WARNING: fsync() not supported in selected backend. Using value of 0. IOR-3.4.0+dev: MPI Coordinated Test of Parallel I/O Began : Sat Oct 31 03:00:17 2020 Command line : ./ior -C -Q 1 -g -G 27 -k -e -o /p/ime-scratch/fs/vet1/io500/2020.10.31-01.04.03/ior-hard/file -O stoneWallingStatusFile=/p/project/ddn-ime/SC20/results/2020.10.31-01.04.03/ior-hard.stonewall -O stoneWallingWearOut=1 -t 47008 -b 47008 -s 10000000 -r -R -a IME Machine : Linux jwc09n048.adm09.juwels.fzj.de TestID : 0 StartTime : Sat Oct 31 03:00:17 2020 Path : /p/ime-scratch/fs/vet1/io500/2020.10.31-01.04.03/ior-hard/file FS : 13830.5 TiB Used FS: 61.0% Inodes: 5815.9 Mi Used Inodes: 3.9% Options: api : IME apiVersion : 1.4.1 (141020) test filename : /p/ime-scratch/fs/vet1/io500/2020.10.31-01.04.03/ior-hard/file access : single-shared-file type : independent segments : 10000000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 10 tasks : 400 clients per node : 40 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 171.01 TiB 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: 3995179 max: 3995179 -- min data: 174.9 GiB mean data: 174.9 GiB time: 500.7s WARNING: Expected aggregate file size = 188032000000000 WARNING: Stat() of aggregate file size = 75122149772800 WARNING: Using actual aggregate bytes moved = 75122149772800 read 143046 3191165 500.76 45.91 45.91 0.050069 500.78 0.032837 500.83 0