[dm-devel] multipath-tools Makefile

Christophe Varoqui christophe.varoqui at free.fr
Tue Jun 19 21:34:25 UTC 2007


Le mardi 19 juin 2007 à 14:25 -0700, Chandra Seetharaman a écrit :
> On Tue, 2007-06-19 at 23:15 +0200, Christophe Varoqui wrote:
> > Le lundi 18 juin 2007 à 17:57 -0700, Chandra Seetharaman a écrit :
> > > Hi,
> > > 
> > > Sorry about the late response. I just realized that pp_rdac has been
> > > added to the multipath tree.
> > > 
> > > pp_rdac is not needed to support lsi-rdac devices. pp_tpc performs
> > > equally good. I repeated my tests with pp_tpc and they did work well.
> > > 
> > rdac has superseded the tpc checker in the upstream tree.
> > 
> 
> (A):
> > This checker is currently the only one usable with LSI Engenio hardware
> > integrated by either IBM or SGI. As such I don't plan on removing it
> > from the tree, if it's ok with you.
> > 
> 
> I am little confused here.
> 
> Background info:
> ------
> (1) When I said we do _not_ need pp_rdac, I am referring to path
> priority callout code(the code I submitted on May 21st). Code under the
> directory path_priority/pp_rdac.
> 
> (2) The path checker code I submitted on March 23rd is needed to support
> the LSI Engenio hardware. This code resides in libcheckers/rdac.c
> ------
> 
> (2) is needed and I presume you are referring to that at (A) 
> 
> (1) is not needed and we can achieve the same with
> path_priority/pp_tpc/mpath_prio_tpc
> 

The confusion was on my side, thank you for pointing it.
I'll get back to my homework then.




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