+ /opt/ddn/mvapich/bin/mpiexec -ppn 8 -np 8 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c04 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 20132659200 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread1/file -r + tee -a ./output_v2/COUNT:1#NN:1#PPN:8#API:MPIIO#T:1048576#TYPE:read.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O ior WARNING: fsync() only available in POSIX. Using value of 0. Began: Wed Oct 24 08:30:11 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 20132659200 -D 30 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/sharedread1/file -r Machine: Linux isc17-c04 Test 0 started: Wed Oct 24 08:30:11 2018 Summary: api = MPIIO (version=3, subversion=0) test filename = /esfs/jtacquaviva/sharedread1/file access = single-shared-file ordering in a file = random offsets ordering inter file= no tasks offsets clients = 8 (8 per node) repetitions = 3 xfersize = 1 MiB blocksize = 18.75 GiB aggregate filesize = 150 GiB Using stonewalling = 30 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 = 161061273600. WARNING: Stat() of aggregate file size = 161061273600. WARNING: Using actual aggregate bytes moved = 62083039232. read 1971.30 19660800 1024.00 0.002403 30.03 0.000215 30.03 0 WARNING: Expected aggregate file size = 161061273600. WARNING: Stat() of aggregate file size = 161061273600. WARNING: Using actual aggregate bytes moved = 58500055040. read 1858.12 19660800 1024.00 0.001101 30.02 0.000305 30.02 1 WARNING: Expected aggregate file size = 161061273600. WARNING: Stat() of aggregate file size = 161061273600. WARNING: Using actual aggregate bytes moved = 56201576448. read 1778.27 19660800 1024.00 0.001074 30.14 0.000205 30.14 2 Max Read: 1971.30 MiB/sec (2067.05 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 read 1971.30 1778.27 1869.23 79.19 30.06669 0 8 8 3 0 0 1 0 0 1 20132659200 1048576 62083039232 MPIIO 0 Finished: Wed Oct 24 08:31:41 2018 + set +x