IOR-3.2.0: MPI Coordinated Test of Parallel I/O Began : Fri Jun 7 09:57:19 2019 Command line : /g/data4/io500/io-500-dev/bin/ior -w -C -Q 1 -g -G 27 -k -e -t 2048k -b 131072m -F -E -o /g/data4/io500/datafiles/ior_easy/ior_file_easy -O stoneWallingStatusFile=/g/data4/io500/datafiles/ior_easy/stonewall -O stoneWallingWearOut=1 -D 0 Machine : Linux g4-lnet01 TestID : 0 StartTime : Fri Jun 7 09:57:19 2019 Path : /g/data4/io500/datafiles/ior_easy FS : 15260.4 TiB Used FS: 31.8% Inodes: 4750.9 Mi Used Inodes: 0.9% Options: api : POSIX apiVersion : test filename : /g/data4/io500/datafiles/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 : 180 clients per node : 18 repetitions : 1 xfersize : 2 MiB blocksize : 128 GiB aggregate filesize : 22.50 TiB Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- stonewalling pairs accessed min: 65536 max: 65536 -- min data: 128.0 GiB mean data: 128.0 GiB time: 368.5s write 63952 134217728 2048.00 0.003494 368.91 0.001652 368.92 0 Max Write: 63952.19 MiB/sec (67058.73 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 write 63952.19 63952.19 63952.19 0.00 31976.09 31976.09 31976.09 0.00 368.91560 0 180 18 1 1 1 1 0 0 1 137438953472 2097152 23592960.0 POSIX 0 Finished : Fri Jun 7 10:03:28 2019