[Linux-cluster] uncontrolled entry
teigland at redhat.com
Wed Oct 30 17:01:19 UTC 2013
On Thu, Oct 24, 2013 at 05:18:02PM +0300, Vladimir Melnik wrote:
> I'll be very grateful for any clue or advice. I have a cluster (GFS2/DLM on
> iSCSI). Something happened today, so one node has stopped working in cluster
> and all operations with the filesystem was giving "input/output errors".
> Other nodes are working okay.
> I unmounted the filesystem and stopped all services (gfs2, clvmd, cman,
> iscsi, iscsid), but I can't start cman again. That's what I have in
> fenced: found uncontrolled entry
> gfs_controld: found uncontrolled gfs2 fs ckvm1_pod1:vg_psv4
> Yes, I really have this "uncontrolled entry", how to get rid of it without
> rebooting the node?
That's not possible; you must reboot the node to clear it. The problem is
caused when gfs_controld dies or is killed while gfs2 is still mounted.
This leaves an orphaned/uncontrolled gfs2 fs in the kernel (the same also
applies to dlm). The machine must be rebooted to clear it.
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