IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Thu Jul 9 00:36:00 2020 Command line : ./ior -C -Q 1 -g -G 27 -k -e -o /scratch_ime/jwyoon/IO500/ISC20/isc20v2/io500-app-7PM/datafiles/2020.07.08-23.59.24-app/ior-hard/file -O stoneWallingStatusFile=/scratch_ime/jwyoon/IO500/ISC20/isc20v2/io500-app-7PM/datafiles/2020.07.08-23.59.24-app/ior-hard/stonewall -O stoneWallingWearOut=1 -t 47008 -b 47008 -s 4800000 -r -R -a POSIX --posix.odirect Machine : Linux node0026 TestID : 0 StartTime : Thu Jul 9 00:36:00 2020 Path : /scratch_ime/jwyoon/IO500/ISC20/isc20v2/io500-app-7PM/datafiles/2020.07.08-23.59.24-app/ior-hard FS : 18679.1 TiB Used FS: 41.1% Inodes: 3993.6 Mi Used Inodes: 12.2% Options: api : POSIX apiVersion : test filename : /scratch_ime/jwyoon/IO500/ISC20/isc20v2/io500-app-7PM/datafiles/2020.07.08-23.59.24-app/ior-hard/file access : single-shared-file type : independent segments : 4800000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 2048 tasks : 2048 clients per node : 1 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 420.28 TiB 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: 3005027 max: 3005027 -- min data: 131.6 GiB mean data: 131.6 GiB time: 1535.7s WARNING: Expected aggregate file size = 462107443200000. WARNING: Stat() of aggregate file size = 289301113274368. WARNING: Using actual aggregate bytes moved = 289301113274368. read 179605 4006473 1536.07 45.91 45.91 0.027609 1536.09 0.060491 1536.14 0 Max Read: 179605.40 MiB/sec (188329.92 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 179605.40 179605.40 179605.40 0.00 4006337.57 4006337.57 4006337.57 0.00 1536.13998 1535.66 179662.01 0 2048 1 1 0 1 1 0 0 4800000 47008 47008 275899040.0 POSIX 0 Finished : Thu Jul 9 01:01:37 2020