On Thu, Jul 14, 2011 at 12:43:32PM -0700, Adesanya, Adeyemi wrote: > > Just need some clarification on this: > > We use the o2ib driver for Lustre IB communication. We also use IPoIB to > define IP addresses for the IB interfaces in the network. Does the MTU > configuration parameter impact Lustre in any way? My understanding is that > LNET is only using IPoIB for address resolution when using o2ib.
IPoIB MTU settings don't affect Lustre/LNet in any way if the o2ib driver is used. With recent Lustre releases, you can find out path MTU of each IB connection used by LNet with: lctl conn_list --net o2ib0, for example. - Isaac ______________________________________________________________________ This email may contain privileged or confidential information, which should only be used for the purpose for which it was sent by Xyratex. No further rights or licenses are granted to use such information. If you are not the intended recipient of this message, please notify the sender by return and delete it. You may not use, copy, disclose or rely on the information contained in it. Internet email is susceptible to data corruption, interception and unauthorised amendment for which Xyratex does not accept liability. While we have taken reasonable precautions to ensure that this email is free of viruses, Xyratex does not accept liability for the presence of any computer viruses in this email, nor for any losses caused as a result of viruses. Xyratex Technology Limited (03134912), Registered in England & Wales, Registered Office, Langstone Road, Havant, Hampshire, PO9 1SA. The Xyratex group of companies also includes, Xyratex Ltd, registered in Bermuda, Xyratex International Inc, registered in California, Xyratex (Malaysia) Sdn Bhd registered in Malaysia, Xyratex Technology (Wuxi) Co Ltd registered in The People's Republic of China and Xyratex Japan Limited registered in Japan. ______________________________________________________________________ _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
