IOR-3.4.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Tue Sep 28 17:08:13 2021
Command line        : ./ior -C -Q 1 -g -G 831476534 -k -e -o /work/projects/hpcbenchs/IO500/datafiles/2021.09.28-17.08.10/ior-easy/ior_file_easy -O stoneWallingStatusFile=/mnt/irisgpfs/users/svarrette/git/gitlab.uni.lu/svarrette/devel/benchmarks/IO500/runs/IO500-isc21_2021-09-28/N64-128clients.openmpi/2021.09.28-17.08.10/ior-easy.stonewall -t 16m -b 48g -F -w -D 300 -O stoneWallingWearOut=1 -a POSIX -O saveRankPerformanceDetailsCSV=/mnt/irisgpfs/users/svarrette/git/gitlab.uni.lu/svarrette/devel/benchmarks/IO500/runs/IO500-isc21_2021-09-28/N64-128clients.openmpi/2021.09.28-17.08.10/ior-easy-write.csv
Machine             : Linux aion-0001
TestID              : 0
StartTime           : Tue Sep 28 17:08:13 2021
Path                : /work/projects/hpcbenchs/IO500/datafiles/2021.09.28-17.08.10/ior-easy/ior_file_easy.00000000
FS                  : 3092.9 TiB   Used FS: 29.1%   Inodes: 6439.0 Mi   Used Inodes: 4.4%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /work/projects/hpcbenchs/IO500/datafiles/2021.09.28-17.08.10/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               : 64
tasks               : 128
clients per node    : 2
repetitions         : 1
xfersize            : 16 MiB
blocksize           : 48 GiB
aggregate filesize  : 6 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: 1011 max: 3072 -- min data: 15.8 GiB mean data: 43.8 GiB time: 318.6s
write     17922      1124.92    0.103715    50331648   16384      1.50       349.55     0.000715   351.05     0