HP Cluster Software manual Service or application example

Page 38

Figure 5 Service or application example

Figure 6 Resource tree for service or application CLX_SHARE

HP 3PAR Cluster Extension is configured as a single resource to enable read/write access to the physical disk resource used for the CLX_SHARE cluster group. The physical disk resource depends on the HP 3PAR Cluster Extension resource and can be brought online only when the HP 3PAR Cluster Extension resource is already online. The network card is not attached to this resource tree and is configured with the CLX_SHARE service or application IP address and network name.

The file share can be started when all the resources are online.

To configure the resource according to the configuration shown in the Figure 5 (page 38):

38 Configuring HP 3PAR Cluster Extension

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Contents HP 3PAR Cluster Extension Software Administrator Guide Acknowledgments Contents CLI commands and utilities Glossary Index TroubleshootingSupport and other resources Disaster tolerance through geographical dispersion Integration into cluster software Graphical user interfaceCLI for easy integration Automated redirection of mirrored disks Metropolitan distance supportStorage system configurations No server rebootSynchronous mode support Fully Automatic Failover and FailbackTo-1 configuration To-1 configurationHP 3PAR Remote Copy To-1 and 1-to-N configurationsProcesses and components 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 considerationsIntegrating HP 3PAR Cluster Extension with Msfc Configuring HP 3PAR Cluster ExtensionStarting the HP 3PAR Configuration Tool 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 Set-ClusterParameter -Name propertyname -Value valuetoset Setting HP 3PAR Cluster Extension properties using a UCFCluster resource clxfileshare /privprop Adding dependencies using Failover Cluster Management Adding dependencies on a HP 3PAR Cluster Extension resourceCluster resource Disk32b00b /adddependencyclxfileshare Adding dependencies using the CLIAdding dependencies using the PowerShell Four nodes host1DCA, host2DCA, host3DCB and host4DCB Configuration of HP 3PAR CLX for CSV disk on Windows ServerDisaster-tolerant configuration example using a file share Service or application example Disk3PARLUN25 Managing HP 3PAR Cluster Extension resourcesBringing a resource online \cluster resource Clxfileshare /ProP RestartAction=0Deleting a resource Using Hyper-V Live Migration with HP 3PAR Cluster ExtensionTaking a resource offline Timing considerations for Windows Clustering Msfc Bouncing service or applicationCreating array password file Administration Hyper-V Live Migration log entries System resourcesLogs 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 optionTiming considerations Installing HP 3PAR InForm Command Line Interface CLICreating and configuring the user configuration file 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 Run showsys Error return codesHP 3PAR storage system log or sysmgr log Msfc log file %windir\cluster\reports\cluster.log Start errorsLog files Failover error handling Ping storage system network name or IP address Cannot connect to HP 3PAR storage systemEcho rescan diskpart Nslookup storage system network nameNofailwrtonerr settings Change of HP 3PAR storage system IP or password fileHost persona 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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