+ /opt/ddn/mvapich/bin/mpiexec -ppn 1 -np 4 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04,isc17-c05,isc17-c06,isc17-c07 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 161061273600 -D 120 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:4#PPN:1#API:POSIX#T:102400.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Tue Oct 23 17:19:56 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 161061273600 -D 120 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c04 Test 0 started: Tue Oct 23 17:19:56 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 (1 per node) repetitions = 3 xfersize = 102400 bytes blocksize = 150 GiB aggregate filesize = 600 GiB Using stonewalling = 120 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 = 644245094400. WARNING: Stat() of aggregate file size = 644245094400. WARNING: Using actual aggregate bytes moved = 125717913600. write 885.58 157286400 100.00 0.000318 135.38 0.000244 135.38 0 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644242636800. WARNING: Using actual aggregate bytes moved = 120786944000. write 854.88 157286400 100.00 0.001151 134.74 0.000649 134.75 1 WARNING: Expected aggregate file size = 644245094400. WARNING: Stat() of aggregate file size = 644244275200. WARNING: Using actual aggregate bytes moved = 120288153600. write 843.59 157286400 100.00 0.000671 135.98 0.000366 135.99 2 Max Write: 885.58 MiB/sec (928.60 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 885.58 843.59 861.35 17.74 135.37182 0 4 1 3 1 0 1 0 0 1 161061273600 102400 125717913600 POSIX 0 Finished: Tue Oct 23 17:26:51 2018