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Re: [dm-devel] RE: dm-devel Digest, Vol 18, Issue 2



>                 
>         
>         
>         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 free fr>



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