How to Configure "kdump" on Oracle Linux 6
(Doc ID 1507025.1)
Last updated on JULY 12, 2019
Linux OS - Version Oracle Linux 6.2 with Unbreakable Enterprise Kernel [2.6.32] and later Oracle Cloud Infrastructure - Version N/A and later Information in this document applies to any platform.
Review Currency at 7th.Apr 2015
kdump is an advanced crash dumping mechanism. When enabled, the system is booted from the context of another kernel. This second kernel reserves a small amount of memory, and its only purpose is to capture the core dump image in case the system crashes. Since being able to analyze the core dump helps significantly to determine the exact cause of the system failure, it is strongly recommended to have this feature enabled.
This Note explains how to configure, test, and use the kdump service in ol6.
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