+ /opt/ddn/mvapich/bin/mpiexec -ppn 2 -np 4 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04,isc17-c05 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 80530636800 -D 60 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:2#PPN:2#API:POSIX#T:102400.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Wed Oct 24 02:46:35 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 80530636800 -D 60 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 02:46:35 2018 Summary: api = POSIX test filename = /esfs/jtacquaviva/ioperf/file_write access = file-per-process ordering in a file = random offsets ordering inter file= no tasks offsets clients = 4 (2 per node) repetitions = 3 xfersize = 102400 bytes blocksize = 75 GiB aggregate filesize = 300 GiB Using stonewalling = 60 second(s) access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322112102400. WARNING: Using actual aggregate bytes moved = 54546124800. write 762.68 78643200 100.00 0.000504 68.20 0.000188 68.21 0 WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322119065600. WARNING: Using actual aggregate bytes moved = 54886092800. write 772.96 78643200 100.00 0.003134 67.71 0.000180 67.72 1 WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322122547200. WARNING: Using actual aggregate bytes moved = 53985075200. write 765.28 78643200 100.00 0.012096 67.26 0.000198 67.28 2 Max Write: 772.96 MiB/sec (810.51 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize API RefNum write 772.96 762.68 766.97 4.36 67.73304 0 4 2 3 1 0 1 0 0 1 80530636800 102400 54546124800 POSIX 0 Finished: Wed Oct 24 02:50:03 2018