IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Wed Nov  6 04:17:32 2019
Command line        : /lustre-pdstd/io-500-dev/bin/ior -w -s 41450 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_hard/IOR_file -O stoneWallingStatusFile=/lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300
Machine             : Linux slurm-io500-2019-compute1
TestID              : 0
StartTime           : Wed Nov  6 04:17:32 2019
Path                : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_hard
FS                  : 967.9 TiB   Used FS: 7.4%   Inodes: 1949.2 Mi   Used Inodes: 6.3%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /lustre-pdstd/io-500-dev/datafiles/io500.2019.11.06-04.07.01/ior_hard/IOR_file
access              : single-shared-file
type                : independent
segments            : 41450
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            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 2.84 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: 33158 max: 41450 -- min data: 1.5 GiB mean data: 1.8 GiB time: 300.0s
write     8672       193473     303.62      45.91      45.91      0.054349   342.79     0.018257   342.86     0   
Max Write: 8671.62 MiB/sec (9092.85 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        8671.62    8671.62    8671.62       0.00  193431.97  193431.97  193431.97       0.00  342.85956     300.05       9646.01     0   1600   8    1   0     1        1         0    0  41450    47008    47008 2973147.0 POSIX      0
Finished            : Wed Nov  6 04:23:22 2019