Pre-execution return codes

68

Post-execution return codes

68

5 Troubleshooting

69

Logs

69

Log facility

69

HP 3PAR Cluster Extension logs

70

HP 3PAR storage system log or sysmgr log

71

Error return codes

71

Log files

72

Start errors

72

Failover error handling

73

Failing physical disk resources during online attempt of the resource group

73

Cannot connect to HP 3PAR storage system

74

Resource disk failure when HP 3PAR Cluster Extension is online

75

Cluster Extension and HP 3PAR Command Line (CLI) Install/Upgrade

75

Change of HP 3PAR storage system IP or password file

75

Host persona settings

75

no_fail_wrt_on_err settings

75

Remote Copy and 3PAR Virtual Domains

76

Promote issue

76

Cluster Extension Autopass troubleshooting

76

HP 3PAR Target arrays not configured with Remote Copy Links

76

6 Support and other resources

78

Contacting HP

78

New and changed information in this edition

78

Related information

78

Whitepapers

78

HP websites

78

Typographic conventions

79

Glossary

80

Index

81

Contents 5

Page 5
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HP Cluster Software manual Troubleshooting, Support and other resources, Glossary Index

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.