IOR-3.2.0: MPI Coordinated Test of Parallel I/O Began : Sun Nov 11 16:45:08 2018 Command line : /scratch/io-500-dev-master/bin/ior -w -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -s 42000 -o /lustre/gcp/io500/datafiles/io500.2018.11.11-16.28.26/ior_hard/IOR_file -O stoneWallingStatusFile=/lustre/gcp/io500/datafiles/io500.2018.11.11-16.28.26/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux lgcp-client0 TestID : 0 StartTime : Sun Nov 11 16:45:08 2018 Path : /lustre/gcp/io500/datafiles/io500.2018.11.11-16.28.26/ior_hard FS : 144.4 TiB Used FS: 38.1% Inodes: 2400.0 Mi Used Inodes: 0.9% Options: api : POSIX apiVersion : test filename : /lustre/gcp/io500/datafiles/io500.2018.11.11-16.28.26/ior_hard/IOR_file access : single-shared-file type : independent segments : 42000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 tasks : 960 clients per node : 8 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 1.72 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: 38296 max: 42000 -- min data: 1.7 GiB mean data: 1.8 GiB time: 300.0s write 5793 45.91 45.91 0.022770 312.00 0.010409 312.03 0 Max Write: 5792.97 MiB/sec (6074.37 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 5792.97 5792.97 5792.97 0.00 129219.96 129219.96 129219.96 0.00 312.02609 0 960 8 1 0 1 1 0 0 42000 47008 47008 1807558.6 POSIX 0 Finished : Sun Nov 11 16:50:20 2018