[lustre-discuss] lustre error when trying to mount

[Riccardo Veraldi]

here is the reason, it's a CENTOS 7.5 kernel bug

https://bugs.centos.org/view.php?id=15193

On 9/10/18 11:05 PM, Riccardo Veraldi wrote:
>
> hello,
>
> I installed a new Lustre system where MDS and OSSes are version 2.10.5
>
> the lustre clients are running 2.10.1 and 2.9.0
>
> when I try to mount the filesystem it fails with these errors:
>
> OSS:
>
> Sep 10 22:39:46 psananehoss01 kernel: LNetError: 
> 10055:0:(o2iblnd_cb.c:2513:kiblnd_passive_connect()) Can't accept 
> 172.21.52.33 at o2ib2: -22
> Sep 10 22:39:46 psananehoss01 kernel: LNet: 
> 10055:0:(o2iblnd_cb.c:2212:kiblnd_reject()) Error -22 sending reject
>
> Client:
>
> Sep 10 22:41:26 psana101 kernel: LNetError: 
> 336:0:(o2iblnd_cb.c:2726:kiblnd_rejected()) 172.21.52.90 at o2ib2 
> rejected: consumer defined fatal error
>
>
> I Am afraid this is the consequence of a mixed configuration.
>
> on the client side Lustre is configured in /etc/modprobe/lustre.conf
>
> options lnet networks=o2ib2(ib0),tcp0(enp6s0),tcp1(enp6s0),tcp2(enp6s0)
>
> on the OSS site I am using lnet.conf
>
> ip2nets:
>  - net-spec: o2ib2
>    interfaces:
>       0: ib0
>  - net-spec: tcp2
>    interfaces:
>       0: enp8s0f0
>
> I supposed that peers could be discovered automatically and added 
> automatically to lnet
>
> Should I revert back to static lustre.conf  on the OSS side too ?
>
> I have several lustre clients I cannot add all of them in a peers 
> section inside lnet.conf on the OSS side
>
> any hints are very welcomed.
>
> thank you
>
>
> Rick
>
>
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