== sanity test 398c: run fio to test AIO ================= 15:55:05 (1790106905) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.337392 s, 124 MB/s osc.lustre-OST0000-osc-ffff9d1894336800.rpc_stats=clear writing 40M to OST0 by fio with 4 jobs... rand-write: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.19 Starting 4 processes rand-write: (groupid=0, jobs=1): err= 0: pid=179848: Tue Sep 22 15:55:31 2026 write: IOPS=137, BW=551KiB/s (564kB/s)(10.0MiB/18601msec); 0 zone resets slat (usec): min=22, max=7754, avg=153.33, stdev=378.15 clat (msec): min=13, max=216, avg=115.89, stdev=26.31 lat (msec): min=13, max=216, avg=116.05, stdev=26.28 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 81], 10.00th=[ 86], 20.00th=[ 94], | 30.00th=[ 103], 40.00th=[ 108], 50.00th=[ 113], 60.00th=[ 121], | 70.00th=[ 129], 80.00th=[ 138], 90.00th=[ 150], 95.00th=[ 163], | 99.00th=[ 192], 99.50th=[ 201], 99.90th=[ 218], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 383, max= 742, per=24.87%, avg=547.08, stdev=87.98, samples=36 iops : min= 95, max= 185, avg=136.50, stdev=22.05, samples=36 lat (msec) : 20=0.08%, 50=0.23%, 100=26.37%, 250=73.32% cpu : usr=0.23%, sys=1.26%, ctx=2758, majf=0, minf=9 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=179849: Tue Sep 22 15:55:31 2026 write: IOPS=138, BW=553KiB/s (566kB/s)(10.0MiB/18525msec); 0 zone resets slat (usec): min=22, max=13325, avg=158.32, stdev=507.71 clat (msec): min=15, max=207, avg=115.20, stdev=25.17 lat (msec): min=16, max=208, avg=115.36, stdev=25.17 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 81], 10.00th=[ 87], 20.00th=[ 95], | 30.00th=[ 103], 40.00th=[ 108], 50.00th=[ 112], 60.00th=[ 116], | 70.00th=[ 128], 80.00th=[ 138], 90.00th=[ 148], 95.00th=[ 163], | 99.00th=[ 184], 99.50th=[ 186], 99.90th=[ 207], 99.95th=[ 207], | 99.99th=[ 209] bw ( KiB/s): min= 380, max= 646, per=24.91%, avg=548.03, stdev=80.74, samples=36 iops : min= 95, max= 161, avg=136.75, stdev=20.26, samples=36 lat (msec) : 20=0.04%, 50=0.04%, 100=26.29%, 250=73.63% cpu : usr=0.22%, sys=1.30%, ctx=2469, majf=0, minf=9 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=179850: Tue Sep 22 15:55:31 2026 write: IOPS=137, BW=550KiB/s (564kB/s)(10.0MiB/18604msec); 0 zone resets slat (usec): min=22, max=44348, avg=193.16, stdev=1008.75 clat (msec): min=17, max=208, avg=115.17, stdev=26.29 lat (msec): min=17, max=208, avg=115.36, stdev=26.24 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 78], 10.00th=[ 85], 20.00th=[ 93], | 30.00th=[ 102], 40.00th=[ 107], 50.00th=[ 112], 60.00th=[ 120], | 70.00th=[ 129], 80.00th=[ 140], 90.00th=[ 150], 95.00th=[ 159], | 99.00th=[ 186], 99.50th=[ 190], 99.90th=[ 205], 99.95th=[ 207], | 99.99th=[ 209] bw ( KiB/s): min= 383, max= 752, per=24.82%, avg=545.94, stdev=85.85, samples=36 iops : min= 95, max= 188, avg=136.22, stdev=21.56, samples=36 lat (msec) : 20=0.08%, 50=0.12%, 100=29.10%, 250=70.70% cpu : usr=0.29%, sys=1.39%, ctx=2898, majf=0, minf=10 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-write: (groupid=0, jobs=1): err= 0: pid=179851: Tue Sep 22 15:55:31 2026 write: IOPS=137, BW=550KiB/s (563kB/s)(10.0MiB/18610msec); 0 zone resets slat (usec): min=27, max=8368, avg=174.34, stdev=451.87 clat (msec): min=14, max=212, avg=115.19, stdev=25.39 lat (msec): min=14, max=212, avg=115.37, stdev=25.37 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 79], 10.00th=[ 86], 20.00th=[ 95], | 30.00th=[ 102], 40.00th=[ 107], 50.00th=[ 112], 60.00th=[ 118], | 70.00th=[ 127], 80.00th=[ 136], 90.00th=[ 150], 95.00th=[ 161], | 99.00th=[ 184], 99.50th=[ 192], 99.90th=[ 197], 99.95th=[ 213], | 99.99th=[ 213] bw ( KiB/s): min= 391, max= 686, per=24.73%, avg=544.00, stdev=81.34, samples=36 iops : min= 97, max= 171, avg=135.72, stdev=20.41, samples=36 lat (msec) : 20=0.04%, 50=0.27%, 100=28.01%, 250=71.68% cpu : usr=0.23%, sys=1.55%, ctx=3173, majf=0, minf=10 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=0,2560,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): WRITE: bw=2201KiB/s (2254kB/s), 550KiB/s-553KiB/s (563kB/s-566kB/s), io=40.0MiB (41.9MB), run=18525-18610msec 0% of I/O are 1-page (PAGE_SIZE=4096), max 50% mix rw 40M to OST0 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=libaio, iodepth=16 ... fio-3.19 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=179865: Tue Sep 22 15:55:53 2026 read: IOPS=79, BW=318KiB/s (325kB/s)(5048KiB/15893msec) slat (usec): min=36, max=28941, avg=6728.29, stdev=3460.06 clat (msec): min=6, max=164, avg=93.19, stdev=19.60 lat (msec): min=11, max=176, avg=99.92, stdev=20.11 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 64], 10.00th=[ 71], 20.00th=[ 78], | 30.00th=[ 83], 40.00th=[ 87], 50.00th=[ 92], 60.00th=[ 97], | 70.00th=[ 103], 80.00th=[ 110], 90.00th=[ 120], 95.00th=[ 129], | 99.00th=[ 144], 99.50th=[ 150], 99.90th=[ 163], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 161, max= 438, per=25.21%, avg=317.45, stdev=55.51, samples=31 iops : min= 40, max= 109, avg=79.13, stdev=13.85, samples=31 write: IOPS=81, BW=327KiB/s (335kB/s)(5192KiB/15893msec); 0 zone resets slat (usec): min=25, max=8593, avg=184.92, stdev=495.56 clat (msec): min=49, max=161, avg=96.89, stdev=18.40 lat (msec): min=49, max=161, avg=97.07, stdev=18.38 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 68], 10.00th=[ 74], 20.00th=[ 83], | 30.00th=[ 87], 40.00th=[ 91], 50.00th=[ 95], 60.00th=[ 100], | 70.00th=[ 106], 80.00th=[ 113], 90.00th=[ 123], 95.00th=[ 130], | 99.00th=[ 146], 99.50th=[ 150], 99.90th=[ 157], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 189, max= 448, per=24.95%, avg=327.13, stdev=45.05, samples=31 iops : min= 47, max= 112, avg=81.55, stdev=11.28, samples=31 lat (msec) : 10=0.04%, 50=0.31%, 100=63.40%, 250=36.25% cpu : usr=0.27%, sys=2.54%, ctx=4797, majf=0, minf=13 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1262,1298,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179866: Tue Sep 22 15:55:53 2026 read: IOPS=78, BW=312KiB/s (320kB/s)(4976KiB/15934msec) slat (usec): min=21, max=91414, avg=6868.24, stdev=4411.69 clat (msec): min=15, max=221, avg=94.39, stdev=23.77 lat (msec): min=17, max=228, avg=101.26, stdev=24.48 clat percentiles (msec): | 1.00th=[ 26], 5.00th=[ 62], 10.00th=[ 68], 20.00th=[ 78], | 30.00th=[ 84], 40.00th=[ 88], 50.00th=[ 93], 60.00th=[ 99], | 70.00th=[ 104], 80.00th=[ 111], 90.00th=[ 125], 95.00th=[ 136], | 99.00th=[ 155], 99.50th=[ 199], 99.90th=[ 205], 99.95th=[ 222], | 99.99th=[ 222] bw ( KiB/s): min= 161, max= 432, per=24.58%, avg=309.42, stdev=52.98, samples=31 iops : min= 40, max= 108, avg=77.10, stdev=13.27, samples=31 write: IOPS=82, BW=330KiB/s (338kB/s)(5264KiB/15934msec); 0 zone resets slat (usec): min=24, max=5672, avg=158.18, stdev=334.12 clat (msec): min=17, max=208, avg=96.31, stdev=20.80 lat (msec): min=17, max=208, avg=96.47, stdev=20.79 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 68], 10.00th=[ 74], 20.00th=[ 80], | 30.00th=[ 85], 40.00th=[ 89], 50.00th=[ 94], 60.00th=[ 100], | 70.00th=[ 107], 80.00th=[ 114], 90.00th=[ 124], 95.00th=[ 131], | 99.00th=[ 148], 99.50th=[ 161], 99.90th=[ 209], 99.95th=[ 209], | 99.99th=[ 209] bw ( KiB/s): min= 197, max= 438, per=25.03%, avg=328.16, stdev=60.97, samples=31 iops : min= 49, max= 109, avg=81.77, stdev=15.21, samples=31 lat (msec) : 20=0.51%, 50=0.70%, 100=61.09%, 250=37.70% cpu : usr=0.35%, sys=2.44%, ctx=4580, majf=0, minf=12 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1244,1316,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179867: Tue Sep 22 15:55:53 2026 read: IOPS=78, BW=314KiB/s (321kB/s)(4984KiB/15893msec) slat (usec): min=73, max=28443, avg=6710.13, stdev=3439.35 clat (msec): min=10, max=163, avg=93.10, stdev=20.79 lat (msec): min=15, max=169, avg=99.82, stdev=21.39 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 63], 10.00th=[ 69], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 87], 50.00th=[ 91], 60.00th=[ 97], | 70.00th=[ 104], 80.00th=[ 110], 90.00th=[ 122], 95.00th=[ 131], | 99.00th=[ 150], 99.50th=[ 155], 99.90th=[ 163], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 154, max= 424, per=24.99%, avg=314.65, stdev=60.11, samples=31 iops : min= 38, max= 106, avg=78.42, stdev=15.00, samples=31 write: IOPS=82, BW=331KiB/s (339kB/s)(5256KiB/15893msec); 0 zone resets slat (usec): min=25, max=6889, avg=151.83, stdev=315.19 clat (msec): min=53, max=166, avg=97.15, stdev=18.76 lat (msec): min=53, max=166, avg=97.31, stdev=18.74 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 69], 10.00th=[ 74], 20.00th=[ 81], | 30.00th=[ 87], 40.00th=[ 91], 50.00th=[ 96], 60.00th=[ 102], | 70.00th=[ 106], 80.00th=[ 113], 90.00th=[ 123], 95.00th=[ 131], | 99.00th=[ 144], 99.50th=[ 155], 99.90th=[ 161], 99.95th=[ 167], | 99.99th=[ 167] bw ( KiB/s): min= 210, max= 392, per=25.14%, avg=329.58, stdev=46.44, samples=31 iops : min= 52, max= 98, avg=82.13, stdev=11.74, samples=31 lat (msec) : 20=0.04%, 50=0.23%, 100=61.68%, 250=38.05% cpu : usr=0.34%, sys=2.44%, ctx=4656, majf=0, minf=13 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1246,1314,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=179868: Tue Sep 22 15:55:53 2026 read: IOPS=79, BW=318KiB/s (326kB/s)(5060KiB/15909msec) slat (usec): min=41, max=38982, avg=6717.25, stdev=3548.06 clat (msec): min=11, max=167, avg=93.20, stdev=20.38 lat (msec): min=15, max=178, avg=99.92, stdev=20.90 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 65], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 83], 40.00th=[ 88], 50.00th=[ 92], 60.00th=[ 97], | 70.00th=[ 103], 80.00th=[ 109], 90.00th=[ 120], 95.00th=[ 130], | 99.00th=[ 144], 99.50th=[ 150], 99.90th=[ 165], 99.95th=[ 169], | 99.99th=[ 169] bw ( KiB/s): min= 223, max= 432, per=25.25%, avg=317.94, stdev=50.91, samples=31 iops : min= 55, max= 108, avg=79.23, stdev=12.82, samples=31 write: IOPS=81, BW=326KiB/s (333kB/s)(5180KiB/15909msec); 0 zone resets slat (usec): min=27, max=13126, avg=185.02, stdev=510.16 clat (msec): min=31, max=155, avg=98.43, stdev=19.10 lat (msec): min=37, max=155, avg=98.62, stdev=19.08 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 70], 10.00th=[ 75], 20.00th=[ 83], | 30.00th=[ 88], 40.00th=[ 93], 50.00th=[ 99], 60.00th=[ 103], | 70.00th=[ 108], 80.00th=[ 115], 90.00th=[ 125], 95.00th=[ 133], | 99.00th=[ 148], 99.50th=[ 150], 99.90th=[ 155], 99.95th=[ 157], | 99.99th=[ 157] bw ( KiB/s): min= 264, max= 407, per=24.80%, avg=325.06, stdev=36.68, samples=31 iops : min= 66, max= 101, avg=81.00, stdev= 9.13, samples=31 lat (msec) : 20=0.23%, 50=0.51%, 100=59.61%, 250=39.65% cpu : usr=0.32%, sys=2.55%, ctx=4864, majf=0, minf=14 IO depths : 1=0.1%, 2=0.1%, 4=0.2%, 8=0.3%, 16=99.4%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.1%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1265,1295,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=1259KiB/s (1290kB/s), 312KiB/s-318KiB/s (320kB/s-326kB/s), io=19.6MiB (20.5MB), run=15893-15934msec WRITE: bw=1311KiB/s (1343kB/s), 326KiB/s-331KiB/s (333kB/s-339kB/s), io=20.4MiB (21.4MB), run=15893-15934msec AIO with large block size 40M rand-rw: (g=0): rw=randrw, bs=(R) 40.0MiB-40.0MiB, (W) 40.0MiB-40.0MiB, (T) 40.0MiB-40.0MiB, ioengine=libaio, iodepth=16 fio-3.19 Starting 1 process rand-rw: (groupid=0, jobs=1): err= 0: pid=179874: Tue Sep 22 15:55:58 2026 read: IOPS=4, BW=165MiB/s (173MB/s)(40.0MiB/242msec) slat (nsec): min=27363k, max=27363k, avg=27362843.00, stdev= 0.00 clat (nsec): min=198704k, max=198704k, avg=198703984.00, stdev= 0.00 lat (nsec): min=226096k, max=226096k, avg=226096064.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 199], 5.00th=[ 199], 10.00th=[ 199], 20.00th=[ 199], | 30.00th=[ 199], 40.00th=[ 199], 50.00th=[ 199], 60.00th=[ 199], | 70.00th=[ 199], 80.00th=[ 199], 90.00th=[ 199], 95.00th=[ 199], | 99.00th=[ 199], 99.50th=[ 199], 99.90th=[ 199], 99.95th=[ 199], | 99.99th=[ 199] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=4.56%, ctx=12, majf=0, minf=10 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=1,0,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=165MiB/s (173MB/s), 165MiB/s-165MiB/s (173MB/s-173MB/s), io=40.0MiB (41.9MB), run=242-242msec debug=trace inode super iotrace malloc cache info ioctl neterror net warning buffs other dentry nettrace page dlmtrace error emerg ha rpctrace vfstrace reada mmap config console quota sec lfsck hsm snapshot layout