IOR-3.4.0+dev: MPI Coordinated Test of Parallel I/O Began : Fri Jun 4 18:25:23 2021 Command line : ./ior -C -Q 1 -g -G 778003580 -k -e -o /mnt/lustre02/work/bk1040/k202079/io500/2021.06.04-18.25.22/ior-easy/ior_file_easy -O stoneWallingStatusFile=./results/2021.06.04-18.25.22/ior-easy.stonewall -t 2m -b 9920000m -F -w -D 300 -O stoneWallingWearOut=1 -a POSIX -O saveRankPerformanceDetailsCSV=./results/2021.06.04-18.25.22/ior-easy-write.csv Machine : Linux m20650 TestID : 0 StartTime : Fri Jun 4 18:25:23 2021 Path : /mnt/lustre02/work/bk1040/k202079/io500/2021.06.04-18.25.22/ior-easy/ior_file_easy.00000000 FS : 33157.7 TiB Used FS: 82.8% Inodes: 8102.5 Mi Used Inodes: 7.6% Options: api : POSIX apiVersion : test filename : /mnt/lustre02/work/bk1040/k202079/io500/2021.06.04-18.25.22/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 : 10 tasks : 80 clients per node : 8 repetitions : 1 xfersize : 2 MiB blocksize : 9.46 TiB aggregate filesize : 756.84 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: 22419 max: 88270 -- min data: 43.8 GiB mean data: 108.4 GiB time: 300.3s WARNING: Expected aggregate file size = 832149913600000 WARNING: Stat() of aggregate file size = 14809248563200 WARNING: Using actual aggregate bytes moved = 14809248563200 WARNING: Maybe caused by deadlineForStonewalling write 21054 10527 0.000065 10158080000 2048.00 0.018998 670.79 0.000918 670.81 0