Hi,

it would be much easier to grab a prepackaged mainline kernel from
elrepo, which includes the Ceph-related modules.  The distro packaged
kernel in RHEL / Cent / Sci doesn't provide any of these.

http://elrepo.org/linux/kernel/el6/x86_64/RPMS/

On Wed, Mar 6, 2013 at 3:05 AM, Jiang Long <longjiang2...@gmail.com> wrote:
> I installed ceph 0.56 on Red Hat Enterprise Linux Server release 6.0
> (Santiago). It works well.
> but, when I follow the " block device quick start", I get a problem.
>
> [root@crt24 ceph]# rbd create foo --size  4096
> [root@crt24 ceph]# rados ls -p rbd
> foo.rbd
> rbd_directory
> [root@crt24 ceph]# modeprobe rbd
>
> --------------------------------------------------------------------------------------------------
> Then.  An error occurred!
> --------------------------------------------------------------------------------------------------
> [root@crt24 ceph]# rbd map foo --pool rbd --name client.admin
> rbd: /sys/bus/rbd/add does not exist!
> Did you run 'modprobe rbd' or is your rbd module too old?
> rbd: add failed: (2) No such file or directory
>
> --------------------------------------------------------------------------------------------------
> So I check lsmod first. but no" rbd moudule" found.
> --------------------------------------------------------------------------------------------------
> [root@crt24 fs]# lsmod |grep rbd
> [root@crt24 fs]#
>
> --------------------------------------------------------------------------------------------------
> Then, I try to find rbd.ko. but no rbd.ko too.
> --------------------------------------------------------------------------------------------------
> [root@crt24 ceph]# cd  /lib/modules/2.6.34.14/kernel/drivers/block
> [root@crt24 fs]# ls
> aoe     cciss.ko     cryptoloop.ko  drbd       nbd.ko      sx8.ko  umem.ko
> brd.ko  cpqarray.ko  DAC960.ko      floppy.ko  pktcdvd.ko  ub.ko
>
> So my idea is that recompile the kernel. And  compile the  RBD module  into
> the kernel.
> While, unfortunately,I can't find the RBD module when I “make  menuconfig”.
> Now, I want to know that Is there another solution to add  the RBD module,
> or what I exactly went wrong! thanks a lot!
>
>
>
>
>
>
>
> _______________________________________________
> ceph-users mailing list
> ceph-users@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>



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