[dm-devel] Problems with multipathing

[Christophe Varoqui]

Roger Håkansson a écrit :
> I'm trying to setup a couple of machines running CentOS 4.3 x86_64 using
> disk from a SAN, but I can't get the multipathing to work properly.
>
> The machines (three in total) all have two Emulex LP10000-M2 and thus
> are using the lpfc-driver.
>
> When I boot the machines the paths seem to be multipathed somewhat, if i
> put a "multipath"-tag in /etc/multipath.conf with a specific alias
> (yellow,red) for each wwid, those paths are mapped under /dev/mapper and
> /dev/mpath.
>
> But multipath -ll doesn't show what I expect (basically no mappings) and
> if I do a multipath -F I can't get the mappings back without a reboot.
>
> If I do a 'multipath -v3' directly after boot, this is what I get:
> ...
> Anyone got a clue how to solve this problem?
>
>   
Can you reproduce with upstream version ?

Regards,
cvaroqui