Fmd High CPU Usage - /var/fm/fmd/infolog_hival Is Growing Quickly - mpathadm Shows Path State: unknown (Doc ID 2142268.1)

Last updated on MAY 25, 2016

Applies to:

Solaris SPARC Operating System - Version 11.3 and later
Information in this document applies to any platform.

Symptoms

T5-1B server, Solaris 11.3 SRU 7.5.0 (Oracle Solaris 11.3.7.5.0). - fmd high CPU usage, writing messages like "resource.sysevent.EC_sun_mp.ESC_sun_mp_path_change".

1) The fmd processes running on the control domain of a T5-1B blade is constantly busy, and writing constantly to disk. This is not a normal behavior.

Temporarily disabling the fmd service causes the CPU and IO load to drop.

No error messages for CPU, memory or I/O are being written, but /var/fm/fmd/infolog_hival is growing at a rate of hundreds per second with these type of errors:

But disks are accessible without issue and there are no problems with the disks. 

Changes

Upgrade to Solaris 11.3 SRU 7.5.0

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms