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Introduction

1-4

By striping the drives in the array with stripes large enough so that each record
falls entirely within one stripe, most records can be evenly distributed across all
drives. This keeps all drives in the array busy during heavy load situations. This
situation allows all drives to work concurrently on different I/O operations, and
thus maximize 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

redundancy. RAID 0 arrays can be configured with large stripes for multi-user
environments or small stripes for single-user systems that access long sequential
records. RAID 0 arrays deliver the best data storage efficiency and performance
of any array type. The disadvantage is that if one drive in a RAID 0 array fails, the
entire array fails.

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Содержание MGD-16FC16S

Страница 1: ...RAID FIBRE TO S ATA SAS Installation Reference Guide Revision 1 0 P N PW0020000000263...

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

Страница 3: ...However there is not guarantee that interference will not occur in a particular installation If this equipment does cause interference to radio or television equipment reception which can be determine...

Страница 4: ...to identify parts of the Disk Array and prepare the hardware for configuration Chapter 3 Configuring Quick Setup Provides a simple way to setup your Disk Array Customizing Setup Provides step by step...

Страница 5: ...Powering on the subsystem 2 5 Install Hard Drives Chapter 3 Configuring 3 1 ConfiguringthroughaTerminal 3 2 Configuring the Subsystem Using the LCD Panel 3 3 MenuDiagram 3 4 Web browser based Remote R...

Страница 6: ...3 9 5 SNMPConfiguration 3 9 6 NTPConfiguration 3 9 7 ViewEvents 3 9 8 GenerateTest Events 3 9 9 ClearEventsBuffer 3 9 10 Modify Password 3 9 11UpgradeFirmware 3 9 12 Restart Controller 3 10 Informatio...

Страница 7: ...in which 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 f...

Страница 8: ...word protection and UPS connection Built in R Link LAN port interface for remote management event notifica tion Dual host channels support clustering technology Real time drive activity and status ind...

Страница 9: ...ping This 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 la...

Страница 10: ...thus maximize 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 da...

Страница 11: ...isting 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 i...

Страница 12: ...one I O 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 avo...

Страница 13: ...o the physical 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 drive...

Страница 14: ...requires synchronized spindle drives to avoid performance degradation with short records RAID 5 with a small stripe size offers similar performance RAID 5 combines efficient fault tolerant data storag...

Страница 15: ...res N 2 drives to implement because of two dimensional parity scheme Combination of RAID levels 0 and 1 This level provides striping and redundancy through mirroring Combination of RAID levels 0 and 3...

Страница 16: ...rconnection 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...

Страница 17: ...L topology 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...

Страница 18: ...short 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...

Страница 19: ...disks in the raid set nection to every connected device Each node on a Switched fabric uses an aggregate throughput data path to send or receive data 1 3 4 LUN Masking LUN masking is a RAID system ce...

Страница 20: ...f Use features 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 initia...

Страница 21: ...t while the 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 Dat...

Страница 22: ...n 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 in the event tha...

Страница 23: ...be affected Important 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 su...

Страница 24: ...lly restart the 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 ope...

Страница 25: ...ore continuing first unpack the subsystem and verify that the contents of the shipping carton are all there and in good condition Before removing the subsystem from the shipping carton visually inspec...

Страница 26: ...o power cords Two external Fibre optical cables One external null modem cable One external UPS cable One RJ 45 ethernet cable Installation Reference Guide Spare screws etc If any of these items are mi...

Страница 27: ...of the subsystem The illustrations below identify the various features of the subsystem Get yourself familiar with these terms as it will help you when you read further in the following sections 2 2 1...

Страница 28: ...D indicates power is on and hard drive status is good for this slot If there is no hard drive the LED is red If hard drive defected in this slot or the hard drive is failure the LED is orange These LE...

Страница 29: ...ot tem perature over 65o C this LED will turn red and an alarm will sound When a fan s rotation speed is lower than 1500rpm this LED will turn red and an alarm will sound If a redundant power supply f...

Страница 30: ...ander the LED is Blue 2 Host Channel B The subsystem is equipped with 2 host channels Host channel A and Host channel B Each host channel with one optical LC Fibre connectors at the rear of the subsys...

Страница 31: ...subsystem may come with an optional UPS port allowing you to connect a UPS device Connect the cable from the UPS device to the UPS port located at the rear of the subsystem This will automatically al...

Страница 32: ...right Two power supplies power supply 1 and power supply 2 are located at the rear of the subsystem Turn on the power of these power supplies to power on the subsystem The power LED at the front pane...

Страница 33: ...bles For every pair of host channel fibre connector at the rear of the subsystem attach one end of the fibre optical cable to one of the fibre connectors and the other end to the host adapter s extern...

Страница 34: ...all the power cords or power connectors located at the rear of the subsystem 2 Turn on the power 3 The Power LED on the front panel will turn green After a few moments the LCD should display the foll...

Страница 35: ...ports hot swapping allowing you to install or replace a hard drive while the subsystem is running 1 Pull out an empty disk tray You can install in any available slot 2 Take off the bracket before inst...

Страница 36: ...power LED did not turn green check the hard drive is in good condition 8 If the hard drive is not being accessed the HDD access LED will not illuminate The LED blinks only when being accessed 5 Slide...

Страница 37: ...nal connected 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 t...

Страница 38: ...Configuring 3 2 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...

Страница 39: ...Configuring 3 3 4 The default setting of the monitor port is 115200 baud rate 8 data bit non parity 1 stop bit and no flow control...

Страница 40: ...Configuring 3 4 5 Click disconnect button 6 Open the File menu and then open Properties...

Страница 41: ...ing 3 5 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...

Страница 42: ...on ESC key Return to previous screen L key Line draw X key Redraw 9 Now the VT100 is ready to use After you have finished the VT100 Termi nal setup you may press X key in your Terminal to link the RAI...

Страница 43: ...he user 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 ch...

Страница 44: ...d raid set Create a customized volume set View individual disk information Setting the raid system configurations Setting the Fibre Channel configurations Setting the Ethernet configurations Record al...

Страница 45: ...nfiguring the Subsystem Using the LCD Panel The LCD Display front panel function keys are the primary user interface for the Disk Array Except for the Firmware update all configuration can be per form...

Страница 46: ...LBA use 4k Block Greater Two TB Volume Support Greater Two TB Volume Support Greater Two TB Volume Support Greater Two TB Volume Support Greater Two TB Volume Support Greater Two TB Volume Support Gre...

Страница 47: ...e Select Raid Set To Delete Delete Raid Set Yes No Are you sure Yes No Select Drives IDE Channel Chxx Ch16 Expand Raid Set Yes No Select Raid Set To Active Activate Raid Set Yes No Are You Sure Yes No...

Страница 48: ...u sure Yes No Modify Volume Set Modify Volume From Raid Set Select Volume To Modify Volume Modification Greater Two TB Volume Support Volume Name Raid Level Capacity Stripe Size Fibre Host LUN Base Fi...

Страница 49: ...abled Enter New Password Re Enter Password Save The Password Save The Settings Yes No UltraLow 5 Low 20 Medium 50 High 80 Are you sure Yes No Yes No Terminal Port Config Baud Rate 1200 2400 4800 9600...

Страница 50: ...tor Information Hardware Monitor The System Information System Information Channel 0 Speed Channel 0 Topology Channel 0 Hard Loop ID Channel 1 Speed Channel 1 Topology Channel 1 Hard Loop ID Fibre Cha...

Страница 51: ...figure 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...

Страница 52: ...raid set Create customized volume sets and modify the existed volume sets parameter Create pass through disks and modify the existed pass through drives parameter It also provides the function to ide...

Страница 53: ...plemented 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 i...

Страница 54: ...utton in the Quick Create screen the raid set and volume set will start to initialize After you complete the Quick create function you should refer to section 3 9 2 Fibre channel configuration to comp...

Страница 55: ...reconfigures the raid set A raid set is a group of disks containing one or more volume sets 3 6 1 Create Raid Set To create a raid set click on the Create Raid Set link A Select The Drive For RAID Set...

Страница 56: ...layed showing all raid set existing in the current controller Click the raid set number you which to delete in the select column to delete screen Tick on the Confirm The Operation and click on the Sub...

Страница 57: ...Configuring 3 21...

Страница 58: ...he target raid set which you want to expand it Tick 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 Expan...

Страница 59: ...id set Migration 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...

Страница 60: ...Configuring 3 24 Note Cannot expand RaidSet when contains Raid30 50 60 volume...

Страница 61: ...tem is power on 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 cl...

Страница 62: ...Configuring 3 26 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...

Страница 63: ...he appropriate check box Tick 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 ho...

Страница 64: ...Configuring 3 28 3 6 7 Rescue Raid Set If you try to Rescue Missing RAID Set please contact our engineer for assistance...

Страница 65: ...ume set on the raid set will have its data spread evenly across all the disks in the raid set 3 7 1 Create Volume Set The following is the volume set features 1 Volume sets of different RAID levels ma...

Страница 66: ...vel and 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 E...

Страница 67: ...stripe size produces 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 s...

Страница 68: ...p to 8 LUNs 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 3 7 2 Cre...

Страница 69: ...ume Set link The Select The Vol ume Set To Delete screen will show all raid set number Tick on a raid set number and the Confirm The Operation and then click on the Submit button to show all volume se...

Страница 70: ...dification tick on the Confirm The Operation and click on the Submit button to complete the action User can modify all values except the capacity 3 7 4 1 Volume Expansion Volume Capacity Logical Volum...

Страница 71: ...Configuring 3 35 Note Cannot expand volume capacity in Raid30 50 60 volume...

Страница 72: ...volume set 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...

Страница 73: ...ation and click 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...

Страница 74: ...ired schedule that you wish to check volume set Tick on Con firm The Operation and click on the Submit button Scheduler Disabled 1 Day For Testing 1Week 2Weeks 3Weeks 4Weeks 8Weeks 12Weeks 16Weeks 20W...

Страница 75: ...the Check Volume Set function 3 7 9 Volume Set Host Filters Use this option to View Edit Host Filters Refer to section 3 9 2 2 View Edit Volume Set Host Filters for more information You should comple...

Страница 76: ...Create 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...

Страница 77: ...disk To modify 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...

Страница 78: ...ation and click on the Submit button to complete the delete action 3 8 4 Identify Enclosure To identify the Enclosure move the mouse cursor bar to click on Identify Enclo sure link The Select The Encl...

Страница 79: ...sk when the Identify 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 app...

Страница 80: ...Beeper 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 indica...

Страница 81: ...subsystem functions correctly HDD Queue Depth The queue depth is the number of I O operations that can be run in parallel on a device This HDD Queue Depthe are 1 2 4 8 16 and 32 Stagger Power On Contr...

Страница 82: ...at the capacity varies slightly For example one drive might be 123 5 GB and the other 120 GB This drive Truncation mode Multiples Of 10G uses the same capacity for both of these drives so that one cou...

Страница 83: ...istinct WWNN for 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...

Страница 84: ...rrent connection 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 show...

Страница 85: ...o 20 hosts can 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 c...

Страница 86: ...lume Set 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 Fu...

Страница 87: ...8 host filter entries 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 ope...

Страница 88: ...et The access 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 conside...

Страница 89: ...Configuring 3 53...

Страница 90: ...3 54 3 9 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 desir...

Страница 91: ...menu and click 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...

Страница 92: ...o the main 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...

Страница 93: ...ving problem Once 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 tick...

Страница 94: ...the RAID 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 des...

Страница 95: ...controller s information 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 eve...

Страница 96: ...nerate test events move the cursor bar to the main menu and click on he Generate Test Events Tick on the Confirm The Operation and click on the Submit button in the screen to create the hot spares The...

Страница 97: ...eature to clear the entire events buffer information 3 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 Pa...

Страница 98: ...n entering 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 E...

Страница 99: ...is feature to 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...

Страница 100: ...ion serial number main processor CPU data Instruction cache size and system memory size speed appear in this screen 3 10 2 System Information To view the RAID subsystem controller s information move t...

Страница 101: ...V or 3 6V 2 25V or 2 75V 1 17V or 1 43V 1 125V or 1 375V 3 10 3 Hardware Monitor To view the RAID subsystem controller s hardware monitor information move the mouse cursor to the main menu and click t...

Страница 102: ...d Each configuration 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 optiona...

Страница 103: ...ting Firmware Hot Swap Components 4 1 Memory Upgrades The subsystem is equipped with one DDRII SDRAM socket By default your Disk Array comes with 256MB of memory that is expandable to a maximum of 2GB...

Страница 104: ...dule Screw of Controller Module 2 Unscrew and take off the cover of controller Module 3 Remove the DIMM Memory from the RAM socket Then Press the memory module firmly into socke make sure that all the...

Страница 105: ...formation of the firmware change Read this file first before upgrading the firmware These files must be extracted from the compressed file and copied to one direc tory in drive A or C Establishing the...

Страница 106: ...rmware for your RAID subsystem controller For Example download the bin file from your OEM s web site onto the c 1 From the Main Menu scroll down to Raid System Function 2 Choose the Update Firmware Th...

Страница 107: ...MODEM as the file transfer proto col of your terminal emulation software 5 Click Browse Look in the location where the Firmware upgrade software is located Select the File name 8660FIRM BIN and click...

Страница 108: ...4 6 7 When the Firmware completes downloading the confirmation screen appears Press Yes to start program the flash ROM 8 When the Flash programming starts a bar indicator will show Start Updating Fir...

Страница 109: ...to complete 10 After the Firmware upgrade is complete a bar indicator will show Firmware Has Been Updated Successfully NOTE The user has to reconfigure all of the settings after the firmware upgrade...

Страница 110: ...ursor to Upgrade Firm ware link The Upgrade The Raid System Firmware screen appears 2 Click Browse Look in the location where the Firmware upgrade software is located Select the File name 8660FIRM BIN...

Страница 111: ...Array Maintenance 4 9 5 After the firmware upgrade is complete a bar indicator will show Firmware Has Been Updated Successfully...

Страница 112: ...the following steps Refer to 2 5 Installing hard disks 1 Open the tray lever by sliding the latch and wait for the drive to spin down The disk LED on the front panel will turn from green to red indica...

Страница 113: ...upply 4 Slide the new power supply in until it clicks into place 5 Replace the screws you removed in step 1 4 3 2 Replacing a Power Supply 1 Remove the screws located at the corners of the power suppl...

Страница 114: ...the screws on the cor ners of the defective fan Place the screws on a safe place as you will need them later when you install a new fan Note We recommend that you remove the fan holder from the subsys...

Страница 115: ...wap power supply Cooling fan On line expansion Multiple RAID selection Failed disk auto rebuild Array Roaming Bad block auto remapping Online RAID level migration Audible alarm Host Independent Failed...

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