+ /opt/ddn/mvapich/bin/mpiexec -ppn 4 -np 32 -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,isc17-c08,isc17-c09,isc17-c11,isc17-c12 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 40265318400 -D 60 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:8#PPN:4#API:POSIX#T:102400.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Wed Oct 24 05:27:34 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 102400 -b 40265318400 -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 05:27:34 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 = 32 (4 per node) repetitions = 3 xfersize = 102400 bytes blocksize = 37.50 GiB aggregate filesize = 1200 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 = 1288490188800. WARNING: Stat() of aggregate file size = 1288460697600. WARNING: Using actual aggregate bytes moved = 85053952000. write 899.15 39321600 100.00 0.001971 90.21 0.000328 90.21 0 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 1288355840000. WARNING: Using actual aggregate bytes moved = 75213209600. write 759.79 39321600 100.00 0.002503 94.40 0.000411 94.41 1 WARNING: Expected aggregate file size = 1288490188800. WARNING: Stat() of aggregate file size = 1288453222400. WARNING: Using actual aggregate bytes moved = 76511436800. write 796.06 39321600 100.00 0.008759 91.65 0.000430 91.66 2 Max Write: 899.15 MiB/sec (942.83 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 899.15 759.79 818.33 59.04 92.09254 0 32 4 3 1 0 1 0 0 1 40265318400 102400 85053952000 POSIX 0 Finished: Wed Oct 24 05:32:12 2018