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Inhaltsverzeichnis

Seite 1 - USER’S MANUAL

DO-0975-005 USER’S MANUAL

Seite 2

xSmartRAID V User’s ManualUsing Storage Manager Remotely ... 6-3Storage Mana

Seite 3 - VCCI Statement

5-16Software InstallationNOTE When you reboot several WARNING messages may appear andscroll off the screen quickly. These will not occur after“diskadd

Seite 4 - Limited Product Warranty

5-17Software InstallationNovell NetWareYou must follow the procedures in the following sections to installing aSmartRAID VI controller for Novell NetW

Seite 5

5-18Software InstallationNetWare 4.11 – Boot ControllerThis section describes how to install a SmartRAID VI controller as a bootdevice for NetWare 4.1

Seite 6 - Technical Support

5-19Software InstallationNetWare 4.11 – Secondary ControllerThis section describes how to integrate a DPT SmartRAID VI controllerinto a new or existin

Seite 7 - Table of Contents

5-20Software InstallationNetWare 4.2 – Boot ControllerThis procedure is for installing a SmartRAID VI controller as the bootdevice in a NetWare 4.2 se

Seite 8

5-21Software InstallationNetWare 4.2 – Secondary ControllerThis section describes how to integrate a DPT SmartRAID VI controllerinto a new or existing

Seite 9

5-22Software InstallationNetWare 5.0 – Boot ControllerUse the following procedure to install support for a SmartRAID VIcontroller during installation

Seite 10

5-23Software InstallationNetWare 5.0 – Secondary ControllerThis section describes how to integrate a DPT SmartRAID VI controllerinto a new or existing

Seite 11

5-24Software InstallationInstalling Remote Communication Support1. Insert the DPT NetWare diskette in the server’s floppy disk drive.2. Enter the foll

Seite 12

5-25Software InstallationRed Hat Linux 5.2 and 6.0These instructions are for installation of the DPT device driver for Linuxon a system using Red Hat

Seite 13

xiSmartRAID V User’s ManualHot Spares ...

Seite 14 - SmartRAID V User’s Manual

5-26Software Installation5. When prompted, insert the DPT driver diskette and press OK.6. You will be prompted for the language and keyboard type.7. Y

Seite 15 - Read This First!

5-27Software Installation4. When the download is complete, run the following command fromthe prompt:tar -xvf linsm218.tar5. After the file extraction

Seite 16 - About the Documentation

5-28Software Installation

Seite 17 - Installation Roadmap

6-1C HAPTER 6:Storage ManagerDPT’s Storage Manager gives you completecontrol over your storage subsystem. Youcan manage your storage locally, remotel

Seite 18

6-2Storage ManagerIntroductionDPT Storage Manager is included with your SmartRAID V controller. Thisutility performs several functions:• Checks hardwa

Seite 19 - What’s In the Box?

6-3Storage ManagerRunning Storage ManagerYou can run Storage Manager:• On the same computer that contains the DPT hardware andperipheral devices (loca

Seite 20 - Safety Information

6-4Storage ManagerStorage Manager on ROMStorage Manager on ROM (SMOR) is a ROM-based version of StorageManager which is provided on your SmartRAID V c

Seite 21 - Working with Electricity

6-5Storage ManagerThe Switch View button toggles between the Physical Configuration Viewand the Logical Configuration View window. Create Array Group

Seite 22

6-6Storage ManagerLogical Configuration ViewOn the right side of the Logical Configuration View window are all physicaldevices that are attached to DP

Seite 23 - About Your New Controller

6-7Storage ManagerLogical Device AddressEvery device and array is assigned a logical device address by StorageManager. This is the address used by the

Seite 24

xiiSmartRAID V User’s ManualSmartRAID V Architecture... 7-22AS

Seite 25 - Product List

6-8Storage ManagerDeviceThe unique ID for that device. For an array, this is the lowest ID amongthe drives that make up the array.LUNLogical Unit Numb

Seite 26 - Product Feature Overview

6-9Storage ManagerBuildingStatus flag: blue - This flag appears on an array iconwhen an array that was created is being built.Status flag: white - Thi

Seite 27

6-10Storage ManagerInformation WindowsDouble click on a controller or device icon to display an Informationwindow for that controller or device.Host B

Seite 28 - non-parity memory

6-11Storage ManagerBattery Backup ConfigurationNOTE During the initial calibration cycle for a BB4050 module, thecontroller disables automatic, low-ba

Seite 29 - transfer

6-12Storage ManagerClick the Defaults button to set the Battery Capacity Warnings to theirdefault values. Actual default values are calculated by the

Seite 30

6-13Storage ManagerBattery Maintenance (BB4050)IMPORTANTThe BB4050 module will not be able to provide backup capability during thisoperation.The Maint

Seite 31 - SM4050-64 64 MB ECC SIMM

6-14Storage ManagerSCSI IDDPT controllers are set at ID 7 by default. The ID fora SmartRAID V Fibre Channel controller can changedynamically as the Fi

Seite 32

6-15Storage ManagerButtons available are:Test Alarm – lets you test the audible alarm on the controller.Flash – displays the Flash Configuration dialo

Seite 33 - SmartRAID V Controller LEDs

6-16Storage ManagerThe current controller Model, Firmware Version and Type are displayed. Tospecify an image file for the flash operation, you can typ

Seite 34 - Cache Status LEDs

6-17Storage ManagerDevice Information WindowThis window displays the following information:Description The manufacturer and model.Revision The drive f

Seite 35 - Audible Alarm

xiiiSmartRAID V User’s ManualSpecifications ...C-1DC Power Require

Seite 36

6-18Storage ManagerVarious buttons are available depending upon the type of device. Diskdrive devices will have an Event Log and I/O Stats button. Dis

Seite 37 - C HAPTER 3:

6-19Storage ManagerPredictive caching is a feature of SmartRAID V controllers that attemptsto reduce average disk access time by determining when the

Seite 38 - Installation Overview

6-20Storage ManagerFrom the Logical Configuration View, you can double-click on an ArrayGroup icon to display the Array Group Information window. Info

Seite 39 - Configuration

6-21Storage ManagerThe Array Group Information window displays the following information:NameThe descriptive name assigned to the array. An icon in th

Seite 40 - Configuring SCSI Termination

6-22Storage ManagerCreating an Array GroupTo create an Array Group, do the following:1. Click the Create Array Group button.2. The Select Array Type d

Seite 41 - = Terminated

6-23Storage ManagerDuring the drive selection process some drives might be displayedin a blue color. This indicates that these drives cannot be includ

Seite 42 - Configuring Device IDs

6-24Storage ManagerIf you want to monitor the progress of the build operation, display theArray Group Information window for the new array group. The

Seite 43 - Installation

6-25Storage ManagerNOTE There is a significant impact on system performance duringarray expansion. The relative priorities given to systemperformance

Seite 44

6-26Storage ManagerNOTE If a drive fails during expansion, the expansion will completesuccessfully. However, the new, larger array will be in adegrade

Seite 45

6-27Storage Manager7. When you are finished choosing drives, click Done. The icon for theArray Group appears with a black flag until the expansion pro

Seite 46

xivSmartRAID V User’s Manual

Seite 47 - Installing SIMMs

6-28Storage ManagerDeleting an Array GroupTo delete an Array Group, do the following:1. From the Logical Configuration View window, select the LSU orA

Seite 48

6-29Storage ManagerEventsEvents are generated for detected fault conditions as well as subsystemstatus changes. The events are grouped into four categ

Seite 49 - Installing DIMMs

6-30Storage ManagerEvent LoggingWhen events occur, they are automatically logged in the cache on theSmartRAID V controller where they occurred. In add

Seite 50

6-31Storage ManagerEvent NotificationIf your operating system supports a Broadcaster, Storage Manager letsyou specify that event messages be sent to u

Seite 51 - Installing the Controller

6-32Storage ManagerYou can select or modify the following parameters:Time IntervalSpecified time interval at which point the Broadcaster will read the

Seite 52 - Controller IRQ and Address

6-33Storage ManagerPager Event MessagingDPT Storage Manager for Windows NT can also send event messages toalphanumeric paging devices. The messages ar

Seite 53 - NVRAM Reset

6-34Storage ManagerBroadcastersBroadcasters are provided on the DPT diskettes for Windows NT, SCOUNIX and SCO UnixWare. The Broadcaster collects event

Seite 54

6-35Storage ManagerBroadcaster for SCO UNIX SystemsDPT provides a Broadcaster for SCO UNIX 3.2V4.2, SCO OpenServer 5and SCO UnixWare 7. The Broadcaste

Seite 55

6-36Storage ManagerBroadcaster for Windows NTThe Windows NT Broadcaster collects events from DPT controllers andrecords them to files in the \DPTMGR d

Seite 56 - Shared SCSI bus*

6-37Storage ManagerThis window displays a list of the events submitted to the Application Logby the DPT Broadcaster, as well as other applications. Ev

Seite 57 - Storage Manager on ROM

1-1SmartRAID VDocumentationA chapter-by-chapter tour of thedocumentation set. This includesthe User’s Manual you arereading, a Quick Install Guideand

Seite 58 - Overview

6-38Storage ManagerFormatting DrivesSmartRAID V controllers can perform a low-level format on attachedfixed disk drives. This function is available fr

Seite 59 - Keyboard Reference

6-39Storage ManagerDrive FailuresDrive failures are indicated by flags on the icons associated with the ArrayGroup, array and individual drives. Failu

Seite 60 - Icon Reference

6-40Storage ManagerRebuilding a Degraded ArrayNOTE You can select Rebuild even if the failed drive has not beenreplaced and try using the drive again.

Seite 61 - Screen Layout

6-41Storage ManagerHot SparesTo assign a drive as a Hot Spare, click Make Hotspare in the drive’s SCSIDevice Information window. Click Remove Hotspare

Seite 62 - The Left Pane – Tree View

6-42Storage ManagerVerifyNOTE Data inconsistencies should not occur under normalconditions. However, a power failure that interrupts an arraywrite ope

Seite 63

6-43Storage ManagerBackground Task PriorityYou can run rebuild and verification operations without taking an arrayoffline. These functions are perform

Seite 64 - Running SMOR

6-44Storage ManagerI/O StatisticsSmartRAID V controllers keep a cumulative record of I/O operations incache RAM for use in analyzing the efficiency of

Seite 65 - O BIOS Settings

6-45Storage ManagerCommand StatisticsTotal CommandsThe total number of commands received fromthe host computer. This includes read andwrite commands a

Seite 66

6-46Storage ManagerI/O CommandsThe number of read and write commands issuedby the computer to the controller. If you use RAIDand caching, the number o

Seite 67 - Controller Information Tab

6-47Storage ManagerIf cache hits are low, adding more cache RAM can also increase the hitcount. Systems with a large number of disk writes also derive

Seite 68 - Attached Modules:

Read This First!1-2About the DocumentationThe complete documentation set for the SmartRAID V product lineconsists of three parts:• The User’s Manual

Seite 69 - HBA Configuration Tab

6-48Storage ManagerRemote CommunicationThe Storage Manager Remote Communication feature lets you useStorage Manager running on your local workstation

Seite 70

6-49Storage ManagerCommunicating Across a NetworkStorage Manager can run as a client/server application across a networkusing a TCP/IP connection. The

Seite 71 - Device Information

6-50Storage ManagerYou must configure Remote Communication before it can be used. Forboth workstations and servers, this is done by editing the DPTcon

Seite 72 - SCSI Capabilities

6-51Storage ManagerSetting up the ServerIf you are using an operating system that supports the DPTcommunication server and selected the Communication

Seite 73

6-52Storage ManagerSCO UNIXUnder SCO UNIX, a communication server entry is placed into the rc.dfiles, which causes it to be started when the system is

Seite 74 - Identification

6-53Storage ManagerConnecting to Remote SystemsSelect Communication–Make Connection to use Storage Manager tomanage DPT hardware in a remote server sy

Seite 75 - Setting the Configuration

6-54Storage ManagerMaking a Manual ConnectionUnder the Manual Connections section of the Available Connectionswindow, there is an icon the TCP/IP prot

Seite 76 - Array Operations

6-55Storage ManagerUsing the PhonebookYou can save the server name, address, user name and protocol ofsystems you frequently access in the Phonebook.

Seite 77

6-56Storage ManagerUsing a Custom ConnectionUnder the Custom Connections section of the Available Connectionswindow, there is one icon for each system

Seite 78 - Creating a Parity Group

7-1C HAPTER 7:Theory of OperationChapter Topics:• Intelligent RAID Controllers• Pipelined Parallel Processing• Caching Algorithms• RAID Levels• Contro

Seite 79 - Deleting an Array

1-3Read This First!Chapter 5, Software Installation – This chapter providesinstructions for installing DPT drivers and Storage Manager forall supporte

Seite 80 - Formatting a Drive

7-2Theory of OperationIntelligent RAID ControllersFile servers achieve maximum throughput when the performance of theircomponent subsystems is optimiz

Seite 81 - Upgrading Firmware

7-3Theory of OperationIntelligent I/OTo maximize the performance of a busy server requires a data storagesubsystem that incorporates intelligent I/O.

Seite 82

7-4Theory of OperationI2O and Intelligent RAID ControllersSeveral information technology industry leaders have formed a SpecialInterest Group (SIG) to

Seite 83

7-5Theory of OperationPipelined Parallel Processing (P3)Traditional RAID controller designs execute host commands sequentially.Each command initiates

Seite 84

7-6Theory of Operation• Hardware RAID Processor – DPT’s P3 architecture is based on a newDPT-exclusive ASIC. This specially designed integrated circui

Seite 85

7-7Theory of OperationSoftware and Hardware CachingThe SmartRAID V cache is designed to enhance performance inenvironments that are already software c

Seite 86 - Windows NT 4.0

7-8Theory of OperationHEAVILY LOADED SYSTEMWithout Hardware CacheApplication programs write to OS cache:Busactivity:OS cache flushes to disk (~11ms pe

Seite 87 - Installing a New System

7-9Theory of OperationDISK WRITESWithout Elevator Sorting:11ms averagedisk write3165271117934DISK WRITESWith Elevator Sorting:1-5ms averagedisk write3

Seite 88

7-10Theory of OperationFlush StrategyDPT SmartRAID V controllers continually flush all dirty cache pages todisk, with bursts occurring every second an

Seite 89 - Adding to an Existing System

7-11Theory of OperationPre-FetchThe SmartRAID V pre-fetch algorithm analyses disk access patterns todetect whether the host is reading data that it pr

Seite 90 - (Microsoft OSM)

Read This First!1-4Plug in RA4050 / SX405xPlug in cache memoryPlug in BB4050SeeChapter 3, Configuration and InstallationUsing RAIDstation?Fibre Channe

Seite 91

7-12Theory of OperationCaching Host ReadsBecause there is no advantage in using controller cache to duplicate theoperating system cache, SmartRAID V c

Seite 92 - DEVICE=DPTCDROM.SYS

7-13Theory of OperationRAIDThe basic idea of RAID (Redundant Array of Independent Disks) is tocombine multiple inexpensive disk drives into an array o

Seite 93 - (OEM SR2 – Version 950b)

7-14Theory of OperationSTRIPING DISK DRIVESData stripes from each driveare interleaved to create one logical drive.Disk 1 Disk 2 Disk 3 Disk 415913261

Seite 94

7-15Theory of OperationRAID 1, also known as disk mirroring, is simply a pair of disk drives thatstore duplicate data but appear to the computer as a

Seite 95 - 98 Configuration

7-16Theory of OperationRAID 3, as with RAID 2, sector-stripes data across groups of drives, butone drive in the group is dedicated to storing parity i

Seite 96 - (Upgrade Version)

7-17Theory of OperationRAID 5, sometimes called a Rotating Parity Array, avoids the writebottleneck caused by the single dedicated parity drive of RAI

Seite 97

7-18Theory of Operation In summary:• RAID 0 is the fastest and most efficient array type but offers no fault-tolerance. RAID 0 requires a minimum of t

Seite 98

7-19Theory of OperationCreating Data RedundancyRAID 5 offers improved storage efficiency over RAID 1 because only theparity information is stored, rat

Seite 99 - SCO UnixWare 7

7-20Theory of OperationRAID 5Updating Parity During WritesWRITE WRITEREAD READDATAPARITYXORXORThe cost of storing parity, rather than redundant data a

Seite 100

7-21Theory of OperationDegraded ModeWhen a drive fails in a RAID 0 array, the entire array fails. In a RAID 1array, a failed drive reduces read perfor

Seite 101 - Novell NetWare

1-5Read This First!What’s In the Box?All SmartRAID V controller kits include a controller, utility diskettes(containing drivers and the Storage Manage

Seite 102

7-22Theory of OperationSmartRAID V ArchitectureSmartRAID V controllers can process commands from the operatingsystem using two different protocols:• A

Seite 103

7-23Theory of OperationCommand ProcessingThe I2O messaging protocol is based on the existence of a messagingFIFO (first-in, first-out) queue and a rep

Seite 104 - NetWare 4.2 – Boot Controller

7-24Theory of OperationCommand QueuingI2O messaging allows the controller to queue multiple commands from thehost and execute them out of order for gr

Seite 105

7-25Theory of OperationPCI Data Transfer and Bus MasteringThe Peripheral Component Interconnect (PCI) bus provides a means tointerconnect peripheral c

Seite 106 - NetWare 5.0 – Boot Controller

7-26Theory of OperationOn-Board MicroprocessorSmartRAID V controllers use embedded processors to maximize theirperformance when installed in fully loa

Seite 107

7-27Theory of OperationLogical Unit Numbers (LUN)A SCSI device may contain up to eight sub-devices or Logical Units,assigned Logical Unit Numbers (LUN

Seite 108 - Red Hat Linux

7-28Theory of OperationTransfer Padding and Residue ReportingIn unusual cases, a SCSI peripheral device might read or write more datathan was requeste

Seite 109 - Red Hat Linux 6.1

7-29Theory of OperationMulti-Mode SCSITo ensure backward compatibility with existing SCSI devices, allSmartRAID V Ultra2 controllers support both LVD

Seite 110

7-30Theory of OperationThe original SCSI specification synchronous transfer rates of up to 5MHz.The SCSI-2 specification increased the maximum synchro

Seite 111 - ./dptmgr

7-31Theory of OperationBeware of capacitance changes. As devices are added to a SCSI bus,capacitance is introduced to each signal from the connectors,

Seite 112 - Software Installation

iiSmartRAID V User’s ManualCopyright © 1998, 1999 Distributed Processing Technology CorporationAll Rights Reserved – Printed in U.S.A.Storage Manager

Seite 113 - Storage Manager

Read This First!1-6Safety InformationThroughout this manual are various notices that indicate procedures orpractices that can result in loss of data,

Seite 114 - System Requirements

7-32Theory of OperationCabling Ultra2 (LVD) SCSIWhen the total length of a SCSI cable must exceed the maximum lengthfor single-ended buses, DPT recomm

Seite 115 - Running Storage Manager

7-33Theory of OperationSCSI TerminationSCSI termination for SmartRAID V controllers is controlled throughStorage Manager or SMOR. Refer to Chapter 3,

Seite 116 - Physical Configuration View

7-34Theory of OperationTERMPWRSCSI terminators need power to operate. SmartRAID V controllers alwayssupply power for their own onboard SCSI terminator

Seite 117

7-35Theory of OperationFibre Channel Arbitrated Loop (FC-AL)Fibre Channel is an industry standard set of protocols for informationtransfer using a ser

Seite 118 - Logical Configuration View

7-36Theory of OperationDPT I2O BIOSSmartRAID V controllers are shipped with the DPT I2O BIOS loaded onan EEPROM. This BIOS intercepts and processes In

Seite 119 - Logical Device Address

A-1A PPENDIX A:Assembly DrawingsThis chapter contains outline drawings ofDPT’s SmartRAID V products with jumpersand connectors labeled for easy refere

Seite 120

A-2Assembly DrawingsPM3755FSIMM 1SIMM 2SIMM 3SIMM 4J7J8J9P4P6pin-1P9pin-1IRQ12345678ECC ENECC ERRAudible AlarmP4 Pins 1-2 NVRAM ClearPins 3-4 Misc (Re

Seite 121

A-3Assembly DrawingsPM3755U2BJ7J8DIMM 1 & 2DIMM 3 & 4P4P6P9pin-1J10pin-1pin-1pin-1J11ECC ENECC ERRRUN LOADIRQ12345678J12Audible AlarmP4 Pins 1

Seite 122 - Information Windows

A-4Assembly DrawingsPM3754U2SIMM 1SIMM 2SIMM 3SIMM 4J48 7 6 5 4 3 2 1IRQECC ERRECC ENAudible AlarmP4P6pin-1J11pin-1J10pin-1P9pin-1P4 Pins 1-2 NVRAM Cl

Seite 123 - Battery Backup Configuration

A-5Assembly DrawingsPM1554U2, PM2554U2 and PM2654U2J78 7 6 5 4 3 2 1IRQP4P6pin-1P9RA4050 Module ConnectorJ10pin-1J11pin-1P4 Pins 1-2 NVRAM ClearPins

Seite 124 - Initial Calibration (BB4050)

1-7Read This First!Working with ElectricityAny device that uses electricity must be treated with caution. Follow theseguidelines to ensure general saf

Seite 125 - HBA Configuration

A-6Assembly DrawingsSX4054U2-1 Bus Expansion ModuleP5J2J3pin-1pin-1J2 Internal Ultra2 Wide SCSI Connector (Bus 1)J3 External Ultra2 Wide SCSI Connecto

Seite 126

A-7Assembly DrawingsSX4054U2-2 Bus Expansion ModuleP5J2J4J3J1pin-1 pin-1pin-1pin-1J1 External Ultra2 Wide SCSI Connector (Bus 2)J2 Internal Ultra2 Wid

Seite 127 - Flash Configuration

A-8Assembly DrawingsSX4055U2-1 Bus Expansion ModuleP5J2J3pin-1pin-1P3J2 Internal Wide Ultra2 SCSI Connector (Bus 1)J3 External Wide Ultra2 SCSI Connec

Seite 128

A-9Assembly DrawingsSX4055U2-2 Bus Expansion ModuleP5J2J4J3J1pin-1 pin-1pin-1pin-1P3J1 External Wide Ultra2 SCSI Connector (Bus 2)J2 Internal Wide Ult

Seite 129 - Device Information Window

A-10Assembly DrawingsSX4055F FC-AL Bus Expansion ModuleP5P3P2P2 Fibre Channel (FC-AL) Connector (Bus 1)P3 64-bit SmartRAID V Adapter ConnectorP5 Matin

Seite 130 - Caching Configuration

A-11Assembly DrawingsRA4050 RAID AcceleratorAudible AlarmSIMM 1SIMM 2SIMM 3SIMM 4ECC ENECC ERRDocking GuideDocking GuideDocking ConnectorJ1J1 Docking

Seite 131 - Array Groups

A-12Assembly DrawingsBB4050 Battery ModuleBoard shown without Stability BracketMounting HoleMounting HolesJ1P12TRICKLECHARGEStability Bracket mounting

Seite 132

B-1APPENDIX B:TroubleshootingThis chapter provides answers to manycommonly asked questions. If a situationoccurs that is not covered in this chapter,

Seite 133

B-2TroubleshootingProblem: When the DPT I2O BIOS displays the peripheral devices at system boot, adevice does not appear.Solution: The following condi

Seite 134 - Creating an Array Group

B-3TroubleshootingProblem: The controller does not respond and one of the following LED patternsoccurs at power-up:LEDs 6 and 7 alternating with LEDs

Seite 135

Read This First!1-8Preventing Electrostatic Discharge CAUTION Electrostatic discharge (ESD) can damage electroniccomponents and equipment. ESD occurs

Seite 136 - Dynamic Array Expansion

B-4TroubleshootingProblem: The controller does not respond and various LEDs in the 1–4 range flashonce per second.Solution: This pattern indicates an

Seite 137 - Requirements and Restrictions

B-5TroubleshootingProblem: The SmartRAID V controller I2O BIOS reports the drive as a disk insteadof a drive.Solution: This typically happens when a d

Seite 138 - Expanding an Array Group

B-6TroubleshootingProblem: After updating the SmartRAID V controller firmware or BIOS andrebooting, LEDs 1 and 5 or 2 and 5 flash once per second.Solu

Seite 139

B-7TroubleshootingProblem: After a flash ROM upgrade of the I2O BIOS only, pressing Ctrl+D at thesystem prompt displays the message Card not configura

Seite 141

C-1A PPENDIX C:SpecificationsThis chapter lists the electrical and environ-mental specifications for the SmartRAID Vproduct line.Specifications:• DC P

Seite 142 - Event Logging

C-2SpecificationsDC Power RequirementsVoltage: 5 V ± 5%Ripple and Noise: 50mv peak-to-peak maxComponent Current (typical)PM3754U2B 1.82APM3755U2B 1.90

Seite 143 - Event Notification

C-3SpecificationsEnvironmental SpecificationsAmbient Temp (operating): 10° C to 50° C10° C to 40° C (PM3755U2B with BB4050)Relative Humidity (operatin

Seite 144

C-4SpecificationsDIMMsDIMMs to be installed in SmartRAID V controllers must be DPT DM4050or DM4060 memory modules only. Use of non-DPT DIMMs can resul

Seite 145 - Pager Event Messaging

D-1A PPENDIX D:SNMPSimple Network Management Protocol(SNMP) is an industry-wide standardprotocol designed to allow you to re-motely manage your compu

Seite 146 - Broadcasters

2-1C HAPTER 2:About Your New ControllerFeature OverviewA look at the features common toSmartRAID V hardware.MillenniumSpecific features of our highper

Seite 147 - Viewing Events

D-2Simple Network Management ProtocolIntroductionSimple Network Management Protocol (SNMP) lets you obtainbasic DPT hardware configuration and status

Seite 148 - Broadcaster for Windows NT

D-3Simple Network Management ProtocolEvery system resource to be managed is represented as anobject and the MIB is a collection of these objects. In a

Seite 149

D-4Simple Network Management ProtocolRefer to the MIB itself for the exact contents of each of thesegroups. The following lists are the groups’ conten

Seite 150 - Formatting Drives

D-5Simple Network Management ProtocolDPT SCSI Device group is a list of SCSI Devices managed bythe DPT SCSI subsystem and represents the physicalconfi

Seite 151 - Drive Failures

D-6Simple Network Management ProtocolWhat’s IncludedThe DPT SNMP software components are included on thediskettes in the DPT controller package. Speci

Seite 152 - Rebuilding a Degraded Array

D-7Simple Network Management ProtocolOperating System SupportThe following table lists the environments in which DPThardware is manageable from an SNM

Seite 153 - Hot Spares

D-8Simple Network Management ProtocolInstalling SNMP for Microsoft Windows 95If your operating system is Windows 95, the SNMP Servicemust be installed

Seite 154

D-9Simple Network Management ProtocolOperationBefore you can view information about your DPT hardware,you must install the DPT Management Information

Seite 155 - Background Task Priority

D-10Simple Network Management ProtocolDPT SCSI Sub-AgentDPT EngineDPT DriverSNMP ManagementConsole SNMP Master AgentTCP/IPDPT Event LoggerSNMP TrapBro

Seite 156 - I/O Statistics

D-11Simple Network Management ProtocolDPT SNMP Trap Broadcaster ModuleThe SNMP Trap implementation uses the Broadcaster featureof the DPT Event Logger

Seite 157 - SCSI Bus Resets

2-2About Your New SmartRAID V ControllerIntroductionDPT SmartRAID V products incorporate the latest intelligent controllertechnology to deliver optimu

Seite 158

D-12Simple Network Management Protocol

Seite 159

G-1This glossary provides brief definitions ofselected terms and acronyms used through-out this manual.Glossary

Seite 160 - Remote Communication

G-2GlossaryAdapterSCSI Host Bus Adapter or HBAANSIAmerican National Standards Institute.Arbitrated LoopSee FC-AL.Array GroupA group of disk drives tha

Seite 161 - Client Workstations

G-3GlossaryControllerA device that controls the transfer of databetween a computer and a peripheral device.For example, disk drives, video displays,ke

Seite 162

G-4GlossaryEDO DRAMExtended Data Output DRAM. A type of RAMthat improves memory read performance onsystems that are designed to use EDO memory.Elevato

Seite 163 - Setting up the Server

G-5GlossaryHSSDCHigh Speed Serial Data Connector. The industrystandard modular connector used on FibreChannel controllers.I2OIntelligent I/O Architect

Seite 164 - SCO UNIX

G-6GlossaryMTBFMean Time Between Failure. The average timebetween expected failures of a device in a largesample group of devices.Multilevel RAIDA met

Seite 165 - Connecting to Remote Systems

G-7GlossarySAF-TESCSI Accessed Fault-Tolerant Enclosure. Aspecification (co-developed by nStorCorporation, Inc. and Intel Corp.) whichprovides a stand

Seite 166 - Making a Manual Connection

G-8GlossaryTerminationA method of matching the transmissionimpedance of an electrical bus so that signalreflections are minimized or eliminated.TERMPW

Seite 167 - Using the Phonebook

I-1IndexIndexAaddresscontroller 3-16, 4-13I2O BIOS 7-36logical device 6-7alarmaudible 2-13, 6-39disable 2-13, 6-39testing 6-15architecture, Smar

Seite 168 - Using a Custom Connection

2-3About Your New SmartRAID V ControllerProduct ListThe following SmartRAID V products and accessories are documented inthis manual:Model DescriptionP

Seite 169 - Theory of Operation

I-2Indexcachecaching host reads 7-12configuring 6-18, 7-6DIMM, installing 3-13DOS/Windows 3.1 setting 4-10flushing 7-7, 7-10operating system 7-7

Seite 170 - Intelligent RAID Controllers

I-3Indexevent notificationbroadcasters 6-34configuring 6-31NetWare 6-34pager messages 6-33SCO Unix 6-35SCO UnixWare 6-35SNMP D-11Windows NT 6-

Seite 171 - Benefits

I-4IndexInt 13, extended 4-10IRQ 3-16Kkeys, SMOR navigation 4-3LLEDbattery module 2-13, A-12cache status 2-12Century/Decade, location of A-5cont

Seite 172 - I O Split Driver Architecture

I-5IndexWindows 95/98 5-7Windows NT 5-2operating system services module (OSM)description of 7-22dynamic array expansion 6-25Microsoft Windows 5-2

Seite 173

I-6Indexdevices, number of 3-6differential 7-28LUNs 7-27LVD 7-28LVD cabling 7-32mixing LVD and non-LVD devices 7-29multi-mode 7-29residue repor

Seite 174 - Disk Caching

I-7Indexevent notification 6-31, 6-34NetWare 6-34SCO Unix 6-35SCO UnixWare 6-35Windows NT 6-36I/O statistics 6-44Linux installation 5-26modem o

Seite 176 - Elevator Sorting

2-4About Your New SmartRAID V ControllerProduct Feature OverviewAll SmartRAID V controllers include:• Support for I2O OSMs provided by major operating

Seite 177 - DISK WRITES

2-5About Your New SmartRAID V ControllerSmartRAID V Millennium FeaturesSmartRAID V Millennium products are high-performance RAIDcontrollers for host c

Seite 178 - Predictive Caching Algorithms

2-6About Your New SmartRAID V ControllerYou can use an SX405x Bus Expansion Module to expand a Millenniumcontroller with one or two additional SCSI ch

Seite 179 - Pre-Fetch

2-7About Your New SmartRAID V ControllerSmartRAID V Decade and Century FeaturesSmartRAID V Decade and Century controllers are designed to providehigh

Seite 180 - Caching Host Reads

iiiSmartRAID V User’s ManualFCC StatementWarning: Changes or modifications to this unit not expressly approved by theparty responsible for compliance

Seite 181 - Disk Striping

2-8About Your New SmartRAID V ControllerThe Century controller provides a single Ultra2 SCSI channel andsupports up to two additional channels with an

Seite 182 - Definition of RAID Levels

2-9About Your New SmartRAID V ControllerSX405x modules attach to the SmartRAID V controller and do not requirean additional slot in the host system:•

Seite 183 - Mirrored Arrays

2-10About Your New SmartRAID V ControllerBB4050 Battery Module FeaturesThe BB4050 Battery Module adds battery backup for the data cache on aSmartRAID

Seite 184 - Parallel Array with Parity

2-11About Your New SmartRAID V ControllerSmartRAID V Controller LEDsSmartRAID V controllers provide nine LEDs that let you visually monitorcontroller

Seite 185

2-12About Your New SmartRAID V ControllerLED Display During Controller ActiveWhen the power-up sequence is complete, viewing the LEDs can help youdete

Seite 186 - Dual-Level RAID

2-13About Your New SmartRAID V ControllerBB4050 LED IndicatorsThe BB4050 module has two LED indicators labeled CHARGE andTRICKLE. These LEDs indicate

Seite 187 - Creating Data Redundancy

2-14About Your New SmartRAID V Controller

Seite 188 - Handling I/O Errors

3-1Configure DevicesPrepare your SCSI peripherals foruse by setting their SCSI IDs andtermination. Fibre Channel disksand peripherals will configureth

Seite 189 - Degraded Mode

3-2Adapter Configuration and InstallationInstallation OverviewThe process of installing a SmartRAID V controller consists of thefollowing steps:1. If

Seite 190 - SmartRAID V Architecture

3-3Adapter Configuration and InstallationConfigurationDPT Fibre Channel controllers and attached Fibre Channel devices areplug-and-play and will confi

Seite 191 - Command Overlapping

ivSmartRAID V User’s ManualDistributed Processing TechnologyLimited Product WarrantyPROOF OF PURCHASE MAY BE REQUIRED. YOU MAY REGISTER YOUR PURCHASE

Seite 192 - Scatter/Gather

3-4Adapter Configuration and InstallationConfiguring SCSI TerminationThe devices on each physical end of a SCSI cable must be terminated.Depending upo

Seite 193

3-5Adapter Configuration and InstallationThe following illustrations show various SCSI cabling examples.Terminate your SCSI devices as shown in the ex

Seite 194 - SCSI Interface

3-6Adapter Configuration and InstallationConfiguring Device IDsThe SCSI specification allows up to 7 SCSI devices (and a controller) to beconnected to

Seite 195 - Disconnect/Reconnect

3-7Adapter Configuration and InstallationInstallationNOTE SmartRAID V Millennium controllers and Century or Decadecontrollers with an RA4050 module sh

Seite 196

3-8Adapter Configuration and InstallationInstalling the RA4050 RAID AcceleratorSmartRAID V Century controllers can be upgraded to support RAID 5,0+5 a

Seite 197 - SCSI Transfer Rate

3-9Adapter Configuration and InstallationInstalling an SX405x Bus Expansion ModuleSmartRAID V controllers accept the following Bus Expansion Modules:M

Seite 198 - Cabling Single-Ended SCSI

3-10Adapter Configuration and InstallationTo install an SX4054/SX4055 module:1. Remove the module mounting bracket from the end of the module.Keep the

Seite 199

3-11Adapter Configuration and InstallationInstalling SIMMsSmartRAID V PM3754U2 and PM3755F Millennium controllers support upto 256MB of cache using fo

Seite 200 - Cabling Ultra2 (LVD) SCSI

3-12Adapter Configuration and InstallationTo install SIMM modules:1. Install the SIMMs in the sockets as shown starting with socket 1.Refer to Appendi

Seite 201 - SCSI Termination

3-13Adapter Configuration and InstallationInstalling DIMMsIMPORTANTAll installed DIMMs must be the same type and capacity.At least one DIMM must be in

Seite 202

vSmartRAID V User’s ManualDistributed Processing TechnologyEnd-User Software License AgreementYou may (i) use the software on a single machine; (ii) m

Seite 203

3-14Adapter Configuration and InstallationInstalling the BB4050 Battery Backup ModuleThe BB4050 Battery Backup Module is used only on a PM3755U2BMille

Seite 204 - All Rights Reserved

3-15Adapter Configuration and InstallationInstalling the Controller1. Connect the computer’s disk activity LED cable to connector P6 onthe controller.

Seite 205 - Assembly Drawings

3-16Adapter Configuration and InstallationDetermining the Booting ControllerThe controller whose BIOS has the lowest address will take control overthe

Seite 206

3-17Adapter Configuration and InstallationNVRAM ResetSmartRAID V controllers retain their setup parameters even whenpowered off. These parameters are

Seite 207 - PM3755U2B

3-18Adapter Configuration and InstallationUsing Microsoft Cluster ServerThe information presented in this section is intended to help you configureSma

Seite 208 - PM3754U2

3-19Adapter Configuration and InstallationSystem RequirementsDPT SmartRAID V controllers include support for MSCS hostconfigurations. To use Microsoft

Seite 209

3-20Adapter Configuration and InstallationHow SmartRAID V Works with MSCSWhen MSCS is operating on a server cluster, the servers continuouslysend a he

Seite 210

4-1C HAPTER 4:Storage Manager on ROMStorage Manager on ROM (SMOR) is aBIOS-based setup utility that lets youconfigure your DPT SmartRAID V controllerw

Seite 211

4-2SMOROverviewTo configure your hardware and create disk arrays when StorageManager is not available, run Storage Manager on ROM (SMOR) duringthe sys

Seite 212

4-3SMORKeyboard ReferenceThe navigation keys work in a similar fashion to those of WindowsExplorer. Use these keys to move around in SMOR:Menu Control

Seite 213

viSmartRAID V User’s ManualRelease NotesTo review release notes and documentation errata associated with theSmartRAID V products, select Help–View REA

Seite 214

4-4SMORMenu ReferenceThe SMOR Main Menu changes dynamically depending on what isselected in the tree view. The following is a complete list of possibl

Seite 215 - RA4050 RAID Accelerator

4-5SMORScreen LayoutThe SMOR interface works like the Windows Explorer tree-structuredinterface. The screen is divided into three major components: a

Seite 216 - BB4050 Battery Module

4-6SMORThe Left Pane – Tree ViewThe Tree View, displayed in the left pane, is the central control for SMOR.This view displays a tree structure that re

Seite 217 - Troubleshooting

4-7SMORWithin the Information View, you select an item to configure by using theTab or Shift+Tab keys to move the highlight to the item. Items that ca

Seite 218

4-8SMORRunning SMORStart SMOR by pressing Ctrl+D when the DPT I2O BIOS message appearson the screen during the boot sequence.The letters that appear d

Seite 219 - 7, 6, 5, 3, 2, 1 Invalid

4-9SMORInformation/Configuration WindowsWhen you highlight an item within the Tree View, the correspondingInformation View is displayed.DPT I2O BIOS S

Seite 220 - Vector xx is private

4-10SMORBootable DevicesThese settings let you modify the system boot process for host systemswith multiple peripheral controllers in cases where the

Seite 221

4-11SMORController Information WindowsTo view or change the configuration of a DPT RAID Controller, highlightthe controller in the Tree View. Two tabs

Seite 222

4-12SMORHost Bus:Bus TypeTransferAlways PCI for SmartRAIDVHost PCI bus transfer rate.132 MB/sec for 32-bit PCI bus264 MB/sec for 64-bit PCI busAttache

Seite 223

4-13SMORHBA Configuration TabTo modify the hardware parameters for the highlighted SmartRAIDcontroller, press Alt+C to display the Configuration tab.S

Seite 224

viiSmartRAID V User’s ManualTable of ContentsFCC Statement ...

Seite 225 - Specifications

4-14SMORSCSI IDSmartRAID V controllers are configured by default at SCSI ID 7. Thisvalue should not be changed unless required for special configurati

Seite 226 - DC Power Requirements

4-15SMORDevice InformationIndividual devices are listed in the Tree View under the controller to whichthey are connected. Highlight a device to view

Seite 227 - Environmental Specifications

4-16SMORSCSI CapabilitiesThe capabilities section is a list of the capabilities defined in the SCSIspecifications. A checkmark indicates that the devi

Seite 228

4-17SMORArray and Array Group InformationSmartRAID V controllers implement RAID 0, 1 or 5 disk arrays inhardware. RAID 0 arrays are composed of any co

Seite 229 - A PPENDIX D:

4-18SMORIdentificationThe identification section displays a general description of the highlightedarray:DescriptionThe RAID level used for the array.R

Seite 230

4-19SMORBuildingThe array is being built.CreatedThe array or device is defined but notinitialized.DeadA write-back cache to the array commandfailed. T

Seite 231 - DPT MIB Information

4-20SMORArray OperationsYou can use SMOR to create or manage disk arrays. The followingsections describe how to use SMOR to create arrays and parity g

Seite 232

4-21SMORb. To remove a previously selected device from the array, highlightthe device and press the Spacebar.4. When you are finished selecting drives

Seite 233

4-22SMORCreating a Parity GroupCreating a parity group (RAID 0+1 or 0+5) is similar to creating a normalRAID 1 or RAID 5 array group. Do the following

Seite 234 - What’s Included

4-23SMORDeleting an ArrayTo delete an array, follow the steps below:1. In the left pane, highlight the array that you want to remove, thenselect RAID–

Seite 235 - Windows 95/98

viiiSmartRAID V User’s ManualConfiguring Device IDs ... 3-6

Seite 236

4-24SMORRebuilding a Failed ArrayIf a drive in a RAID 1 or RAID 5 array fails and the drive is not protectedby a Hot Spare, use the following procedur

Seite 237 - SNMP Software Overview

4-25SMORManaging Controller FirmwareSMOR includes several features that let you upgrade, save and restore thefirmware on your SmartRAID V controller.

Seite 238 - DPT SNMP Sub-Agent

4-26SMORDo the following to upgrade controller NVRAM, firmware, I2O BIOS, orSMOR utility:1. Place the diskette containing the image files in the diske

Seite 239

4-27SMORSaving Controller Firmware to a Disk ImageThis feature provides you with a way to save the current ROM softwareand NVRAM settings for your con

Seite 240

4-28SMORCreating a Firmware Disk ImageTo create the firmware backup diskette:1. Press Ctrl+D when the DPT I2O BIOS banner appears duringsystem startup

Seite 241 - Glossary

5-1C HAPTER 5:Software InstallationYour new SmartRAID V controller uses I2Odrivers that may be supplied by DPT or youroperating system vendor. This ch

Seite 242

5-2Software InstallationWindows NT 4.0The DPT SmartRAID V driver for Windows NT 4.0 provides support forboth disk drives and other SCSI devices, such

Seite 243

5-3Software InstallationThere are three driver installation scenarios for Windows NT 4.0:• Installing the SmartRAID V controller into a new system, th

Seite 244

5-4Software InstallationNOTE If a SmartRAID IV or SmartCache IV controller is installed,Windows NT mass storage detection routines will load anolder D

Seite 245

5-5Software InstallationUpgrading an Existing SystemNOTE If you have already installed a SmartRAID V controller intoyour system and want to change dri

Seite 246

ixSmartRAID V User’s ManualSaving Controller Firmware to a Disk Image ... 4-27Creating a F

Seite 247

5-6Software InstallationAdding to an Existing System(Microsoft OSM)NOTE If you use the Microsoft I2O OSM in place of the DPT miniportdriver, you will

Seite 248

5-7Software InstallationWindows 95/98The DPT SmartRAID V driver for Windows 95/98 provides support for bothdisk drives and other devices, such as CD-R

Seite 249

5-8Software Installation8. Remove the boot diskette from the floppy disk drive and reboot thesystem from the C: drive.9. Insert the Windows 98 Full In

Seite 250

5-9Software InstallationInstalling Windows 95(OEM SR2 – Version 950b)This section describes the steps to install Windows 95 (OEM SR2 Version)on one di

Seite 251

5-10Software InstallationContact your motherboard vendor and apply the patch. Afterthe patch is installed and the system is restarted, Windows 95will

Seite 252

5-11Software InstallationInstalling Windows 95(Retail Upgrade – Version 950a)SmartRAID V controllers are not supported by Windows 3.1, therefore anupg

Seite 253

5-12Software InstallationContact your motherboard vendor and apply the patch. Afterthe patch is installed and the system is restarted, Windows 95will

Seite 254

5-13Software InstallationInstalling Storage Manager for WindowsWhen the SmartRAID V controllers are properly recognized by Windows,run SETUP.EXE from

Seite 255

5-14Software InstallationSCO UNIXA diskette for SCO UNIX 3.2V4.2 and SCO UNIX OpenServer 5 (3.2V5.x) isincluded with your SmartRAID V controller. The

Seite 256

5-15Software Installation5. Continue the installation according to the SCO documentation.NOTE If you are installing from tape or CD-ROM, SCO UNIX 3.2V

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