[ewg] NODE_DESC=$(hostname -s) of openibd give localhost at boot

[giggzounet]

Le mercredi 29 octobre 2014 à 15:05 +0200, Vladimir Sokolovsky a écrit :
> On 16/10/14 10:19, giggzounet wrote:
> > Hi,
> >
> > We have a small cluster with centos 6.5 and infiniband. OFED is
> > installed and infiniband is working. The nodes get their IP with DHCP.
> >
> > At boot openibd is started without error. But the description of each
> > node is "localhost", which is quite annoying. If I do a restart of
> > openibd at the end of the boot, the description is set to the "correct"
> > hostname (n01, n02,...).
> >
> > I think it is a "problem" with the DHCP. At the start of openibd, the
> > node has no IP. But I'm not sure.
> >
> > Is it a classical problem? Is there a way to solve it?
> >
> > Regards,
> > Guillaume
> >
> > _______________________________________________
> > ewg mailing list
> > ewg at lists.openfabrics.org
> > http://lists.openfabrics.org/mailman/listinfo/ewg
> 
> Hi Guillaume,
> 
> There is a workaround for this issue in the /etc/init.d/openibd script (which loads OFED drivers upon boot).
> 
> You can increase the value of NODE_DESC_TIME_BEFORE_UPDATE parameter in the /etc/infiniband/openib.conf file to postpone the node description field update:
> 
> # Wait for NODE_DESC_TIME_BEFORE_UPDATE sec before node_desc update
> 
> NODE_DESC_TIME_BEFORE_UPDATE=10
> 
> Regards,
> 
> Vladimir
> 

Thanks for this tip