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RAID SCSI T O S-A T A Installation Reference Guide Revision 1.0 P/N: PW0020000000315.
Copyright No part of this publication may be reproduced, stored in a retrieval system, or tra nsmitted in a ny form or by a ny mea ns, ele ctronic, mecha nical, photocopying, recording or otherwise, without the prior written consent.
FCC Complia nce State ment This equipment ha s been tested a nd f ound to comply with the li mits for a Cla ss B digital device, pursua nt to Part 15 of the FCC rules. These li mits are designed to provide rea sona ble protection against harmful interference in residenti al installations.
About This Manual Welcome to your R edundant A rray of I ndependent D isks System User ’ s Guide. This manual covers everything you need to know in learning how to install or configure your RAID system. This manual also assumes that you know the basic concepts of RAID technology.
T able of Contents Cha pter 1 Introduction 1 .1 Key Features.......................................................................................................... 1. 2 RAID Concepts..................................................................
3.6.7 Delete Hot Spare......................................................................................... 3.6.8 Rescue Raid Set.......................................................................................... 3.7 V olume Set Function...
Introduction 1-1 Chapter 1 Introduction The RAID subsystem is a Ultra 320 L V D SCSI-to-Serial A T A II RAID (Redunda nt Arrays of Independent Disk s) disk array subsyste m.
Introduction 1-2 1.1 Key Fe ature s Subsystem Features: Features an Intel 80321 64 bit RISC I/O processor Build-in 128MB ca che memory , expa ndable up to 1024MB Ultra 320 L VD host port .
Introduction 1-3 1.2 RAID Conce pts RAID Fundamentals The basic idea of RAID (Redundant Array of Independent Disks) is to combine multiple inexpensive disk drives into an array of disk drives to obtain performance, capacity and reliability that exceeds that of a single large drive.
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.
Introduction 1-5 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.
Introduction 1-6 RAID 3 sector-stripes data across groups of drives, but one drive in the group is dedicated to storing parity information. RAID 3 relies on the embedded ECC in each sector for error detection.
Introduction 1-7 RAID 6 is similar to RAID 5 in that data protection is achieved by writing parity information to 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 drives.
Introduction 1-8 Dual-level RAID achieves a balance between the increased data availability inherent in RAID 1 and RAID 5 and the increased read performance inherent in disk striping (RAID 0). These arrays are sometimes referred to as RAID 0+1 or RAID 10 and RAID 0+5 or RAID 50.
Introduction 1-9 RAID Ma nagement The subsystem ca n implement several dif ferent levels of RAID technology . RAID levels supported by the subsystem are shown below. RAID Level Description Min Drives 0 1 3 5 6 0 + 1 Block striping is provide, which yields higher perf orma nce tha n with individual drives.
Introduction 1-10 1.3 SCSI Conce pts Before conf iguring the subsystem, you must first understa nd some ba sic SCSI concepts so that the subsystem a nd SCSI devices will function properly. 1.3.1 Multiple SCSI Format Support The subsystem support the SCSI interfa ce sta ndards listed below .
Introduction 1-11 1.3.3 T erminators Ba sed on SCSI specifications, the SCSI bus must be termin ated at both ends, mea ning the devices that are connected to the ends of the SCSI bus must have their bus termin ators ena bled. Devices connected in the middle of the SCSI bus must have their terminators disabled.
Introduction 1-12 1.4 Array Definition 1.4.1 RAID Set A RAID Set is a group of disks containing one or more volume sets. It is impossible to have multiple RAID Sets on the same disks. A V olume Set must be created either on an existing RAID set or on a group of available individual disks (disks that are not yet a part of an raid set).
Introduction 1-13 1.4.3 Easy of 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 and 6 volume sets must be initialized to generate the parity.
Introduction 1-14 1.4.3.3 Online Capacity Expansion Online Capacity Expansion makes it possible to add one or more physical drive to a volume set, while the server is in operation, eliminating the need to store and restore after reconfiguring the raid set.
Introduction 1-15 1.4.3.4 Online RAID Level and Stripe Size Migration User ca n migrate both the RAID level and stri pe size of a n existing volume set, while the server is online a nd the volume set is in use.
Introduction 1-16 1.4.4.2 Hot-Swap Disk Drive Support The RAID subsystem has built the protection circuit to support the replace- ment of UDMA hard disk drives without having to shut down or reboot the system.
Getting Started 2-1 Chapter 2 Getting Started Getting started with the subsystem consists of the following steps: Unpack the storage subsystem. Identifying Parts of the subsystem. Connecting to Host.
Getting Started 2-2 move the components; conta ct the dealer where the subsystem wa s purcha sed for further instructions. The pa ck age contains the f ollowing items: • RAID subsystem unit • One .
Getting Started 2-3 2.2 Identifying Parts 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.
Getting Started 2-4 3. Environment status Function If temperature irregularity in these systems occurs (HDD slot tem- perature over 60 o C) or disk fault, this LED will turn red and an alarm will sound. Green LED indicates power is on. Blue blinking LED indicates data is being a ccessed.
Getting Started 2-5 2.2.2 Re ar V iew 1. Host Cha nnel A & B The subsystem is equi pped with 2 host cha nnels (Host channel A and Host cha nnel B). The host cha nnel with two 68-pin SCSI connectors at the rear of the subsystem f or SCSI in and out.
Getting Started 2-6 2.3 Conne cting to Host The subsystem supports the Ultra 320 SCSI L V D interfa ce which provides fa st 320MB/S data tra nsfer rate s using a 16-bit SCSI bus. Installation of the disk array is very similar to the in stallation of a standard SCSI drive.
Getting Started 2-7 ! Note: 1. When one or more SCSI devices are connected, the total length of all cables (internal or external) must not exceed 3 meters (9.8 ft.) to ensure reliable operation. 2. For safety rea sons, ma ke sure the Disk Array a nd Host Computer are turned off when you plug-in the SCSI cable.
Getting Started 2-8 2.4 SCSI T ermination T wo 68-pin wide SCSI connectors are provided on the back of the enclosure for connecting the array to the system.
Getting Started 2-9 Note: If you are connecting a nother external device after the subsyste m, ma ke sure to disable the termin ator at the subsystem’s host channel A & B out connector . The default host cha nnel’s terminator is disabled. ! Correct SCSI termination procedures require that the last devices on the SCSI bus be terminated.
Getting Started 2-10 2.5 Powering-on the Subsyste m When you connect the Disk Array to the Host computer , you should press the ON/OFF Power Supply Switch. It will turn the Disk Array on and the Sel f-T est will be started automatically. 1 . Plug in the power cord or power connector located at the rear of the subsystem.
Getting Started 2-11 2.6 Install Hard Drive s This section describes the physical locations of the hard drives supported by the subsystem a nd gives instruction s on installing a hard drive. The subsystem supports hot-swa pping allowing you to install or repla ce a hard drive while the subsystem is running.
Getting Started 2-12 4 . T o install the hard drive into the Drive Tray , first insert the hard drive a s show below. Note: When removing the Drive T ray Module from the enclosure, ha ndle with care to prevent dropping the module. ! 5. Turn the Drive T ray over .
RAID Configuring 3-1 ! Chapter 3 RAID Conf iguring The subsystem ha s a setup configuration utility built in containing i mporta nt information a bout the configuration a s well a s settings for various option al func- tions in the subsyste m. This cha pter explains how to use a nd ma ke chan ges to the setup utility.
RAID Configuring 3-2 terminal emulation mode to the monitor port located at the rear of the subsystem. Note: Y ou may connect a terminal while the subsystem’s power is on. 2. Power-on the terminal. 3. Run the VT100 progra m or an equivalent termin al progra m.
RAID Configuring 3-3 4 . The default setting of the monitor port is 1 15200 baud rate, 8 data bit, non-parity , 1 stop bit and no flow control..
RAID Configuring 3-4 5. Click disconnect button. 6. Open the File menu, a nd then open Properties..
RAID Configuring 3-5 7. Open the Settings T ab. 8 . Open the Settings T ab. Function, arrow and ctrl keys act as: T erminal Keys, Backspace key sends: Crtl+H, Emulation: VT100, T elnet terminal: VT100, Back scroll buffer lines: 500.
RAID Configuring 3-6 Keyboard Function Key Definitions “ A “ key - to move to the line above “ Z “ key - to move to the next line “ Enter “ key - Submit selection function “ ESC “ key - Return to previous screen “ L ” key - Line draw “ X ” key - Redraw 9.
RAID Configuring 3-7 Main Menu The main menu shows all function that ena bles the customer to exe cute action s by clicking on the a ppropriate link. Note: The pa ssword option allows user to set or clear the raid subsyste m’s pa ssword protection feature.
RAID Configuring 3-8 Option Quick V olume And Raid Set Setup Raid Set Functions V olume Set Functions Physical Drive Functions Raid System Functions Ethernet Configuration Views System Events Clear Ev.
RAID Configuring 3-9 Function Use the Up or Down arrow keys to go through the information on the LCD screen. This is also used to move between ea ch menu when you configure the subsystem. This is used to enter the option you have selected. Press this button to return to the previous menu.
RAID Configuring 3-10 Raid 0 Quick V olume / Raid Setup R a i d1o r0 + 1 Raid 1 or 0+1 +Spare Raid 3 Raid 5 R a i d3+S p a r e R a i d5+S p a r e Raid 6 R a i d6+S p a r e Selected Capacity Select Str.
RAID Configuring 3-11 Create Raid Set Raid Set Function Delete Raid Set Expand Raid Set Activate Raid Set Create Hot Spare Disk Delete Hot Spare Disk Raid Set Information Select IDE Drives for Raid Se.
RAID Configuring 3-12 Create V olume Set V olume Set Function Delete V olume Set Check V olume Set Stop V olume Check Display V olume Info. Create V olume From Raid Set V olume Creation Create V olume.
RAID Configuring 3-13 Physical Drives Create Pass Through Disk Delete Pass Through Disk Identify Selected Drive Select The Drives Select The Drives Select The Drives Delete Pass Through Are you sure? .
RAID Configuring 3-14 Auto Speed Down Ethernet Configuration T wo TB CDB Select Show System Events View System Events Clear Event Buffer Clear Event Buffer Ye s , N o The Hard Monitor Information Hard.
RAID Configuring 3-15 3 .4 W eb browser-ba sed Re mote RAID ma nage ment vi a R-Link ethernet port Configuration of the intern al RAID subsystem with remote RAID ma nage ment is a web browser-ba sed a pplication, which utilizes the browser installed on your oper- ating system.
RAID Configuring 3-16 Individual Category Quick Create Raid Set Functions V olume Set Functions Physical Drive System Control Inf ormation De scription Create a RAID configuration, which is consist of the number of physical disk in stalled; it ca n modify the volume set Ca pa city , Raid Level, and Stripe Size.
RAID Configuring 3-17 Configuration Procedure s Below are a few pra ctical exa mples of concrete configuration procedure s. 3. 5 Quick Cre ate The number of physical drives in the raid subsystem determines the RAID levels that can be implemented with the raid set.
RAID Configuring 3-18 Greater T wo TB V olume Support: No: still keep the volume size with max. 2TB limitation. 64bit LBA: the max. size 512TB, for U nix or Linux. Due to LSI53C1030T doe s not support 16byte CDB for 64bit LBA, vendor specific 12byte CDB is used f or 64bit LBA support.
RAID Configuring 3-19 3.6 Raid Set Functions Use the Raid Set Function and V olume Set Function if you prefer to customize your system. User manual configuration can full control of the raid set setting, but it will take longer to complete than the Quick V olume/Raid Setup configuration.
RAID Configuring 3-20 3.6.2 Delete Raid Set T o delete a raid set, click on the Delete Raid Set link . A “ Select The RAID SET T o Delete” screen is displayed 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.
RAID Configuring 3-21 3.6.3 Expand Raid Set Use this option to expand a raid set, when a disk is added to your system. This function is active when at least one drive is available. T o expand a raid set, click on the Expand Raid Set link. Select the target raid set, which you want to expand it.
RAID Configuring 3-22 Migrating occurs when a disk is added to a raid set. Migration status is dis- played in the raid status are a of the Raid Set information when a dis k is added to a raid set. Migrating status is also displayed in the a ssociated volume status area of the volume set Inf ormation when a disk is added to a raid set.
RAID Configuring 3-23 3.6.4 Offline Raid Set If user wants to move the Raid Set, when the RAID subsystem is power on. User can use the Offline Raid Set option to of fline the raid set. After user complete the function, the HDD State will change to offline Mode.
RAID Configuring 3-24.
RAID Configuring 3-25.
RAID Configuring 3-26 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 clicking on the appropriate check box. T ick on the Confirm The Operation , and click on the Submit button in the screen to create the hot spares.
RAID Configuring 3-27 3.6.8 Rescue Raid Set If you try to Rescue Missing RAID Set, please contact our engineer for assistance. 3.6.7 Delete Hot Spare Select the target Hot Spare disk to delete by clicking on the appropriate check box. T ick on the Confirm The Operation , and click on the Submit button in the screen to delete the hot spares.
RAID Configuring 3-28 3 .7 V olume Set Function A volume set is seen by the host system as a single logical device. It is orga- nized 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.
RAID Configuring 3-29 V olume Na me: The default volume na me will always a ppear a s V olume Set. #. Y ou ca n re- na me the volume set na me providing it does not exceed the 16 chara cters li mit. Raid Level: Set the RAID level for the V olume Set. Highlight Raid Level and pre ss Enter .
RAID Configuring 3-30 to two tera bytes only . A patch driver is needed to ena ble the system to detect over two tera bytes. Plea se conta ct your vendor for supporting. 4K Block: the max. size 16TB , just use with “ ba sic disk ma nager “ under OS Window 2000, 2003 or XP .
RAID Configuring 3-31 3.7.2 Delete V olume Set T o delete V olume from raid set system function, move the cursor bar to the main menu and click on the Delete V olume Set link. The Select The V olume Set T o Delete screen will show all raid set number .
RAID Configuring 3-32 3.7.3 Modify V olume Set T o modify a volume set from a raid set: (1). Click on the Modify V olume Set link. (2). T ick on the volume set from the list that you wish to modify . Click on the Submit button. The following screen appears.
RAID Configuring 3-33.
RAID Configuring 3-34 3.7.4 V olume Set Migration Migrating occurs when a volume set is migrating from one RAID level to another, a volume set strip size changes, or when a disk is added to a raid set.
RAID Configuring 3-35 3.7.5 Check V olume Set Use this function to perform V olume Set consistency check, which verif ies the correctne ss of redunda nt data (data blocks a nd parity blocks) in a V olume Set.
RAID Configuring 3-36 3.7.6 Stop V olumeSet Check Use this option to stop the Check V olume Set function. NOTE: When the 2 options are not selected, it will only check for errors. It is recommended to perform Check V olume Set with the 2 options unselected at first.
RAID Configuring 3-37 3. 8 Physical Drive Choose this option from the Main Menu to select a physical disk and to per- form the operations listed below. 3.8.1 Create Pass-Through Disk T o create pass-through disk, move the mouse cursor to the main menu and click on the Create Pass-Through link.
RAID Configuring 3-38 3.8.2 Modify Pass-Through Disk Use this option to modify the Pass-Through Disk Attribute. User can modify the cache mode, T agged Command Queuing, Max SCSI speed and SCSI channel/ID/LUN on an existed pass through disk.
RAID Configuring 3-39 3.8.3 Delete Pass-Through Disk T o delete pass-through drive from the pass-through drive pool, move the mouse cursor bar to the main menus and click on Delete Pass Through link. After you complete the selection, tick on the Confirm The Operation and click on the Submit button to complete the delete action.
RAID Configuring 3-40 3 .9 System Configuration 3.9.1 System Configuration T o set the raid system function, move the cursor bar to the main menu and click on he Raid System Function link. The Raid System Function menu will show all items. Select the desired function.
RAID Configuring 3-41 T erminal Port Configuration: Speed setting values are 1200, 2400, 4800, 9600, 19200,38400, 57600, and 1 15200. Stop Bits values are 1 bit and 2 bits. Note: Parity value is fixed at None. Data Bits value is fixed at 8 bits. JBOD/RAID Configuration The RAID subsystem supports JBOD a nd RAID configuration.
RAID Configuring 3-42 ered up altogether at the same time. The power transfer time (lag time) from the last HDD to the next one can be set within the range of 0.4 to 6.0. Spin Down Idle HDD (Minutes): This option is to spin down hard drives after they have been idle for a select- able amount of time.
RAID Configuring 3-43 3.9.2 U320 SCSI T arget Config T o set the U320 SCSI T arget function, move the cursor bar to the main menu a nd click on the U320 SCSI T arget Config . Cha nnel 0 / 1 QAS: The Ena bled option supports Quick Arbitration and Sele ction (QAS).
RAID Configuring 3-44 3.9.3 EtherNet Config T o 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.
RAID Configuring 3-45 3.9.4 Alert By Mail Config T o set the Event Notification function, move the cursor bar to the main menu and click on the Alert By Mail Config . The Raid System Event Notification Function menu will show all items. Select the desired function.
RAID Configuring 3-46 3.9.5 SNMP Configuration The SNMP give s users independence from the proprietary network ma nagement scheme s of some manufa cturers a nd SNMP is supported by ma ny W A N a nd LAN ma nufa cturers ena bling true LAN/ W AN ma nagement integration.
RAID Configuring 3-47 message. This allows user to ea sily define which RAID unit is having problem. Once this setting is done, alert by mail configuration will also work in the sa me way. SNMP T ra p Notification Configuration s: Select the desired function.
RAID Configuring 3-48 3.9.7 V iew Events T o view the RAID subsystem 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 events information: T imer , Device, Event type, Elapse T ime and Errors.
RAID Configuring 3-49 3.9.8 Generate T est Events If you want to generate test events, move the cursor bar to the main menu and click on he Generate T est Events . T ick on the Confirm The Operation , and click on the Submit button in the screen to create the hot spares.
RAID Configuring 3-50 3.9.9 Clear Events Buffer Use this feature to clear the entire events buffer information. 3.9.10 Modify Password T o set or change the RAID subsystem password, move the mouse cursor to Raid System Function screen, and click on the Change Password link.
RAID Configuring 3-51 The password option allows user to set or clear the raid subsystem’s password protection feature. Once the password has been set, the user can only monitor and configure the raid subsystem by providing the correct password. The password is used to protect the internal RAID subsystem from unautho- rized entry.
RAID Configuring 3-52 3.10 Information Menu 3.10.1 RaidSet Hierarchy Use this feature to view the internal raid subsystem current raid set, current volume set and physical disk configuration.
RAID Configuring 3-53 3.10.3 Hardware Monitor T o view the RAID subsystem controller’s hardware monitor information, move the mouse cursor to the main menu and click the Hardware Monitor link. The Hard- ware Information screen appears. The Hardware Monitor Information provide s the temperature a nd voltage of the internal RAID subsystem.
RAID Configuring 3-54 3.1 1 Cre ating a New RAID or Re configuring a n Existing RAID Y ou ca n configure raid sets a nd volume sets using Quick Create or Raid Set Function s/V olume Set Functions conf iguration method. Ea ch configuration method requires a different level of user input.
RAID Configuring 3-55 3.12 Upgra ding the Firmware Upgrading Flash Firmware Programming Utility Since the RAID subsystem controller features flash firmware, it is not neces- sary to change the hardware flash chip in order to upgrade the RAID firmware.
RAID Configuring 3-56 Upgrading Firmware Through ANSI/VT -100 T erminal Emulation Get the new version firmware 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.
RAID Configuring 3-57 4. Select “ZMODEM modem” under Protocol. ZMODEM as the file transfer protocol of your terminal emulation software. 5. Click Browse. Look in the location where the Firmware upgrade software is located. Select the File name: “xxxxxxx.
RAID Configuring 3-58 7. When the Firmware completes downloading, the confirmation screen appears. Press “Y es” to start program the flash ROM. 8. When the Flash programming starts, a bar indicator will show “ Start Updating Firmware. Please W ait:”.
RAID Configuring 3-59 9. The Firmware upgrade will take approximately thirty seconds to complete. 10. After the Firmware upgrade is complete, a bar indicator will show “ Firmware Has Been Updated Successfully”.
RAID Configuring 3-60 Upgrading Firmware Through Web Browser Management Get the new version firmware for your RAID subsystem controller. 1. T o upgrade the RAID subsystem firmware, move the cursor to Upgrade Firmware link. The Upgrade The Raid System Firmware screen appears.
RAID Configuring 3-61 5. After the firmware upgrade is complete, a bar indicator will show “ Firmware Has Been Updated Successfully”.
T echnical Spe cification A-1 Appendix A T echnical Spe cification RAID processor RAID level Ca che memory No. of cha nnels (host+disk) Host bus interfa ce Data tra ns fer Disk interfa ce Hot swa p di.
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