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Module 7: Server Cluster Maintenance and Troubleshooting

This module teaches students how to effectively back up and restore a server cluster, as well as troubleshoot common cluster service problems. It covers topics such as cluster maintenance, troubleshooting tools, network communications, and SCSI configuration problems.

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Module 7: Server Cluster Maintenance and Troubleshooting

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  1. Module 7: Server Cluster Maintenance and Troubleshooting • This module is intended to prepare the students to successfully back up and restore a server cluster. Students need to know how to use the troubleshooting tools available for troubleshooting server cluster problems. The module covers common Cluster service problems and possible resolutions. • After completing this module, you will be able to: • Perform the steps to successfully back up a server cluster. • Perform the steps to successfully restore a server cluster. • Evict a node from a server cluster. • Identify the tools that are necessary to troubleshoot a cluster failure. • Interpret the entries on the cluster log. • Identify and troubleshoot common server cluster failures: network communications, small computer system interface (SCSI) configuration problems, group, resource, and quorum failures.

  2. Module Strategy • Cluster Maintenance • Backup • Restoring the First Node • Restoring Cluster Disks • Restoring the Second Node • Evicting a Node • Troubleshooting Cluster Service • Troubleshooting Tools • Examining the Cluster Log • Troubleshooting Network Communications • SCSI Configuration Problems • Group and Resource Failures • Quorum Log Corruption • Lab A: Cluster Maintenance

  3. Overview • In this module, we will cover Cluster maintenance in the form of backing up and restoring a cluster, and troubleshooting Cluster service.

  4. Server cluster maintenance and troubleshooting are considered two separate disciplines. Maintenance is continuous, whereas troubleshooting has a beginning when the problem is discovered, and an end when the problem is resolved. The two disciplines are complimentary, however. When every troubleshooting procedure that you follow fails, you will need to rebuild the cluster from a backup tape that was generated during a maintenance procedure.

  5. Lab Strategy • This lab is designed to prepare the students to use Backup and Clusrest.exe to perform the proper backup and restore procedures. Students will uninstall Cluster service in preparation for the Network Load Balancing (NLB) portion of the course. NLB and Cluster service cannot run on the same computer.

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