[CentOS] cli Checking disk i/o

Robert Moskowitz

rgm at htt-consult.com
Mon Nov 11 20:55:58 UTC 2019

On 11/11/19 10:46 AM, Leon Fauster via CentOS wrote:
> Am 11.11.19 um 14:28 schrieb Stephen John Smoogen:
>> On Sun, 10 Nov 2019 at 17:12, Robert Moskowitz <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.
>> I would check the NANO to see if its firmware has any settings or
>> updates which cover this. Then check if the drive has firmware updates
>> needed. Motherboard and drive firmware fixes have been the things I
>> have found to fix most of the problems for drive 'not powering down'
>> problems. I think the last one I remember on IRC was a drive set came
>> up in a mode saying 'I am in fast access mode' or something and so the
>> motherboard kept it spinning up all the time to make sure it could
>> write quickly.
> Maybe
> $ hdparm -S
> helps? Take a look into
> $ man hdparm

It looks like -S 1

sets standby at 5 sec idle.  I kind of doubt this will matter, but I am 
trying it.

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