Re: Understanding Ceph

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On Sat, 19 Jan 2013, Dimitri Maziuk wrote:
> On 1/19/2013 9:50 AM, Peter Smith wrote:
> 
> > 3. OS recommendation: The OS recommendation page:
> > http://ceph.com/docs/master/install/os-recommendations/#bobtail-0-56
> > says CentOS 6.3 has a default kernel with old kernel client. CentOS
> > 6.3 is our production environment.
> 
> I was unable to get ceph to run on centos 6.3 following the "5 minute quick
> start" document. I did get one machine to "unclean" cluster state using
> elrepo's kernel 3.7, but that kernel doesn't boot on most of our boxen
> (boot-time oops in pata-acpi).
> 
> It looks to me that unless inktank backports rbd.ko to 2.6.32, centos/sl users
> won't be able to test ceph for a couple of years: until centos 7.1 comes out
> and we get the chance to reimage our hardware.

If you want to use the kernel client(s), that is true: there are no plans 
to backport the client code to the ancient RHEL kernels.  Nothing prevents 
you from running the server side, though, or the userland clients 
(ceph-fuse, librbd, qemu/KVM, radosgw, etc.)

sage
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