Re: ld vs. dkctl in netbsd-8

On Thu, 29 Nov 2018 at 15:13, Louis Guillaume <[email protected]> wrote:
>
> > As an empirical check I'd be inclined to perform some write tests to a
> > filesystem on the RAID and see if the disks report similar time
> > utilisation from 'iostat -x 5'.
> > Probably just dd'ing /dev/zero to a file would be fine, though you
> > could also run a disk test like bonnie++.
>
> Below are some test results from bonnie++. Seems there is some big
> discrepancy on "intelligent" writes, but not as drastic on "rewrites".
>
> dk1 and dk3 are the raidframe components for "raid2". dk8 is a wedge on
> raid2, and it is used as an LVM PV, which contains the filesystem on
> which bonnie is being run.

That looks good to me, in terms of it doesn't appear that either disk
is significantly underperforming the other :)

David