IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Mon Nov  4 16:19:16 2019
Command line        : /lustre-pdssd/io-500-dev/bin/ior -r -R -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
Machine             : Linux slurm-io500-2019-compute1
TestID              : 0
StartTime           : Mon Nov  4 16:19:16 2019
Path                : /lustre-pdssd/io-500-dev/datafiles/io500.2019.11.04-15.51.43/ior_easy
FS                  : 338.4 TiB   Used FS: 15.5%   Inodes: 1367.1 Mi   Used Inodes: 25.9%

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

Results: 

access    bw(MiB/s)  IOPS       Latency(s)  block(KiB) xfer(KiB)  open(s)    wr/rd(s)   close(s)   total(s)   iter
------    ---------  ----       ----------  ---------- ---------  --------   --------   --------   --------   ----
WARNING: Expected aggregate file size       = 26038239232000.
WARNING: Stat() of aggregate file size      = 16273899520.
WARNING: Using actual aggregate bytes moved = 26038239232000.
read      104607     52381      0.030538    15892480   2048.00    0.029278   237.03     0.320190   237.38     0   
Max Read:  104606.61 MiB/sec (109687.99 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
read       104606.61  104606.61  104606.61       0.00   52303.31   52303.31   52303.31       0.00  237.38461         NA            NA     0   1600   8    1   2     1        1         0    0      1 16273899520  2097152 24832000.0 POSIX      0
Finished            : Mon Nov  4 16:23:14 2019