Digital Equipment Corporation Storage Works Guia do Utilizador

StorageWorksFamilyUser’sGuideOrder Number: EK–BA350–UG. C01This publication is part of the basic StorageWorks family documentationset. It describes th

Table 1 (Cont.) StorageWorks Related DocumentationDocument Title Order NumberStorage DevicesRZ Series Disk Drive Installation Guide EK–DRZ01–IGRZ Seri

Manufacturer’s DeclarationsThe following statements are applicable to the StorageWorks product line:CAUTIONThis is a class A product. In a domestic en

Acoustic Noise DeclarationBA350–SA StorageWorks Building Block ShelfFebruary 1, 1993Acoustics - Preliminary Declared Values per ISO 9296 and ISO 7779S

BA350–SA StorageWorks Building Block ShelfFebruary 1, 1993Schallemissionswerte - Vorläufige Werteangaben nachISO 9296 und ISO 7779/DIN EN27779Schalleis

Für Bundesrepublik DeutschlandFor Federal Republic of GermanyPour la République féderale d’AllemagneHochfrequenzgerätezulassung und Betriebsgenehmigun

1IntroductionThe StorageWorks Family User’s Guide and StorageWorks Family ConfigurationGuide comprise the basic StorageWorks documentation set. These m

Introduction1.2 SBB Shelf Description1.2 SBB Shelf DescriptionThe SBB shelf shown in Figure 1–1 can be used in several different cabinet andorientatio

Introduction1.2 SBB Shelf DescriptionFigure 1–2 Shelf BlowersBLOWER 1CXO-3847A-PHBLOWER 2Introduction 1–3

2StorageWorks Status ReportingEach StorageWorks shelf identifies error conditions or failures caused by themajor shelf components, such as blowers, pow

October 1993While Digital believes the information included in this publication is correct as of the date ofpublication, it is subject to change witho

StorageWorks Status Reporting2.1 Shelf Status2.1 Shelf StatusThe StorageWorks shelf power supply provides dc power, and the blowers providecooling for

StorageWorks Status Reporting2.1 Shelf Status2.1.2 Processing the SHELF_OK SignalTo ensure that the shelf is properly configured so that a controller c

StorageWorks Status Reporting2.1 Shelf Status2.1.3 Backplane SHELF_OK JumperAs shown in Figure 2–1, the SHELF_OK connector (J17), located on thebackpl

StorageWorks Status Reporting2.1 Shelf StatusTable 2–1 SHELF_OK Backplane JumpersController ConditionW1Position CommentsThe SCSI controller cannot pro

StorageWorks Status Reporting2.1 Shelf Status2.1.4 Terminator Board and Jumper Board SHELF_OK JumpersThe rules for installing jumper W1 on both the te

StorageWorks Status Reporting2.1 Shelf Status• Install jumper W1 as shown in Figure 2–3 when you are positive that the hostor the controller can proce

StorageWorks Status Reporting2.2 Shelf Status and Power Supply Status2.2 Shelf Status and Power Supply StatusThe status of both the shelf blowers and

StorageWorks Status Reporting2.2 Shelf Status and Power Supply StatusNoteWhen a shelf has two power supplies, you must observe the LEDs on bothpower s

StorageWorks Status Reporting2.3 Storage SBB Status2.3 Storage SBB StatusStorageWorks shelves monitor the status of the storage SBBs. When a faultoccu

StorageWorks Status Reporting2.3 Storage SBB StatusTable 2–4 defines the valid states for these LEDs.Table 2–4 Storage SBB Status LEDsLED Status Indica

ContentsPreface ... viiManufacturer’s Declarations ...

StorageWorks Status Reporting2.4 BBU Status2.4 BBU StatusThe LEDs shown in Figure 2–6 display the status of the BBU.• The upper LED (green) is the BBU

3StorageWorks Replacement ProceduresThis chapter describes the detailed procedures for replacing SBB and blowers andthe general procedures for replaci

StorageWorks Replacement Procedures3.1 Replacing a Storage Device or a Power Unit• Use the hot-swap method to replace power supplies only when there a

StorageWorks Replacement Procedures3.1 Replacing a Storage Device or a Power UnitFigure 3–1 Removing an SBB from the ShelfCXO-3611B-PHStorageWorks Rep

StorageWorks Replacement Procedures3.2 Replacing a Blower3.2 Replacing a BlowerNoteThese procedures do not apply to the BA350–LA SBB shelf.Each Storag

StorageWorks Replacement Procedures3.2 Replacing a BlowerFigure 3–2 Replacing BlowersGUIDECONNECTORPHILLIPSSCREWMOUNTINGTABBLOWERCXO-3659A-PH3.3 Rep

StorageWorks Replacement Procedures3.3 Replacing a StorageWorks Shelf3.3.1 Removing a ShelfAll shelves, except those mounted in a deskside expansion u

4PowerThis chapter describes the StorageWorks power units and power configurationrules. All of the StorageWorks power units are mounted in a 3½-inch SB

Power4.2 Power Specifications4.2 Power SpecificationsTables 4–1 through 4–3 describe the StorageWorks power units, dc powerrequirements, and the maximum

Power4.2 Power SpecificationsTable 4–3 Maximum Available PowerShelf Type +5 Vdc +12 VdcSBB Shelf 28.0 W 81.6 WController and SBB Shelf 26.4 W 75.0 W4.3

5 StorageWorks SCSI Buses5.1 Assigning Device Addresses . . . ... 5–25.2 SCSI Bus Length and Termination ...

Power4.4 Battery Backup Units4.4 Battery Backup UnitsThe LEDs on the BBU (see Figure 4–2) display the status of the BBU. TheseLEDs are controlled by i

Power4.5 Power Supply Replacement4.5 Power Supply ReplacementThe input power for each ac and dc power supply is controlled by a switch on thecable dis

Power4.5 Power Supply Replacement4.5.2 Replacing a BBUWARNINGAlways use both hands when removing or replacing an SBB, to fullysupport its weight.To re

5StorageWorks SCSI BusesThis chapter describes the StorageWorks building block (SBB) shelf SCSI buses,including bus lengths, terminators, jumpers, and

StorageWorks SCSI Buses5.1 Assigning Device Addresses5.1 Assigning Device AddressesUse the following rules and procedures to assign device addresses t

StorageWorks SCSI Buses5.1 Assigning Device AddressesFigure 5–2 SBB Device Address Switches3 1/2" TAPE DRIVESBB5 1/4" SBBOFF ON123456CXO-363

StorageWorks SCSI Buses5.2 SCSI Bus Length and Termination5.2 SCSI Bus Length and TerminationTwo important considerations for all SCSI buses are bus t

StorageWorks SCSI Buses5.3 SBB Shelf SCSI Bus Configurations5.3 SBB Shelf SCSI Bus ConfigurationsPrior to shipment, the SBB shelf SCSI buses are configur

StorageWorks SCSI Buses5.3 SBB Shelf SCSI Bus ConfigurationsTable 5–3 (Cont.) StorageWorks Bus LengthsShelf Bus Input Slot 1 Slot 5 Meters FeetTwo Adja

StorageWorks SCSI Buses5.4 SBB Shelf with a Single SCSI Bus5.4 SBB Shelf with a Single SCSI BusUse the following procedure to configure a single SBB sh

6–1 Typical SCSI Bus Signal Converter End-Bus Cabling ... 6–36–2 End-Bus DWZZA Bus Terminators ... 6–76–3 H885–A Tri

StorageWorks SCSI Buses5.5 SBB Shelf with Two SCSI Buses5.5 SBB Shelf with Two SCSI BusesUse the following procedure to configure an SBB shelf for two

StorageWorks SCSI Buses5.6 Multiple SBB Shelves with a Single SCSI Bus5.6 Multiple SBB Shelves with a Single SCSI BusUse the following procedure to co

6SCSI Bus Signal ConvertersNoteThe discussion of the DWZZA-series SCSI bus signal convertersin this chapter is limited to the models, applications, ca

SCSI Bus Signal Converters6.1 DWZZA Description6.1 DWZZA DescriptionThe following is a list of the features and functions of the DWZZA SCSI bussignal

SCSI Bus Signal Converters6.2 Installing SCSI Bus Signal ConvertersFigure 6–1 Typical SCSI Bus Signal Converter End-Bus CablingSBBSHELFSINGLE-ENDEDCAB

SCSI Bus Signal Converters6.2 Installing SCSI Bus Signal ConvertersTable 6–1 lists the maximum bus lengths using the end-bus configuration for allDWZZA

SCSI Bus Signal Converters6.2 Installing SCSI Bus Signal ConvertersNoteMaximum SCSI bus length is not the same as maximum cable length.The longest Sto

SCSI Bus Signal Converters6.4 Terminating SCSI Buses6.4 Terminating SCSI BusesAll SCSI buses are terminated at the physical ends of the bus or cable.

SCSI Bus Signal Converters6.4 Terminating SCSI BusesFigure 6–2 End-Bus DWZZA Bus TerminatorsSINGLE-ENDEDSCSI-2 TERMINATIONDIFFERENTIALTERMINATORRES

SCSI Bus Signal Converters6.4 Terminating SCSI Buses6.4.2 Mid-Bus SCSI Bus Signal Converter TerminatorsThe SBB shelf SCSI bus signal converter, a DWZZ

SCSI Bus Signal Converters6.4 Terminating SCSI BusesFigure 6–4 Mid-Bus DWZZA Bus TerminatorsSINGLE-ENDEDSCSI-2 TERMINATIONDIFFERENTIALTERMINATORRESIST

SCSI Bus Signal Converters6.4 Terminating SCSI BusesFigure 6–5 Mid-Bus DWZZA CablingDWZZA-VAMID-BUSPOSITIONDWZZA-VASBBSHELFSBBSHELFEND-BUSPOSITIONCXO-

AStorageWorks Product SpecificationsThis appendix chapter describes the physical and environmental specifications forthe StorageWorks products. See the

StorageWorks Product SpecificationsA.3 Physical SpecificationsA.3 Physical SpecificationsTable A–2 lists the physical specifications of the cabinets, Stor

StorageWorks Product SpecificationsA.4 Environmental SpecificationsA.4 Environmental SpecificationsThe StorageWorks product line environmental specificati

StorageWorks Product SpecificationsA.5 Environmental StabilizationA.5 Environmental StabilizationTo ensure proper operation of Digital storage devices,

Glossaryac distributionThe method of distributing ac power in a cabinet.adapterSee SCSI signal bus converter.ANSIAmerican National Standards Institute

controller and SBB shelfA generic reference to a StorageWorks shelf that can contain both controller SBBsand storage SBBs, for example, a BA350–EA she

hot-swapA method of device replacement whereby the complete system remains on lineand active during device removal or insertion. The device being remo

PrefaceThe StorageWorks Family User’s Guide introduces the StorageWorks™ systemand the elements common to the shelves, StorageWorks building blocks (S

SCSI device-side device addressThe eight device addresses (target IDs) assigned to the SCSI controller and thedevices it controls.See also SCSI host-s

target IDSee SCSI device ID.warm-swapA method of device replacement whereby the complete system remains on lineduring device removal or insertion. Act

IndexBBA35X–HA power supplyspecifications, A–1BA35X–HB power supplyspecifications, A–1Battery backup unitSee BBUBBUreplacing, 4–6Blowersreplacing, 3–4CC

SCSI bus configuration, two busesprocedure, 5–8SCSI bus signal converters, 6–1SCSI cablesused with DWZZA–VA SCSI bus signalconverter, 6–5Shelfreplaceme

StructureThis manual is organized as follows:Chapter 1 Describes the StorageWorks product line.Chapter 2 Describes how the shelf and the device status

Table 1 (Cont.) StorageWorks Related DocumentationDocument Title Order NumberStorageWorks RAID Array 110 SubsystemStorageWorks RAID Array 110 Utility