Just for information.
The following command allows to avoid the problem.

dlnkmgr set -rcv on 2

Jacques

pbem_troispoils@yahoo.fr (Jacques Troispoils) wrote in message news:<818fbcff.0307100217.133e9f4a@posting.google. com>...
> Hi,
>
> We are currently using a SAN with Hitachi storage.
> Each LUN is reachable by two servers (p630 AIX5.1 ML4).
> We create one vg on each lun.
>
> My concern is that each vg can be varyonned concurrently on both
> server despite the option "concurrent" is set to no.
>
> Does anyone know something about this problem ?
>
> Many thanks
>
> Jacques