It’s not possible I suppose. LNet module read configuration only once during
the module load stage. Therefore you cannot reconfigure it without unloading.
So, you need to stop Lustre anyway.
Dmitry.
From: Hebenstreit, Michael
Sent: Thursday, May 15, 2014 7:14 PM
To:
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
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
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
