> On Apr 3, 2018, at 1:14 PM, Steve Barnet <bar...@icecube.wisc.edu> wrote:
> There appear to be a
> couple ways that this could be done:
> a) Add the service nodes:
>   tunefs.lustre --servicenode=nid,nid /dev/<OST>
> b) Add a failover node:
>   tunefs.lustre --param="failover.node=<nid> /dev/<OST>

The first one is the preferred method.  Keep in mind that the 
“—servicenode=nid,nid” syntax is intended for specifying multiple nids that 
belong to the same host.  To specify multiple hosts for failover, you will want 
to add a —servicenode option for each host.

Rick Mohr
Senior HPC System Administrator
National Institute for Computational Sciences

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