[Gluster-users] CMA: unable to get RDMA device list

[Anoop C S]

On Tue, 2016-06-28 at 06:01 +0000, Alan Hartless wrote:
> Hi Anoop,
> 
> 1. I didn't configure anything specific with RDMA so I assume TCP.
> When I run gluster volume status all on the working pod, it has 0 for
> the RDMA Port. The server that won't start Gluster is a Docker image
> running Ubuntu 14.04 with Gluster 3.7 installed from Gluster's apt
> repositories. 
> 

Fine. So we can take out the involvement of RDMA from the picture.

> 2. There are no error messages for the bricks. No brick logs at all
> on the server since it won't even start Glusterd due to the RDMA
> error. On the working server, there are no errors recorded for the
> bricks. 
> 

Can you also please check errors inside glusterd log file? If you can't
find any error messages there, try increasing the log level to DEBUG by
adding "-L DEBUG" option while starting glusterd and check for any
abnormal messages?

> Thanks,
> Alan
> 
> On Mon, Jun 27, 2016 at 5:52 AM Anoop C S <anoopcs at redhat.com> wrote:
> > On Mon, 2016-06-27 at 15:20 +0530, Anoop C S wrote:
> > > On Sun, 2016-06-26 at 14:48 +0000, Alan Hartless wrote:
> > > >
> > > > I had a glusterd server restart and now glusterfsd refused to
> > > > start.
> > > > When I try to start glusterd with 
> > > > /usr/sbin/glusterd -N -p /var/run/glusterd.pid
> > > >
> > > > I get this:
> > > > librdmacm: couldn't read ABI version.
> > > > librdmacm: assuming: 4
> > > > CMA: unable to get RDMA device list
> > > >
> > > Some queries:
> > > 1. With what transport type have you created the volume? On which
> > > platform are your glusterfs servers running and in case you are
> > using
> > > rdma transport, what packages were installed for setting up the
> > IB
> > > stack?
> > >
> > > 2. Can you please share the error messages from brick logs(under
> > > /var/log/gluster/bricks/) and glusterd logs(under
> > 
> > Small correction. Brick logs are located at
> > /var/log/glusterfs/bricks.
> > 
> > > /var/log/glusterfs/)
> > > for better clarity?
> > >
> > > >
> > > > A google search has been unsuccessful on how to resolve this.
> > Any
> > > > ideas?
> > > >
> > > > Thanks!
> > > > Alan
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