+ /opt/ddn/mvapich/bin/mpiexec -ppn 8 -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 /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 20132659200 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w
+ tee -a ./output/COUNT:1#NN:4#PPN:8#API:MPIIO#T:1048576.txt
IOR-3.0.1: MPI Coordinated Test of Parallel I/O

ior WARNING: fsync() only available in POSIX.  Using value of 0.
Began: Tue Oct 23 13:45:24 2018
Command line used: /esfs/jtacquaviva/software/install/ior/git-ddn/bin/ior -i 3 -s 1 -t 1048576 -b 20132659200 -D 120 -a MPIIO -e -g -z -k -o /esfs/jtacquaviva/ioperf/file_write -w
Machine: Linux isc17-c04

Test 0 started: Tue Oct 23 13:45:24 2018
Summary:
	api                = MPIIO (version=3, subversion=0)
	test filename      = /esfs/jtacquaviva/ioperf/file_write
	access             = single-shared-file
	ordering in a file = random offsets
	ordering inter file= no tasks offsets
	clients            = 32 (8 per node)
	repetitions        = 3
	xfersize           = 1 MiB
	blocksize          = 18.75 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      = 644244045824.
WARNING: Using actual aggregate bytes moved = 434761629696.
write     3453.61    19660800   1024.00    0.010298   120.04     0.002244   120.05     0   
WARNING: Expected aggregate file size       = 644245094400.
WARNING: Stat() of aggregate file size      = 644244045824.
WARNING: Using actual aggregate bytes moved = 489523511296.
write     3727       19660800   1024.00    5.18       120.07     0.000567   125.24     1   
WARNING: Expected aggregate file size       = 644245094400.
WARNING: Stat() of aggregate file size      = 644244045824.
WARNING: Using actual aggregate bytes moved = 494812528640.
write     3742       19660800   1024.00    6.04       120.06     0.000624   126.10     2   

Max Write: 3742.18 MiB/sec (3923.96 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        3742.18    3453.61    3641.08     132.70  123.79989 0 32 8 3 0 0 1 0 0 1 20132659200 1048576 434761629696 MPIIO 0

Finished: Tue Oct 23 13:51:47 2018