[Lustre-discuss] Lustre on X4200 and STK 6140 Issues

Malcolm Cowe Malcolm.Cowe at Sun.COM
Tue Oct 7 02:43:26 PDT 2008

Andreas Dilger wrote:
> On Oct 06, 2008  10:59 -0400, Brian J. Murrell wrote:
>> On Mon, 2008-10-06 at 15:47 +0100, Malcolm Cowe wrote:
>>> With respect to the OFED stack used, we are using the latest official
>>> software stack supplied by Voltaire. The reason for this is that there
>>> is more to OFED than just the kernel modules, including many libraries
>>> and tools,
>> None of these should be necessary for Lustre to use I/B.
> Also very important to note is that if you are changing the IB stack,
> then Lustre also needs to be recompiled to work with the new IB stack.
Yes. As a matter of fact, you have anticipated a question I have: how 
does one re-build Lustre in a safe and consistent manner? I'm working 
through the docs, but I have come across a problem when I try to run 
"make rpms" in the Lustre source:

make[4]: *** No rule to make target 
`/usr/src/redhat/BUILD/lustre-', needed by 
`Module.symvers'.  Stop.

How do I ensure that the build environment that Lustre requires is 
properly prepared? I could just hoick a soft link to the Module.symvers 
file in the kernel tree, but that's a little messy.

I've attached a draft copy of the build process to this message. Again, 
just looking to sanity check the method, since I'm obviously missing 

I'm going to rebuild the servers today so that I can provide the debug 
information that Brian requested.
> Cheers, Andreas
> --
> Andreas Dilger
> Sr. Staff Engineer, Lustre Group
> Sun Microsystems of Canada, Inc.
> _______________________________________________
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> Lustre-discuss at lists.lustre.org
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*Malcolm Cowe*
/Solutions Integration Engineer/

*Sun Microsystems, Inc.*
Blackness Road
Linlithgow, West Lothian EH49 7LR UK
Phone: x73602 / +44 1506 673 602
Email: Malcolm.Cowe at Sun.COM

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