IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Mon Nov  4 15:51:45 2019
Command line        : /lustre-pdssd/io-500-dev/bin/ior -w -t 2048k -b 15520m -F -b 15520m -F -i 1 -C -Q 1 -g -G 27 -k -e -o /lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/ior_easy/ior_file_easy -O stoneWallingStatusFile=/lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300
Machine             : Linux slurm-io500-2019-compute1
TestID              : 0
StartTime           : Mon Nov  4 15:51:45 2019
Path                : /lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/ior_easy
FS                  : 338.4 TiB   Used FS: 7.8%   Inodes: 1367.1 Mi   Used Inodes: 19.8%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/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               : 200
tasks               : 1600
clients per node    : 8
repetitions         : 1
xfersize            : 2 MiB
blocksize           : 15.16 GiB
aggregate filesize  : 23.68 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: 4857 max: 7760 -- min data: 9.5 GiB mean data: 14.7 GiB time: 300.6s
WARNING: Expected aggregate file size       = 26038239232000.
WARNING: Stat() of aggregate file size      = 16273899520.
WARNING: Using actual aggregate bytes moved = 26038239232000.
WARNING: maybe caused by deadlineForStonewalling
write     79284      39649      0.038750    15892480   2048.00    0.043054   313.15     0.010894   313.20     0   
Max Write: 79283.91 MiB/sec (83135.20 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       79283.91   79283.91   79283.91       0.00   39641.95   39641.95   39641.95       0.00  313.20353     300.63      80083.22     0   1600   8    1   2     1        1         0    0      1 16273899520  2097152 24832000.0 POSIX      0
Finished            : Mon Nov  4 15:56:59 2019