LNET self-test is discussed in the Lustre manual: http://wiki.lustre.org/manual/LustreManual18_HTML/LustreIOKit.html#50651262_pgfId-1290255
On 12/13/2010 6:35 PM, Nihir Parikh wrote: > > Hello Wang Yibin, > > Can I please get step by step information on how to run lnet_selftest? > > Thanks > > Nihir > > ------------------------------------------------------------------------ > > *From:* Wang Yibin [mailto:[email protected]] > *Sent:* Sunday, November 21, 2010 6:12 PM > *To:* Nihir Parikh > *Cc:* [email protected] > *Subject:* Re: [Lustre-discuss] Help > > 在 2010-11-20，上午8:39， Nihir Parikh 写道： > > > > Hello Wang Yibin, > > Thanks for getting back to me. Yes, S2 and S3 can ping each other > using lctl ping. > > This indicates that your routing is work as expected. > > > > I was using nuttcp test and I also tried ib tests that comes with the > IB utilities. I will lnet-selftest. > > These utilities do not understand lnet protocol so they won't work. > > > > My goal was to measure the bandwidth when it has to reach across > different network. Are there any such tests specific to lustre? > > Lnet has its own testsuite which is called lnet self-test. > > To measure the bandwidth, you can load lnet_selftest module on your > nodes and execute lst in brw mode. > > > > Thanks > > Nihir > > ------------------------------------------------------------------------ > > *From:*Wang Yibin [mailto:[email protected]] > *Sent:*Thursday, November 18, 2010 6:32 AM > *To:*Nihir Parikh > *Cc:*[email protected] > <mailto:[email protected]> > *Subject:*Re: [Lustre-discuss] Help > > Hi, > > 在2010-11-17，上午9:17，Nihir Parikh写道： > > > > > Now my problem is to run some network tests from S2a`S3 and S3a`S2 to > measure the bandwidth but somehow both S2 and S3 complain that network > is unreachable. What am I doing wrong? > > Your configuration seems OK to me.Can S2 and S3 ping each other using > 'lctl ping'? > > What kind of network test did you do? Note that only lustre LNET can > do the routing. > > There's a script in lustre testsuite that's specifically for testing > the network connectivity - lnet-selftest.sh. > > > > > Thanks > > Nihir > > _______________________________________________ > Lustre-discuss mailing list > [email protected] <mailto:[email protected]> > http://lists.lustre.org/mailman/listinfo/lustre-discuss > > _______________________________________________ > Lustre-discuss mailing list > [email protected] <mailto:[email protected]> > http://lists.lustre.org/mailman/listinfo/lustre-discuss > > ------------------------------------------------------------------------ > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > http://lists.lustre.org/mailman/listinfo/lustre-discuss >
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