CPU Usage due to SMART drive monitoring?


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Hi all, 

 

since upgrading to 6.9.0 - I've noticed that my CPU was constantly spiking cores to 100% every few seconds.

 

in the logs, I could see the following being logged every few seconds, tying up with CPU spikes....:

 

Mar 8 14:22:07 Concorde kernel: sdf: sdf1
Mar 8 14:22:07 Concorde kernel: sdg: sdg1
Mar 8 14:22:07 Concorde kernel: sdc: sdc1
Mar 8 14:22:07 Concorde kernel: sdd: sdd1
Mar 8 14:22:07 Concorde kernel: sde: sde1
Mar 8 14:22:07 Concorde kernel: sdh: sdh1

I run a HP DL380P Gen 8 server (RAID/HBA controller is a P420i in HBA mode), and therefore was using the HP cciss SMART controller type. I disabled this (changed disk index's so nothing would be seen) and just like that, the CPU was back to idling at 1% like normal.

 

Is this behaviour expected? - is there anything I could do to reduce CPU usage, reduce polling rate perhaps?

 

Many Thanks

 

Edited by mostlybroken
add controller type
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