 6 6 2 Create Raid30 50 60 Volume Set 30 50 60 To create 30 50 60 volume set from RAID set group move the cursor bar to the main menu and click on the Create Raid30 50 60 link The Select The Raid Set To Create Volume On It s
85. rocess that verifies the integrity of redundant data To verify RAID 3 5 6 30 50 or 60 redundan 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 detect and correct parity errors or bad disk blocks in the drive A consis tency check forces every block on a volume to be read and any bad blocks are marked those blocks are not used again This is critical and important because a bad disk block can prevent a disk rebuild from completing We strongly recommend that you run consistency checks on a regular basis at least once per week Note that consistency checks degrade performance so you should run them when the system load can tolerate it Data Protection e Battery Backup The RAID controllers are armed with a Battery Backup Module BBM While a Uninterruptible Power Supply UPS protects 190 APPENDIX most servers from power fluctuations or failures a BBM provides an additional level of protection In the event of a power failure a BBM supplies power to retain data in the RAID controller s cache thereby permitting any potentially dirty data in the cache to be flushed out to secondary storage when power is restored The batteries in the BBM are recharged continuously through a trickle charging process whenever the system power is on The batteries protect data in a fai
86. rollers allow the user to select the re build priority to balance volume access and rebuild tasks appro priately The Background Task Priority is a relative indication of how much time the controller devotes to a background opera rae SSS SSE a a a ar 188 APPENDIX tion such as rebuilding or migrating RAID controller allows user to choose the task priority Ultra Low 5 Low 20 Medium 50 High 80 to balance volume set access and background tasks appropriately For high array performance specify an Ultra Low value Like volume ini tialization after a volume rebuilds it does not require a system reboot High Reliability e Hard Drive Failure Prediction In an effort to help users avoid data loss disk manufacturers are now incorporating logic into their drives that acts as an early warning system for pending drive problems This system is called SMART The disk integrated controller works with multiple sensors to monitor various aspects of the drive s performance determines from this information if the drive is behaving normally or not and makes available status information to 6Gb s SATA RAID controller 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 impending hard drive failure e Auto Reassign Sector Under normal operation even initially defect free drive medi
87. s extremely high data reliability but at the cost of doubling the required data storage capacity AO A1 BO B1 CO C1 DO DiRT Logical disk Array Management RAID1 Mirroring Block 0 Block 0 5 J Physical Disk 0 0 D D i i Disk 1 Disk 2 193 APPENDIX RAID 10 1E RAID 10 1E is a combination of RAID 0 and RAID 1 combining stripping with disk mirroring RAID Level 10 combines the fast performance of Level 0O with the data redundancy of level 1 In this configuration data is distributed across several disk drives similar to Level 0 which are then duplicated to another set of drive for data protection RAID 10 has been traditionally imple mented using an even number of disks some hybrids can use an odd number of disks as well Illustration is an example of a hybrid RAID 10 1E array comprised of five disks A B C D and E In this configuration each 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 or odd gs o RR a EA RAID 3 RAID 3 provides disk striping and complete data redundancy though a dedicated parity drive RAID 3 breaks up data into smaller blocks calculates parity by performing an exclusive or on the blocks and then writes the blocks to all but one drive in the array The parity data created during the exclusive or
88. t trigger rebuilding regardless what sort of disk plugging in When Disable and or Blank Disk Only is se lected the re inserted previously removed disk will be identified as a disk in a separate RAID set with duplicated RAIDset E ET 143 WEB BROWSER BASED CONFIGURATION 144 and with all the rest of RAID members missing e Disk Capacity Truncation Mode Areca RAID controller uses drive truncation so that drives from differing vendors are more likely to be able to be used as spares for each other Drive truncation slightly decreases the usable capacity of a drive that is used in redundant units The control ler provides three truncation modes in the system configuration Multiples Of 10G Multiples Of 1G and Disabled Multiples Of 10G If you have 120 GB drives from different vendors chances are that the capacity varies slightly For ex ample one drive might be 123 5 GB and the other 120 GB Multiples Of 10G truncates the number under tens This makes same capacity for both of these drives so that one could replace the other Multiples Of 1G If you have 123 GB drives from different ven dors chances are that the capacity varies slightly For example one drive might be 123 5 GB and the other 123 4 GB Multiples Of 1G truncates the fractional part This makes capacity for both of these drives so that one could replace the other Disabled It does not truncate the capacity e Smart Option F
89. the or speed below enclosure and replace with a new 1700RPM one if required Controller Serious Controller Temp temperature back Recovered tonormal level Hdd Temp Serious Hdd temperature Recovered back tonormal level On Power On With Warning RAID power on with Battery Backup battery backuped Incomplete Serious Some RAID set Check disk information to find out RAID member disks which channel missing Discovered missing before power on 180 APPENDIX Telnet Log Serious f a Telnet login detected API Log In a API login detected missing before power rebuilding migration on Lost Rebuilding Urgent Some rebuilding Reinserted the missing member MigrationLBA migration raidset disk back controller will member disks continued the incompleted 181 APPENDIX Appendix E RAID Concept RAID Set A RAID set is a group of disks connected to a RAID controller A RAID set contains one or more volume sets The RAID set itself does not define the RAID level 0 1 1E 3 5 6 10 30 50 60 etc the RAID level is defined within each volume set Therefore volume sets are contained within RAID sets and RAID Level is de fined within the volume set If physical disks of different capaci ties are grouped together in a RAID set then the capacity of the smallest disk will become the effective capacity of all the disks in the RAID set Volume Set Each volume set is seen by the host system as a single lo
90. the optional battery backup module Connect the BBM cable to the 12 pin battery connector on the controller 3 Integrators may provide pre drilled holes in their cabinet for securing the BBM using its three mounting positions NH1 NH2 and NH3 4 Low profile bracket also provided 5 The BBM will occupy one PCI slot on the host system lt i F PCle x8 B 4 Battery Backup Capacity Battery backup capacity is defined as the maximum duration of a power failure for which data in the cache memory can be maintained by the battery The BBM s backup capacity varied with the memory chips that installed on the ARC 12x4 RAID controller B 5 Operation 1 Battery conditioning is automatic There are no manual pro cedures for battery conditioning or preconditioning to be per formed by the user 2 In order to make sure of all the capacity is available for your a A 164 APPENDIX battery cells allow the battery cell to be fully charged when installed for the first time The first time charge of a battery cell takes about 24 hours to complete 3 Set the Disk Write Cache 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 Writing amount of data into controller volume about 5GB or bigger 2 Waiting for few seconds power failed system by remove the power cable 3 Check t
91. ting sys tem partition The operating system 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 included with Windows Server 2003 or the Windows 2000 Resource Kit to ex tend an existing partition into free space in the dynamic disk Third party software vendors have created utilities that can be used to repartition disks without data loss Most of these utilities work offline Partition Magic is one such utility High Availability e Global Local Hot Spares A hot spare is an unused online available drive which is ready for replacing the failure disk The hot spare is one of the most important features that RAID controllers provide to deliver a high degree of fault tolerance A hot spare is a spare physical drive that has been marked as a hot spare and therefore is not a member of any RAID set If a disk drive used in a volume set fails then the hot spare will automatically take its place and he EE Eee ee 186 APPENDIX data previously located on the failed drive is reconstructed on the hot spare Dedicated hot spare is assigned to serve one specified RAID set Global hot spare is assigned to serve all RAID set on the RAID controller Dedicated hot spare has higher priority than the glob
92. tion to these e Download the SNMP extension agent from Areca URL e The agent is to be installed on the system which has the Areca controller e Check Mark the option SNMP Through PCI e To use in band PCIe host bus interface keep space or zero on all SNMP Tarp IP Address options 169 APPENDIX 170 C 3 1 Using ArcHttp The HTTP management 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 The Archttp has also inte grated the ability of sending SNMP trap Please reference the manual Chapter 3 ArcHttp Proxy Server Installation section to install and setup its configuration To enable the controller to send the SNMP traps to client SNMP manager using the IP address assigned to the operating system such as Net SNMP manager you can simply use the SNMP function on the ArcHttp proxy server utility To enable the RAID controller SNMP traps sending function configure the SNMP Traps Configuration options on the ArcHTTP Configurations The Archttp proxy only provides one direction to send the trap to the SNMP manager without needing to install the SNMP extension agent on the host For detailed information on using Archttp proxy server utility to send the SNMP traps please see SNMP Traps Configuration section on 5 6 Archttp Configuration If SNMP manag
93. to adjust the three numbers to get the best performance as your requirement Number of AV Stream shows the number of stream added to the system Amount of Read Ahead shows the Amount of Read Ahead data taken from the cache without real disk execution and total cache memory shows the total available memory being installed in the RAID controller e Optimize AV Recording AV recording option is for video recording no time limit but if used in normal operation performance may be degraded This new feature there are 4 options Disabled Mode1 Mode2 and Mode 3 Default value is Disabled Our controller cache uses LRU method there have no special memory capacity reserved for read or write The Mode 1 2 and 3 are used to define the com mand sorting method The default sorting method is helpful for normal applications but not useful for AV applications so we have defined three different sorting methods for these special applications To decide how to optimize AV stream recording parameter you need to adjust the Optimize AV Recording and CZS ar aaa 147 WEB BROWSER BASED CONFIGURATION 148 Write Buffer Threshold during runtime e Read Performance Margin The Read Performance Margin is for controller to reserve n read margin during AV stream recording It is designed to eliminate the frame drop and ensure to provide the smooth and stable performance on the application e Write Performance Margin The Write Performance M
94. ware uses when an IP address does not match any other routes in the routing table e Subnet Mask A Subnet mask is a 32 bit number that masks an IP address and divides the IP address into network address and host ad dress e HTTP Port Number To manually configure the HTTP Port Number of the controller move the cursor bar to HTTP Port Number item then reassign the default HTTP Port Number of the controller e Telnet Port Number To manually configure the Telnet Port Number of the controller move the cursor bar to Telnet Port Number item then reassign the default Telnet Port Number of the controller e SMTP Port Number To manually configure the SMTP Port Number of the controller Move the cursor bar to SMTP Port Number item then reassign the default SMTP Port Number of the controller 6 8 5 Alert By Mail Configuration To configure the 6Gb s SATA RAID controller 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 cursor bar to the Alert By Mail Configuration item then select the desired function This function can only be set via web based configuration WEB BROWSER BASED CONFIGURATION The firmware contains a SMTP manager monitoring all system events Single or multiple user notifications can be sent via Plain English e mails with no software required
95. ys tem requires all of the following components e A supported web browser which should already be installed on the system e Install ArcHttp proxy server on the SATA RAID system Refer to Chapter 5 Archttp Proxy Server Installation e Remote and managed systems must have a TCP IP connection e Start up McRAID Storage Manager from Windows Local Administration Screen captures in this section are taken from a Windows XP installation If you are running another version of Windows your screens may look different but the ArcHttp proxy server installa tion is essentially the same There Areca RAID Controller icon bar window start appearing in the taskbar double click to launch the ArcHTTP Configuration screen Or click on the Start button in the Windows task bar and then click Program select the McRAID and run Archttp proxy server The ArcHTTP Configurations dialog box appears eoo i ARCHTTP Configuration 2 http localhost 81 KQ Google us o eo TA EH Apple Yahoo GoogleMaps YouTube armies News 555 Popular a TAT s zA e sal eee open all close all EE LE E Q ArchTTP v2 2 3 General Configurations HTTP Port a1 SMTP Port 25 Ri Display HTTP Conni tion To C le yesOni Collect Suppo iana z z a OYesOn gt mE SAS RAID Co ARC 1224 wel vanan Loe Sa RAID Control hks is Event Log File Name O Confirm The Operation Submit Reset

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