Digital SF72 Owner's Manual

SF72 Storage Enclosureand SF200 Storage ArrayOwner’s ManualOrder Number EK–SF72S–OM–001Digital Equipment Corporation

Introduction 1–5SHR_X1123C_89Figure 1–2 SF72 Storage Enclosure

1–6 IntroductionThe SF72 storage enclosure has the following features:• The SF72 storage enclosure can operate in one of two modes:through-bus (descri

Introduction 1–7Table 1–2 SF72 Storage Enclosure SpecificationsCharacteristic SpecificationNumber of disk ISE positions 4 (RF72 disk ISEs)Formatted stor

1–8 IntroductionTable 1–2 (Cont.) SF72 Storage Enclosure SpecificationsCharacteristic SpecificationRecommended Environmental Limits3Nonoperating environ

2SF200 Storage Array Site PreparationThe SF200 storage array is intended for installation in a Class Acomputer room environment. It must be operated i

2–2 SF200 Storage Array Site PreparationDevice TypeDSSI ID #Node NameALLO_CLASSSF200 Box #System IDKFMSA XMI Node #Bus 1DSSI ID #Bus 2DSSI ID #Color C

SF200 Storage Array Site Preparation 2–3KFMSA XMI Node #Bus 1DSSI ID #Bus 2DSSI ID #Color Codeon CablesKFMSA/DSSI Dual-host Configuration SheetColor C

3SF72 Storage Enclosure OperationThis chapter contains the following information:• A description of the various bus modes and system configurations inw

3–2 SF72 Storage Enclosure OperationSYSA108-inchBC21Q-0970-inchSF200 I/OPORTMagazineSubsystemStorageEnclosureStorageEnclosureTapeSYSASF200 I/OPORTMaga

SF72 Storage Enclosure Operation 3–3SYSA108-inchBC21Q-0970-inchSF200 I/OPORTMagazineSubsystemStorageEnclosureTapeSYSASF200 I/OPORTMagazineSubsystemTap

First Edition, January 1991The information in this document is subject to change without notice and should notbe construed as a commitment by Digital

3–4 SF72 Storage Enclosure OperationTAPEISE0HOSTSYSTEM 1KFMSA7DISKISE1DISKISE2DISKISE3DISKISE4TTMDSSI BUS 0SF72-JK (THROUGH-BUS)SHR-X0110-90DSSITERMIN

SF72 Storage Enclosure Operation 3–5TAPEISE0HOSTSYSTEM 1KFMSA7DISKISE1DISKISE2DISKISE3DISKISE4TTMDSSI BUS 0SF72-JK (THROUGH-BUS)SF72-JK (SPLIT-BUS)TTM

3–6 SF72 Storage Enclosure OperationSHR-X0126A-90WriteProtectFaultDSSIIDWriteProtectReady FaultDSSIIDdigitalReadyOPERATOR CONTROL PANEL (OCP)FRONT COV

SF72 Storage Enclosure Operation 3–7Table 3–1 Summary of SF72 Front Panel Control/Indicator FunctionsControl/Indicator FunctionOperator Control PanelT

3–8 SF72 Storage Enclosure OperationColored labels on the inside of the door on the OCP help identify eachof the DSSI buses. In a single-host configura

SF72 Storage Enclosure Operation 3–9WriteProtectReady FaultDSSIIDWriteProtectReady FaultDSSIIDdigitalSHR_X1128B_8912Figure 3–6 SF72 Switchpacks

3–10 SF72 Storage Enclosure OperationTable 3–2 DSSI ID Switch Settings (Single-Host)Disk ISE SettingPositions 1, 2, 4, and 71Left Rear (LR)Left Front

SF72 Storage Enclosure Operation 3–11The four 7-segment LED displays on the front of the OCP display theseDSSI ID numbers. If a display is not lit, th

3–12 SF72 Storage Enclosure Operation3.2.2 Drive DC Power SwitchesFour drive dc power switches are on the lower front side of the SF72storage enclosur

SF72 Storage Enclosure Operation 3–13230115FAULTFAULTFAULT10SHR-X0127A-90DSSICONNECTORSPOWER SUPPLYFAULT INDICATOR(BEHIND PANEL)AC RECEPTACLE AC POWER

ContentsAbout This Manual v1 Introduction1.1 SF200 Storage Array Overview ... 1–11.2 SF72 Storage Enclosure Overview ...

3–14 SF72 Storage Enclosure OperationWARNINGHazardous voltages are present inside the equipment cabinet andthe SF72 enclosure. Installation and servic

SF72 Storage Enclosure Operation 3–153.4 Applying Power to the EnclosureThis section describes the correct procedure for powering up an SF72storage en

3–16 SF72 Storage Enclosure Operation3.5 Placing a Disk ISE On-LineAfter power is applied to the SF72 enclosure, use the following procedureto place a

4TroubleshootingThis chapter contains procedures a user can perform, before callingDigital Customer Services, to verify that a problem exists in the S

4–2 Troubleshooting230115FAULTFAULTFAULT10SHR-X0127A-90DSSICONNECTORSPOWER SUPPLYFAULT INDICATOR(BEHIND PANEL)AC RECEPTACLE AC POWERSWITCHLINE VOLTAGE

Troubleshooting 4–3SHR-X0126A-90WriteProtectFaultDSSIIDWriteProtectReady FaultDSSIIDdigitalReadyOPERATOR CONTROL PANEL (OCP)FRONT COVERCAPTIVE SCREWSD

4–4 Troubleshootinge. Verify that the line voltage selector switch on the rear panel of thepower supply is set to the correct line voltage. Refer to F

Troubleshooting 4–54.2 Recovering from a Disk ISE Fault ConditionThe RF72 disk ISE contains sophisticated circuits to detect and reportfault condition

GlossaryADAPTERA module that connects one or more device controllers to the host bus andhides many of the host bus requirements from the controller. T

Glossary–2DSSIDigital Storage System Interconnect. A DSA-based storage interconnectused by the KFMSA adapter and the RF- and TF-series integrated stor

iv Contents4 Troubleshooting4.1 Verifying a Hardware Problem ... 4–14.2 Recovering from a Disk ISE Fault Condition ...

Glossary–3NODE NAMEA 6-character (maximum) value that is assigned to each DSSI ISE. Thenode name of each ISE must be unique across the system topology

Glossary–4THROUGH-BUSA mode of operation where all the ISEs in an SF72 enclosure areconnected to the same DSSI bus. In this mode, the DSSI bus istermi

IndexAAC power switch, 3–14BBus mode indicator, 3–8CClearing a fault, 4–5Colored labelsdual-host, 3–8single-host, 3–8ConfigurationsSee SF72 storage enc

2 IndexOOCPcontrols and indicators, 3–57-segment displays, 3–11PPowering up, enclosure, 3–15Power supplyfault indicator, 3–14Power switchesdrive dc, 3

About This ManualThis manual is intended for users of the SF200 storage array and SF72storage enclosure. This manual will provide users with all the i

1Introduction1.1 SF200 Storage Array OverviewThe SF200 storage array is a storage rack cabinet designed to hold SF72storage enclosures and magazine ta

1–2 IntroductionSF200SHR_X1101_8912345601234560LEVEL 4LEVEL 3LEVEL 2LEVEL 1Figure 1–1 Front View of the SF200 Storage Array

Introduction 1–3Table 1–1 SF200 Storage Array SpecificationsCharacteristic SpecificationNumber of disk ISEs Minimum: 2, maximum: 24Formatted storage cap

1–4 IntroductionTable 1–1 (Cont.) SF200 Storage Array SpecificationsCharacteristic SpecificationRecommended Environmental Limits3Nonoperating environmen