ior WARNING: fsync() not supported in selected backend. Using value of 0. IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Fri Nov 8 10:28:28 2019 Command line : /home/daos/install/bin/ior -w -t 512k -a DFS --dfs.pool e149eaaf-ac9b-4d5f-ae05-7932caa11de5 --dfs.cont 5000c9fc-d8a7-4992-8c77-b945e603aa07 --dfs.svcl 1 --dfs.prefix /mnt/dfuse -b 1000000m -i 1 -C -Q 1 -g -G 27 -k -e -o /mnt/dfuse/datafiles/io500.2019.11.08-10.28.23/ior_easy/ior_file_easy -O stoneWallingStatusFile=/mnt/dfuse/datafiles/io500.2019.11.08-10.28.23/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux wolf-79.wolf.hpdd.intel.com TestID : 0 StartTime : Fri Nov 8 10:28:28 2019 Options: api : DFS apiVersion : DAOS test filename : /mnt/dfuse/datafiles/io500.2019.11.08-10.28.23/ior_easy/ior_file_easy access : single-shared-file type : independent segments : 1 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 26 tasks : 728 clients per node : 28 repetitions : 1 xfersize : 524288 bytes blocksize : 976.56 GiB aggregate filesize : 694.27 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: 83335 max: 107893 -- min data: 40.7 GiB mean data: 46.1 GiB time: 300.2s WARNING: Expected aggregate file size = 763363328000000. WARNING: Stat() of aggregate file size = 762371319005184. WARNING: Using actual aggregate bytes moved = 41180779773952. WARNING: maybe caused by deadlineForStonewalling write 110835 228246 0.000170 1024000000 512.00 10.02 344.13 0.186389 354.34 0 Max Write: 110834.62 MiB/sec (116218.52 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 110834.62 110834.62 110834.62 0.00 221669.24 221669.24 221669.24 0.00 354.33921 300.17 114572.78 0 728 28 1 0 1 1 0 0 1 1048576000000 524288 39273052.0 DFS 0 Finished : Fri Nov 8 10:34:34 2019