Specifying object values

You do not need to change the default settings unless you want to change the degree of protection for your Remote Copy volume group members. If you change an object, you may need to change additional objects as well. For example, if RESYNCWAIT has been specified for the ApplicationStartup object, the ResyncWaitTimeout object must be specified.

Objects are supported according to the requirements or capabilities of the cluster software, as indicated in Table 3 (page 48).

Table 3 Common and application objects

Object

 

CLI

Windows Cluster

COMMON

 

 

LogDir

 

LogLevel

APPLICATION

 

 

ApplicationDir

 

ApplicationStartup

 

ClusterNotifyCheckTime

 

 

ClusterNotifyWaitTime

 

+

DC_A_Hosts

+

DC_B_Hosts

+

DC_A_InServStorage_SerNum

+

DC_B_InServStorage_SerNum

+

RCVolumeGroupA

+

RCVolumeGroupB

 

PostExecCheck

 

PostExecScript

 

PreExecScript

 

ResyncWaitTimeout

 

StatusRefreshInterval

 

 

UseNonCurrentDataOk

 

HP3PARCLICommandTimeout

+Required

Supported

COMMON objects

The COMMON section is used to set the environment of HP 3PAR Cluster Extension.

The COMMON tag can appear in the configuration file only once. The COMMON object does not require any value.

Objects of the type COMMON can appear only one time. Those objects must be placed after the COMMON tag in the configuration file.

If the default values fit your environment, there is no need to specify them in the file.

48 User configuration file and HP 3PAR Cluster Extension objects

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HP Cluster Software manual Common objects, Specifying object values

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.