Emerson Centellis 2000 Shelf Release 3.0 Manual page 32

System Overview
The shelf management system consists of several major components:
Distributed intelligent platform management controllers (IPMCs) which manage and
monitor the operation and environment conditions of each field replaceable unit (FRU) in
the shelf
Shelf manager which implements a system management interface and contains shelf
management controller (ShMC) through which it communicates with other IPMCs
Intelligent platform management interface (IPMI) infrastructure which provides
communication, management, and control paths among the distributed controllers and
to the shelf manager. The IPMI infrastructure is fully compliant to the IPMI V.1.5 and
AdvancedTCA Specification.
The shelf manager is the active instance of the software running on the MF106.
For a detailed description refer to the MF106 Installation and Use guide. For a description of the
HPI-B software refer to the System Management Interface Based on HPI-B (Centellis CO
31kX/4100/2000) User's Guide.
Due to high availability software, utilizing redundant hardware components, system high
availability is ensured. Shelf management software runs on two redundant MF106 boards.
The shelf manager performs the following main tasks:
Retrieving FRU inventory information
Receiving events from sensors of the shelf
Monitoring and controlling the temperature of the shelf
Reporting of errors
Executing corrective actions
Managing blades for hot swap functionality
32
Centellis 2000 Shelf Release 3.0 Installation and Use (6806800L99F)