Warning: Permanently added 'lustre-client-5,10.166.0.86' (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-6,10.166.0.87' (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-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-7,10.166.0.90' (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 13:00:15 2019 Command line : /opt/io-500-dev/bin/ior -r -R -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 Machine : Linux lustre-client-1 TestID : 0 StartTime : Fri Jun 7 13:00:15 2019 Path : /mnt/datafiles/io500.2019.06.07-12.29.22/ior_hard FS : 232.3 TiB Used FS: 1.4% Inodes: 222.3 Mi Used Inodes: 2.3% 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 Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- read 323.85 45.91 45.91 0.338614 456.47 0.003199 456.81 0 Max Read: 323.85 MiB/sec (339.58 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 read 323.85 323.85 323.85 0.00 7223.97 7223.97 7223.97 0.00 456.81250 0 50 5 1 0 1 1 0 0 66000 47008 47008 147940.1 POSIX 0 Finished : Fri Jun 7 13:07:52 2019