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 17, 2018
Applies to:Solaris Operating System - Version 11.3 and later
Information in this document applies to any platform.
T5-1B server, Solaris 11.3 SRU 7.5.0 (Oracle Solaris 188.8.131.52.0). - 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.
Upgrade to Solaris 11.3 SRU 7.5.0
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