[lustre-discuss] How to added new interface in lustre server?

[Raj]

Lu,
I will add ib0 just so that it becomes more clear to understand in the
future:
options lnet networks=o2ib*(ib0)*,tcp0(em1),tcp1(p5p2)

Reloading lnet module or restarting luster will disconnect all the clients.
But don't worry, the clients will reconnect once it comes back online.
But if you have HA setup, I would recommend you to failover any OSTs that
this node is hosting to its partner. Once failed over, you can stop lnet by:
# lustre_rmmod
And reload lnet by
#modprobe lustre
Check whether you have new nids available locally by:
# lctl list_nids
If everything looks good, you can failback the OSTs to its original OSS
node.

Also, since you are adding a new lnet network (tcp1) or new NID to the
server, I believe you must change the lustre configuration information as
mentioned in the manual unless somebody here says its not necessary.
http://wiki.old.lustre.org/manual/LustreManual20_HTML/LustreMaintenance.html#50438199_31353

Thanks
-Raj



On Fri, Jul 7, 2017 at 1:28 AM Wei-Zhao Lu <wzlu at gate.sinica.edu.tw> wrote:

> Hi ALL,
>
> My lustre server is 2.5.3, there are 2 interface(ib0, tcp).
> module parameter is "options lnet networks=o2ib,tcp"
>
> Now, I changed module parameter as "options lnet
> networks=o2ib,tcp0(em1),tcp1(p5p2)"
> How to reload lnet module or restart lustre service?
> There are many lustre client running jobs, I wish no any bad effect to
> these client.
>
> Thanks a lot.
>
> Best Regards,
> Lu
> _______________________________________________
> lustre-discuss mailing list
> lustre-discuss at lists.lustre.org
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