You appear to have selinux enabled which is missing policies for
configfs/ocfs2.
We are still investigating the issue, but one quick solution would be to
disable selinux. :)
Peter Sylvester wrote:
> I've got a fresh RHEL AS 4-U2 installation on a Dell PE2850 server.
>
> I downloaded and installed the latest RPMs:
> ocfs2-2.6.9-22.ELsmp-1.0.7-1.i686.rpm
> ocfs2-tools-1.0.2-1.i386.rpm
> ocfs2console-1.0.2-1.i386.rpm
>
> I was able to start the console, but when I try to run
> cluster->configure_nodes, I get the following error message:
> Could not start cluster stack. This must be resolved before any OCFS2
> filesystem can be mounted.
>
> I tried to start the service via the command line:
> /etc/init.d/o2cb load
>
> And got the error:
> Mounting configfs filesystem at /config: mount: block device configfs
> is write-protected, mounting read-only
> mount: cannot mount block device configfs read-only
> Unable to mount configfs filesystem
> Failed
>
> I tried mounting /config myself via the following, which worked (not
> sure if thats how it *should* be done though):
> mount -t configfs none /config
>
> Now o2cb load puts out the following message:
> Loading module "ocfs2_nodemanager": Unable to load module
> "ocfs2_nodemanager"
> Failed
>
> And an o2cb status shows:
> Module "configfs": Loaded
> Filesystem "configfs": Mounted
> Module "ocfs2_nodemanager": Not loaded
> Module "ocfs2_dlm": Not loaded
> Module "ocfs2_dlmfs": Not loaded
> Filesystem "ocfs2_dlmfs": Not mounted
>
> I tried creating a /etc/ocfs2/cluster.conf myself (using vi), but it
> did not seem to have any effect.
> I tried a fresh reboot but that did not seem to change anything.
> Also note that all commands were run as root, and I am just trying to
> get a single node with local disk working.
>
> There were some error messages reported in /var/log/messages, of the
> form:
> Oct 13 17:02:56 dblinux1 kernel: SELinux: initialized (dev configfs,
> type configfs), not configured for labeling
> Oct 13 17:02:56 dblinux1 kernel: audit(1129237376.191:5): avc:
> denied { mount } for pid=14922 comm="mount" name="/"
dev=configfs
> ino=70286 scontext=root:system_r:initrc_t
> tcontext=system_u:object_r:unlabeled_t tclass=filesystem
>
> Also have some errors of form:
> Oct 13 18:03:49 dblinux1 dbus: Can't send to audit system: USER_AVC
> pid=2587 uid=81 loginuid=-1 message=avc: denied { send_msg } for
> scontext=user_u:system_r:unconfined_t
> tcontext=user_u:system_r:initrc_t tclass=dbus
>
> And this one:
> Oct 13 17:46:36 dblinux1 kernel: OCFS2 Node Manager 1.0.7 Wed Oct 12
> 13:18:42 PDT 2005 (build 6cb35edfedddf6b4d606b95f2579cb39)
> Oct 13 17:46:36 dblinux1 kernel: audit(1129239996.953:8): avc:
> denied { mount } for pid=3903 comm="modprobe"
name="/" dev=configfs
> ino=10949 scontext=root:system_r:initrc_t
> tcontext=system_u:object_r:unlabeled_t tclass=filesystem
> Oct 13 17:46:36 dblinux1 kernel: nodemanager: Registration returned -13
> Oct 13 17:46:36 dblinux1 modprobe: FATAL: Error inserting
> ocfs2_nodemanager
> (/lib/modules/2.6.9-22.ELsmp/kernel/fs/ocfs2/ocfs2_nodemanager.ko):
> Permission denied
>
> Any clues as to what I should do I try from here????
>
> thanks,
> --Peter
>
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