On Mar 17, 2007, at 6:25 PM, Michael S. Tsirkin wrote:
1. *NOT AN MPI ISSUE*: base location of the stack. Doug has
repeatedly mentioned that /usr/local/ofed is not good. This is a
group issue to decide.
As long as the base OFED stack is /usr/local/ofed, if someone
calls Red
Hat support to get IB help with RHEL5 or RHEL4U5, they will be
told that
they must first delete all locally built OFED RPMs from the
system. It
simply isn't realistic for us to try and support a system where
conflicting libraries can exist in different locations and
attempts to
resolve the problem could end up being fruitless simply because the
wrong library is getting linked in behind our backs.
I think the prefix is easily configurable.
So I think we should just say in the readme note that prefix
should be /usr if one wants to get redhat support for infiniband.
I think you're missing Doug's point. There is currently no mechanism
for the user to know that they're installing 2 potentially
conflicting versions of the same software (OFED).
For example, I have a suspicion that a current P1 bug (https://
bugs.openfabrics.org/show_bug.cgi?id=461) is due to the fact that
RHEL / SLES's OFED is installed when QLogic is trying to install the
community OFED 1.2 (won't know more until Tuesday -- it's a long/
holiday weekend in India).
If this is correct, it's *another* example of why our installer is
leading to Bad/potentially hazardous practices.
--
Jeff Squyres
Cisco Systems
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