[CentOS] cli Checking disk i/o

Robert Moskowitz

rgm at htt-consult.com
Sun Nov 10 22:11:18 UTC 2019

I just built a CentOS7 system on a Zotac NANO PC.

I used a 320GB 2.5" HD I had sitting around and installed with Standard 
Partitions on XFS.

The drive is spinning, nonstop.

How can I monitor if there is actually disk i/o to warrant this constant 

So noatime for all partitions work with XFS?  I did some browsing and 
the claim is XFS uses realtime which is better? than noatime?

Perhaps it is just occasional writes to messages (at least 1 a minute) 
that determines to keep on spinning.

But it is annoying.

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