On Wed, Aug 20, 2008 at 12:57:24PM +0200, Kees Hoekzema wrote:
>
>
>
> > -----Original Message-----
> > He wants the RDAC hw handler and its path checker (rdac). The MD3000i
> > is an
> > LSI re-branded box and is the same as the IBM DS3300.
> >
> > >
> > > You also want to make sure that you are using the md3000i hw handler
> > or
> > > scsh_dh_module if you are not already. The dm-devel guys can help you
> > out.
> >
> > Here is the multipath.conf he should be using for MD3000i (or for the
> > DS3300
> > but will need to modify the vendor/model entry)
> >
> > # Note: The same as the IBM DS3300
> > #
> > device {
> > vendor "DELL"
> > product "MD3000i"
> > product_blacklist "Universal Xport"
> > features "1 queue_if_no_path"
> > path_grouping_policy group_by_prio
> > hardware_handler "1 rdac"
> > path_checker rdac
> > prio "rdac"
> > failback immediate
> > }
> >
> >
>
> This fixed the problem, although a simple flush was not enough to activate
Glad to hear that.
> the changes, so it took a bit longer to get the result I wanted. In the end
> I saw that it was still using the direction path_checker and noticed that
> you cannot change the 'path_checker' on the fly with just a multipath -F /
> -v 2, but that a reload of the modules was needed.
Ohh, you could also do: multipathd -k'reconfigure'
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