NEC A1160 manual Redundant Configurations, Replaceable Components, Clustering Software

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Redundant Configurations

hardware resources among cluster nodes in response to planned and unplanned events. This reallocation is virtually impossible to accomplish in a traditional cluster.

Clustering Software

Express5800 systems support various clustering paradigms, including shared disk clusters, and shared nothing (only interconnected) clusters.

Redundant Configurations

Redundant configurations ensure that Express5800 systems do not have a single point of failure. Redundancy

yImproves the availability of the server if a component fails

yAllows the removal of a failing component without stopping the server

yAllows the removal of a failing component with an automatic reboot, if the operating system cannot remain running while the failed component is replaced

A system that consists of a single cell provides redundant power and cooling. Complete redundancy is provided in multiple- cell systems. Redundancy is available for the following hardware components:

yPower supplies (n+1)

yFans (n+1)

ySystem processors

yMemory

yI/O

yCompatibility hardware

Replaceable Components

Replaceable components are hardware assemblies or subassemblies that can be replaced onsite to either upgrade the server or replace a failing component. Hot-swappable components can be replaced when the power is on and the operating system is running. Hot-pluggable components can be replaced when the power is on but the operating system is stopped.

The cell contains both customer-replaceable components and field-replaceable components. When the management system detects a fault in the cell, it displays the component name on the control panel LCD. All customer-replaceable components can be replaced with the power on and the partition running. No special training or tools are required to replace a customer-replaceable component. Field-replaceable components require special handling and are replaced by service representatives.

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Contents EXPRESS5800/A1160 Technical Overview ƒProprietary Notice and Liability Disclaimer DecemberContents Contents Figures Page Tables ViiPage Using This Guide Who Should Use This GuidePage Safety Notices Safety NoticesPage Safety Notices for Users Outside of the U.S.A. and Canada Page Documentation Updates Scalable Symmetric Multiprocessing ServersWindows Operating Systems Operating SystemsOperating Systems Linux Operating Systems Virtual Machine MonitorsVirtual Machine Monitors Page Cell Component Express5800/A1160 CellProcessors ProcessorsProcessor Sockets Supported Processors Rules for Mixing ProcessorsMulticore Processors Extended Memory 64 Technology EM64TProcessor Voltage Regulator Modules Node ControllerMemory MemoryDimm Slot Numbering Memory BoardsDimm Capacity and Cell Memory Dimm Capacity and Cell MemoryRules for Memory Expansion Indicators on the Memory Board SubsystemDynamic Dimm Sparing Memory MirroringPCIe Card Carrier I/O Riser BoardPorts PCIe Card CarrierInbuilt RAID Controller Ports on Back of the CellPower PowerAC/DC Power Supplies Power ControlPartitions and Power Uninterruptible Power Supply UPSVolt Redundancy and AC Source Options CoolingCooling Peripherals PeripheralsBoot Options External PeripheralsSystem Clocks System ClocksExpressscope Monitor Device Names on the Expressscope Monitor LCD Fault Messages on the Expressscope Monitor LCDFault Messages on the Expressscope Monitor LCD CRU Inbuilt Virtualization Trusted Platform Module TPMInbuilt Virtualization For More InformationSystem Configuration Cell Interconnect and Multiple Cell SystemsCell Interconnect and Multiple Cell Systems System with Two CellsCell Identification System Serial NumberCell Identification Relation of Interconnect Port and Cable End to Cell IDCabinets CabinetsPartitions PartitionsClustering Redundant Configurations Redundant ConfigurationsReplaceable Components Clustering SoftwareMinimum and Maximum Configurations Express5800/A1160 Configuration SummaryExpress5800/A1160 Configuration Summary Page Server Management System ComponentsNetwork Components Windows Domain Controller Management ServerClient Workstation Console Manager Client SoftwareMain Components Management ArchitectureIntelligent Platform Management Interface Management Board Management BoardService Processor Firmware HubRemote Console Interfaces Remote Console InterfacesTrusted Platform Module TPM PortsBios Server Management SoftwareManagement Software Components Management Software ComponentsEsmpro Manager and Agent Accessing Remote Monitoring Remote MonitoringCell Components Components on the Front of a CellComponents on the Rear of a Cell LCDComponents on the Rear of a Cell AC power cord