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RAC with ASM on Linux, Crash Scenario: OCR Loss

By alejandro.vargas on May 6, 2007 8:28 AM

On this 3rd scenario we lose the OCR.

The OCR in this case is located on a Raw Device, so backup and recovery from and to a Raw Device is explained.

To simulate the OCR loss we write zeros to the raw device, this will cause CRS to fail.

The recovery steps include:

  • Stop all cluster components that remain up after the failure.
  • Restore the OCR from backup
  • Restart CRS
  • Restart all cluster components
  • Check
Crash scripts and full details of the test: Crash Scenario 3 - OCR Loss

Important! : Before running a crash scenario be sure to Backup OCR, details to backup or use the automatic generated backups are included in the same attached file



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This page contains a single entry from the blog posted on May 6, 2007 8:28 AM.

The previous post in this blog was RAC with ASM on Linux, Crash Scenario: Data Disk Group Loss.

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