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RAID SCSI T O S-A T A Installation Reference Guide Revision 1.2.
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, electronic, me cha nical, photocopying, recording or otherwise, without the prior written consent.
FCC Complia nce Statement This equipment ha s been te sted a nd found to comply with the li mits for a Cla ss B digital device, pursua nt to Part 15 of the FCC rules. These limits are designed to provide rea son able prote ction 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..................................................................
3.6.6 D elete Hot Spare......................................................................................... 3.6.7 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-Seri al A T A II RAID (Redunda nt Arrays of Independent Disks) dis k array subsystem.
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 M a nage ment The subsystem ca n imple ment several different 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 ormance 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 specif ications, the SCSI bus must be terminated at both ends, mea ning the devices that are connected to the ends of the SCSI bus must have their bus termin ators enabled. Device s 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 has the following features in the RAID subsystem controller: 1. Up to sixteen RAID Sets are supported per RAID subsystem controller.
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. Connect the SCSI Cables.
Getting Started 2-2 • RAID subsystem unit • T wo power cords • T wo external SCSI cable s • One external null modem cable • One external UPS cable • One RJ-45 ethernet cable • T wo Active L V D/SE terminators • Installation Reference Guide • Spare screws, etc.
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 1. HDD trays 1 ~ 12 2. HDD status Indicator Function Green LED indicates power is on a nd 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 ora nge.
Getting Started 2-5 5. Environment status Function If the output DC voltage is over or under +3.3V, +5V or +12V, an alarm will sound warning of a voltage abnormality and this LED will turn red.
Getting Started 2-6 2.2.2 Re ar V iew 1. System power on / off switch 2. Host Cha nnel B The subsystem is equi pped with 2 host channels (Host cha nnel A and Host cha nnel B). The host cha nnel with two 68-pin SCSI connectors at the re ar of the subsystem f or SCSI in and out.
Getting Started 2-7 6. Power Supply Alarm Reset button Y ou ca n push the power supply reset button to stop the power supply buzzer alarm. 7. AC power input socket 1 ~ 2 (From left to right) 8. Power Supply Unit 1 ~ 2 (From left to right) Three power supplies (power supply 1 a nd power supply 2) are located at the rear of the subsystem.
Getting Started 2-8 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 si milar to the installation of a sta ndard SCSI drive.
Getting Started 2-9 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 2-10 Note: If you are connecting a nother external device after the subsystem, ma ke sure to disable the terminator at the subsystem’s host cha n- nel A & B out connector . The default host cha nnel’s terminator is disabled. ! bus with other devices, be sure to observe the above rules with all devices on the SCSI bus.
Getting Started 2-11 2.5 Powering-on the Subsyste m When you connect the Disk Array to the Host computer , you should pre ss the ON/OFF Power Supply Switch. It will turn the Disk Array on a nd the Sel f- T est will be started automatically . 1 . Plug in all the power cords or power connectors located at the rear of the subsystem.
Getting Started 2-12 2.6 In stall Hard Drive s This section describes the physical locations of the hard drives supported by the subsystem a nd gives in structions on installing a hard drive. The sub- system supports hot-swa pping allowing you to install or repla ce a hard drive while the subsystem is running.
Getting Started 2-13 6. Press the lever in until you he ar the latch click into pla ce. 7. If the HDD power LED did not turn green, check the hard drive is in good condition. 8 . If the hard drive is not being a ccessed, the HDD a ccess LED will not illuminate.
Getting Started 2-14 2.7 Conne cting an U ninterrupted Power Supply (UPS) The subsystem is equipped with a UPS port located at the rear of the sys- tem unit.
Getting Started 2-15 2.8 Conne cting to a PC or Terminal The subsystem is equipped with a serial monitor port located at the rear of the system unit. This serve s a s an altern ative display when a ccessing the setup utility.
Configuring 3-1 ! Chapter 3 Configuring 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 optional functions in the subsyste m. This cha pter explains how to use a nd ma ke cha nges to the setup utility .
Configuring 3-2 subsystem. Note: Y ou may connect a termin al 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.
Configuring 3-3 4 . The default setting of the monitor port is 1 15200 baud rate, 8 data bit, non-parity , 1 stop bit a nd no flow control..
Configuring 3-4 5. Click disconnect button. 6. Open the File menu, a nd then open Properties..
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.
Configuring 3-6 Keyboard Function Key Definitions “ A “ key - to move to the line a bove “ 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.
Configuring 3-7 Main Menu The main menu shows all function that ena bles the customer to exe cute a c- tions 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.
Configuring 3-8 Option Quick V olume And Raid Set Setup Raid Set Functions V olume Set Functions Physical Drive Functions Raid System Functions U320 SCSI T arget Conf ig Ethernet Configuration Views S.
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.
Configuring 3-10 3.3 Menu Di agra m The f ollowing tree diagra m is a summary of the various configuration and set- ting functions that ca n be a ccessed through the LCD pa nel menus or the termi- nal monitor.
Configuring 3-11.
Configuring 3-12.
Configuring 3-13.
Configuring 3-14.
Configuring 3-15 3.4 W eb browser-ba sed Re mote RAID manage ment via R- Link ethernet port Configuration of the intern al RAID subsystem with re mote RAID ma nagement is a web browser-ba sed a pplication, which utilizes the browser in stalled on your oper- ating system.
Configuring 3-16 Individual Category Quick Create Raid Set Functions V olume Set Functions Physical Drive System Control Information De scription Create a RAID configuration, which is consist of the number of physical disk installed; it ca n modify the volume set Ca pa city , Raid Level, a nd Stripe Size.
Configuring 3-17 Configuration Procedure s Below are a few pra ctical exa mples of concrete configuration procedures. 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.
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 does not support 16byte CDB for 64bit LBA, vendor specific 12byte CDB is used for 64bit LBA support.
Configuring 3-19 3. 6 Raid Set Functions Use the Raid Set Function and V olume Set Function if you prefer to custom- ize 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.
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.
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.
Configuring 3-22 Migrating occurs when a disk is added to a raid 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. M igrating status is also displayed in the a ssociated volume status area of the volume set Information when a disk is added to a raid set.
Configuring 3-23 3.6.4 Activate Incomplete Raid Set When one of the disk drive is removed in power off state, the raid set state will change to Incomplete State. If user wants to continue to work, when the RAID subsystem is power on. User can use the Activate Raid Set option to active the raid set.
Configuring 3-24 Click on the Submit button in the screen to a ctivate the raid set that ha s removed one of disk drive in the power off state. The RAID subsystem will continue to work in degraded mode.
Configuring 3-25 3.6.5 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 clicking on the appropriate check box.
Configuring 3-26 3.6.7 Rescue Raid Set If you try to Rescue Missing RAID Set, please contact our engineer for assistance..
Configuring 3-27 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.
Configuring 3-28 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 15 chara cters limit. Raid Level: Set the RAID level for the V olume Set. Highlight Raid Level a nd press Enter .
Configuring 3-29 64bit LBA: the max. size 512TB, for U nix or Linux. Due to LSI53C1030T does not support 16byte CDB for 64bit LBA, vendor specific 12byte CDB is used for 64bit LBA support. The system may detect up to two tera bytes only . A patch driver is needed to enable the system to detect over two tera bytes.
Configuring 3-30 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.
Configuring 3-31 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.
Configuring 3-32.
Configuring 3-33 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.
Configuring 3-34 3.7.5 Check V olume Set T o check a volume set from a raid set: (1). Click on the Check V olume Set link. (2). Tick on the volume set from the list that you wish to check. Tick on Con- firm The Operation and click on the Submit button.
Configuring 3-35 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.
Configuring 3-36 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.
Configuring 3-37 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.
Configuring 3-38 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.
Configuring 3-39 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 and RAID configuration.
Configuring 3-40 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 and click on the U320 SCSI T arget Config . The Enabled option supports Quick Arbitration a nd Selection (QAS). QAS reduces the overhea d of control relea se on the SCSI bus from one device to another .
Configuring 3-41 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.
Configuring 3-42 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.
Configuring 3-43 3.9.5 SNMP Configuration The SNMP give s users independence from the proprietary network ma n agement 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 A N ma nage ment integration.
Configuring 3-44 3.9.6 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.
Configuring 3-45 3.9.7 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.
Configuring 3-46 3.9.8 Clear Events Buffer Use this feature to clear the entire events buffer information. 3.9.9 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.
Configuring 3-47 The password option allows user to set or clear the raid subsystem’s pass- word 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.
Configuring 3-48 3.10 Information Menu 3.10.1 RaidSet Hierarchy Use this feature to view the internal raid subsystem current raid set, current vol- ume set and physical disk configuration.
Configuring 3-49 Ite m Controller Board T emperature HDD T emperature Controller Fa n Speed Power Supply +12V Power Supply +5V Power Supply +3.3V DDR Supply V oltage +2.5V CPU Core V oltage +1.3V DDR T ermination Power +1.25V W arning Condition > 60 Celsius > 55 Celsius < 2600 RPM < 10.
Configuring 3-50 3.1 1 Cre ating a New RAID or Re configuring a n Existing RAID Y ou can conf igure raid sets a nd volume sets using Quick Cre ate or Raid Set Function s/V olume Set Functions conf iguration method. Ea ch configuration method requires a different level of user input.
Array Maintenance 4-1 Chapter 4 Array M ainten a nce This cha pter de scribes more inf ormation a bout your Dis k Array . The f ollowing items are de scribe s in detail. Me mory Upgra des Updating Firmware Hot Swa p Components 4.
Array Maintenance 4-2 4.1.1 Installing Memory Module: 1. U nscrew a nd pull out the controller Module. 2. U nscrew a nd take of f the cover of controller Module. 3 . Remove the DIMM Memory from the RAM socket. Then Press the me mory module firmly into socke, ma ke sure that all the conta cts are aligned with the socket.
Array Maintenance 4-3 4.2 Upgra ding the Firmware Upgrading Flash Firmware Programming Utility Since the RAID subsystem controller features flash firmware, it is not necessary to change the hardware flash chip in order to upgrade the RAID firmware. The user can simply re-program the old firmware through the RS-232 port.
Array Maintenance 4-4 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.
Array Maintenance 4-5 4. Select “ZMODEM modem” under Protocol. ZMODEM 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: “6160FIRM.
Array Maintenance 4-6 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:”.
Array Maintenance 4-7 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”.
Array Maintenance 4-8 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 Firm- ware link. The Upgrade The Raid System Firmware screen appears.
Array Maintenance 4-9 5. After the firmware upgrade is complete, a bar indicator will show “ Firmware Has Been Updated Successfully”.
Array Maintenance 4-10 4.3 Hot Swa p Components The disk array supports hot-swa ppable disk trays, power supply module s a nd cooling fa n unit. The following se ctions describe how to re move and in stall the “Hot-Swa p” parts without interrupting the data a ccess while the disk array is on.
Array Maintenance 4-11 2. Use the ha ndle to pull out the defective power supply . 3. Repla ce it with a 350W power supply . 4. Slide the new power supply in until it clicks into pla ce.
Array Maintenance 4-12 4.3.3 Re placing a Fa n 1. U nscrew the fa n holder . 2. Disconnect the fa n cable connects between the ba ckpla ne a nd the fa n. 3 . The fa ns are atta ched to the fan holder . Remove the screws on the cor- ners of the defective fa n.
T e chnical Spe cification A-1 Appendix A T e chnical Spe cification RAID processor RAID level Ca che memory No. of cha nnels (host+disk) Host bus interfa ce Data tra nsfer Ba ck Plane Board Hot swa p.
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