IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Thu Nov 7 12:45:29 2019 Command line : /work/BMLab/Lustre/io500_sc19/io-500-dev/bin/ior -w -s 125000 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /ai400/datafiles/io500.2019.11.07-21.33.51/ior_hard/IOR_file -O stoneWallingStatusFile=/ai400/datafiles/io500.2019.11.07-21.33.51/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux c01-c0 TestID : 0 StartTime : Thu Nov 7 12:45:29 2019 Path : /ai400/datafiles/io500.2019.11.07-21.33.51/ior_hard FS : 28.7 TiB Used FS: 77.1% Inodes: 253.4 Mi Used Inodes: 18.1% Options: api : POSIX apiVersion : test filename : /ai400/datafiles/io500.2019.11.07-21.33.51/ior_hard/IOR_file access : single-shared-file type : independent segments : 125000 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 : 47008 bytes blocksize : 47008 bytes aggregate filesize : 1.28 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: 87687 max: 125000 -- min data: 3.8 GiB mean data: 4.3 GiB time: 300.0s write 3030.57 67612 415.04 45.91 45.91 0.127876 443.70 0.126167 443.78 0 Max Write: 3030.57 MiB/sec (3177.79 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 3030.57 3030.57 3030.57 0.00 67601.00 67601.00 67601.00 0.00 443.78040 300.02 3488.95 0 240 6 1 0 1 1 0 0 125000 47008 47008 1344909.6 POSIX 0 Finished : Thu Nov 7 12:52:53 2019