[dm-devel] RE: dm-devel Digest, Vol 18, Issue 2
christophe varoqui
christophe.varoqui at free.fr
Wed Aug 3 18:53:44 UTC 2005
>
>
>
> Does this mean that "group_by_serial" utilizes a
> "default_prio_callout" program/script as well, or is there
> another callout (or something totally different that I'm
> missing)?
>
> I've verified that by writing my own "default_prio_callout" script I
> can achieve what I want with both the "group_by_priority" and
> "failover" policies. Once I get done testing/tweaking the script,
> I'll post it in case anyone else wants it.
>
> I can't seem to make group_by_serial work, although I'm not sure I
> understand this policy very well. It sounds like it's supposed to
> make all paths that go to a particular controller (serial?) be in the
> same priority group. For me, it's no different than multibus.
> Probably my misunderstanding, so I'm open to any suggestions...
>
"/sbin/multipath -v4" will verbosely show you the path discovery phase,
including the discovered serials.
May be you'll understand better what happens with your hardware.
Regards,
--
christophe varoqui <christophe.varoqui at free.fr>
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