[dm-devel] Too many paths from multipath?

[Edward Choi]

On Thu, Dec 3, 2009 at 1:57 AM, Jose Nuno Neto <j.neto at eib.org> wrote:

> Ok that seems right, but on my case I have 4connections per HBA total of
> 8per Lun
>
> The info I got regarding zoning is that each HBA is connected/zoned to only
> one Storage controller
> So that would make 2connections per Lun
>
> What I suspect is that the Fabric here is made of 4switchs and that makes
> 4x plus. The SAN people just configured it with a generic "big" fabric
> zoning just one connection. but Linux shoes 4. could this be the reason?
>
>
The number of paths shown on multipath -ll depends on how your zoning is
done. The easiest way is to check with your SAN administrator on how the
zoning is done and on how many switches and that will explain the 8 paths
you're seeing.

--
Regards,
Edward Choi.
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