Re: [Lustre-discuss] Lustre 1.6.5.1 on X4200 and STK 6140 Issues

Tue, 07 Oct 2008 02:44:01 -0700


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-1.6.5.1/ldiskfs/Module.symvers', 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 something.

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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Regards,

Malcolm.

--

Malcolm Cowe
Solutions Integration Engineer

Sun Microsystems, Inc.
Blackness Road
Linlithgow, West Lothian EH49 7LR UK
Phone: x73602 / +44 1506 673 602
Email: [EMAIL PROTECTED]
 
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