IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Wed Nov  6 04:07:04 2019
Command line        : /lustre-pdstd/io-500-dev/bin/ior -w -t 2048k -b 7440m -F -b 7440m -F -i 1 -C -Q 1 -g -G 27 -k -e -o /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_easy/ior_file_easy -O stoneWallingStatusFile=/lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300
Machine             : Linux slurm-io500-2019-compute1
TestID              : 0
StartTime           : Wed Nov  6 04:07:04 2019
Path                : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_easy
FS                  : 967.9 TiB   Used FS: 6.2%   Inodes: 1949.9 Mi   Used Inodes: 3.7%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/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
nodes               : 200
tasks               : 1600
clients per node    : 8
repetitions         : 1
xfersize            : 2 MiB
blocksize           : 7.27 GiB
aggregate filesize  : 11.35 TiB
stonewallingTime    : 300
stoneWallingWearOut : 1

Results: 

access    bw(MiB/s)  IOPS       Latency(s)  block(KiB) xfer(KiB)  open(s)    wr/rd(s)   close(s)   total(s)   iter
------    ---------  ----       ----------  ---------- ---------  --------   --------   --------   --------   ----
stonewalling pairs accessed min: 3720 max: 3720 -- min data: 7.3 GiB mean data: 7.3 GiB time: 298.8s
WARNING: Expected aggregate file size       = 12482248704000.
WARNING: Stat() of aggregate file size      = 7801405440.
WARNING: Using actual aggregate bytes moved = 12482248704000.
WARNING: maybe caused by deadlineForStonewalling
write     39607      19807      0.080317    7618560    2048.00    0.040603   300.51     0.009049   300.55     0   
Max Write: 39606.77 MiB/sec (41530.71 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
write       39606.77   39606.77   39606.77       0.00   19803.38   19803.38   19803.38       0.00  300.55470     298.77      39843.73     0   1600   8    1   2     1        1         0    0      1 7801405440  2097152 11904000.0 POSIX      0
Finished            : Wed Nov  6 04:12:05 2019