[Beowulf] CentOS plus Fedora kernel?
greg.matthews at diamond.ac.uk
Fri Nov 27 05:08:42 EST 2009
ack... meant this to go to the list:
Karen Shaeffer wrote:
> On Thu, Nov 26, 2009 at 03:20:14PM +1100, Chris Samuel wrote:
>> ----- "Karen Shaeffer" <shaeffer at neuralscape.com> wrote:
>>> BTW, centos 5 runs a modified ext3 filesystem. So,
>>> that is an issue you'll need to come to terms with
>>> in moving to other kernels.
>> We've not seen any issues running mainline kernels
>> (2.6.30.x at present) with CentOS 5, what issues have
>> you seen with this ?
> Hi Chris,
> Actually, I haven't tried it recently. But I have recently tried
> to run a recompiled and reconfigured RHEL 5 kernel on a stock
> ext3 filesystem. And it crashed almost immediately with filesystem
> corruption. And the RHEL 5 grub can't read a stock ext3 filesystem
this is news to me. where can I find info on the modifications that RH
are using? Google hasn't turned anything up for me this morning.
> I appreciate your feedback, because I was wondering about that
> very question. And my comment only meant to suggest one needed to
> be aware of the issue. Based on your comments, it appears the RH
> extension of ext3 is backward compatible with kernel.org kernels.
> But apparently the RH kernels require the extensions in order to
Greg Matthews 01235 778658
Senior Computer Systems Administrator
Diamond Light Source, Oxfordshire, UK
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