IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Thu Nov  7 09:23:00 2019
Command line        : /mnt/cephfs/io500-sc19/bin/ior -w -t 2m -b 68000m -F -i 1 -C -Q 1 -g -G 27 -k -e -o /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-09.22.58/ior_easy/ior_file_easy -O stoneWallingStatusFile=/mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-09.22.58/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300
Machine             : Linux loadgen1
TestID              : 0
StartTime           : Thu Nov  7 09:23:00 2019
Path                : /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-09.22.58/ior_easy
FS                  : 49.3 TiB   Used FS: 0.0%   Inodes: 0.0 Mi   Used Inodes: 100.1%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-09.22.58/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               : 15
tasks               : 120
clients per node    : 8
repetitions         : 1
xfersize            : 2 MiB
blocksize           : 66.41 GiB
aggregate filesize  : 7.78 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: 20423 max: 23824 -- min data: 39.9 GiB mean data: 44.6 GiB time: 300.1s
WARNING: Expected aggregate file size       = 8556380160000.
WARNING: Stat() of aggregate file size      = 5995505909760.
WARNING: Using actual aggregate bytes moved = 5995505909760.
WARNING: maybe caused by deadlineForStonewalling
write     16458      8230       0.010217    69632000   2048.00    0.008766   347.39     0.020921   347.41     0   
Max Write: 16458.21 MiB/sec (17257.69 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       16458.21   16458.21   16458.21       0.00    8229.11    8229.11    8229.11       0.00  347.41077     300.10      18247.12     0    120   8    1   1     1        1         0    0      1 71303168000  2097152 5717760.0 POSIX      0
Finished            : Thu Nov  7 09:28:47 2019