+ /opt/ddn/mvapich/bin/mpiexec -ppn 6 -np 12 -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 26843545600 -D 60 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:2#PPN:6#API:POSIX#T:102400.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Wed Oct 24 02:33:40 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 26843545600 -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 02:33:40 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 = 12 (6 per node) repetitions = 3 xfersize = 102400 bytes blocksize = 25 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 = 322121011200. WARNING: Using actual aggregate bytes moved = 69853900800. write 981.14 26214400 100.00 0.001717 67.90 0.000605 67.90 0 WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322104934400. WARNING: Using actual aggregate bytes moved = 62405529600. write 873.57 26214400 100.00 0.002215 68.13 0.000602 68.13 1 WARNING: Expected aggregate file size = 322122547200. WARNING: Stat() of aggregate file size = 322121523200. WARNING: Using actual aggregate bytes moved = 62417715200. write 873.08 26214400 100.00 0.002147 68.18 0.000584 68.18 2 Max Write: 981.14 MiB/sec (1028.80 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 981.14 873.08 909.26 50.82 68.06862 0 12 6 3 1 0 1 0 0 1 26843545600 102400 69853900800 POSIX 0 Finished: Wed Oct 24 02:37:09 2018