[Lustre-discuss] module dependecies

[Keith Mannthey]

Extra Note: If you have Dual Attached Storage and are setup for
Imperative Failover  you can failover targets and fixup your Servers one
at a time without impacting access.

Thanks,
 Keith 



On Thu, 2014-05-15 at 08:24 -0700, Keith Mannthey wrote:
> Michael, 
>   LNET configuration is done at module load time. I don't see any way
> you will you not have to bring down parts of the FS to adjust the system
> at this level. 
> 
> There is some Dynamics Lnet Config work on its way that might allow such
> a switch but not in todays code. 
> 
> Thanks,
>  Keith 
> 
> 
> On Thu, 2014-05-15 at 15:13 +0000, Hebenstreit, Michael wrote:
> > Please do not ask why, but I need to be able to replace the IB stack
> > (as in – all InfiniBand modules) at runtime with a Lustre FS mounted.
> > Is there a possibility to tell lnet to completely switch to tcp,
> > unload ko2iblnd.ko and next unload the IB stack, load the new IB
> > stack, load a matching ko2iblnd.ko and then switch lnet back to
> > preferring o2ib?
> > 
> >  
> > 
> > Thanks
> > 
> > Michael
> > 
> >  
> > 
> > ------------------------------------------------------------------------
> > Michael Hebenstreit                 Senior Cluster Architect
> > Intel Corporation, MS: RR1-105/H14  Software and Services Group/DCE
> > 
> > 4100 Sara Road                      Tel.:   +1 505-794-3144 
> > 
> > Rio Rancho, NM 87124
> > 
> > UNITED STATES                       E-mail:
> > michael.hebenstreit at intel.com
> > 
> >  
> > 
> > 
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