== sanity test 398c: run fio to test AIO ================= 09:45:47 (1761227147) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.435846 s, 96.2 MB/s osc.lustre-OST0000-osc-ffff95a10664c000.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=123442: Thu Oct 23 09:48:10 2025 write: IOPS=19, BW=76.9KiB/s (78.8kB/s)(10.0MiB/133109msec); 0 zone resets slat (usec): min=25, max=15397, avg=194.02, stdev=675.82 clat (msec): min=88, max=1636, avg=831.14, stdev=197.25 lat (msec): min=88, max=1636, avg=831.34, stdev=197.26 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 502], 10.00th=[ 600], 20.00th=[ 693], | 30.00th=[ 743], 40.00th=[ 793], 50.00th=[ 835], 60.00th=[ 885], | 70.00th=[ 936], 80.00th=[ 986], 90.00th=[ 1062], 95.00th=[ 1116], | 99.00th=[ 1301], 99.50th=[ 1351], 99.90th=[ 1385], 99.95th=[ 1435], | 99.99th=[ 1636] bw ( KiB/s): min= 7, max= 230, per=24.89%, avg=76.40, stdev=32.11, samples=264 iops : min= 1, max= 57, avg=18.64, stdev= 8.02, samples=264 lat (msec) : 100=0.04%, 250=0.78%, 500=4.10%, 750=25.66%, 1000=51.99% lat (msec) : 2000=17.42% cpu : usr=0.06%, sys=0.28%, ctx=1660, majf=0, minf=11 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=123443: Thu Oct 23 09:48:10 2025 write: IOPS=19, BW=76.9KiB/s (78.8kB/s)(10.0MiB/133114msec); 0 zone resets slat (usec): min=24, max=8910, avg=212.67, stdev=611.65 clat (msec): min=110, max=1685, avg=831.22, stdev=198.32 lat (msec): min=110, max=1685, avg=831.44, stdev=198.35 clat percentiles (msec): | 1.00th=[ 255], 5.00th=[ 502], 10.00th=[ 609], 20.00th=[ 684], | 30.00th=[ 743], 40.00th=[ 793], 50.00th=[ 844], 60.00th=[ 894], | 70.00th=[ 927], 80.00th=[ 978], 90.00th=[ 1062], 95.00th=[ 1133], | 99.00th=[ 1284], 99.50th=[ 1334], 99.90th=[ 1636], 99.95th=[ 1687], | 99.99th=[ 1687] bw ( KiB/s): min= 7, max= 256, per=25.07%, avg=76.97, stdev=33.57, samples=262 iops : min= 1, max= 64, avg=18.77, stdev= 8.44, samples=262 lat (msec) : 250=0.62%, 500=4.30%, 750=26.48%, 1000=51.02%, 2000=17.58% cpu : usr=0.04%, sys=0.30%, ctx=1489, 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=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=123444: Thu Oct 23 09:48:10 2025 write: IOPS=19, BW=76.9KiB/s (78.7kB/s)(10.0MiB/133159msec); 0 zone resets slat (usec): min=24, max=13366, avg=199.00, stdev=578.81 clat (msec): min=218, max=1491, avg=831.42, stdev=194.28 lat (msec): min=218, max=1491, avg=831.62, stdev=194.29 clat percentiles (msec): | 1.00th=[ 275], 5.00th=[ 498], 10.00th=[ 584], 20.00th=[ 693], | 30.00th=[ 751], 40.00th=[ 793], 50.00th=[ 835], 60.00th=[ 885], | 70.00th=[ 927], 80.00th=[ 986], 90.00th=[ 1062], 95.00th=[ 1116], | 99.00th=[ 1318], 99.50th=[ 1351], 99.90th=[ 1485], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 16, max= 248, per=25.09%, avg=77.02, stdev=29.40, samples=262 iops : min= 4, max= 62, avg=18.79, stdev= 7.41, samples=262 lat (msec) : 250=0.04%, 500=4.96%, 750=25.31%, 1000=51.56%, 2000=18.12% cpu : usr=0.05%, sys=0.29%, ctx=1539, majf=0, minf=11 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=123445: Thu Oct 23 09:48:10 2025 write: IOPS=19, BW=76.9KiB/s (78.7kB/s)(10.0MiB/133194msec); 0 zone resets slat (usec): min=23, max=8225, avg=190.14, stdev=539.95 clat (msec): min=265, max=1409, avg=831.74, stdev=190.06 lat (msec): min=265, max=1409, avg=831.93, stdev=190.09 clat percentiles (msec): | 1.00th=[ 279], 5.00th=[ 518], 10.00th=[ 600], 20.00th=[ 693], | 30.00th=[ 743], 40.00th=[ 793], 50.00th=[ 835], 60.00th=[ 885], | 70.00th=[ 936], 80.00th=[ 986], 90.00th=[ 1053], 95.00th=[ 1133], | 99.00th=[ 1318], 99.50th=[ 1318], 99.90th=[ 1401], 99.95th=[ 1401], | 99.99th=[ 1418] bw ( KiB/s): min= 8, max= 256, per=25.09%, avg=77.02, stdev=30.12, samples=262 iops : min= 2, max= 64, avg=18.79, stdev= 7.61, samples=262 lat (msec) : 500=3.95%, 750=27.50%, 1000=50.23%, 2000=18.32% cpu : usr=0.03%, sys=0.30%, ctx=1457, 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=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=308KiB/s (315kB/s), 76.9KiB/s-76.9KiB/s (78.7kB/s-78.8kB/s), io=40.0MiB (41.9MB), run=133109-133194msec 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=123477: Thu Oct 23 09:49:29 2025 read: IOPS=17, BW=68.7KiB/s (70.3kB/s)(5048KiB/73493msec) slat (usec): min=38, max=29818, avg=8135.96, stdev=3863.57 clat (msec): min=19, max=955, avg=299.50, stdev=75.10 lat (msec): min=24, max=962, avg=307.64, stdev=75.64 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 205], 10.00th=[ 220], 20.00th=[ 245], | 30.00th=[ 262], 40.00th=[ 279], 50.00th=[ 296], 60.00th=[ 313], | 70.00th=[ 330], 80.00th=[ 351], 90.00th=[ 384], 95.00th=[ 409], | 99.00th=[ 485], 99.50th=[ 514], 99.90th=[ 877], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 15, max= 159, per=25.23%, avg=68.63, stdev=25.92, samples=145 iops : min= 3, max= 39, avg=16.66, stdev= 6.48, samples=145 write: IOPS=17, BW=70.6KiB/s (72.3kB/s)(5192KiB/73493msec); 0 zone resets slat (usec): min=27, max=6787, avg=224.06, stdev=494.17 clat (msec): min=79, max=1548, avg=605.87, stdev=176.27 lat (msec): min=79, max=1549, avg=606.09, stdev=176.30 clat percentiles (msec): | 1.00th=[ 288], 5.00th=[ 355], 10.00th=[ 405], 20.00th=[ 456], | 30.00th=[ 493], 40.00th=[ 542], 50.00th=[ 592], 60.00th=[ 634], | 70.00th=[ 693], 80.00th=[ 751], 90.00th=[ 827], 95.00th=[ 894], | 99.00th=[ 1116], 99.50th=[ 1183], 99.90th=[ 1552], 99.95th=[ 1552], | 99.99th=[ 1552] bw ( KiB/s): min= 31, max= 158, per=24.85%, avg=70.33, stdev=23.34, samples=145 iops : min= 7, max= 39, avg=17.08, stdev= 5.80, samples=145 lat (msec) : 20=0.04%, 50=0.08%, 100=0.47%, 250=11.17%, 500=53.05% lat (msec) : 750=25.12%, 1000=9.10%, 2000=0.98% cpu : usr=0.11%, sys=0.82%, ctx=2943, 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=123478: Thu Oct 23 09:49:30 2025 read: IOPS=16, BW=67.4KiB/s (69.1kB/s)(4976KiB/73777msec) slat (usec): min=1589, max=53716, avg=8269.47, stdev=4234.42 clat (msec): min=13, max=520, avg=301.52, stdev=64.35 lat (msec): min=22, max=532, avg=309.80, stdev=64.86 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 205], 10.00th=[ 222], 20.00th=[ 249], | 30.00th=[ 268], 40.00th=[ 284], 50.00th=[ 300], 60.00th=[ 317], | 70.00th=[ 334], 80.00th=[ 355], 90.00th=[ 384], 95.00th=[ 409], | 99.00th=[ 464], 99.50th=[ 493], 99.90th=[ 523], 99.95th=[ 523], | 99.99th=[ 523] bw ( KiB/s): min= 15, max= 143, per=24.59%, avg=66.90, stdev=26.01, samples=146 iops : min= 3, max= 35, avg=16.21, stdev= 6.44, samples=146 write: IOPS=17, BW=71.3KiB/s (73.1kB/s)(5264KiB/73777msec); 0 zone resets slat (usec): min=28, max=11539, avg=237.65, stdev=670.92 clat (msec): min=106, max=1155, avg=603.20, stdev=162.88 lat (msec): min=107, max=1155, avg=603.44, stdev=162.91 clat percentiles (msec): | 1.00th=[ 264], 5.00th=[ 363], 10.00th=[ 409], 20.00th=[ 456], | 30.00th=[ 502], 40.00th=[ 550], 50.00th=[ 592], 60.00th=[ 634], | 70.00th=[ 693], 80.00th=[ 751], 90.00th=[ 827], 95.00th=[ 885], | 99.00th=[ 978], 99.50th=[ 1020], 99.90th=[ 1116], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 23, max= 132, per=24.98%, avg=70.69, stdev=22.33, samples=146 iops : min= 5, max= 33, avg=17.17, stdev= 5.58, samples=146 lat (msec) : 20=0.04%, 50=0.12%, 100=0.04%, 250=10.51%, 500=52.77% lat (msec) : 750=26.45%, 1000=9.77%, 2000=0.31% cpu : usr=0.10%, sys=0.86%, ctx=3083, majf=0, minf=15 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=123479: Thu Oct 23 09:49:30 2025 read: IOPS=16, BW=67.6KiB/s (69.2kB/s)(4984KiB/73774msec) slat (usec): min=1853, max=40523, avg=8348.20, stdev=4188.92 clat (msec): min=27, max=508, avg=301.37, stdev=65.72 lat (msec): min=35, max=515, avg=309.72, stdev=66.24 clat percentiles (msec): | 1.00th=[ 159], 5.00th=[ 207], 10.00th=[ 228], 20.00th=[ 249], | 30.00th=[ 266], 40.00th=[ 284], 50.00th=[ 296], 60.00th=[ 313], | 70.00th=[ 330], 80.00th=[ 355], 90.00th=[ 384], 95.00th=[ 414], | 99.00th=[ 464], 99.50th=[ 472], 99.90th=[ 506], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 7, max= 143, per=24.63%, avg=67.01, stdev=29.64, samples=146 iops : min= 1, max= 35, avg=16.23, stdev= 7.36, samples=146 write: IOPS=17, BW=71.2KiB/s (72.0kB/s)(5256KiB/73774msec); 0 zone resets slat (usec): min=28, max=7065, avg=211.53, stdev=511.56 clat (msec): min=148, max=1162, avg=603.50, stdev=164.87 lat (msec): min=148, max=1162, avg=603.71, stdev=164.88 clat percentiles (msec): | 1.00th=[ 266], 5.00th=[ 372], 10.00th=[ 405], 20.00th=[ 456], | 30.00th=[ 493], 40.00th=[ 542], 50.00th=[ 592], 60.00th=[ 642], | 70.00th=[ 701], 80.00th=[ 751], 90.00th=[ 827], 95.00th=[ 885], | 99.00th=[ 1003], 99.50th=[ 1083], 99.90th=[ 1133], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 23, max= 127, per=24.82%, avg=70.25, stdev=22.51, samples=146 iops : min= 5, max= 31, avg=17.04, stdev= 5.65, samples=146 lat (msec) : 50=0.08%, 100=0.23%, 250=10.35%, 500=53.91%, 750=25.23% lat (msec) : 1000=9.65%, 2000=0.55% cpu : usr=0.11%, sys=0.85%, ctx=2970, 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=123480: Thu Oct 23 09:49:30 2025 read: IOPS=17, BW=68.8KiB/s (70.5kB/s)(5060KiB/73495msec) slat (usec): min=2220, max=44502, avg=8355.03, stdev=4089.31 clat (msec): min=8, max=661, avg=301.09, stdev=66.36 lat (msec): min=16, max=672, avg=309.45, stdev=66.83 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 209], 10.00th=[ 226], 20.00th=[ 249], | 30.00th=[ 268], 40.00th=[ 284], 50.00th=[ 296], 60.00th=[ 313], | 70.00th=[ 330], 80.00th=[ 355], 90.00th=[ 380], 95.00th=[ 409], | 99.00th=[ 477], 99.50th=[ 506], 99.90th=[ 592], 99.95th=[ 659], | 99.99th=[ 659] bw ( KiB/s): min= 7, max= 135, per=25.12%, avg=68.32, stdev=27.55, samples=145 iops : min= 1, max= 33, avg=16.55, stdev= 6.88, samples=145 write: IOPS=17, BW=70.5KiB/s (72.2kB/s)(5180KiB/73495msec); 0 zone resets slat (usec): min=27, max=14163, avg=204.13, stdev=571.78 clat (msec): min=217, max=1155, avg=604.42, stdev=166.65 lat (msec): min=217, max=1155, avg=604.62, stdev=166.64 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 368], 10.00th=[ 409], 20.00th=[ 456], | 30.00th=[ 498], 40.00th=[ 542], 50.00th=[ 592], 60.00th=[ 634], | 70.00th=[ 693], 80.00th=[ 751], 90.00th=[ 827], 95.00th=[ 902], | 99.00th=[ 1028], 99.50th=[ 1083], 99.90th=[ 1150], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 15, max= 128, per=24.57%, avg=69.53, stdev=22.70, samples=145 iops : min= 3, max= 32, avg=16.86, stdev= 5.69, samples=145 lat (msec) : 10=0.04%, 20=0.16%, 100=0.12%, 250=9.96%, 500=54.10% lat (msec) : 750=25.43%, 1000=9.45%, 2000=0.74% cpu : usr=0.10%, sys=0.82%, ctx=2997, majf=0, minf=15 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=272KiB/s (279kB/s), 67.4KiB/s-68.8KiB/s (69.1kB/s-70.5kB/s), io=19.6MiB (20.5MB), run=73493-73777msec WRITE: bw=283KiB/s (290kB/s), 70.5KiB/s-71.3KiB/s (72.2kB/s-73.1kB/s), io=20.4MiB (21.4MB), run=73493-73777msec 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=123494: Thu Oct 23 09:49:36 2025 read: IOPS=3, BW=137MiB/s (144MB/s)(40.0MiB/291msec) slat (nsec): min=47400k, max=47400k, avg=47400486.00, stdev= 0.00 clat (nsec): min=234354k, max=234354k, avg=234354322.00, stdev= 0.00 lat (nsec): min=281759k, max=281759k, avg=281758755.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 234], 10.00th=[ 234], 20.00th=[ 234], | 30.00th=[ 234], 40.00th=[ 234], 50.00th=[ 234], 60.00th=[ 234], | 70.00th=[ 234], 80.00th=[ 234], 90.00th=[ 234], 95.00th=[ 234], | 99.00th=[ 234], 99.50th=[ 234], 99.90th=[ 234], 99.95th=[ 234], | 99.99th=[ 234] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=3.10%, ctx=4, majf=0, minf=8 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=137MiB/s (144MB/s), 137MiB/s-137MiB/s (144MB/s-144MB/s), io=40.0MiB (41.9MB), run=291-291msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck