HP StorageWorks Modular Smart Array 500 System User Guide

Component Identification
1-6 HP StorageWorks Modular Smart Array 500 System User Guide
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Shared Storage Module with Integrated Environmental
Monitoring Unit
The MSA500 system supports two-node clustering and up to four-node direct
attached storage (DAS) with Ultra3 SCSI I/O hardware. The system ships standard
with the 2-Port Shared Storage Module. A 4-Port Shared Storage Module is available
as an option.
Shared Storage Module Overview
Shared Storage Module functions include:
• Provides the interconnect function to server nodes
• Monitors the enclosure operation for:
— Temperature
— Power supplies
— Blowers
— Drive presence
• Detects and reports component changes in the enclosure (identifies hot-plug
addition and removal)
• Controls drive and enclosure LEDs