From mboxrd@z Thu Jan 1 00:00:00 1970 From: Isaac Huang Date: Wed, 22 Apr 2009 17:37:46 -0400 Subject: [Lustre-devel] faking LNET scale In-Reply-To: <49E8B7E9.5080101@cray.com> References: <49E8B7E9.5080101@cray.com> Message-ID: <20090422213746.GZ6559@sun.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lustre-devel@lists.lustre.org On Fri, Apr 17, 2009 at 12:10:01PM -0500, Nicholas Henke wrote: > ...... > However, to do this either hacking up lnet_ptlcompat_matchXXX to look at another > flag besides the_lnet.ln_ptlcompat or some other way of allowing a server with a > single NET (ptl0) to accept requests from a variety of nets (ptl1, ptl2, etc). > One cannot use multiple interfaces for the same net type with ln_ptlcompat enabled. Note that Portals compatibility (lnet_ptlcompat_, the_lnet.ln_ptlcompat, and friends) have already been removed from lnet HEAD, on which all 2.x and future releases will be based. > Is there a better way to do this ? What would be the least abusive of th e rules ? If you only have limited number of test nodes, one way to drive the network as hard as possible is to have all nodes use a very high ptllnd peercredits option and run LST test with a high concurrency (with the latest LST patch from 15332). Thanks, Isaac