Seagate CHEETAH ST19101FC User's Guide

Galaxy 55Installation and User GuideIssue 1.0November 29, 2000

Galaxy 55 User GuidexPrefaceWhat is in this guideThis user guide gives you step-by-step instructions on how to install, configure and connect the Sali

Introduction 1Chapter 1Introduction1.1 The Galaxy 55 System.1.2 The Enclosure Core ProductThe Galaxy 55 design concept is based on a subsystem togeth

Galaxy 55 User Guide2• An Enclosure System Interface/Operators Panel (ESI/Ops) plug-in module (see Figure 1–5).• Blank plates, as required to complete

Introduction31.2.2 Tower OptionAn optional tower kit is available, which can be fitted to the rack chassis described here. Separate documentation is p

Galaxy 55 User Guide4PSU voltage operating ranges are nominally 115V or 230V AC, selected by means of a switch on the front of the PSU, shown in Figur

Introduction51.3.2.1 Ops Panel Indicators and SwitchesThe Operator Panel includes Light Emitting diodes (LEDs) which show the status for all modules a

Galaxy 55 User Guide61.3.3 Loop Resiliency Circuit Input/Output Module (FC)The plug-in Input/Output (I/O) modules have been designed for integration i

Introduction71.3.3.1 SS-1x12-FC-IOThe SS-1x12-FC-IO Modules are fitted in bays 3/2 and 3/3. Each module includes DB9 connectors for FC-AL attachment,

Galaxy 55 User Guide81.3.4 Drive Carrier ModuleThe plug-in FC-AL drive carrier module has been designed for integration into a Galaxy 55 storage subsy

Introduction91.3.6 Blank Plates Blank plates must be fitted over all vacant bays at the rear of the enclosure as shown in Figure 1–14. There are three

NoticesThe information in this document is subject to change without notice.While every effort has been made to ensure that all information in this do

Galaxy 55 User Guide101.5 Galaxy 55 Technical Specification1.5.1 DimensionsRack EnclosureHeight 177mm, Width 446mm, Depth 586mmTower EnclosureHeight 5

Introduction111.5.4 Power Cord(minimum requirements)1.5.5 EnvironmentOperational & Peak Currents 6.5A @ 110V, 10.5A Peak @ 110V6.5A @ 110V, 10.5A

Galaxy 55 User Guide121.5.6 Interfaces1.5.7 FC-AL LRC I/O Module Specification1.5.8 Drive Carrier Module SpecificationDrive support See drive carrier

Introduction13The following disk drives have been qualified for use with the Galaxy 55 series enclosure:* () indicates recommended typeManufacturer Fa

Galaxy 55 User Guide14

Getting Started 15Chapter 2Getting Started2.1 Introduction In this chapter, you are shown how to install your Galaxy 55 Enclosure and plug-in modules

Galaxy 55 User Guide162.2.1 Enclosure Bay Numbering ConventionThe enclosure bay numbering convention is shown in Figure 2–1. A Bay is defined as the s

Getting Started172.3 Enclosure Installation Procedures Caution The Galaxy 55 Enclosure with all its component parts installed is too heavy for easy in

Galaxy 55 User Guide18A set of mounting rails is available for use in 19 inch rack cabinets. These rails have been designed and tested to handle the m

Getting Started19Warning Handle the module carefully and avoid damaging the connector pins. Do not install the module if any pins appear to be bent.3

ContentsiiiContentsInternational Standards ...

Galaxy 55 User Guide205 Hold the latch while pushing the module gently home into the bay, ensure that it is fully engaged and that the retention latch

Getting Started212.5.2 Disk Drive Auto/Manual Start Switch DIL switch 1 is provided to disable the auto spin start function.Caution If this switch is

Galaxy 55 User Guide222.5.4 Installation ProcedureCaution Check that the Ops panel keys are included with the module. If they cannot be accounted for

Getting Started232.6 FC-AL I/O Module ConfigurationsImportant Please refer to section 2.10 for information on FCAL drive configurations.2.6.1 FC-AL In

Galaxy 55 User Guide242.6.3 2 x 6 Drive Dual Loop Structure with 2 x SS-2x6-FC-DC-IO Modules InstalledThe 2 x 6 drive dual loop internal connection st

Getting Started252.6.3.1 FC-AL Physical OrganizationFigure 2–13 shows the two FC-AL loops, these are each routed through independent LRC I/O cards fit

Galaxy 55 User Guide26Standard DB9 FC-AL cables are used to link the Tx connector on one enclosure to the Tx/Rx connector of the next and so on for th

Getting Started272.8 LRC I/O Module Installation2.8.1 Part Check List• LRC I/O ModuleImportant Please check that you have received the correct I/O mod

Galaxy 55 User Guide28Note Removal is achieved by pushing the latch to the right and pulling the module out. 2.9 Select ID and AL_PAThe Select ID of e

Getting Started29Values”, on page 49. Alternatively a device may use a Soft Address such that its AL_PA is dynamically allocated during loop initializ

ivGalaxy 55 User Guide2.3.2 Rack Mounting Rail Kit ...

Galaxy 55 User Guide302.11 Drive Carrier Installation2.11.1 Parts Check List• Drive module or Front Dummy Fascia2.11.2 Procedure1 Release the carrier

Getting Started31Note Removal Is the reverse of this procedure (press on the indentation to release the latch).Important Ensure that all plug-in modul

Galaxy 55 User Guide322.12 Engaging the Anti-tamper LocksThe Anti-tamper locks are fitted in the drive carrier handles and are operated through the sm

Getting Started33Warning Operation of the enclosure with ANY blank plates or rear modules missing will disrupt the airflow and the drives will not rec

Galaxy 55 User Guide342.15 Grounding ChecksPerform these checks to ensure that a safe grounding system is provided.• If a rack distribution system is

Operation 35Chapter 3Operation3.1 Before You BeginBefore powering up the enclosure please ensure that all the modules are firmly seated in their corr

Galaxy 55 User Guide36Notes 1 All LEDs on the Ops panel should be lit Green at power up to indicate that the system is functioning correctly. (The UPS

Operation37• Under Normal conditions the LEDs should all be illuminated constant GREEN• If a problem is detected the ESI processor will change the col

Galaxy 55 User Guide38

Troubleshooting 39Chapter 4Troubleshooting and Problem Solving4.1 Overview The Galaxy 55 Enclosure includes a processor and associated monitoring and

Contentsv4.3 Audible Alarm ...

Galaxy 55 User Guide406 Check the I/O module setup as follows:– Check that the I/O module has been correctly installed and all external links and cabl

Troubleshooting414.4 Test ModeA Test Mode is available whenever there are no faults present within the sub-system. In this mode the Amber and Green LE

Galaxy 55 User Guide424.5.2 Power Supply/Cooling Faults4.5.3 Thermal ControlThe Galaxy 55 Enclosure uses extensive thermal monitoring and takes a numb

Troubleshooting434.5.4 Thermal Alarm4.5.5 Thermal ShutdownSymptom Cause Action1 Operator Panel Power Supply/Cooling LED AMBER (~ and Fan Symbol).2 An

Galaxy 55 User Guide444.5.6 Power Supply/Cooling Module Detection4.6 FC-AL Drive Carrier Module FaultsDisk drive status is monitored by a Green LED an

Troubleshooting454.7 Dealing with Hardware FaultsEnsure that you have obtained a replacement module of the same type before removing any faulty module

Galaxy 55 User Guide464.9.1.2 Inserting the Module1 Push the replacement module gently home into the bay, ensure that it is fully engaged and that the

Troubleshooting474.9.2 ESI/Ops Panel Module4.9.2.1 Removing the ModuleImportant This module is designed for Hot Plug replacement. In order to ensure t

Galaxy 55 User Guide484.9.4 Drive Carrier ModulePlease see section 2.11, ”Drive Carrier Installation”, on page 30 for information on the initial insta

AL_PA Values 49Appendix AArbitrated Loop Physical Address (AL_PA) ValuesIndicates AL_PAs selectable within Galaxy 55.Table A–1 AL_PA ValuesAL_PA (hex

viGalaxy 55 User Guide

Galaxy 55 User Guide50C9 14 20 73 3F 63 2C 6A 106C7 15 21 72 40 64 2B 6B 107C6 16 22 71 41 65 2A 6C 108C5 17 23 6E 42 66 29 6D 109C3 18 24 6D 43 67 27

Glossary51GlossaryIn glossary definitions, italics are used for items defined elsewhere in the glossary and bold is used for the items shown in bracke

Galaxy 55 User Guide52Hot swap Hot swapping is the term used for manually swapping a failed disk unit with a replacement while the Galaxy 55 subsyst

Index53IndexaAC Mains 43AL_PA 21, 22, 26, 28, 29Alarm Mute push-button 9, 40ANSI SCSI-3 SES 22Anti-tamper lock 9, 32Arbitrated Loop - Physical Address

Galaxy 55 User Guide54pPBC 23, 24plug-in module 1, 2, 3, 15Port Bypass 25Port Bypass Circuits 6, 23, 24Power 4power cord 33, 45, 46, 48Power Supply/Co

PrefaceviiInternational StandardsThe Galaxy 55 series storage system complies with the requirements of the following agencies and standards:• CE to IE

Galaxy 55 User Guideviii• A trifurcated power cord, as supplied with the Galaxy 55 system, must be used in order to safely provide a single power disc

PrefaceixData Security• Power down your host computer and all attached peripheral devices before beginning installation.• Each enclosure contains up t