HP Cluster Software manual Configuration tool clx3PARconfig.exe, IP network considerations

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Configuration tool (clx3PARconfig.exe)

HP 3PAR Cluster Extension uses the configuration tool(clx3PARconfig.exe) to store configuration and access information for each configured management server. This tool stores information in the clx3parcfg file. However, because the clx3parcfg file cannot be edited with a standard text editor, management server entries can only be added, modified, and deleted using the configuration tool that is included with the standard installation of HP 3PAR Cluster Extension.

HP 3PAR InForm Management Console or HP 3PAR InForm CLI

HP 3PAR InForm Management Console or HP 3PAR InForm CLI is used to create virtual volumes and configure the HP 3PAR storage system.

IP network considerations

HP 3PAR CLI is essential to Cluster Extension which communicates with the HP 3PAR storage system over the IP network. HP recommends that you provide reliable network connections for cluster node to HP 3PAR storage system communications.

SAN fabric considerations

Ensure that cluster nodes in the zoning configuration recognize their respective (local) HP 3PAR storage system, but not the remote HP 3PAR storage system.

Planning for HP 3PAR Cluster Extension 15

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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 Metropolitan distance support Automated redirection of mirrored disksFully Automatic Failover and Failback No server rebootSynchronous mode support Storage system configurationsTo-1 configuration To-1 configurationTo-1 and 1-to-N configurations Processes and componentsHP 3PAR Remote Copy Remote Copy pairs Remote Copy volume groupsForce Flag User configuration fileCluster setup considerations Planning for HP 3PAR Cluster ExtensionNode Majority with File Share Witness 14 HP 3PAR Cluster Extension features SAN fabric considerations Configuration tool clx3PARconfig.exeHP 3PAR InForm Management Console or HP 3PAR InForm CLI IP network 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 Adding a HP 3PAR Cluster Extension resource Importing and exporting configuration informationExample Adding HP 3PAR Cluster Extension resource using cluster.exeChanging a HP 3PAR Cluster Extension resource name Configuring HP 3PAR Cluster Extension resourcesTIP 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 Changing Remote Copy volume group settings Selecting a volume groupConfiguring takeover actions Setting HP 3PAR Cluster Extension properties using a UCF Cluster resource clxfileshare /privpropSet-ClusterParameter -Name propertyname -Value valuetoset Adding dependencies on a HP 3PAR Cluster Extension resource Adding dependencies using Failover Cluster ManagementAdding 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 \cluster resource Clxfileshare /ProP RestartAction=0 Managing HP 3PAR Cluster Extension resourcesBringing a resource online Disk3PARLUN25Using 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 ProgramFiles%\Hewlett-Packard\Cluster Extension 3PAR\conf User configuration fileWindows Clustering File structureSpecifying object values Common objectsApplicationDir Application objectsLogDir LogLevelApplicationStartup Optional Default %HPCLX3PARPATH% valuesDCBHosts Required ClusterNotifyCheckTimeClusterNotifyWaitTime DCAHosts RequiredDCB InServStorageSerNum Required RCVolumeGroupA RequiredRCVolumeGroupB Required DCA InServStorageSerNum RequiredStatusRefreshInterval Sample configuration fileResyncWaitTimeout Optional HP3PARCLICommandTimeoutPage Clx3PARrun CLI commandsForceflag option Configuring the CLIConfiguring the HP 3PAR storage system Creating the HP 3PAR Remote Copy environmentInstalling HP 3PAR InForm Command Line Interface CLI Creating and configuring the user configuration fileTiming considerations Restrictions for customized implementations CSVDiskName String Synopsis\PSAdd-CSVDependencyOnCLX3PAR Outputs\PSAdd-CSVDependencyOnCLX3PAR -CSVDiskName Cluster Disk Related Links \PSAdd-VMDependencyOnCLX3PAR \PSAdd-VMDependencyOnCLX3PAR -CSVDiskName Cluster Disk Total virtual machines in the cluster residing on CSVRelated Links Name \PSGet-VMOnClusterSharedVolumeListForCLX3PAR Pre-execution and post-execution programs Post-execution return codes Pre-execution return codesProgramFiles%\Hewlett-Packard\Cluster Extension 3PAR\log\ LogsLog facility CLX cmdlet logs %HPCLX3PARPATH%\log\CLXCmdlet.logHP 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 Nslookup storage system network name Cannot connect to HP 3PAR storage systemEcho rescan diskpart Ping storage system network name or IP addressChange of HP 3PAR storage system IP or password file Host persona settingsNofailwrtonerr settings Remote Copy and 3PAR Virtual Domains Promote issueCluster Extension Autopass troubleshooting HP 3PAR Target arrays not configured with Remote Copy LinksHP 3PAR Target arrays not configured with Remote Copy Links Whitepapers Contacting HPNew and changed information in this edition Related informationDocument conventions Typographic conventionsGlossary Index SymbolsIndex 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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