You should be able to use the exact same command as in hdfs but make sure you create a symlink from /benchmark or /benchmarks (don't remember with the s or not) to lustre FS. HTH -Minh From: linux freaker <linuxfreaker@gmail.com<mailto:linuxfreaker@gmail.com>> Date: Thursday, May 9, 2013 1:16 AM To: "hpdd-discuss@lists.01.org<mailto:hpdd-discuss@lists.01.org>" <hpdd-discuss@lists.01.org<mailto:hpdd-discuss@lists.01.org>> Subject: [HPDD-discuss] How to run TestDfsio on hadoop running on lustre? Any suggestion?