Heartbeat/Voting/Quorum Related Timeout Configuration for Linux, OCFS2, RAC Stack to Avoid Unnecessary Node Fencing, Panic and Reboot
(Doc ID 395878.1)
Last updated on APRIL 20, 2020
Applies to:Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Linux Kernel - Version: 2.6 to 2.6
OCFS2 1.2.1 and up
Oracle Real Application Clusters 10.2.0.2 and up
This document aims to guide customers to configure the heartbeat, voting or quorum related timeouts for their cluster configuration with:
- Linux with 2.6 Kernel
- Real Application Clusters
There are other documents that are providing technical information about how to configure the RAC/CSS voting/heartbeat timeouts, OCFS2 heartbeat timeouts based on storage layer I/O timeout values. This document does not aim to replicate the information but it covers pointers to configure the complete stack of components.
This document does not apply to RAC configurations with Oracle's Automatic Storage Manager (ASM).
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In this Document
|Disk / Storage Hardware I/O Timeout Values|
|Linux OS Software I/O Timeout Values|
|Oracle Cluster File System 2 (OCFS2) Heartbeat Timeouts|
|Real Application Clusters / Cluster Synchronization Services Timeouts|