Sun Microsystems A3500FC manual Two Controller Modules Daisy-Chained to One Host

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1.2.2Two Controller Modules Daisy-Chained to One Host

FIGURE 1-2shows two StorEdge A3500 controller modules daisy-chained with SCSI cables to one host. You can daisy-chain controller modules in the same or separate cabinets.

Host

StorEdge A3500 Controller Modules

Differential SCSI terminators

SCSI cables

FIGURE 1-2Two Controller Modules Daisy-Chained to One Host

Note –The SCSI cables between the two controller modules are crossed to prevent the SCSI IDs for the controllers from conflicting.

1-4Sun StorEdge A3500/A3500FC Hardware Configuration Guide • December 1999

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Contents Sun StorEdge A3500/A3500FC Hardware Configuration Guide Please Recycle Contents Sun StorEdge A3500/A3500FC Configurations Sun StorEdge A3500 and A3500FCSpecifications Page Using Unix Commands How This Book Is OrganizedTypographic Conventions Shell PromptsRelated Documentation Table P-3Related DocumentationSun Documentation on the Web Sun Welcomes Your CommentsScsi Host Connections Configuration Guidelines Supported Scsi Host Configurations Single Host Connected to One Controller ModuleTwo Controller Modules Daisy-Chained to One Host 2Two Controller Modules Daisy-Chained to One HostIndependent Controller Module Connected to Two Hosts 3Independent Controller Module Connected to Two Hosts4Two-Node Multi-Host Configuration Multi-HostUltra 2 Host System Power Connection Requirement Gain access to the AC power sequencers FC-AL Host Connections Differential Scsi terminators-HOST Supported FC-AL Host Configurations 2One Host Connected to One Controller Module Independent Controller Module Connected to Two Hosts Single Host Connected to One Controller Module Using Hubs 4Single Host Connected to One Controller Module Using HubsSingle Host Connected to Two Controller Modules Using Hubs 5Single Host Connected to Two Controller Modules Using Hubs FC-AL Host Connections Host Multi-Host Host Host adapter Setting the Loop ID Controller B 2 1 Dec Sun StorEdge A3500/A3500FC Configurations StorEdge D1000 Disk Array Settings 1StorEdge D1000 Disk Array1 1x2 Configuration Option SwitchModule ID Switch 2 1x5 Configuration 51x5 Option Switch Settings for StorEdge D1000 Disk Array21x5 Module ID Switch Settings 3 2x7 Configuration 82x7 Option Switch Settings for StorEdge D1000 Disk Array32x7 Module ID Switch Settings 4 3x15 Configuration Scsi Jumper Cables and Terminators 1x2 Cables and Connections Driveside Scsi ConnectionsTerminator Power Connections 1x5 Cables and Connections Scsi jumper cable 16shows the power connections for 1x5 configurations 2x7 Cables and Connections Scsi Cable LengthsController Module a 16shows the power connections for 2x7 configurations 11Controller Module B 3x15 Configuration Cables 3x15 Cables and Connections12Controller Module C 3x15 Configuration Cables 19shows the Scsi connections for controller module a 20shows the Scsi connections for controller module B 21shows the Scsi connections for controller module C Connections Between Power Sequencers Connections to AC Power SourcesPower Connections for Expansion Cabinets 23Power Connections to Avoid Different PhasesPower connections for the 1x8 expansion cabinet are shown Page Sun StorEdge A3500 and A3500FC Specifications Initial Cold Start Surge Current SpecificationsTable A-2Cabinet Surge Current Specifications