Constant disk activity FreeNAS

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Bostjan

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Mar 24, 2014
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Lately I’ve noticed that disks are constantly doing something. See screenshots.
I’m the only one on the network -> the only user of FreeNAS.
I’m not doing anything with the box like copying or similar stuff. Nor I have gave anything to do - no cron jobs or similar.
Services that run are: CIFS, SHH, SMART.
I have no Plugins and Jails installed.
FreeNAS-9.3-STABLE-201509022158

I would like to know where to look? What to do? How can I find out what is causing this? What commands to type?

Thanks for help.






FreeNAS disk 1.png
FreeNAS disk 2.png
s
 

m0nkey_

MVP
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Oct 27, 2015
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2,739
This is normal activity when idle. There are a number of background tasks on-going, such as syslog, cron, etc. Disks will never be completely idle. If you're worried this will reduce the life span of your drives, it won't.
 

Bostjan

Contributor
Joined
Mar 24, 2014
Messages
122
Ok.
Thanks.
But I would still like to learn the commands so taht I can see what is doing this. One command is top. What are others?
 
D

Deleted47050

Guest
Ok.
Thanks.
But I would still like to learn the commands so taht I can see what is doing this. One command is top. What are others?

In the top family, you also have atop and htop. Otherwise you could use ps, typically with the aux flags.
 

m0nkey_

MVP
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Oct 27, 2015
Messages
2,739
In the top family, you also have atop and htop. Otherwise you could use ps, typically with the aux flags.
Unfortunately atop and htop are not available in FreeNAS. For I/O, it's possible to run 'top -mio' to get I/O utilization by process.
 
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Deleted47050

Guest
Unfortunately atop and htop are not available in FreeNAS. For I/O, it's possible to run 'top -mio' to get I/O utilization by process.

Ah sorry, I was away from my system, my memory failed me :)
 
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