Performance impact of mkfs.xfs vs mkfs.xfs -f

[Carlos E. R.]

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On 2015-08-26 01:43, Dave Chinner wrote:
> On Tue, Aug 25, 2015 at 04:09:33PM -0700, Shrinand Javadekar 
> wrote:

>> Formatted the new disks with mkfs.xfs. Ran the workload. 
>> Reformatted the disks with mkfs.xfs -f. Ran the workload.


> Anyway, please post the output so we can see the differences for 
> ourselves. What we need is mkfs output in both cases, and xfs_info
>  output in both cases after mount.

Suggestion (for the OP):

To reformat a third time without "-f", you can reformat as ext4, then
format a second time as xfs. But to imitate a new disk, you have to
zero it with dd.

Then you can replay the test and obtain the requested data :-)

- -- 
Cheers / Saludos,

		Carlos E. R.

  (from 13.1 x86_64 "Bottle" (Minas Tirith))

- -- 
Cheers / Saludos,

		Carlos E. R.

  (from 13.1 x86_64 "Bottle" (Minas Tirith))
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