[Linux-cluster] lock_nolock to lock_dlm trouble

David Teigland teigland at redhat.com
Thu Sep 7 17:53:03 UTC 2006

> I had to remove a storage system from my cluster. It was formatted using
> lock_dlm before being removed. An then, it was plugged on a single
> server, using the "lockproto=lock_nolock" option.
> Now, I put it back in the cluster, but I can 't mount it with the
> standard lock_dlm (but it's ok with the lock_nolock option, but it of
> course prevents me to share it).  The error is
> GFS: Trying to join cluster "lock_dlm", "alpha_cluster:vol001"
> lock_dlm: new lockspace error -17
> GFS: can't mount proto = lock_dlm, table = alpha_cluster:vol001, hostdata =

-17 is EEXIST, meaning a dlm lockspace with the name "vol001" already
exists.  "cman_tool services" should display it.  Do you have another fs
with the same name?  You may need to reboot the system to get it back in


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