IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Wed Nov 6 04:07:04 2019 Command line : /lustre-pdstd/io-500-dev/bin/ior -w -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 -O stoneWallingWearOut=1 -D 300 Machine : Linux slurm-io500-2019-compute1 TestID : 0 StartTime : Wed Nov 6 04:07:04 2019 Path : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_easy FS : 967.9 TiB Used FS: 6.2% Inodes: 1949.9 Mi Used Inodes: 3.7% 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 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: 3720 max: 3720 -- min data: 7.3 GiB mean data: 7.3 GiB time: 298.8s WARNING: Expected aggregate file size = 12482248704000. WARNING: Stat() of aggregate file size = 7801405440. WARNING: Using actual aggregate bytes moved = 12482248704000. WARNING: maybe caused by deadlineForStonewalling write 39607 19807 0.080317 7618560 2048.00 0.040603 300.51 0.009049 300.55 0 Max Write: 39606.77 MiB/sec (41530.71 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 39606.77 39606.77 39606.77 0.00 19803.38 19803.38 19803.38 0.00 300.55470 298.77 39843.73 0 1600 8 1 2 1 1 0 0 1 7801405440 2097152 11904000.0 POSIX 0 Finished : Wed Nov 6 04:12:05 2019