+ /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 16384 -b 23530045440 -D 120 -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:16384.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Mon Oct 22 19:01:21 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 16384 -b 23530045440 -D 120 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c04 Test 0 started: Mon Oct 22 19:01:21 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 = 16384 bytes blocksize = 21.91 GiB aggregate filesize = 262.97 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 = 282360545280. WARNING: Stat() of aggregate file size = 282360152064. WARNING: Using actual aggregate bytes moved = 42820452352. write 309.34 22978560 16.00 0.001887 132.01 0.000686 132.01 0 WARNING: Expected aggregate file size = 282360545280. WARNING: Stat() of aggregate file size = 282357071872. WARNING: Using actual aggregate bytes moved = 37654970368. write 272.36 22978560 16.00 0.002358 131.85 0.000749 131.85 1 WARNING: Expected aggregate file size = 282360545280. WARNING: Stat() of aggregate file size = 282359955456. WARNING: Using actual aggregate bytes moved = 38357450752. write 275.18 22978560 16.00 0.015756 132.92 0.000867 132.93 2 Max Write: 309.34 MiB/sec (324.36 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 309.34 272.36 285.63 16.81 132.26445 0 12 6 3 1 0 1 0 0 1 23530045440 16384 42820452352 POSIX 0 Finished: Mon Oct 22 19:08:02 2018