+ /opt/ddn/mvapich/bin/mpiexec -ppn 8 -np 128 -genv MV2_NUM_HCAS 1 -genv MV2_CPU_BINDING_LEVEL core -genv MV2_CPU_BINDING_POLICY scatter --hosts isc17-c01,isc17-c02,isc17-c03,isc17-c04,isc17-c05,isc17-c06,isc17-c07,isc17-c08,isc17-c09,isc17-c11,isc17-c12,isc17-c13,isc17-c14,isc17-c15,isc17-c18,isc17-c22 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 17647534080 -D 120 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w + tee -a ./output/COUNT:1#NN:16#PPN:8#API:POSIX#T:10485760.txt IOR-3.0.1: MPI Coordinated Test of Parallel I/O Began: Tue Oct 23 06:21:21 2018 Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 10485760 -b 17647534080 -D 120 -a POSIX -F -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w Machine: Linux isc17-c01 Test 0 started: Tue Oct 23 06:21:21 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 = 128 (8 per node) repetitions = 3 xfersize = 10 MiB blocksize = 16.44 GiB aggregate filesize = 2103.75 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 = 2258884362240. WARNING: Stat() of aggregate file size = 2249447178240. WARNING: Using actual aggregate bytes moved = 762744668160. write 5507 17233920 10240 0.007823 132.08 0.001174 132.09 0