HP NetServer AA 4000 HP Netserver AA Solution Installation Guide v4.0 SP1 - Page 14

Overview of the Endurance Server, Table 1-1, Endurance Components

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Overview of the Endurance Server The fault tolerant Endurance server provides continuous computing and fully-redundant I/O devices for your Microsoft Windows operating system and its applications. The main Endurance components include: Table 1-1 Endurance Components Components Description 2 Compute Elements (CEs) 2 I/O Processors (IOP)s 4 Marathon Interface Cards (MICs) The systems that provide all compute processing. The CEs run the operating system where you install and execute all applications. The systems that provides I/O resources, including I/O processing, data storage, and network connectivity. The PCI-based adapters that enable bidirectional communication between system components. The Endurance technology coordinates all I/O requests and responses between the CEs and IOPs in a redundant processing environment. Using redundant CEs and memory, the Endurance software performs CPU and memory functions in a tightly coupled manner. If there is a CPU or memory failure, the Endurance operating system remains continuously available, providing constant computing without any loss of context. Figure 1-1 depicts a sample hardware configuration of the Endurance server. 1-2 HP Netserver AA Solution Installation Guide

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HP Netserver AA Solution Installation Guide
Overview of the Endurance Server
The fault tolerant Endurance server provides continuous computing and fully-redundant I/O
devices for your Microsoft Windows operating system and its applications.
The main Endurance components include:
The Endurance technology coordinates all I/O requests and responses between the CEs and
IOPs in a redundant processing environment. Using redundant CEs and memory, the Endurance
software performs CPU and memory functions in a tightly coupled manner. If there is a CPU or
memory failure, the Endurance operating system remains continuously available, providing
constant computing without any loss of context.
Figure 1-1
depicts a sample hardware configuration of the Endurance server.
Table 1-1
Endurance Components
Components
Description
2 Compute Elements (CEs)
The systems that provide all compute processing. The CEs run the
operating system where you install and execute all applications.
2 I/O Processors (IOP)s
The systems that provides I/O resources, including I/O processing,
data storage, and network connectivity.
4 Marathon Interface Cards
(MICs)
The PCI-based adapters that enable bidirectional communication
between system components.