Infortrend SentinelRAID 170 320ML/sec SCSI-to-SCSI RAID Controller manual

SentinelRAID 170 320MB/sec SCSI-to-SCSI RAID Controller Installation and Hardware Reference Manual Version 1.1 (04, 2004) Printed in Taiwan[...]

Contact Information Asia Pacific (International Headquarter s) Infortrend Technology, Inc. 8F, No. 102 Chung-Shan Rd., Sec. 3 Chung-Ho City, Taipei Hsien, Taiwan Tel: +886-2-2226-0126 Fax: +886-2-2226-0020 sales@infortrend.com.tw support@infortrend.com.tw http://www.infortrend.com.tw Americas Infortrend Corporation 3150 Coronado Dr., Unit C Santa C[...]

Copyright 2004 This Edition First Published 2004 All rights reserved. This publication may not be reproduced, tran smitted, transcribed, stored in a retrieval system, or t ranslated in to any language o r computer language, in any form or by any means, electronic, m ech anical, magnetic, optical, chemical, manual or otherwise, without the prior wri[...]

Warnings and Certifications FCC (applies in the U.S. and Canada) This device complies with Part 15 of FCC Rule s. Operation of this device is subject to the following two cond itions: 1) this device may not cause harmful interference, and 2) this device must accept a ny interference recei ved, includi ng interference that may cause undesired operat[...]

Table of Contents CHAPTER 1: IN TRODU CTION ........................................................................................................ .... 1-1 1.1. P RODUCT O VERVIEW ................................................................................................................... 1-1 1.1.1 Product In troduction ....................[...]

CHAPTER 3: CONTROLLER MONITORI NG ................................................................................... 3-1 3.1. C ONTROLLER M ONITORING O VERVIEW ....................................................................................... 3-1 3.2. S TATUS - INDICATING LED S .................................................................[...]

A.4.1 RAID Level s Suppo rted ....................................................................................................... A-3 A.4.2 Controlle r Chassis ........................................................................................................ ....... A-3 APPENDIX B: HA RDWARE SPECIFIC ATIONS ...............................[...]

Safety Precautions Precautions and Instructions • Prior to powering on the controller, ensure that the correct power range is being used. • Ensure there is a sufficient coo ling airflow to maintain the temperature of the controller board. If the controller b oard overheats i t may be perm anently dam aged. • Be sure that the rack cabinet into[...]

Who should read this manual? This manual assumes that its readers are expe rienced with computer hardware installatio n and are familiar with RAID controllers. Related Documentation • Generic Operation Manual • RAIDWatch User’s Manual These two documents can be found in the CD incl uded with y our subsys tem package . Conventions Naming From [...]

Software and Firmware Updates Please contact your system vendor or visit Info rtrend’s FTP site (ftp.i nfortrend.c om.tw) for the latest softwa re or firmware updates. NOT E that the firm ware version installed on your system shoul d provide the complete functionality listed in the specification sheet/user’s m anual. We pr ovide special re visi[...]

Chapter 1: Introduction Produc t Overv iew 1-1 Chapter 1 Introduction 1.1. Product Overview 1.1.1 Product Introduction This hard ware manual briefly introduces the Sen tinelRAID 170 (SR 170) 320MB/secon d SCSI (SCSI-320) -to-S CSI RAID contr oller shown in Figure 1-1 . Figure 1-1: SentinelR AID SCSI-to-SCSI RAID Contr oller The SR 170 controller is[...]

SentinelRAID 170 Installation and Hard ware Reference Manual 1-2 Product O verv iew connects to a PC hyper-terminal that is used to configure th e con troller an d th e subsystem in which it is embedded. The LAN port enables the con troller to connect to the web- based RAID Watch™ m anagement prog ram that enables y ou to m anage your cont roller[...]

Chapter 1: Introduction SR Compone nts 1-3 Figure 1-2: SR Enclosure Canis ter Mounting Holes 1.2. SR Components 1.2.1 LCD Panel Figure 1-3: LCD Panel The LCD panel shown in Figure 1-3 consists of a 16x2 char acter LCD screen w ith two navigation butt ons (labeled as W V in Figure 1-3), three stat us-indicati ng LEDs ( POWER , BUSY and ATTEN ), an e[...]

SentinelRAID 170 Installation and Hard ware Reference Manual 1-4 SR Com ponents upgrade sockets allow for the installation of a daughter board that facilitates the addition of four SCSI -320 I/O c hannels. All I/O cha nnels (both base channel s and expansi on channels) can be configured as either host or drive channels. The controller board also co[...]

Chapter 1: Introduction SR Compone nts 1-5 Figure1-4: Controller Board (Front) 1.2.3 Interfaces The external interfaces (see Figure1-5 ) are all located at t he back of the controller board and are easily accessible at the rear of the c o ntroller enclosure. These i nterfaces include the SCSI-320 I/ O channel c onnectors, po wer cord sockets, RS -2[...]

SentinelRAID 170 Installation and Hard ware Reference Manual 1-6 SR Com ponents Connector Type Label Description SCSI-320 Connectors CH0, CH1, CH2 and CH3 68-pin VHDCI connectors that facilitate the connection of the SCSI-320 I/O channels to external devices. I 2 C Connector J3 I 2 C supports the monitoring of remote enclosure devices. Battery Conn[...]

Chapter 1: Introduction SR Accessory Items 1-7 1.3. SR Accessory Items The following items are not in stalled on the controller but c ome in the accessory box and can be used with the SR controller. 1.3.1 Serial Cable The IFT-95 12 RS-232C serial cable allows t he serial RS-232C serial com munications connector at the r ear of the board ( J2 ) to b[...]

SentinelRAID 170 Installation and Hard ware Reference Manual 1-8 Optional Items 1.4.2 SCSI Cables SCSI cables are required to connect the 68- pin connectors on the backplane to the SCSI- 320 drives an d SCSI-320 host s. When purchasi ng SCSI-320 cables, sel ect cables of the highest quality that are pro duced by a reputable manufactu rer. To ensure[...]

Chapter 1: Introduction Environm ental Requirem ents 1-9 Figure 1-6: IFT-9010D BBU Module Figure 1-7: IFT-9070D Batter y Charger Board 1.5.2 Daughter Board Expansion The installation of an optional da ughter board makes four additional SCSI-320 I/ O channels available. 1.6. Environmental Requirements When instal ling and running an SR controll er, [...]

SentinelRAID 170 Installation and Hard ware Reference Manual 1-10 SR Controller Monitoring 1.6.2 Cooling Requirements Proper SR controller cooling is req uired to ensure that the tem perature of the critical controller board compone nts does not exceed t he operational tem perature range. The main componen ts on the co ntroller board that can overh[...]

Chapter 1: Introduction SR Controller Monitoring 1-11 1.7.4 Audible Alarms The SR controllers come with audible alarms that will be triggered when certain active components fai l or whe n certain thres holds are excee ded. If you hear an audibl e alarm being emitted from the SR controller it is imperative that you determine and rectify the problem [...]

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Chapter 2: Installation Installation Overview 2-1 Chapter 2 Installation 2.1. Installation Overview CAUTION: Please note that the installation instru ction s described in this manual should be carefully followed. Fa ilure do to so may resu lt in damage to the system. 2.2. Installation Prerequisites 1. Static- free installation environment: The SR c[...]

SentinelRAID 170 Installation and Ha rdware Reference Manual 2-2 Hardware Installation Preparation ♦ Working surface: Provide a soft, clean surface on which to place your controller before working on it. Servicing on a rough surface m ay damage or scratch the enclosure. 2.3.2 Static-free Installation Static electrici ty can damage the electro nic[...]

Chapter 2: Installation Unpacking th e Controller 2-3 2.4.3 General Installation Procedure If the steps listed below are followed, the installation of the SR controller should be smooth and efficient. Detailed, illustrated in struc tions for each step are given in the following sections. CAUTION: To ensure that the system is co rrectly installed, p[...]

SentinelRAID 170 Installation and Ha rdware Reference Manual 2-4 Accessing the Controller B oard 2.6. Accessing the Controller Board 2.6.1 Overview WARNING: The controll er board is a very sensit ive component an d must therefore be handle d with extreme care. Before accessing the controller board, please ensure that all anti-static precautions pre[...]

Chapter 2: Installation Memory Module Installation 2-5 2.7. Memory Module Installation The SR controll er comes wi thout a DIMM mem ory module. It is therefore necessary for a separately p urchased DIMM module t o be installed. 2.7.1 Selecting the DIMMs When purchasing the DI MM modules, the following factors must be con sidered: ♦ Supported SDRA[...]

SentinelRAID 170 Installation and Ha rdware Reference Manual 2-6 Battery Backup Unit (B BU) Instal lation Figure 2-2: Install the DIMM M odule Step 3. Replace the chassis top cover . O nce the DIM M module has b een installed an d if no other i tems (e.g ., BBU m odule or expa nsion da ughter board) are bei ng installe d on the cont roller boa rd, [...]

Chapter 2: Installation Battery Backup U nit (BB U) Installat ion 2-7 ♦ During norm al use, an em pty cell pack ta kes about 20 hours to rec harge. ♦ Disconnect the BBU if there is a long stor age perio d before de ployment . Extreme storage condition s should be avoided (i.e., temperatur es <-20ºC or >65 ºC, relative humidit y >65%?[...]

SentinelRAID 170 Installation and Ha rdware Reference Manual 2-8 Battery Backup Unit (B BU) Inst allation Figure 2-4: Install the Bat tery Charger Board Step 4. Connect the BBU cable . The BBU cable can be connected to a white, 4- pin header on either the BBU charger board (see Figure 2-5 ) or at the back of the controller board (labeled J4) (see F[...]

Chapter 2: Installation Daughter Board Installation 2-9 Figure 2-6: Connect th e BBU to the Connec tor at the Back of the Controller Boar d Step 5. Replace the chassis top cover . O nce the battery charger board has been installed on the controller board, the chassis top cove r must be reinstalled. For further instructions on how to reinstall the c[...]

SentinelRAID 170 Installation and Ha rdware Reference Manual 2-10 Daughter Board Installation Figure 2-7: Install the Dau ghter Board Step 3. Insert the retention screws. Once the daughter boa rd has been mounte d on the board-to- board co nnectors, insert th e retention screws that came with the da ughter boa rd. (See Fi gure 2-8 ) Figure 2-8: Ins[...]

Chapter 3: Controller Monitoring Controller M onitorin g Overview 3-1 Chapter 3 Controller Monitoring 3.1. Controller Monitoring Overview The SR controller is equipped with a variet y of self-monitoring f eatures that help keep controller m anagers i nformed of t he controller ’s operatio nal status. These m onitoring features provi de vital fee [...]

SentinelRAID 170 Installation and Hardware Reference Manual 3-2 Status-indicating LEDs Controller monitoring is a necessary part of controller m anagement. If failure events or other disr uptive events are detected a nd reported, c ontrolle r managers m ust take the appropriate action to rectify the problem. Fa ilure to act in a properly specified [...]

Chapter 3: Controller Monitoring Audible Alarm 3-3 3.3. Audible Alarm Different controller e nvironm ental and operatio nal param eters (i.e., temperature, etc.) have been assign ed a range of values within which they can fluctuate. If either the upper or lower thresholds are exceeded, an audible alarm will automatically be triggered. The alarm wil[...]

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Chapter 4: Controller Connections and Opera tion SentinelRAID Connection 4-1 Chapter 4 Controller Connections and Operation 4.1. SentinelRAID Connection 4.1.1 I/O Channel Configuration All of the I/O channels can be co nfigured as either host channels or drive channels. No te that at least one I/O channel on the SR 17 0 contro ller must be configur[...]

SentinelRAID 170 Installation and Hardware Reference Manual 4-2 SR 170 Topologies 4.1.4 Drive Connection Each drive channel can be co nnected to up to fifteen SCS I-320 hard drives. The maximum number o f drives that can be connected to each cont roller is sh own in Table 4-2 below: Model Host Channels Drive Channe ls Maximum Number of Dri ves SR 1[...]

Chapter 4: Controller Connections and Opera tion SR 170 Topologies 4-3 Figure 4-1: Single Host Connection[...]

SentinelRAID 170 Installation and Hardware Reference Manual 4-4 SR 170 Topologies 4.2.2 Dual Host Connection In Figure 4-2 two channels (CH0 a nd CH1) are co nfigured as host channels and two channe ls (CH2 and CH3) are conf igured as dr ive chann els. The f irmware (F W) can be used to create LDs. These LDs m ust in turn be mappe d to the host cha[...]

Chapter 4: Controller Connections and Opera tion Controller Integration 4-5 4.2.3 Expansion The installat ion of an o ptional daught er board can expan d the number of avail able SCSI- 320 I/O channels by four. With the addition of the d aughter board, the SR 170 will then have eight SCSI-320 channels av ailable. Thes e exp ansion chann els are con[...]

SentinelRAID 170 Installation and Hardware Reference Manual 4-6 Other Co nnections NOTE: It is recommended to use the embedded terminators on host or drive channels by setting DIP switches, and then installing an external term inator on the other end of your SCSI cable. If a drive fails, data tra ffic will remain unaffected. Please note of the foll[...]

Chapter 4: Controller Connections and Opera tion Power On 4-7 (Red stri pe) 1 2 3 4 5 6 7 8 9 IFT-9512 cab le D u a l C O M P o r t 1 2 3 4 5 6 7 8 9 Host Comput er Connect to t he R S-232C port of the h ost computer Con troller COM 1 COM 2 IFT-9512 cab le IFT - 90 1 1 N u ll M o d e m RS-23 2 Ca ble Cust omer Prov id ed 1 1 2 2 Figure 4-5: RS-232C[...]

SentinelRAID 170 Installation and Hardware Reference Manual 4-8 Power On  Ambient temperature: All the controller com ponents have been acclimated to the surrounding temperature. 4.5.2 Power On Sequence When pow ering on the SR 170 cont roller, please follow these steps. 1. Power on the hard drives The SCSI-320 h ard drives t hat have been c onn[...]

Chapter 4: Controller Connections and Opera tion Power Off Procedu re 4-9 This screen appears after the initialization process. It clearly shows the model nam e. System is ready. You can now start to configure the controller. 4.6. Power Off Procedure If you wish to power down the SR c ontroller, please follow these steps: NOTE: If you wish to power[...]

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Chapter 5: Controller Maintenance Controller M aintena nce Overview 5-1 Chapter 5 Controller Maintenance 5.1. Controller Maintenance Overview 5.1.1 About Controller Maintenance Constant monitoring and maintenance of you r SR 170 controller will minimize downti me and preserve the working integrity of the con t roller for a longer period of time. If[...]

SentinelRAID Installation and Hardware Reference Manual 5-2 Replacing a fail ed DIM M M od ule ♦ When replacing any of the controller c o mponents, it is necessa ry to access the controller board in controller canister. It is recommended that all power to the controller canister is turn ed off when maintenance p rocedures are being carried out. ?[...]

Chapter 5: Controller Maintenance Replacing a failed DIM M M odul e 5-3 Step 4. Remove the optional BBU charger board . The BBU charg er board obstru cts the DIMM m odule and m ust therefore be rem oved. See Section 5.3.3 below. Step 5. Insert the new DIMM module . To install the replacement DIMM m odule, align it wit h the DIMM slot. Ne xt, gently[...]

SentinelRAID Installation and Hardware Reference Manual 5-4 Replacing a Fai led Optio nal BBU Modul e Step 7. Reinstall the optional BBU charger board . Once the new DIMM m odule is installed, if an optional BBU charg er board was previou sly removed it can now be reinstalled onto the controller bo ard. See Sectio n 5.3.3 below. Step 8. Reinstall t[...]

Chapter 5: Controller Maintenance Replacing a Fail ed Optional B BU Module 5-5 Figure 5-3: Disconnect t he BBU Connector fro m the Connector at the Back of the Contr oller Board. 5.3.2.2 Case 2: BBU Batter y Pack Connected to the Charger Board Connector on the Controller Board If the BBU battery pack is attached to th e connector on the BBU charger[...]

SentinelRAID Installation and Hardware Reference Manual 5-6 Daughter Board Maintenance Step 4. Replace the chassis top cover. Once the new B BU battery pack has bee n connected to the BBU charger boa rd, the chassis to p cover m ust be reinstall ed. For further instructions on how to reinstall the chassis top cov er, please refer to Section 2.6.2 .[...]

Chapter 5: Controller Maintenance Daughter Board Maintenance 5-7 the chassis. The com plete rem oval procedure i s describe d in Chapter 2 , Section 2.6.2 . Step 2. Remove the retention screws . The daughter bo ard is secured to the co ntroller board with three retention screws that pass through spacers mounted on the controller board. Remove these[...]

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Appendix A: SentinelRAID Features Overview A-1 Appendix A SentinelRAID Features A.1. Overview The SR controll er comes wi th many diffe rent features. S ome of these features enhance the performance of the controller or add configu ration flexibility while other features simplify the installation, maintenance procedures of the contro ller. This sec[...]

SentinelRAID 170 Installation and Hard ware Reference Manual Fault Tolerance A-2 A.2.5 Controller Architecture The controller is dev eloped from Infortrend's Pow erPC-500133 ASIC architecture, a third-generation, 64-bit controller design that efficiently eliminates internal bottlen ecks. The controlle r's high per formance deri ves from a[...]

Appendix A: SentinelRAID Features Functional Features A-3 A.4. Functional Features A.4.1 RAID Levels Supported The following RAID levels are supported : RAID 0, 1(0 +1), 3, 5, 10 , 30, 50, NRAID and JBOD. A.4.2 Controller Chassis The 5.25-inch profile of the con troller chassis allows it to be easily integrated in to an external subsystem enclosure[...]

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Appendix B: Hard ware Specifications Configuration B-1 Appendix B Hardware S pecifications B.1. Configuration Specification Feature RAID Levels 0, 1(0+1), 3, 5, 10, 30, 50, JBOD, and non-RAID disk spanning Host O/S Compatibility Host O/S in dependent SCSI Channels 4 on base module 8 (with the expansion daughterboard) Host Interface SCSI-320 Host Ch[...]

SentinelRAID 170 Instal lation and Hardware Reference Manual B-2 Controller Architecture B.2. Controller Architecture Specification Feature CPU PowerPC ® 750CXe 600MHz m icroprocessor SCSI Controllers LSI 53C1030T SCSI controller DIMM Slot One 168-pin DIMM m odule PC-133 Support Yes ASIC Infortrend 64-bit chipset Flash ROM 2MB NVRAM 32KB Hardware [...]

Appendix B: Hard ware Specifications Fault Tolerance B-3 B.4. Fault Tolerance Specification Feature Drive S.M.A.R.T. Support Yes (with user-configurable detect only, clone and replace, and perpet ual clone functions) Battery Back-up Option Y es SAF-TE Support Yes S.E.S. Support Yes ISEMS (Infortrend Simple Enclosure Management Service) via I 2 C In[...]

SentinelRAID 170 Instal lation and Hardware Reference Manual B-4 Software B.5. Software Specification Feature In-band Text RAID Manager Yes (all major platform s) RAIDWatch Manager Yes (for any platform that supports Java 2.0 or for Java Applet running via web browser) LAN/WAN Support via SNMP Yes Table B-5: Av ailable Software B.6. Technical Speci[...]

Appendix B: Hard ware Specifications Technical Specifications B-5 B.6.3 Controller Specifications Description Specification Cache mem ory At least 128MB, up t o 1GB, PC-133 SDRAM DIMM socket x 1 Firmware Resides in 2MB Flash m emory NVRAM 32KB Devices per Channel SCSI: up to 15 SCSI devices Supported Device Types Synchronous or asynchronous RAID Le[...]

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Appendix C: Hardware Troubleshooting Problem C-1 Appendix C Hardware T roubleshooting C.1. Problem ♦ LCD is off 1. Check the power connection on the control ler board and LCD panel. 2. Check that a mi nimum of 128MB SDRAM DIMM i s installed. ♦ 7-segment LED flashes "F" 1. The DIMM modul e is not installed y et. 2. The socket plug (loo[...]

SentinelRAID 170 Instal lation and Hardware Reference Manual C-2 Problem Parity error detected SDRAM DIMM should be replaced. Logical drive failure detected during boot-up Check proper installati on or connection of drives (use the "View and Edit SCSI driv es" fu nction to help locating the problem ). System i s not stable after running f[...]

Appendix C: Hardware Troubleshooting Problem C-3 All settings are too complex to reme mbe r. 1. After system installation is complete, write dow n all the settings and relat ed information usi ng Chapter 11 of your “Generic Operation M anual” for future reference. You may also save y our configuration data as a retrievable fil e (using TextRAID[...]

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Appendix D: Spare Parts and Accessories Spare Parts D-1 Appendix D Spare Parts and Accessories D.1. Spare Parts The following table lists the available spare parts for the SR 1700/2700 external controllers. Spare Part Part Number Description Daughter Board IFT- 9284U4A Expansion board with four additional SCSI-320 interfaces Table D-1: SR 170 Spare[...]

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Appendix E: Connectors and Jumper Identificat ion Controller Main Board Interfaces E-1 Appendix E Connectors and Jumper Identification E.1. Controller Main Board Interfaces Figure E-1: Jumper Locations[...]

SentinelRAID 170 Instal lation and Hardware Reference Manual E-2 Controller Main Board Interface Descriptions E.2. Controller Main Board Interface Descriptions Label Connector Name JP1 and JP13 Daughter board connectors JP6 and JP11 Battery charger board connect or JP2, JP3, and JP4 LED connectors JP5 Not Mask Interrupted (NMI) JP7 Reset JP8 Loop-b[...]

Appendix E: Connectors and Jumper Identificat ion LED Jumper Pin Outs E-3 E.3. LED Jumper Pin Outs E.3.1 JP 2 LED Pin Description Pin Description 1 Partner Failed 2 GND E.3.2 JP 3 LED Pin Description Pin Description 1 Ready 2 GND E.3.3 JP 4 LED Pin Description Pin Description 1 Not Ready 2 GND E.4. COM Port Pin Outs E.4.1 JP 16 RS-232C Port Pin Des[...]

SentinelRAID 170 Instal lation and Hardware Reference Manual E-4 J3 I2C Port E.4.2 JP 17 RS-232C Port Pin Description Pin Description 1 DCD2 6 DSR2 2 RXD2 7 RTS2 3 TXD2 8 C TS2 4 DTR2 9 RS232 RE SET 5 GND 10 N/C E.5. J3 I 2 C Port E.5.1 I 2 C Port Pin Outs Pin Pin Name 1I 2 CCLK 2 GND 3V C C 4I 2 CDATA E.5.2 I 2 C Connector Pin Name Descriptions Sy[...]

Appendix E: Connectors and Jumper Identificat ion J1 Battery C onnector E-5 E.6. J1 Battery Connector Pin Pin Name 1 VB (battery voltage +) 2 BAT-THM (battery temperature) 3 VBATTL (battery voltage -) 4 VBATTL (battery voltage -) E.7. TTL Device Parameters Symbol Parameter Rating Unit V IN Input voltage -0.5 to +7.0 V I IN Input current -30 to +5 m[...]

SentinelRAID 170 Instal lation and Hardware Reference Manual E-6 IFT- 9011 Null Modem E.8. IFT- 9011 Null Modem Swap pin-2 and pin-3 Swap pin-4 and pin-6 Swap pin-7 and pin-8 E.9. IFT-9012 RS-232C Extension Cable (Not included in kit) Extend the cable lengt h only, no wire swap[...]

INDEX Index I- -1 --A-- accessory box, 1-7 audible alarm , 1-11, 3-1, 3-3 automati c bad block assi gnment, A -2 --B-- background rebu ilding , A-2 base channels, 1 -4 battery char ger board, 1 -8, 2-6 battery connector, 1-2, 1-5 battery packs, 1- 8, 5-4 BBU charger boar d, 4-7 , 5-1 , 5-2, 5-4, 5-6 BBU module, 1- 2 , 1-8 , 2 -3 , 2-4, 2-6, 4-7, 5-[...]

SentinelRAID 170 Installation and Hard ware Reference Manual I- -2 Index I/O port cabling, 2-2 I2C bus, 1-10 I2C connector , 1-2 , 1 -5 , 3-3 I2C, 3-1 impedance, 4-1 installation p rocedure, 2-3 irreparabl e damage, 5-1 --J-- jumper setting, 4-6 jumpers, 1- 4 --L-- LAN port, 1-2 LCD panel, 1- 2, 1-3, 1-10, 3 -2, 5-1 LCD screen, 1-3, 2-4, 4-8 LED, 3[...]

Index Index I- -3 storage devices, 1-2 surface temperature, 2-6 --T -- temperature t hreshold, 3-1 terminal em ulation program, 1-10, 4-6 terminator, 4-5 top cover , 2-4 --U-- unique I D, 4-2 Unpacking List, 2 -1 , 2-3 unpacking, 2 -1, 2-3 user serviceable, 5-1 --V -- ventilation, 2-1 verify-after-write, A-2 VHDCI SCSI conn ector, 1-1 --W -- workin[...]

SentinelRAID 170 Installation and Hard ware Reference Manual I- -4 Index This page is intentionally left blank.[...]