IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Wed Nov 6 04:17:32 2019 Command line : /lustre-pdstd/io-500-dev/bin/ior -w -s 41450 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_hard/IOR_file -O stoneWallingStatusFile=/lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux slurm-io500-2019-compute1 TestID : 0 StartTime : Wed Nov 6 04:17:32 2019 Path : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_hard FS : 967.9 TiB Used FS: 7.4% Inodes: 1949.2 Mi Used Inodes: 6.3% Options: api : POSIX apiVersion : test filename : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_hard/IOR_file access : single-shared-file type : independent segments : 41450 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 200 tasks : 1600 clients per node : 8 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 2.84 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: 33158 max: 41450 -- min data: 1.5 GiB mean data: 1.8 GiB time: 300.0s write 8672 193473 303.62 45.91 45.91 0.054349 342.79 0.018257 342.86 0 Max Write: 8671.62 MiB/sec (9092.85 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 8671.62 8671.62 8671.62 0.00 193431.97 193431.97 193431.97 0.00 342.85956 300.05 9646.01 0 1600 8 1 0 1 1 0 0 41450 47008 47008 2973147.0 POSIX 0 Finished : Wed Nov 6 04:23:22 2019