Specifications

Introduction
23MSA1000 Reference Guide
MSA1000 Hardware Components
The standard configuration of the MSA1000 includes one MSA1000 Controller,
one MSA Fibre Channel I/O Module, one SCSI I/O with an integrated EMU, and
redundant power supply/blower assemblies.
Option kits are available for redundant MSA1000 Controllers and Fibre
Channel I/O Modules as well as for embedded switches and hubs.
Components of the MSA1000 include:
■ MSA1000 Controller
■ SCSI I/O with integrated Environmental Monitoring Unit
■ Redundant power supply/blower assemblies
■ Fibre Channel I/O Module
■ MSA SAN Switch 2/8 (option only)
■ MSA Hub 2/3 (option only)
MSA1000 Controller
The MSA1000 Controller is a drive array controller specifically designed for
installation in the MSA1000. The MSA1000 comes equipped with one MSA1000
Controller installed. An additional controller for redundancy can be purchased
separately.
To ensure uninterrupted service, two copies of the controller firmware are stored
in Read Only Memory (ROM) on the controller. See the “Recovery ROM and
ROM Cloning” appendix for more information.
Additional information about the following topics is included in this section:
■ MSA1000 Controller Display
■ Array Accelerator (Battery-backed Cache)
■ Array Configuration