[CentOS] cli Checking disk i/o
Robert Moskowitz
rgm at htt-consult.com
Mon Nov 11 00:37:07 UTC 2019
OK. That is interesting. I am assuming tps is transfers per sec?
I would have to get a stop watch, but it seems to go a bit of time, and
then a write.
Is there something that would accumulate this and give me a summary over
some period of time? Of course it better NOT be doing its own IOs...
On 11/10/19 6:03 PM, shimi wrote:
> iostat 1
>
> On Mon, 11 Nov 2019, 00:11 Robert Moskowitz, <rgm at htt-consult.com
> <mailto:rgm at htt-consult.com>> wrote:
>
> 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
> spinning.
>
> 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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