IOR-3.2.0: MPI Coordinated Test of Parallel I/O
Began               : Wed Oct  3 15:03:19 2018
Command line        : /ddn/benchmark/io-500-dev/bin/ior -w -C -Q 1 -g -G 27 -k -e -t 2048k -b 2000000m -F -o /ddn/benchmark/io-500-dev/datafiles/io500.2018.10.03-15.03.18/ior_easy/ior_file_easy -O stoneWallingStatusFile=/ddn/benchmark/io-500-dev/datafiles/io500.2018.10.03-15.03.18/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300
Machine             : Linux nas6
TestID              : 0
StartTime           : Wed Oct  3 15:03:19 2018
Path                : /ddn/benchmark/io-500-dev/datafiles/io500.2018.10.03-15.03.18/ior_easy
FS                  : 348.8 TiB   Used FS: 38.8%   Inodes: 133.0 Mi   Used Inodes: 1.0%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /ddn/benchmark/io-500-dev/datafiles/io500.2018.10.03-15.03.18/ior_easy/ior_file_easy
access              : file-per-process
type                : independent
segments            : 1
ordering in a file  : sequential
ordering inter file : constant task offset
task offset         : 1
tasks               : 2
clients per node    : 2
repetitions         : 1
xfersize            : 2 MiB
blocksize           : 1.91 TiB
aggregate filesize  : 3.81 TiB
stonewallingTime    : 300
stoneWallingWearOut : 1

Results: 

access    bw(MiB/s)  block(KiB) xfer(KiB)  open(s)    wr/rd(s)   close(s)   total(s)   iter
------    ---------  ---------- ---------  --------   --------   --------   --------   ----
stonewalling pairs accessed min: 252480 max: 253176 -- min data: 493.1 GiB mean data: 493.8 GiB time: 300.0s
WARNING: Expected aggregate file size       = 4194304000000.
WARNING: Stat() of aggregate file size      = 1061897109504.
WARNING: Using actual aggregate bytes moved = 1061897109504.
WARNING: maybe caused by deadlineForStonewalling
write     3363.08    2048000000 2048.00    0.001942   301.12     0.000743   301.12     0   
Max Write: 3363.08 MiB/sec (3526.45 MB/sec)

Summary of all tests:
Operation   Max(MiB)   Min(MiB)  Mean(MiB)     StdDev   Max(OPs)   Min(OPs)  Mean(OPs)     StdDev    Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt   blksiz    xsize aggs(MiB)   API RefNum
write        3363.08    3363.08    3363.08       0.00    1681.54    1681.54    1681.54       0.00  301.12376     0      2   2    1   1     1        1         0    0      1 2097152000000  2097152 1012704.0 POSIX      0
Finished            : Wed Oct  3 15:08:20 2018