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From: Chandra Seetharaman <sekharan@us.ibm.com>
To: Christophe Varoqui <christophe.varoqui@free.fr>
Cc: dm-cvs@sourceware.org, device-mapper development <dm-devel@redhat.com>
Subject: Re: multipath-tools Makefile
Date: Tue, 19 Jun 2007 14:25:43 -0700	[thread overview]
Message-ID: <1182288343.5301.111.camel@linuxchandra> (raw)
In-Reply-To: <1182287728.20149.255.camel@localhost.localdomain>

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 rdac has superseded the tpc checker in the upstream tree.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

> Regards,
> cvaroqui
> 
-- 

----------------------------------------------------------------------
    Chandra Seetharaman               | Be careful what you choose....
              - sekharan@us.ibm.com   |      .......you may get it.
----------------------------------------------------------------------

  reply	other threads:[~2007-06-19 21:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-18 22:59 multipath-tools Makefile bmarzins
2007-06-19  0:57 ` Chandra Seetharaman
2007-06-19 21:15   ` Christophe Varoqui
2007-06-19 21:25     ` Chandra Seetharaman [this message]
2007-06-19 21:34       ` Christophe Varoqui
2007-06-20  6:13         ` Hannes Reinecke

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