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Sans Digital ELITERAID ER316FD+B, User Manual

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RAID 1

, also known as disk mirroring, is simply a pair of disk drives that store 

duplicate data but appear to the computer as a single drive. Although striping is 
not used within a single mirrored drive pair, multiple RAID 1 arrays can be striped 
together to create a single large array consisting of pairs of mirrored drives. All 
writes must go to both drives of a mirrored pair so that the information on the 
drives is kept identical. However, each individual drive can perform simultaneous, 
independent read operations. Mirroring thus doubles the read performance of a 
single non-mirrored drive and while the write performance is unchanged. RAID 1 
delivers the best performance of any redundant array type. In addition, there is 
less performance degradation during drive failure than in RAID 5 arrays. 

Summary of Contents for ELITERAID ER316FD+B

Page 1: ...ELITERAID ER316FD B Detailed User s Manual v 1 0...

Page 2: ...s electronic mechanical photocopying recording or otherwise without the prior written consent Trademarks All products and trade names used in this document are trademarks or registered trademarks of t...

Page 3: ...technology concepts Chapter 2 Configuring Quick Setup Provides a simple way to setup your Disk Array Customizing Setup Provides step by step instructions to help you to do setup or re configure your...

Page 4: ...4 HighAvailability 1 17 Chapter 2 Configuring 2 1 ConfiguringthroughaTerminal 2 2 Configuring the Subsystem Using the LCD Panel 2 3 MenuDiagram 2 4 Web browser based Remote RAID management via R Link...

Page 5: ...figuration 2 9 2 1View Edit HostName List 2 9 2 2View Edit Volume Set Host Filters 2 9 3 EthernetConfig 2 9 4 AlertByMailConfig 2 9 5 SNMPConfiguration 2 9 6 NTPConfiguration 2 9 7 ViewEvents 2 9 8 Ge...

Page 6: ...data is stored in a RAID array If a disk in the RAID array fails the subsystem continues to function without any risk of data loss This is because redundant information is stored separately from the...

Page 7: ...on and UPS connection Z Built in R Link LAN port interface for remote management event notifica tion Z Dual host channels support clustering technology Z Real time drive activity and status indicators...

Page 8: ...s is a method of combining multiple drives into one logical storage unit Striping partitions the storage space of each drive into stripes which can be as small as one sector 512 bytes or as large as s...

Page 9: ...imize the number of simultaneous I O operations that can be performed by the array Definition of RAID Levels RAID 0 is typically defined as a group of striped disk drives without parity or data redund...

Page 10: ...pairs of mirrored drives All writes must go to both drives of a mirrored pair so that the information on the drives is kept identical However each individual drive can perform simultaneous independen...

Page 11: ...request at a time RAID 3 delivers the best performance for single user single tasking environments with long records Synchronized spindle drives are required for RAID 3 arrays in order to avoid perfor...

Page 12: ...ysical drives in the array With RAID 6 however two sets of parity data are used These two sets are different and each set occupies a capacity equivalent to that of one of the constituent drives The ma...

Page 13: ...s synchronized spindle drives to avoid performance degradation with short records RAID 5 with a small stripe size offers similar performance Z RAID 5 combines efficient fault tolerant data storage wit...

Page 14: ...s to implement because of two dimensional parity scheme 4 0 1 Combination of RAID levels 0 and 1 This level provides striping and redundancy through mirroring 4 30 Combination of RAID levels 0 and 3 T...

Page 15: ...of multiple communi cation points called N_Ports The port itself only manages the connection between itself and another such end port which which could either be part of a switched network referred to...

Page 16: ...y provides a relatively simple method of connecting and sharing resources This topology allows up to 126 devices or nodes in a single continuous loop or ring The loop is constructed by daisy chaining...

Page 17: ...distances and transfer data up to 30 meters per link Fiber cables come in two distinct types Multi Mode fiber MMF for short distances up to 2km and Single Mode Fiber SMF for longer distances up to 10...

Page 18: ...secure to mask LUNs at the RAID device but not all RAID devices have LUN masking capability Therefore in order to mask LUNs some HBA vendors allow persistent binding at the driver level 1 4 Array Def...

Page 19: ...tures 1 4 3 1 Instant Availability Background Initialization RAID 0 and RAID 1 volume set can be used immediately after the creation But the RAID 3 5 6 30 50 and 60 volume sets must be initialized to...

Page 20: ...he server is in operation eliminating the need to store and restore after reconfiguring the raid set When disks are added to a raid set unused capacity is added to the end of the raid set Data on the...

Page 21: ...g 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 in the event that additio...

Page 22: ...rtant The hot spare must have at least the same or more capacity as the drive it replaces 1 4 4 2 Hot Swap Disk Drive Support The RAID subsystem has built the protection circuit to support the replace...

Page 23: ...system and the rebuild if the system is shut down or powered off abnormally during a reconstruction procedure condition When a disk is Hot Swap al though the system is functionally operational the sys...

Page 24: ...nected through the controller s serial port Front panel touch control keypad Web browser based Remote RAID management via the R Link ethernet port Important The subsystem allows you to access the util...

Page 25: ...Note You may connect a terminal while the subsystem s power is on 2 Power on the terminal 3 Run the VT100 program or an equivalent terminal program Configuring...

Page 26: ...4 The default setting of the monitor port is 115200 baud rate 8 data bit non parity 1 stop bit and no flow control...

Page 27: ...5 Click disconnect button 6 Open the File menu and then open Properties Configuring...

Page 28: ...7 Open the Settings Tab 8 Open the Settings Tab Function arrow and ctrl keys act as Terminal Keys Backspace key sends Crtl H Emulation VT100 Telnet terminal VT100 Back scroll buffer lines 500 Click OK...

Page 29: ...m and Terminal together Press X key to display the disk array Monitor Utility screen on your VT100 Terminal 10 The Main Menu will appear Keyboard Function Key Definitions A key to move to the line abo...

Page 30: ...r can only monitor and configure the raid subsystem by providing the cor rect password The password is used to protect the internal RAID sub system from unauthorized entry The controller will check th...

Page 31: ...stalled Raid Set Functions Create a customized raid set Volume Set Functions Create a customized volume set Physical Drive Functions View individual disk information Raid System Functions Setting the...

Page 32: ...to two lines at a time of menu items or other information The RAID subsystem password is default setting at 0000 by the manufacture Function Key Definitions The four function keys at back panel LCD pe...

Page 33: ...reate Vol Raid Set Yes No Initialization Mode Foreground Background No Init Greater Two TB Volume Support Selected Capacity No Use 64Bit LBA use 4k Block Raid 3 Spare Select Stripe Size 4K 8K 16K 32K...

Page 34: ...Set Yes No Raid Set Function Offline Raid Set Select Raid Set To Offline Offline Raid Set Yes No Are You Sure Yes No Activate Raid Set Select Raid Set To Active Activate Raid Set Yes No Are You Sure...

Page 35: ...Volume Yes No Initialization Mode Foreground Background No Init Volume Set Function Delete Volume Set Delete Volume From Raid Set Select Volume To Delete Delete Volume Set Yes No Are you sure Yes No M...

Page 36: ...Password Save The Password JBOD RAID Function RAID JBOD Configured AS JBOD Yes No Yes No Are you sure Yes No Background Task Priority UltraLow 5 Low 20 Medium 50 High 80 Raid System Function Save The...

Page 37: ...Loop Point Point Fabric Channel 1 Hard Loop ID Auto 0 125 DHCP Function Local IP Address Disabled Enabled Ethernet Configuration HTTP Port Number 80 Telnet Port Number 23 SMTP Port Number 25 Ethernet...

Page 38: ...internal RAID subsystem on a remote machine you need to know its IP Address Launch your web browser by entering http IPAddress in the remote web browser Important The Ethernet default IP is 192 168 0...

Page 39: ...pe 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 mo...

Page 40: ...d with the raid set You can create a raid set associated with exactly one volume set The user can change the raid level capacity Volume Initialization Mode and stripe size A hot spare option is also c...

Page 41: ...he raid set and volume set will start to initialize After you complete the Quick create function you should refer to section 2 9 2 Fibre channel configuration to complete RAID configuration Then you c...

Page 42: ...res the raid set A raid set is a group of disks containing one or more volume sets 2 6 1 Create Raid Set To create a raid set click on the Create Raid Set link A Select The Drive For RAID Set screen i...

Page 43: ...ll raid set existing in the current controller Click the raid set number you which to delete in the select column to delete screen Click on the Confirm The Operation and click on the Submit button in...

Page 44: ......

Page 45: ...set which you want to expand it Click on the available disk and Confirm The Operation and then click on the Submit button in the screen to add disks to the raid set Note 1 Once the Expand Raid Set pro...

Page 46: ...igration status is dis played in the raid status area of the Raid Set information when a disk is added to a raid set Migrating status is also displayed in the associated volume status area of the volu...

Page 47: ...Note Cannot expand RaidSet when contains Raid30 50 60 volume Configuring...

Page 48: ...aid Set is selected After user complete the function the HDD State will change to offline Mode To offline a raid set click on the Offline Raid Set link A Select The RAID SET To Offline screen is displ...

Page 49: ...n User can use the Activate Raid Set option to active the raid set After user complete the function the Raid State will change to Degraded Mode To activate the incomplete the raid set click on the Act...

Page 50: ...Click on the Submit button in the screen to activate the raid set that has removed one of disk drive in the power off state The RAID subsystem will continue to work in degraded mode...

Page 51: ...check box Click on the Confirm The Operation and click on the Submit button in the screen to create the hot spares The create Hot Spare option gives you the ability to define a global hot spare 2 6 7...

Page 52: ...2 6 8 Rescue Raid Set If you try to Rescue Missing RAID Set please contact our engineer for assistance...

Page 53: ...raid set will have its data spread evenly across all the disks in the raid set 2 7 1 Create Volume Set The following is the volume set features 1 Volume sets of different RAID levels may coexist on th...

Page 54: ...press Enter The available RAID levels for the current Volume Set are displayed Select a RAID level and press Enter to confirm Capacity The maximum volume size is default in the first setting Enter the...

Page 55: ...roduces better read performance especially if your com puter does mostly sequential reads However if you are sure that your com puter does random reads more often select a small stripe size Note RAID...

Page 56: ...Ns Most Fibre Channel host adapter treats each LUN like a Fibre disk Volumes To Be Created use this option to create the same attribution volume Up to 128 volume sets can be created 2 7 2 Create Raid3...

Page 57: ...e Select The Vol ume Set To Delete screen will show all raid set number Click on a raid set number and the Confirm The Operation and then click on the Submit button to show all volume set item in the...

Page 58: ...on Click on the Confirm The Operation and click on the Submit button to complete the action User can modify all values except the capacity 2 7 4 1 Volume Expansion Volume Capacity Logical Volume Conca...

Page 59: ...Note Cannot expand volume capacity in Raid30 50 60 volume Configuring...

Page 60: ...t strip size changes or when a disk is added to a raid set Migration status is displayed in the volume status area of the RaidSet Hierarchy screen when one RAID level to another a Volume set strip siz...

Page 61: ...k on the Submit button Use this option to verify the correctness pf the redundant data in a volume set For example in a system with dedicated parity volume set check means com puting the parity of the...

Page 62: ...dule that you wish to check volume set Click on Con firm The Operation and click on the Submit button Scheduler Disabled 1 Day For Testing 1Week 2Weeks 3Weeks 4Weeks 8Weeks 12Weeks 16Weeks 20Weeks and...

Page 63: ...me Set function 2 7 9 Volume Set Host Filters Use this option to View Edit Host Filters Refer to section 2 9 2 2 View Edit Volume Set Host Filters for more information You should complete the Fibre Ch...

Page 64: ...Pass Through link The relative setting function screen appears Disk is no controlled by the internal RAID subsystem firmware and thus cannot be a part of a volume set The disk is available to the oper...

Page 65: ...the pass through drive attribute from the pass through drive pool move the mouse cursor bar to click on Modify Pass Through link The Select The Pass Through Disk For Modification screen appears Click...

Page 66: ...click on the Submit button to complete the delete action 2 8 4 Identify Enclosure To identify the Enclosure move the mouse cursor bar to click on Identify Enclo sure link The Select The Enclosure For...

Page 67: ...ntify Drive is selected To identify the selected drive from the drives pool move the mouse cursor bar to click on Identify Drive link The Select The Device For identification screen appears Click on t...

Page 68: ...Setting The Alert Beeper function item is used to Disabled or Enable the RAID sub system controller alarm tone generator Background Task Priority The Raid Rebuild Priority is a relative indication of...

Page 69: ...D is neces sary to prove the RAID subsystem functions correctly Volume Data Read Ahead This option allows the users to select the Volume Data Read Ahead The set ting values are Normal Aggressive Conse...

Page 70: ...t is used in redundant units Multiples Of 10G If you have 120 GB drives from different vendors chances are that the capacity varies slightly For example one drive might be 123 5 GB and the other 120 G...

Page 71: ...or Each Channel Use this option to enable dual channel support on Mac machines WWNN World Wide Node Name The WWNN of the FC RAID is shown at top of the Config Frame This is an eight byte unique addres...

Page 72: ...nnection topology is shown at end of the row You have to click the Fibre Channel Config link again from the Menu Frame to refresh display of current topology Note that current topology is shown as Non...

Page 73: ...be added To delete a host from the list select the radio button in front of the host list Choose Delete operation then Confirm Submit to complete the delete operation Once volumes are created and the...

Page 74: ...Host Filters can be specified by clicking View Edit Volume Set Host Filters link at bottom of Fibre Channel Config page Volume Set Host Filters can also be specified by clicking Volume Set Functions V...

Page 75: ...ntries can be added To delete a host filter entry from the list select the radio button in front of the host entry Choose Delete operation then Confirm Submit to complete the delete operation Range Ma...

Page 76: ...ccess mode can be specified as normal Read Write or restricted Read Only If a node s WWN falls in none of the ranges and there is at least one Include type entry specified this node is considered as E...

Page 77: ...Configuring...

Page 78: ...3 EtherNet Config To set the EtherNet function move the cursor bar to the main menu and click on he EtherNet Config The Raid System EtherNet Function menu will show all items Select the desired funct...

Page 79: ...on the Alert By Mail Config The Raid System Event Notification Function menu will show all items Select the desired function When an abnormal condi tion occurs an error message will be email to admini...

Page 80: ...in menu and click on he SNMP Configuration The Raid System SNMP Function menu will show all items Select the desired function SNMP Trap Configurations Type the SNMP Trap IP Address The Port de fault i...

Page 81: ...ce this setting is done alert by mail configuration will also work in the same way SNMP Trap Notification Configurations Select the desired function After you complete the addition Click on the Confir...

Page 82: ...subsystem can work with it To set the NTP function move the cursor bar to the main menu and click on he NTP Configuration The Raid System NTP Function menu will show all items Select the desired func...

Page 83: ...formation move the mouse cursor to the main menu and click on the System Information link The Raid Sub system events Information screen appears Choose this option to view the system events information...

Page 84: ...st events move the cursor bar to the main menu and click on he Generate Test Events Click on the Confirm The Operation and click on the Submit button in the screen to create the hot spares Then click...

Page 85: ...the entire events buffer information 2 9 10 Modify Password To set or change the RAID subsystem password move the mouse cursor to Raid System Function screen and click on the Change Password link The...

Page 86: ...g the Main menu from the initial screen The RAID subsystem will automatically go back to the initial screen when it does not receive any command in ten seconds To disable the password press Enter key...

Page 87: ...view the internal raid subsystem current raid set current vol ume set and physical disk configuration Click the volume set number you which to View in the select column Then you can view the Volume Se...

Page 88: ...menu and click on the System Information link The Raid Subsystem Information screen appears Use this feature to view the raid subsystem controller s information The control ler name firmware version...

Page 89: ...voltage of the internal RAID subsystem All items are also unchangeable The warning messages will indicate through the LCD LED and alarm buzzer Item Warning Condition Controller Board Temperature 70 Ce...

Page 90: ...ion method requires a different level of user input The general flow of operations for raid set and volume set configuration is Step Action 1 Designate hot spares pass through optional 2 Choose a conf...

Page 91: ...4Gb s 2 Data transfer Up to 400MB sec Drive bus interface SAS or 3Gb s S ATA II Hot swap disk bays 16 Hot swap power supply 460W 2 w PFC Cooling fan 4 On line expansion Yes Multiple RAID selection Yes...

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