Compaq StorageWorks Data Replication Manager HSG80 ACS Version 8.5P Operations Guide

Introduction to Data Replication Manager 1–3
NOTE: While this documentation addresses ESA12000 storage cabinets as the primary unit for
Data Replication Manager configurations, Compaq’s DT solution will function in any equivalent
cabinet that houses a BA370 enclosure.
Connections between the controllers and hosts are made at each site with two Fibre
Channel gigabit switches and two host bus adapters. Short-wave Gigabit Interface
Converters (GBICs) connect the host and controllers to the switches at each site. Extended
GBICs or ATM connect the initiator and target switches together if they are more than 500
meters apart.
ESA12000 Cabinet
The ESA12000 Storage Building Block Cabinet houses the BA370 Enclosures, which
contain the following components:
■ Two HSG80 Fibre Channel RAID Array Controllers
■ One Environmental Monitoring Unit (EMU)
■ One or Two AC Input Power controllers
■ Up to 24 Disk Drive Storage Building Blocks (SBB) per BA370 Enclosure
■ Five to Eight 180-watt Power Supplies
■ External Cache Battery (ECB), dual
■ Eight Cooling Fans
■ Six single-ended I/O Modules
■ One Power Verification and Addressing module (PVA)
■ Two cache modules (512 MB required)
For detailed information about these components, refer to the HSG80 Array Controller
ACS Version 8.5 Configuration Guide and HSG80 Array Controller ACS Version 8.5 CLI
Reference Guide and the HSG80 Array Controller ACS Version 8.5 Maintenance and
Service Guide.