IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Thu Nov 7 12:33:59 2019 Command line : /work/BMLab/Lustre/io500_sc19/io-500-dev/bin/ior -w -t 2048k -b 44000m -F -i 1 -C -Q 1 -g -G 27 -k -e -o /ai400/datafiles/io500.2019.11.07-21.33.51/ior_easy/ior_file_easy -O stoneWallingStatusFile=/ai400/datafiles/io500.2019.11.07-21.33.51/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux c01-c0 TestID : 0 StartTime : Thu Nov 7 12:33:59 2019 Path : /ai400/datafiles/io500.2019.11.07-21.33.51/ior_easy FS : 28.7 TiB Used FS: 41.9% Inodes: 232.0 Mi Used Inodes: 0.0% Options: api : POSIX apiVersion : test filename : /ai400/datafiles/io500.2019.11.07-21.33.51/ior_easy/ior_file_easy access : file-per-process type : independent segments : 1 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 40 tasks : 240 clients per node : 6 repetitions : 1 xfersize : 2 MiB blocksize : 42.97 GiB aggregate filesize : 10.07 TiB stonewallingTime : 300 stoneWallingWearOut : 1 Results: access bw(MiB/s) IOPS Latency(s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- stonewalling pairs accessed min: 8361 max: 22000 -- min data: 16.3 GiB mean data: 37.7 GiB time: 300.2s write 29305 14658 0.013646 45056000 2048.00 0.207726 360.21 0.209735 360.35 0 Max Write: 29304.88 MiB/sec (30728.40 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Max(OPs) Min(OPs) Mean(OPs) StdDev Mean(s) Stonewall(s) Stonewall(MiB) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggs(MiB) API RefNum write 29304.88 29304.88 29304.88 0.00 14652.44 14652.44 14652.44 0.00 360.34950 300.18 30863.16 0 240 6 1 1 1 1 0 0 1 46137344000 2097152 10560000.0 POSIX 0 Finished : Thu Nov 7 12:39:59 2019