Hi Jeff: Thanks! I will try that.
> On Oct 19, 2008, at 7:05 PM, Wen Hao Wang wrote: > >> I have one cluster without Internet connection. I want to test >> OpenMPI functions on it. It seems MTT can not be used. Do I have any >> other choice for the testing? >> > > You can always run tests manually. MTT is simply our harness for > automated testing, which *usually* (but not always) involves > downloading the latest nightly snapshot from the IU web site. > > You can certainly configure MTT to use a local copy of Open MPI and > not use the IU web nightly snapshot. > >> I have tried lamtest. "make -k check" gave a lot of IB related >> warnings, indicating that my dat.conf file contained invalid entry. >> Each machine of my cluster has one IB connectX adapter installed. >> But do not know why lamtest detected that. >> > > > You must have built with udapl support. Open MPI will use as many > interfaces as you have built for; if you have built support for udapl > (which I do not believe we build by default on Linux -- you have to > specifically ask for it to be built because [among other reasons] OMPI > would prefer to use verbs, not udapl), then we initialize udapl at run > time and if you have an illegal dat.conf file, then I'm guessing udapl > is complaining about it. I don't know very much about udapl, so I > can't give good guidance here (other than suggesting not building > udapl support and just testing the native verbs support, which is > where we put all of our effort for Linux/OpenFabrics/Open MPI support). > > OMPI's udapl support is mainly for Sun, because udapl *is* [currently] > their high-performance network stack. > > -- > Jeff Squyres > Cisco Systems Wen Hao Wang Email: wangw...@cn.ibm.com
