[CentOS] cli Checking disk i/o

Robert Moskowitz

rgm at htt-consult.com
Mon Nov 11 02:04:51 UTC 2019

On 11/10/19 8:38 PM, Peter wrote:
> On 11/11/19 1:37 PM, Robert Moskowitz wrote:
>> 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...
> I like iostat -x 4 which will give a summary every four seconds of 
> accumulated stats, but check the man page for all the options you can 
> use.  iotop (yum install iotop) may also be helpful as it shows disk 
> usage per process like top does for CPU and memory.

basically no i/o, but the drive is spinning like mad.  It could be the 
hardware as on boot I do get the warning it was never tested upstream...

I added noatime to fstab and then a 'mount -a' but no difference in 

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