IOR-3.2.0: MPI Coordinated Test of Parallel I/O Began : Mon Oct 15 10:35:23 2018 Command line : /ddn/benchmark/io-500-dev/bin/ior -r -R -C -Q 1 -g -G 27 -k -e -t 2048k -b 2000000m -F -o /ddn/benchmark/io-500-dev/datafiles/io500.2018.10.15-10.00.59/ior_easy/ior_file_easy -O stoneWallingStatusFile=/ddn/benchmark/io-500-dev/datafiles/io500.2018.10.15-10.00.59/ior_easy/stonewall Machine : Linux nas6 TestID : 0 StartTime : Mon Oct 15 10:35:23 2018 Path : /ddn/benchmark/io-500-dev/datafiles/io500.2018.10.15-10.00.59/ior_easy FS : 697.5 TiB Used FS: 20.6% Inodes: 133.0 Mi Used Inodes: 3.0% Options: api : POSIX apiVersion : test filename : /ddn/benchmark/io-500-dev/datafiles/io500.2018.10.15-10.00.59/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 tasks : 2 clients per node : 2 repetitions : 1 xfersize : 2 MiB blocksize : 1.91 TiB aggregate filesize : 3.81 TiB Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- WARNING: Expected aggregate file size = 4194304000000. WARNING: Stat() of aggregate file size = 1267241844736. WARNING: Using actual aggregate bytes moved = 1267241844736. read 4314 2048000000 2048.00 0.001822 280.12 0.000838 280.12 0 Max Read: 4314.33 MiB/sec (4523.90 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Max(OPs) Min(OPs) Mean(OPs) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggs(MiB) API RefNum read 4314.33 4314.33 4314.33 0.00 2157.16 2157.16 2157.16 0.00 280.12169 0 2 2 1 1 1 1 0 0 1 2097152000000 2097152 1208536.0 POSIX 0 Finished : Mon Oct 15 10:40:03 2018