IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Wed Nov 6 04:31:28 2019 Command line : /lustre-pdstd/io-500-dev/bin/ior -r -R -t 2048k -b 7440m -F -b 7440m -F -i 1 -C -Q 1 -g -G 27 -k -e -o /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_easy/ior_file_easy -O stoneWallingStatusFile=/lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_easy/stonewall Machine : Linux slurm-io500-2019-compute1 TestID : 0 StartTime : Wed Nov 6 04:31:28 2019 Path : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_easy FS : 967.9 TiB Used FS: 7.7% Inodes: 1950.0 Mi Used Inodes: 8.0% Options: api : POSIX apiVersion : test filename : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/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 : 200 tasks : 1600 clients per node : 8 repetitions : 1 xfersize : 2 MiB blocksize : 7.27 GiB aggregate filesize : 11.35 TiB Results: access bw(MiB/s) IOPS Latency(s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- WARNING: Expected aggregate file size = 12482248704000. WARNING: Stat() of aggregate file size = 7801405440. WARNING: Using actual aggregate bytes moved = 12482248704000. read 84480 42270 0.037850 7618560 2048.00 0.039595 140.81 0.057586 140.91 0 Max Read: 84479.52 MiB/sec (88583.20 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 read 84479.52 84479.52 84479.52 0.00 42239.76 42239.76 42239.76 0.00 140.90989 NA NA 0 1600 8 1 2 1 1 0 0 1 7801405440 2097152 11904000.0 POSIX 0 Finished : Wed Nov 6 04:33:49 2019