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Is the hangcheck timer still needed with Oracle RAC 10g and 11gR1?

April 26, 2017needed Oracle RAC timer

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Is the hangcheck timer still needed with Oracle RAC 10g and 11gR1?

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YES! hangcheck-timer is required for 10g and 11gR1 (11.1.*). It is no longer needed in Oracle Clusterware 11gR2. The hangcheck-timer module monitors the Linux kernel for extended operating system hangs that could affect the reliability of the RAC node ( I/O fencing) and cause database corruption.