ior WARNING: fsync() not supported in selected backend.  Using value of 0.
IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Fri Nov  8 11:07:50 2019
Command line        : /home/daos/install/bin/ior -r -R -s 2500000 -a DFS --dfs.cont 5000c9fc-d8a7-4992-8c77-b945e603aa07 --dfs.svcl 1 --dfs.pool e149eaaf-ac9b-4d5f-ae05-7932caa11de5 --dfs.prefix /mnt/dfuse --dfs.chunk_size 376064 -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /mnt/dfuse/datafiles/io500.2019.11.08-10.28.23/ior_hard/IOR_file -O stoneWallingStatusFile=/mnt/dfuse/datafiles/io500.2019.11.08-10.28.23/ior_hard/stonewall
Machine             : Linux wolf-79.wolf.hpdd.intel.com
TestID              : 0
StartTime           : Fri Nov  8 11:07:50 2019

Options: 
api                 : DFS
apiVersion          : DAOS
test filename       : /mnt/dfuse/datafiles/io500.2019.11.08-10.28.23/ior_hard/IOR_file
access              : single-shared-file
type                : independent
segments            : 2500000
ordering in a file  : sequential
ordering inter file : constant task offset
task offset         : 1
nodes               : 26
tasks               : 728
clients per node    : 28
repetitions         : 1
xfersize            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 77.81 TiB

Results: 

access    bw(MiB/s)  IOPS       Latency(s)  block(KiB) xfer(KiB)  open(s)    wr/rd(s)   close(s)   total(s)   iter
------    ---------  ----       ----------  ---------- ---------  --------   --------   --------   --------   ----
WARNING: Expected aggregate file size       = 85554560000000.
WARNING: Stat() of aggregate file size      = 40628183674624.
WARNING: Using actual aggregate bytes moved = 40628183674624.
read      281691     6284544    137.52      45.91      45.91      0.025448   137.53     0.074423   137.55     0   
Max Read:  281691.43 MiB/sec (295374.87 MB/sec)

Summary of all tests:
Operation   Max(MiB)   Min(MiB)  Mean(MiB)     StdDev   Max(OPs)   Min(OPs)  Mean(OPs)     StdDev    Mean(s) Stonewall(s) Stonewall(MiB) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt   blksiz    xsize aggs(MiB)   API RefNum
read       281691.43  281691.43  281691.43       0.00 6283502.27 6283502.27 6283502.27       0.00  137.54787         NA            NA     0    728  28    1   0     1        1         0    0 2500000    47008    47008 38746056.0 DFS      0
Finished            : Fri Nov  8 11:10:08 2019