If virtual machine configuration is already dependent on "Cluster Extension 3PAR for VM Management", then the cmdlet moves to the next virtual machine configuration on a CSV.

However if there is no existing dependency on "Cluster Extension 3PAR for VM Management" but resource of this type is already existing in the VM role, virtual machine configuration resource is made dependent on the existing "Cluster Extension 3PAR for VM Management" type resource. If it is not present, a new resource of type "Cluster Extension 3PAR for VM Management" is created and virtual machine configuration resource is made dependent on it.

While creating the dependency virtual machine configuration resource should be offline else dependency is not created.

If a virtual machine configuration is residing on a cluster shared volume which is not dependent on resource of type "Cluster Extension 3PAR", then an error is thrown and no further operations are performed on that VM.

PS C:\> Add-VMDependencyOnCLX3PAR

Logs will be generated with default "info" log level. For changing the logging level, configure LogLevel parameter in UCF.cfg file at file location: C:\Program Files\Hewlett-Packard\Cluster Extension 3PAR\conf\ UCF.cfg

Cmdlet Log Location: C:\Program Files\Hewlett-Packard\Cluster Extension 3PAR\log\CLXCmdlet.log

Add-VMDependencyOnCLX3PAR

All VM residing in cluster will be made dependent on CLX 3PAR. Continue? [Y] Yes [N] No [S] Suspend [?] Help (default is "Y"): y

Starting with the steps to create and add dependency of virtual machines residing on CSV on "Cluster Extension 3PAR for VM Management".

TOTAL VIRTUAL MACHINE(S) IN THE CLUSTER: 1

VM role: "New Virtual Machine" is present on cluster shared volume : "Cluster Disk 1" which is not dependent on resource of type "Cluster Extension 3PAR". Ensure that cluster shared volume is made dependent on "Cluster Extension 3PAR" before doing further operations.

Resource of type "Cluster Extension 3PAR for VM Management" to be created with Name: "CLX_3PAR_New Virtual Machine" in virtual machine role "New Virtual Machine"

Created the resource "CLX_3PAR_New Virtual Machine" in virtual machine role: "New Virtual Machine"

Added the dependency of Virtual Machine Configuration in VM Role New Virtual Machine" on "Cluster Extension 3PAR for VM Management" type resource: "CLX_3PAR_New Virtual Machine"

Virtual Machine Role

CLX Resource

Name

New Virtual Machine

CLX_3PAR_New

Virtual Machine

Total virtual machines in the cluster residing on CSV: 1

TOTAL VIRTUAL MACHINES IN THE CLUSTER FOR WHICH CLX 3PAR DEPENDENCY ADDED: 1

Example 2

C:\PS>Add-VMDependencyOnCLX3PAR -CSVDiskName "Cluster Disk 1"

This command first finds out all the virtual machine configurations which are residing on the cluster shared volume "Cluster Disk 1". After getting all virtual machine configurations on the provided

64 CLI commands and utilities

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HP Cluster Software manual Total virtual machines in the cluster residing on CSV

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.