IOR-3.4.0+dev: MPI Coordinated Test of Parallel I/O Began : Mon Oct 25 10:04:43 2021 Command line : ./ior --dataPacketType=timestamp -C -Q 1 -g -G=746807482 -k -e -o /gpfs/fs1/2021.10.25-09.53.20/ior-hard/file -O stoneWallingStatusFile=/nshare/jay/io500/official/ibm_submission_oct2021/2021.10.25-09.53.20/ior-hard.stonewall -t 47008 -b 47008 -s 1000000000 -w -D 300 -a POSIX -O saveRankPerformanceDetailsCSV=/nshare/jay/io500/official/ibm_submission_oct2021/2021.10.25-09.53.20/ior-hard-write.csv -O stoneWallingWearOut=1 Machine : Linux arches3 TestID : 0 StartTime : Mon Oct 25 10:04:43 2021 Path : /gpfs/fs1/2021.10.25-09.53.20/ior-hard/file FS : 60.7 TiB Used FS: 57.4% Inodes: 500.0 Mi Used Inodes: 13.4% Options: api : POSIX apiVersion : test filename : /gpfs/fs1/2021.10.25-09.53.20/ior-hard/file access : single-shared-file type : independent segments : 1000000000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 10 tasks : 200 clients per node : 20 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 8550.71 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: 168550 max: 417692 -- min data: 7.4 GiB mean data: 8.5 GiB time: 300.1s WARNING: Expected aggregate file size = 9401600000000000 WARNING: Stat() of aggregate file size = 3926973107200 WARNING: Using actual aggregate bytes moved = 3926973107200 WARNING: Maybe caused by deadlineForStonewalling write 4442 99112 678.17 45.91 45.91 0.118982 842.87 0.043994 843.04 0