Warning: Permanently added 'lustre-client-6,10.166.0.87' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-5,10.166.0.86' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-2,10.166.0.72' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-7,10.166.0.90' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-3,10.166.0.88' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-8,10.166.0.94' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-4,10.166.0.73' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-9,10.166.0.7' (ECDSA) to the list of known hosts. Warning: Permanently added 'lustre-client-10,10.166.0.96' (ECDSA) to the list of known hosts. IOR-3.3alpha1: MPI Coordinated Test of Parallel I/O Began : Fri Jun 7 12:41:41 2019 Command line : /opt/io-500-dev/bin/ior -w -s 66000 -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /mnt/datafiles/io500.2019.06.07-12.29.22/ior_hard/IOR_file -O stoneWallingStatusFile=/mnt/datafiles/io500.2019.06.07-12.29.22/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux lustre-client-1 TestID : 0 StartTime : Fri Jun 7 12:41:41 2019 Path : /mnt/datafiles/io500.2019.06.07-12.29.22/ior_hard FS : 232.3 TiB Used FS: 1.3% Inodes: 222.4 Mi Used Inodes: 1.1% Options: api : POSIX apiVersion : test filename : /mnt/datafiles/io500.2019.06.07-12.29.22/ior_hard/IOR_file access : single-shared-file type : independent segments : 66000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 tasks : 50 clients per node : 5 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 144.47 GiB 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: 38157 max: 66000 -- min data: 1.7 GiB mean data: 2.7 GiB time: 300.0s write 365.40 45.91 45.91 0.016308 404.85 0.004731 404.87 0 Max Write: 365.40 MiB/sec (383.15 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 365.40 365.40 365.40 0.00 8150.79 8150.79 8150.79 0.00 404.86857 0 50 5 1 0 1 1 0 0 66000 47008 47008 147940.1 POSIX 0 Finished : Fri Jun 7 12:48:26 2019