IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Mon Nov 4 16:03:13 2019 Command line : /lustre-pdssd/io-500-dev/bin/ior -w -s 32000 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/ior_hard/IOR_file -O stoneWallingStatusFile=/lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux slurm-io500-2019-compute1 TestID : 0 StartTime : Mon Nov 4 16:03:13 2019 Path : /lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/ior_hard FS : 338.4 TiB Used FS: 14.8% Inodes: 1367.1 Mi Used Inodes: 23.4% Options: api : POSIX apiVersion : test filename : /lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/ior_hard/IOR_file access : single-shared-file type : independent segments : 32000 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 : 2.19 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: 18574 max: 32000 -- min data: 0.8 GiB mean data: 1.1 GiB time: 300.1s write 4346 96967 461.15 45.91 45.91 0.082605 528.02 0.061971 528.16 0 Max Write: 4345.86 MiB/sec (4556.96 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 4345.86 4345.86 4345.86 0.00 96940.14 96940.14 96940.14 0.00 528.16098 300.07 5779.29 0 1600 8 1 0 1 1 0 0 32000 47008 47008 2295312.5 POSIX 0 Finished : Mon Nov 4 16:12:08 2019