IOR-3.2.0: MPI Coordinated Test of Parallel I/O Began : Thu Nov 8 13:06:43 2018 Command line : /home/jburto2/io-500-dev/bin/ior -w -C -Q 1 -g -G 27 -k -e -t 4m -b 153600m -F -a MPIIO -o /mnt/lustre/jburto2/io500/datafiles/io500.2018.11.08-13.06.41/ior_easy/ior_file_easy -O stoneWallingStatusFile=/mnt/lustre/jburto2/io500/datafiles/io500.2018.11.08-13.06.41/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux pvfs017-ib0.palmetto.clemson.edu TestID : 0 StartTime : Thu Nov 8 13:06:43 2018 Path : /mnt/lustre/jburto2/io500/datafiles/io500.2018.11.08-13.06.41/ior_easy FS : 144.2 TiB Used FS: 5.6% Inodes: 289.6 Mi Used Inodes: 0.0% Options: api : MPIIO apiVersion : (3.0) test filename : /mnt/lustre/jburto2/io500/datafiles/io500.2018.11.08-13.06.41/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 : 32 clients per node : 2 repetitions : 1 xfersize : 4 MiB blocksize : 150 GiB aggregate filesize : 4.69 TiB stonewallingTime : 300 stoneWallingWearOut : 1 Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- stonewalling pairs accessed min: 30079 max: 37466 -- min data: 117.5 GiB mean data: 131.8 GiB time: 300.2s WARNING: Expected aggregate file size = 5153960755200. WARNING: Stat() of aggregate file size = 5028601397248. WARNING: Using actual aggregate bytes moved = 5028601397248. WARNING: maybe caused by deadlineForStonewalling write 13617 157286400 4096 0.003649 352.15 0.019788 352.17 0 Max Write: 13617.28 MiB/sec (14278.75 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 13617.28 13617.28 13617.28 0.00 3404.32 3404.32 3404.32 0.00 352.17371 0 32 2 1 1 1 1 0 0 1 161061273600 4194304 4795648.0 MPIIO 0 Finished : Thu Nov 8 13:12:36 2018