IOR-3.4.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Sat Oct 31 01:10:15 2020
Command line        : ./ior -C -Q 1 -g -G 27 -k -e -o /home/data/2020.10.31-00.53.53/ior-hard/file -O stoneWallingStatusFile=/mnt/nfs/io500/results/2020.10.31-00.53.53/ior-hard.stonewall -O stoneWallingWearOut=1 -t 47008 -b 47008 -s 10000000 -w -D 300 -a POSIX
Machine             : Linux a01
TestID              : 0
StartTime           : Sat Oct 31 01:10:15 2020
Path                : /home/data/2020.10.31-00.53.53/ior-hard/file
FS                  : 8730.4 TiB   Used FS: 23.1%   Inodes: 268430429.7 Mi   Used Inodes: 100.0%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /home/data/2020.10.31-00.53.53/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               : 255
tasks               : 18360
clients per node    : 72
repetitions         : 1
xfersize            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 7849.55 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: 554001 max: 711647 -- min data: 24.3 GiB mean data: 29.8 GiB time: 300.1s
WARNING: Expected aggregate file size       = 8630668800000000
WARNING: Stat() of aggregate file size      = 614198955951360
WARNING: Using actual aggregate bytes moved = 614198955951360
WARNING: Maybe caused by deadlineForStonewalling
write     1275236    29805724   397.14      45.91      45.91      7.80       438.37     13.17      459.32     0