IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Wed Jul  8 13:33:03 2020
Command line        : ./ior -C -Q 1 -g -G 271 -k -e -o /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.08-13.32.59-app/ior-easy/ior_file_easy -O stoneWallingStatusFile=/tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.08-13.32.59-app/ior-easy/stonewall -t 2m -b 9920000m -F -w -D 300 -O stoneWallingWearOut=1 -a CEPHFS --cephfs.user=admin --cephfs.conf=/etc/ceph/ceph.conf --cephfs.prefix=/tmp/cbt/mnt/cbt-cephfs-kernel/0
Machine             : Linux o03
TestID              : 0
StartTime           : Wed Jul  8 13:33:03 2020
Path                : /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.08-13.32.59-app/ior-easy
FS                  : 430.7 TiB   Used FS: 0.0%   Inodes: 0.0 Mi   Used Inodes: 100.0%

Options: 
api                 : CEPHFS
apiVersion          : 
test filename       : /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.08-13.32.59-app/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               : 8
tasks               : 256
clients per node    : 32
repetitions         : 1
xfersize            : 2 MiB
blocksize           : 9.46 TiB
aggregate filesize  : 2421.88 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: 22244 max: 54818 -- min data: 43.4 GiB mean data: 81.2 GiB time: 302.4s
WARNING: Expected aggregate file size       = 2662879723520000.
WARNING: Stat() of aggregate file size      = 29430189654016.
WARNING: Using actual aggregate bytes moved = 29430189654016.
WARNING: maybe caused by deadlineForStonewalling
write     58850      29427      0.000069    10158080000 2048.00    0.024980   476.89     0.000780   476.92     0   
Max Write: 58850.22 MiB/sec (61708.93 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       58850.22   58850.22   58850.22       0.00   29425.11   29425.11   29425.11       0.00  476.91945     302.37      70426.29     0    256  32    1   1     1        1         0    0      1 10401873920000  2097152 28066816.0 CEPHFS      0
Finished            : Wed Jul  8 13:41:02 2020