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Re: [Linux-cluster] GFS for Linux kernel 2.6.16



Hi Thomas,

Thomas Karsten wrote:
When do you decide to develop for a new kernel? Couldn't you store the code
in your releases directory and tag it before you start programming for a new
kernel version? In this case you will always have working releases for
various kernel versions.
For development, we try to stay with the latest kernel defined by kernel.org in their git repositories. At some point, someone at a level above me has to draw a line in the sand and freeze the kernels for both Fedora Core and the development versions of Red Hat Enterprise Linux (RHEL). The kernel.org kernels are so fast-moving that it's usually a bit out of date when we freeze the kernel. So we often have to keep our own kernel patches so that the development code will compile against the frozen Linux kernel. Tagging it sounds like a good idea, but that whole process is done by
somebody else, so I don't know much about it.
I know and I agree :-) Unfortunately I am using a Xen kernel and standard
Xen builds only against version 2.6.16.
We've got Xen building for 2.6.17 and probably 2.6.18, but again, that's someone
else, so I'm afraid I'm not much help there.
I just know that some people are testing the new code on Xen clusters, that is, clusters that are virtual, i.e. running on the same physical box, through Xen,
or for example, dozens of virtual machines running from a few boxes on Xen.
I agree. This would make it much easier to find the matching sources,
especially for people who will download GFS for the first time (like me).
Since a version of GFS is build against a special kernel version I was
surprised that there is no identification of the source code (like the
tagging that Matthew mentioned above).

Thomas
I agree that tagging the versions is a good idea. I'll see if I can talk to the
build people about this.

Regards,

Bob Peterson
Red Hat Cluster Suite


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