[Gluster-devel] Gluster health/status
raghavendra at gluster.com
Tue Feb 23 04:20:18 UTC 2010
Here is some work related to Health monitoring. glfs-health.sh is a shell
script to check the health of glusterfs.
Documentation can be found from
We welcome improvements and discussions on this.
2010/2/23 Harald Stürzebecher <haralds at cs.tu-berlin.de>
> 2010/2/22 Samuel Hassine <samuel.hassine at gmail.com>:
> > I'm also looking for a way to monitor gluster nodes.
> > Any solutions ?
> > Le lundi 22 février 2010 à 10:12 +0500, Anton a écrit :
> >> Hello!
> >> I'm looking for the way to determine the health of the GLUSTER
> >> cluster. Is there any way to determine if any of the nodes failed? In
> >> the log files it is possible to grep that there is "remotexx:
> >> disconnected" - but it is not sutable for monitoring. There should be
> >> the simple way to just query the cluster against the .vol file and
> >> see, if any node/brick failed to attach and so trigger the alarm. Is
> >> there anything like "gluster --reporthealth"?
> Checking if a connection to the GlusterFS TCP server port (6996 IIRC)
> is possible might be an indicator for working/failing - at least for
> setups that use TCP. I don't know if anything like that is possible
> for Infiniband-only setups.
> IIRC, Nagios can check if a port is open on a remote machine. That
> won't find something like disk/filesystem problems on the server, but
> it could report crashed GlusterFS server processes and machines that
> are not working at all.
> I know that this simple method won't provide a positive status (=it
> works) which would be preferable, but at least it can provide a
> negative status (=_something_ failed on _that_ machine) in some cases.
> IIRC, some time ago someone requested a syslog feature to debug
> problems with GlusterFS as root filesystem for a diskless cluster -
> are there any news on that?
> Having the clients report problems to a central logging server might
> be useful for monitoring.
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> Gluster-devel at nongnu.org
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