[gpfsug-discuss] Tiny cluster quorum problem

Jan-Frode Myklebust janfrode at tanso.net
Tue Aug 18 14:45:33 BST 2020

I would expect you should be able to get it back up using the routine at

Maybe you just need to force remove quorum-role from the dead node ?


On Tue, Aug 18, 2020 at 2:16 PM Hannappel, Juergen <
juergen.hannappel at desy.de> wrote:

> Hi,
> on a tiny GPFS cluster with just two nodes one node died (really dead,
> cannot be switched on any more), and now I cannot remove it from the
> cluster anymore.
> [root at exflonc42 ~]# mmdelnode -N exflonc41
> mmdelnode: Unable to obtain the GPFS configuration file lock.
> mmdelnode: GPFS was unable to obtain a lock from node exflonc41.desy.de.
> mmdelnode: Command failed. Examine previous error messages to determine
> cause.
> [root at exflonc42 ~]# mmlscluster
> get file failed: Not enough CCR quorum nodes available (err 809)
> gpfsClusterInit: Unexpected error from ccr fget mmsdrfs. Return code: 158
> mmlscluster: Command failed. Examine previous error messages to determine
> cause.
> Is there any chance to get this cluster up and running again or should I
> wipe it and create a new one from the remaining node?
> There are no data on this cluster, it's a remote cluster to a storage
> cluster and has only compute clients....
> --
> Dr. Jürgen Hannappel  DESY/IT    Tel.  : +49 40 8998-4616
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