Please provide process for small, targeted fixes in tools/regression

[Garrett Cooper]

On Thu, May 1, 2014 at 4:16 PM, Peel, Casey <casey.peel at isilon.com> wrote:
>> Knowing now what I knew then, it's probably one of the modifications
>> that was made to geom_mirror to be more robust by automatically
>
> Unlikely since this was failing well before we brought in our gmirror
> changes.
>
> # mdconfig -a -t malloc -s 10m -u 0
> # mdconfig -a -t malloc -s 10m -u 1
>
> # gmirror label mirror /dev/md0GEOM_MIRROR: Device mirror/mirror launched
> (1/1).
> # gmirror insert mirror /dev/md1
> GEOM_MIRROR: Device mirror: rebuilding provider md1.
> GEOM_MIRROR: Device mirror: rebuilding provider md1 finished.
>
> # gmirror remove mirror /dev/md0GEOM_MIRROR: Device mirror: provider md0
> destroyed.
> # gmirror remove mirror /dev/md1
> gmirror: mirror: Can't remove the last ACTIVE component /dev/md1.

    Confirmed on relatively vanilla CURRENT.
Cheers!
-Garrett

% gmirror remove mirror /dev/md1
gmirror: mirror: Can't remove the last ACTIVE component /dev/md1.
% uname -a
FreeBSD fbsd-vm.zonarsystems.net 11.0-CURRENT FreeBSD 11.0-CURRENT #5
aa42836(atf): Tue Apr 29 13:47:16 PDT 2014
root at fbsd-vm.zonarsystems.net:/usr/obj/usr/src/sys/GENERIC  i386