IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Sat Jun 27 06:53:46 2020
Command line        : ./ior -v -C -Q 1 -g -G 271 -k -e -o /gpfs/hal/io500/datafiles/2020.06.27-06.53.38-app/ior-easy/ior_file_easy -O stoneWallingStatusFile=/gpfs/hal/io500/datafiles/2020.06.27-06.53.38-app/ior-easy/stonewall -t 4m -b 9920000m -F -w -D 300 -O stoneWallingWearOut=1 -a posix
Machine             : Linux hal01
Start time skew across all tasks: 0.00 sec
TestID              : 0
StartTime           : Sat Jun 27 06:53:46 2020
Path                : /gpfs/hal/io500/datafiles/2020.06.27-06.53.38-app/ior-easy
FS                  : 223.2 TiB   Used FS: 49.6%   Inodes: 194.5 Mi   Used Inodes: 81.4%
Participating tasks: 100
Using reorderTasks '-C' (useful to avoid read cache in client)

Options: 
api                 : posix
apiVersion          : 
test filename       : /gpfs/hal/io500/datafiles/2020.06.27-06.53.38-app/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               : 10
tasks               : 100
clients per node    : 10
repetitions         : 1
xfersize            : 4 MiB
blocksize           : 9.46 TiB
aggregate filesize  : 946.04 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
------    ---------  ----       ----------  ---------- ---------  --------   --------   --------   --------   ----
Commencing write performance test: Sat Jun 27 06:53:46 2020
0: stonewalling pairs accessed: 13343
stonewalling pairs accessed min: 9636 max: 14267 -- min data: 37.6 GiB mean data: 43.1 GiB time: 302.1s
WARNING: Expected aggregate file size       = 1040187392000000.
WARNING: Stat() of aggregate file size      = 5984013516800.
WARNING: Using actual aggregate bytes moved = 5984013516800.
WARNING: maybe caused by deadlineForStonewalling
write     14582      3648       0.000130    10158080000 4096       0.222788   391.12     0.009839   391.36     0   
Max Write: 14582.13 MiB/sec (15290.47 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       14582.13   14582.13   14582.13       0.00    3645.53    3645.53    3645.53       0.00  391.35571     302.11      14602.25     0    100  10    1   1     1        1         0    0      1 10401873920000  4194304 5706800.0 posix      0
Finished            : Sat Jun 27 07:00:18 2020