== sanity test 398c: run fio to test AIO ================= 09:30:44 (1759843844) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.139396 s, 301 MB/s osc.lustre-OST0000-osc-ffff8e7547ea2800.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=122978: Tue Oct 7 09:31:14 2025 write: IOPS=97, BW=391KiB/s (401kB/s)(10.0MiB/26165msec); 0 zone resets slat (usec): min=29, max=506, avg=116.09, stdev=53.42 clat (msec): min=74, max=271, avg=163.32, stdev=28.93 lat (msec): min=74, max=271, avg=163.44, stdev=28.93 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 115], 10.00th=[ 123], 20.00th=[ 140], | 30.00th=[ 150], 40.00th=[ 157], 50.00th=[ 165], 60.00th=[ 171], | 70.00th=[ 178], 80.00th=[ 188], 90.00th=[ 201], 95.00th=[ 211], | 99.00th=[ 230], 99.50th=[ 241], 99.90th=[ 249], 99.95th=[ 259], | 99.99th=[ 271] bw ( KiB/s): min= 288, max= 536, per=24.86%, avg=389.04, stdev=49.57, samples=52 iops : min= 72, max= 134, avg=97.25, stdev=12.37, samples=52 lat (msec) : 100=1.17%, 250=98.75%, 500=0.08% cpu : usr=0.20%, sys=1.07%, ctx=1974, 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=122979: Tue Oct 7 09:31:14 2025 write: IOPS=97, BW=391KiB/s (401kB/s)(10.0MiB/26157msec); 0 zone resets slat (usec): min=25, max=480, avg=117.15, stdev=54.28 clat (msec): min=53, max=376, avg=163.24, stdev=30.54 lat (msec): min=53, max=376, avg=163.36, stdev=30.54 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 112], 10.00th=[ 123], 20.00th=[ 138], | 30.00th=[ 148], 40.00th=[ 157], 50.00th=[ 165], 60.00th=[ 171], | 70.00th=[ 178], 80.00th=[ 188], 90.00th=[ 203], 95.00th=[ 213], | 99.00th=[ 230], 99.50th=[ 239], 99.90th=[ 330], 99.95th=[ 368], | 99.99th=[ 376] bw ( KiB/s): min= 304, max= 531, per=25.07%, avg=392.37, stdev=50.81, samples=51 iops : min= 76, max= 132, avg=98.08, stdev=12.66, samples=51 lat (msec) : 100=1.37%, 250=98.28%, 500=0.35% cpu : usr=0.15%, sys=1.12%, ctx=1987, 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=122980: Tue Oct 7 09:31:14 2025 write: IOPS=98, BW=392KiB/s (402kB/s)(10.0MiB/26091msec); 0 zone resets slat (usec): min=28, max=600, avg=118.10, stdev=56.42 clat (msec): min=13, max=323, avg=162.85, stdev=31.71 lat (msec): min=14, max=323, avg=162.97, stdev=31.71 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 111], 10.00th=[ 123], 20.00th=[ 138], | 30.00th=[ 148], 40.00th=[ 157], 50.00th=[ 165], 60.00th=[ 171], | 70.00th=[ 180], 80.00th=[ 188], 90.00th=[ 203], 95.00th=[ 213], | 99.00th=[ 228], 99.50th=[ 236], 99.90th=[ 300], 99.95th=[ 309], | 99.99th=[ 326] bw ( KiB/s): min= 288, max= 608, per=25.07%, avg=392.31, stdev=59.72, samples=51 iops : min= 72, max= 152, avg=98.08, stdev=14.93, samples=51 lat (msec) : 20=0.08%, 50=0.27%, 100=2.54%, 250=96.88%, 500=0.23% cpu : usr=0.23%, sys=1.07%, ctx=1940, 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=122981: Tue Oct 7 09:31:14 2025 write: IOPS=97, BW=391KiB/s (401kB/s)(10.0MiB/26156msec); 0 zone resets slat (usec): min=32, max=521, avg=118.82, stdev=55.68 clat (msec): min=60, max=277, avg=163.25, stdev=29.28 lat (msec): min=60, max=277, avg=163.37, stdev=29.28 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 114], 10.00th=[ 123], 20.00th=[ 138], | 30.00th=[ 150], 40.00th=[ 157], 50.00th=[ 165], 60.00th=[ 171], | 70.00th=[ 178], 80.00th=[ 188], 90.00th=[ 203], 95.00th=[ 211], | 99.00th=[ 230], 99.50th=[ 239], 99.90th=[ 264], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 304, max= 528, per=25.00%, avg=391.31, stdev=48.09, samples=51 iops : min= 76, max= 132, avg=97.82, stdev=12.01, samples=51 lat (msec) : 100=1.33%, 250=98.44%, 500=0.23% cpu : usr=0.19%, sys=1.11%, ctx=2049, 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 Run status group 0 (all jobs): WRITE: bw=1565KiB/s (1603kB/s), 391KiB/s-392KiB/s (401kB/s-402kB/s), io=40.0MiB (41.9MB), run=26091-26165msec 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=122994: Tue Oct 7 09:31:34 2025 read: IOPS=73, BW=295KiB/s (302kB/s)(5048KiB/17128msec) slat (usec): min=754, max=12326, avg=1429.67, stdev=548.57 clat (usec): min=1490, max=120322, avg=72516.39, stdev=13496.57 lat (msec): min=3, max=122, avg=73.95, stdev=13.54 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 52], 10.00th=[ 57], 20.00th=[ 63], | 30.00th=[ 66], 40.00th=[ 70], 50.00th=[ 73], 60.00th=[ 77], | 70.00th=[ 80], 80.00th=[ 83], 90.00th=[ 90], 95.00th=[ 95], | 99.00th=[ 104], 99.50th=[ 106], 99.90th=[ 111], 99.95th=[ 121], | 99.99th=[ 121] bw ( KiB/s): min= 184, max= 400, per=25.17%, avg=294.70, stdev=55.00, samples=33 iops : min= 46, max= 100, avg=73.67, stdev=13.75, samples=33 write: IOPS=75, BW=303KiB/s (310kB/s)(5192KiB/17128msec); 0 zone resets slat (usec): min=27, max=635, avg=112.56, stdev=60.57 clat (msec): min=41, max=237, avg=138.89, stdev=32.99 lat (msec): min=41, max=238, avg=139.01, stdev=32.99 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 87], 10.00th=[ 96], 20.00th=[ 112], | 30.00th=[ 121], 40.00th=[ 130], 50.00th=[ 136], 60.00th=[ 146], | 70.00th=[ 157], 80.00th=[ 169], 90.00th=[ 184], 95.00th=[ 197], | 99.00th=[ 213], 99.50th=[ 222], 99.90th=[ 226], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 224, max= 376, per=24.76%, avg=301.82, stdev=36.68, samples=33 iops : min= 56, max= 94, avg=75.45, stdev= 9.17, samples=33 lat (msec) : 2=0.08%, 20=0.16%, 50=1.91%, 100=52.15%, 250=45.70% cpu : usr=0.34%, sys=2.27%, ctx=2921, 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=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=122995: Tue Oct 7 09:31:34 2025 read: IOPS=72, BW=291KiB/s (298kB/s)(4976KiB/17120msec) slat (usec): min=747, max=12177, avg=1435.35, stdev=591.84 clat (msec): min=9, max=120, avg=72.39, stdev=14.22 lat (msec): min=11, max=122, avg=73.83, stdev=14.26 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 53], 10.00th=[ 57], 20.00th=[ 62], | 30.00th=[ 66], 40.00th=[ 69], 50.00th=[ 72], 60.00th=[ 75], | 70.00th=[ 80], 80.00th=[ 85], 90.00th=[ 90], 95.00th=[ 95], | 99.00th=[ 105], 99.50th=[ 108], 99.90th=[ 109], 99.95th=[ 121], | 99.99th=[ 121] bw ( KiB/s): min= 192, max= 448, per=24.88%, avg=291.30, stdev=58.97, samples=33 iops : min= 48, max= 112, avg=72.82, stdev=14.74, samples=33 write: IOPS=76, BW=307KiB/s (315kB/s)(5264KiB/17120msec); 0 zone resets slat (usec): min=35, max=757, avg=109.38, stdev=59.64 clat (msec): min=53, max=228, avg=138.04, stdev=33.32 lat (msec): min=54, max=228, avg=138.15, stdev=33.32 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 86], 10.00th=[ 95], 20.00th=[ 108], | 30.00th=[ 121], 40.00th=[ 130], 50.00th=[ 138], 60.00th=[ 146], | 70.00th=[ 155], 80.00th=[ 169], 90.00th=[ 182], 95.00th=[ 197], | 99.00th=[ 213], 99.50th=[ 220], 99.90th=[ 226], 99.95th=[ 230], | 99.99th=[ 230] bw ( KiB/s): min= 216, max= 440, per=25.18%, avg=306.94, stdev=52.91, samples=33 iops : min= 54, max= 110, avg=76.73, stdev=13.23, samples=33 lat (msec) : 10=0.04%, 20=0.39%, 50=1.48%, 100=52.66%, 250=45.43% cpu : usr=0.32%, sys=2.27%, ctx=2956, 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=122996: Tue Oct 7 09:31:34 2025 read: IOPS=72, BW=292KiB/s (299kB/s)(4984KiB/17073msec) slat (usec): min=45, max=4572, avg=1419.35, stdev=437.88 clat (usec): min=1742, max=198519, avg=71797.83, stdev=15590.71 lat (msec): min=2, max=199, avg=73.22, stdev=15.66 clat percentiles (msec): | 1.00th=[ 14], 5.00th=[ 51], 10.00th=[ 56], 20.00th=[ 62], | 30.00th=[ 65], 40.00th=[ 69], 50.00th=[ 72], 60.00th=[ 75], | 70.00th=[ 80], 80.00th=[ 84], 90.00th=[ 90], 95.00th=[ 94], | 99.00th=[ 106], 99.50th=[ 110], 99.90th=[ 176], 99.95th=[ 199], | 99.99th=[ 199] bw ( KiB/s): min= 208, max= 408, per=25.19%, avg=294.97, stdev=53.48, samples=33 iops : min= 52, max= 102, avg=73.73, stdev=13.36, samples=33 write: IOPS=76, BW=308KiB/s (315kB/s)(5256KiB/17073msec); 0 zone resets slat (usec): min=32, max=1043, avg=112.99, stdev=65.27 clat (msec): min=16, max=271, avg=138.16, stdev=35.15 lat (msec): min=16, max=271, avg=138.28, stdev=35.16 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 85], 10.00th=[ 96], 20.00th=[ 110], | 30.00th=[ 120], 40.00th=[ 127], 50.00th=[ 138], 60.00th=[ 146], | 70.00th=[ 157], 80.00th=[ 169], 90.00th=[ 184], 95.00th=[ 194], | 99.00th=[ 222], 99.50th=[ 236], 99.90th=[ 253], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 216, max= 382, per=25.19%, avg=307.09, stdev=41.84, samples=33 iops : min= 54, max= 95, avg=76.76, stdev=10.43, samples=33 lat (msec) : 2=0.04%, 4=0.12%, 10=0.08%, 20=0.62%, 50=1.99% lat (msec) : 100=51.21%, 250=45.82%, 500=0.12% cpu : usr=0.37%, sys=2.26%, ctx=2914, 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=122997: Tue Oct 7 09:31:34 2025 read: IOPS=74, BW=296KiB/s (303kB/s)(5060KiB/17085msec) slat (usec): min=706, max=9291, avg=1425.26, stdev=508.79 clat (msec): min=9, max=120, avg=72.59, stdev=13.74 lat (msec): min=11, max=122, avg=74.02, stdev=13.78 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 52], 10.00th=[ 56], 20.00th=[ 62], | 30.00th=[ 66], 40.00th=[ 69], 50.00th=[ 73], 60.00th=[ 77], | 70.00th=[ 80], 80.00th=[ 84], 90.00th=[ 91], 95.00th=[ 96], | 99.00th=[ 105], 99.50th=[ 110], 99.90th=[ 121], 99.95th=[ 122], | 99.99th=[ 122] bw ( KiB/s): min= 208, max= 400, per=25.46%, avg=298.15, stdev=46.37, samples=33 iops : min= 52, max= 100, avg=74.52, stdev=11.60, samples=33 write: IOPS=75, BW=303KiB/s (310kB/s)(5180KiB/17085msec); 0 zone resets slat (usec): min=30, max=998, avg=110.77, stdev=64.97 clat (msec): min=61, max=237, avg=138.42, stdev=32.28 lat (msec): min=61, max=237, avg=138.53, stdev=32.28 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 87], 10.00th=[ 97], 20.00th=[ 111], | 30.00th=[ 122], 40.00th=[ 129], 50.00th=[ 136], 60.00th=[ 144], | 70.00th=[ 155], 80.00th=[ 167], 90.00th=[ 184], 95.00th=[ 194], | 99.00th=[ 215], 99.50th=[ 224], 99.90th=[ 236], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 208, max= 432, per=24.79%, avg=302.21, stdev=40.82, samples=33 iops : min= 52, max= 108, avg=75.55, stdev=10.20, samples=33 lat (msec) : 10=0.04%, 20=0.16%, 50=1.72%, 100=51.76%, 250=46.33% cpu : usr=0.44%, sys=2.17%, ctx=2909, 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=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=1172KiB/s (1200kB/s), 291KiB/s-296KiB/s (298kB/s-303kB/s), io=19.6MiB (20.5MB), run=17073-17128msec WRITE: bw=1220KiB/s (1249kB/s), 303KiB/s-308KiB/s (310kB/s-315kB/s), io=20.4MiB (21.4MB), run=17073-17128msec 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=123003: Tue Oct 7 09:31:38 2025 read: IOPS=10, BW=440MiB/s (461MB/s)(40.0MiB/91msec) slat (nsec): min=12677k, max=12677k, avg=12677433.00, stdev= 0.00 clat (nsec): min=74281k, max=74281k, avg=74280906.00, stdev= 0.00 lat (nsec): min=86963k, max=86963k, avg=86962566.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[73925], 5.00th=[73925], 10.00th=[73925], 20.00th=[73925], | 30.00th=[73925], 40.00th=[73925], 50.00th=[73925], 60.00th=[73925], | 70.00th=[73925], 80.00th=[73925], 90.00th=[73925], 95.00th=[73925], | 99.00th=[73925], 99.50th=[73925], 99.90th=[73925], 99.95th=[73925], | 99.99th=[73925] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=13.33%, ctx=3, majf=0, minf=9 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=440MiB/s (461MB/s), 440MiB/s-440MiB/s (461MB/s-461MB/s), io=40.0MiB (41.9MB), run=91-91msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck