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Dec 26, 2016 · Databases

Why Do Oracle RAC Nodes Crash? Uncovering Memory Leak Bugs in ocssd.bin

An Oracle RAC deployment across four identical clusters repeatedly experienced node crashes, each traced to ocssd.bin failures caused by a memory leak bug in CRSD/OCSSD processes (Bug 11704113), with analysis of logs, kernel parameters, and recommended patches and configuration tweaks to prevent recurrence.