IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Sat Jun 27 07:06:23 2020
Command line        : ./ior -v -C -Q 1 -g -G 27 -k -e -o /gpfs/hal/io500/datafiles/2020.06.27-06.53.38-app/ior-hard/file -O stoneWallingStatusFile=/gpfs/hal/io500/datafiles/2020.06.27-06.53.38-app/ior-hard/stonewall -O stoneWallingWearOut=1 -t 47008 -b 47008 -s 10000000 -w -D 300 -a POSIX
Machine             : Linux hal01
Start time skew across all tasks: 0.00 sec
TestID              : 0
StartTime           : Sat Jun 27 07:06:23 2020
Path                : /gpfs/hal/io500/datafiles/2020.06.27-06.53.38-app/ior-hard
FS                  : 223.2 TiB   Used FS: 52.1%   Inodes: 194.5 Mi   Used Inodes: 94.5%
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-hard/file
access              : single-shared-file
type                : independent
segments            : 10000000
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            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 42.75 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 07:06:24 2020
0: stonewalling pairs accessed: 38692
stonewalling pairs accessed min: 23456 max: 38731 -- min data: 1.0 GiB mean data: 1.2 GiB time: 300.1s
WARNING: Expected aggregate file size       = 47008000000000.
WARNING: Stat() of aggregate file size      = 182066684800.
WARNING: Using actual aggregate bytes moved = 182066684800.
WARNING: maybe caused by deadlineForStonewalling
write     491.27     10960      300.39      45.91      45.91      0.048423   353.37     0.015324   353.43     0   
Max Write: 491.27 MiB/sec (515.14 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         491.27     491.27     491.27       0.00   10958.51   10958.51   10958.51       0.00  353.43318     300.06        420.29     0    100  10    1   0     1        1         0    0 10000000    47008    47008  173632.3 POSIX      0
Finished            : Sat Jun 27 07:12:17 2020