HP Cluster Software manual Configuring cluster node data center assignments

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NOTE: In Server Core and Hyper V Server, users can only use the CLX3PARRESCONFIG.EXE as the GUI is not present.

Configuring cluster node data center assignments

To configure cluster node data center assignments from the cluster software Parameters tab or the resource configuration tool:

1.To add a cluster node:

a. Click Add to open the Add Server Data center Assignment window.

b.Select a cluster node from the Pre-Configured host list.

c.Assign the cluster node to a data center selected from the Data center list.

d.Click OK to save and close the window.

2.To remove a cluster node, select the node, and then click Remove.

30 Configuring HP 3PAR Cluster Extension

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Contents HP 3PAR Cluster Extension Software Administrator Guide Acknowledgments Contents CLI commands and utilities Troubleshooting Support and other resourcesGlossary Index Integration into cluster software Graphical user interface CLI for easy integrationDisaster tolerance through geographical dispersion Automated redirection of mirrored disks Metropolitan distance supportStorage system configurations No server rebootSynchronous mode support Fully Automatic Failover and FailbackTo-1 configuration To-1 configurationTo-1 and 1-to-N configurations Processes and componentsHP 3PAR Remote Copy Remote Copy volume groups Remote Copy pairsPlanning for HP 3PAR Cluster Extension User configuration fileCluster setup considerations Force FlagNode Majority with File Share Witness 14 HP 3PAR Cluster Extension features IP network considerations Configuration tool clx3PARconfig.exeHP 3PAR InForm Management Console or HP 3PAR InForm CLI SAN fabric considerationsConfiguring HP 3PAR Cluster Extension Starting the HP 3PAR Configuration ToolIntegrating HP 3PAR Cluster Extension with Msfc Defining the HP 3PAR configuration information using the GUI Configuring HP 3PAR Cluster Extension SystemUser.pwd Defining the HP 3PAR configuration information using the CLI Importing and exporting configuration information Adding a HP 3PAR Cluster Extension resourceAdding HP 3PAR Cluster Extension resource using cluster.exe ExampleConfiguring HP 3PAR Cluster Extension resources Changing a HP 3PAR Cluster Extension resource nameTIP Setting resource properties and values in the GUI Service or application properties and values Using Failover Cluster Management to set resource properties Make the necessary parameter changes, and then click OK Page Configuring cluster node data center assignments Configuring HP 3PAR storage system Selecting a volume group Changing Remote Copy volume group settingsConfiguring takeover actions Setting HP 3PAR Cluster Extension properties using a UCF Cluster resource clxfileshare /privpropSet-ClusterParameter -Name propertyname -Value valuetoset Adding dependencies using Failover Cluster Management Adding dependencies on a HP 3PAR Cluster Extension resourceAdding dependencies using the CLI Adding dependencies using the PowerShellCluster resource Disk32b00b /adddependencyclxfileshare Configuration of HP 3PAR CLX for CSV disk on Windows Server Disaster-tolerant configuration example using a file shareFour nodes host1DCA, host2DCA, host3DCB and host4DCB Service or application example Disk3PARLUN25 Managing HP 3PAR Cluster Extension resourcesBringing a resource online \cluster resource Clxfileshare /ProP RestartAction=0Using Hyper-V Live Migration with HP 3PAR Cluster Extension Taking a resource offlineDeleting a resource Bouncing service or application Creating array password fileTiming considerations for Windows Clustering Msfc Administration System resources LogsHyper-V Live Migration log entries Configuring HP 3PAR Cluster Extension Page Configuring HP 3PAR Cluster Extension File structure User configuration fileWindows Clustering ProgramFiles%\Hewlett-Packard\Cluster Extension 3PAR\confCommon objects Specifying object valuesLogLevel Application objectsLogDir ApplicationDirDefault %HPCLX3PARPATH% values ApplicationStartup OptionalDCAHosts Required ClusterNotifyCheckTimeClusterNotifyWaitTime DCBHosts RequiredDCA InServStorageSerNum Required RCVolumeGroupA RequiredRCVolumeGroupB Required DCB InServStorageSerNum RequiredHP3PARCLICommandTimeout Sample configuration fileResyncWaitTimeout Optional StatusRefreshIntervalPage CLI commands Clx3PARrunCreating the HP 3PAR Remote Copy environment Configuring the CLIConfiguring the HP 3PAR storage system Forceflag optionInstalling HP 3PAR InForm Command Line Interface CLI Creating and configuring the user configuration fileTiming considerations Restrictions for customized implementations Synopsis CSVDiskName StringOutputs \PSAdd-CSVDependencyOnCLX3PAR\PSAdd-CSVDependencyOnCLX3PAR -CSVDiskName Cluster Disk Related Links \PSAdd-VMDependencyOnCLX3PAR Total virtual machines in the cluster residing on CSV \PSAdd-VMDependencyOnCLX3PAR -CSVDiskName Cluster DiskRelated Links Name \PSGet-VMOnClusterSharedVolumeListForCLX3PAR Pre-execution and post-execution programs Pre-execution return codes Post-execution return codesCLX cmdlet logs %HPCLX3PARPATH%\log\CLXCmdlet.log LogsLog facility ProgramFiles%\Hewlett-Packard\Cluster Extension 3PAR\log\HP 3PAR Cluster Extension logs Error return codes HP 3PAR storage system log or sysmgr logRun showsys Start errors Log filesMsfc log file %windir\cluster\reports\cluster.log Failover error handling Ping storage system network name or IP address Cannot connect to HP 3PAR storage systemEcho rescan diskpart Nslookup storage system network nameChange of HP 3PAR storage system IP or password file Host persona settingsNofailwrtonerr settings HP 3PAR Target arrays not configured with Remote Copy Links Promote issueCluster Extension Autopass troubleshooting Remote Copy and 3PAR Virtual DomainsHP 3PAR Target arrays not configured with Remote Copy Links Related information Contacting HPNew and changed information in this edition WhitepapersTypographic conventions Document conventionsGlossary Symbols IndexIndex Product manuals
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Cluster Software specifications

HP Cluster Software is a robust solution designed to enhance the reliability, availability, and scalability of computing environments in enterprise settings. This software is instrumental in managing clusters of servers, providing a unified framework that allows for efficient resource management, workload distribution, and high availability.

One of the main features of HP Cluster Software is its ability to deliver high availability through failover mechanisms. In the event of a hardware or software failure, the software automatically shifts workloads from the affected node to a standby node within the cluster, minimizing downtime. This feature is critical for organizations that require continuous access to their data and applications.

Scalability is another significant characteristic of HP Cluster Software. Organizations can easily add or remove nodes from the cluster without disrupting ongoing operations. This flexibility ensures that enterprises can adapt to changing workloads and resource demands efficiently, making it suitable for environments ranging from small businesses to large data centers.

Load balancing is a key technology employed by HP Cluster Software. It intelligently distributes workloads across the available nodes, optimizing resource utilization and ensuring that no single server is overwhelmed. By balancing the load, organizations can achieve better performance and enhance the response times of applications, which are essential for user satisfaction.

HP Cluster Software supports various clustering topologies, including active-active and active-passive configurations. This versatility allows organizations to choose the architecture that best fits their operational requirements. Additionally, the software integrates seamlessly with various HP and third-party hardware and software solutions, thus providing a holistic environment for managing IT resources.

Moreover, HP Cluster Software offers centralized management tools that simplify cluster administration. Administrators can monitor cluster performance, manage workloads, and configure settings all from a single interface. This ease of use reduces the complexity often associated with managing large clusters and empowers IT teams to respond rapidly to issues.

In summary, HP Cluster Software is an essential tool for organizations looking to enhance their IT infrastructure's availability, reliability, and performance. With its failover capabilities, scalability options, load balancing technology, and centralized management features, it stands out as a comprehensive solution for modern computing challenges.
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