I'm no LNet expert, but I do know your o2iblnd module settings need to match on client and server (see /etc/modprobe.d/).
There is work being done to make this more flexible, but it's not finished yet. Cheers, Andreas > On Nov 11, 2017, at 08:37, john casu <j...@chiraldynamics.com> wrote: > > Have a bizarre issue, where I can lctl ping between clients and lctl ping > between servers > but cannot ping between a client and a server. > > on my server, I see the following error that seems to explain the issue: > Nov 10 09:19:01 mds1 kernel: LNet: > 328:0:(o2iblnd_cb.c:2343:kiblnd_passive_connect()) Can't accept conn from > 10.55.10.11@o2ib (version 12): max_frags 256 too large (32 wanted) > > Does anyone have any advice on how to simply resolve this? > > I'm running 3.10.0-514.10.2.el7_lustre.x86_64 on the server (centos 7.2 base) > and > 3.10.0-514.10.2.el7_lustre.x86_64 on the client (centos 7.3 base) > also using built in IB drivers. > > thanks, > -john c. > _______________________________________________ > lustre-discuss mailing list > lustre-discuss@lists.lustre.org > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org _______________________________________________ lustre-discuss mailing list lustre-discuss@lists.lustre.org http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org