extending volumes

Dimitar Vasilev dimitar.vassilev at gmail.com
Sun Oct 23 13:25:33 PDT 2005


2005/10/23, bc <bc at default.co.yu>:
> On Fri, 2005-10-21 at 07:35 +0300, Dimitar Vasilev wrote:
> > Hi!
> > Could someone advise on how to extend an existing stripe with growfs?
> > I posted a question on freebsd-questions before 3 days and never got reply.
> > The message is available at
> > http://marc.theaimsgroup.com/?l=freebsd-questions&m=112966827119797&w=2
> >
>
> Hello,
>
> I think you're attempting to do impossible.
Under Solaris and AIX it is perfectly possible - however they're another beer.
> I've recreated your scenario using 3 mfs backed disks md0, md1 and m2.
> And I'm keep getting this in my logs:
>
> Oct 23 22:03:54 serafim kernel: GEOM_STRIPE: Disk md0 removed from
> test2.
> Oct 23 22:03:54 serafim kernel: GEOM_STRIPE: Disk md1 removed from
> test2.
> Oct 23 22:03:54 serafim kernel: GEOM_STRIPE: Device test2 destroyed.
> Oct 23 22:03:54 serafim kernel: GEOM_STRIPE: Device test2 created
> (id=4230158283).
> Oct 23 22:03:54 serafim kernel: GEOM_STRIPE: Disk md0 attached to test2.
> Oct 23 22:03:54 serafim kernel: GEOM_STRIPE: Disk md1 attached to test2.
> Oct 23 22:03:54 serafim kernel: GEOM_STRIPE: Disk md1 removed from
> test2.
> Oct 23 22:03:54 serafim kernel: GEOM_STRIPE: Disk md1 attached to test2.
>
>
> I've joined md0 and md1 in one striped volume, created some bulk files,
> stopepd it, then created again along with md2 in group. Beside that log
> snippet nothing apears in /dev/stripe/
>
> Btw, I've used 5.4-RELEASE GENERIC kernel.

Ours is not very far from GENERIC - we include GENERIC and couple of
options (PF,PIM,etc). The machine is  5.4-stable/amd64
It's still a solution - we will know that is risky and will setup a
new stripe from the spare disks that we have and will run with them
for about a year.
Then will upgrade to a decent 3ware controller, a bunch of new disks
and other stuff.

Благодаря/Thanks/Hvala!
--
Димитър Василев
Dimitar Vassilev

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