IOR-3.4.0+dev: MPI Coordinated Test of Parallel I/O Began : Tue Oct 26 21:50:47 2021 Command line : ./ior -C -Q 1 -g -G 747058756 -k -e -o ./experiment/exdata8/2021.10.26-21.50.42/ior-easy/ior_file_easy -O stoneWallingStatusFile=./experiment/exres8/2021.10.26-21.50.42/ior-easy.stonewall -t 2m -b 3200000m -F -w -D 300 -O stoneWallingWearOut=1 -a POSIX -O saveRankPerformanceDetailsCSV=./experiment/exres8/2021.10.26-21.50.42/ior-easy-write.csv Machine : Linux prism-1 TestID : 0 StartTime : Tue Oct 26 21:50:47 2021 Path : ./experiment/exdata8/2021.10.26-21.50.42/ior-easy/ior_file_easy.00000000 FS : 433.3 TiB Used FS: 0.0% Inodes: 1013.8 Mi Used Inodes: 2.6% Options: api : POSIX apiVersion : test filename : ./experiment/exdata8/2021.10.26-21.50.42/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 : 4 tasks : 240 clients per node : 60 repetitions : 1 xfersize : 2 MiB blocksize : 3.05 TiB aggregate filesize : 732.42 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: 4965 max: 17890 -- min data: 9.7 GiB mean data: 15.6 GiB time: 320.3s WARNING: Expected aggregate file size = 805306368000000 WARNING: Stat() of aggregate file size = 9004331827200 WARNING: Using actual aggregate bytes moved = 9004331827200 WARNING: Maybe caused by deadlineForStonewalling write 11619 5811 0.000382 3276800000 2048.00 0.089536 738.92 0.007455 739.05 0