Recommended Ocfs2 1.4.1 mount options with DB volumes

(Doc ID 835839.1)

Last updated on JUNE 10, 2009

Applies to:

Linux Kernel - Version: 1.4.1 to 1.4.1
Linux x86-64

Symptoms

The "atime" is a new implementation in ocfs2 1.4.1 and onwards which is on by default, any direct IO writes can get locked when a node is dead.
When a node dies, the reads to the database from surviving nodes are frozen
for a longer period than with OCFS2 1.2.
To avoid this it is recommended with all DB volumes you should mount with the "noatime" mount option.

Cause

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