[Beowulf] Building new cluster - estimate

Joe Landman landman at scalableinformatics.com
Mon Aug 4 17:47:36 PDT 2008

Matt Lawrence wrote:

> So, any good info on kernel configuration when I go to build a new rpm? 

Don't start with the distro .src.rpm for the kernel.  Build your own, 
and integrate your patches manually.  Best way is take the barebones 
kernel from kernel.org, do a 'make rpm-pkg' on it (will generate a 
source RPM and spec file for you).  Then install this source rpm, and 
voila, you have a working spec file.

Integrate your patches into this, and use this to build.

Decide what you need to support on your machines to spec your kernel 
version.  Late model 2.6.25.x support NFS over RDMA so if you want that, 
you need the latest flavor of this.  Decide which file system options 
you want, and make sure to integrate them (as modules).  Remove things 
that you wont use (ISDN, Telephony, ARCNET, ...)

> There are a huge number of options and you have obviously gone through 
> them much more recently than I have.

A make xconfig can be quite helpful in changing the .config.

> -- Matt
> It's not what I know that counts.
> It's what I can remember in time to use.
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Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web  : http://www.scalableinformatics.com
phone: +1 734 786 8423
fax  : +1 866 888 3112
cell : +1 734 612 4615

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