== sanity test 398c: run fio to test AIO ================= 20:21:13 (1788567673) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.707496 s, 59.3 MB/s osc.lustre-OST0000-osc-ffff9c373220a800.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=180360: Fri Sep 4 20:22:00 2026 write: IOPS=75, BW=302KiB/s (309kB/s)(10.0MiB/33932msec); 0 zone resets slat (usec): min=23, max=21969, avg=237.27, stdev=969.72 clat (msec): min=21, max=501, avg=211.59, stdev=59.53 lat (msec): min=21, max=501, avg=211.83, stdev=59.52 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 124], 10.00th=[ 144], 20.00th=[ 161], | 30.00th=[ 176], 40.00th=[ 194], 50.00th=[ 209], 60.00th=[ 224], | 70.00th=[ 239], 80.00th=[ 257], 90.00th=[ 288], 95.00th=[ 313], | 99.00th=[ 384], 99.50th=[ 388], 99.90th=[ 502], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 150, max= 456, per=25.06%, avg=300.72, stdev=72.69, samples=67 iops : min= 37, max= 114, avg=74.76, stdev=18.19, samples=67 lat (msec) : 50=0.04%, 100=1.76%, 250=74.49%, 500=23.48%, 750=0.23% cpu : usr=0.19%, sys=0.98%, ctx=2206, 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=180361: Fri Sep 4 20:22:00 2026 write: IOPS=75, BW=300KiB/s (307kB/s)(10.0MiB/34109msec); 0 zone resets slat (usec): min=20, max=13974, avg=200.96, stdev=763.85 clat (msec): min=25, max=427, avg=212.11, stdev=57.82 lat (msec): min=25, max=427, avg=212.31, stdev=57.85 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 129], 10.00th=[ 144], 20.00th=[ 159], | 30.00th=[ 178], 40.00th=[ 192], 50.00th=[ 209], 60.00th=[ 226], | 70.00th=[ 239], 80.00th=[ 259], 90.00th=[ 284], 95.00th=[ 317], | 99.00th=[ 355], 99.50th=[ 426], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 127, max= 504, per=24.95%, avg=299.45, stdev=74.15, samples=67 iops : min= 31, max= 126, avg=74.48, stdev=18.62, samples=67 lat (msec) : 50=0.08%, 100=1.17%, 250=75.27%, 500=23.48% cpu : usr=0.19%, sys=0.75%, ctx=1870, 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=180362: Fri Sep 4 20:22:00 2026 write: IOPS=75, BW=300KiB/s (308kB/s)(10.0MiB/34077msec); 0 zone resets slat (usec): min=20, max=17531, avg=219.78, stdev=867.56 clat (msec): min=29, max=437, avg=211.51, stdev=57.43 lat (msec): min=29, max=437, avg=211.73, stdev=57.43 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 125], 10.00th=[ 146], 20.00th=[ 165], | 30.00th=[ 176], 40.00th=[ 192], 50.00th=[ 211], 60.00th=[ 226], | 70.00th=[ 241], 80.00th=[ 259], 90.00th=[ 288], 95.00th=[ 309], | 99.00th=[ 359], 99.50th=[ 384], 99.90th=[ 439], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 128, max= 476, per=24.84%, avg=298.06, stdev=73.61, samples=67 iops : min= 32, max= 119, avg=74.13, stdev=18.43, samples=67 lat (msec) : 50=0.43%, 100=1.05%, 250=74.77%, 500=23.75% cpu : usr=0.24%, sys=0.94%, ctx=2172, 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=180363: Fri Sep 4 20:22:00 2026 write: IOPS=75, BW=300KiB/s (307kB/s)(10.0MiB/34121msec); 0 zone resets slat (usec): min=20, max=17515, avg=259.48, stdev=1080.39 clat (msec): min=47, max=413, avg=211.86, stdev=57.66 lat (msec): min=47, max=414, avg=212.12, stdev=57.69 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 125], 10.00th=[ 144], 20.00th=[ 163], | 30.00th=[ 180], 40.00th=[ 192], 50.00th=[ 209], 60.00th=[ 222], | 70.00th=[ 239], 80.00th=[ 259], 90.00th=[ 288], 95.00th=[ 317], | 99.00th=[ 359], 99.50th=[ 384], 99.90th=[ 414], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 175, max= 424, per=24.85%, avg=298.16, stdev=63.09, samples=67 iops : min= 43, max= 106, avg=74.16, stdev=15.80, samples=67 lat (msec) : 50=0.08%, 100=1.48%, 250=74.02%, 500=24.41% cpu : usr=0.24%, sys=0.93%, ctx=2367, 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=1200KiB/s (1229kB/s), 300KiB/s-302KiB/s (307kB/s-309kB/s), io=40.0MiB (41.9MB), run=33932-34121msec 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=180378: Fri Sep 4 20:22:48 2026 read: IOPS=32, BW=132KiB/s (135kB/s)(5048KiB/38317msec) slat (usec): min=3091, max=67802, avg=16882.76, stdev=9526.12 clat (msec): min=40, max=471, avg=224.37, stdev=61.51 lat (msec): min=65, max=524, avg=241.26, stdev=64.10 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 129], 10.00th=[ 153], 20.00th=[ 174], | 30.00th=[ 192], 40.00th=[ 207], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 251], 80.00th=[ 271], 90.00th=[ 305], 95.00th=[ 330], | 99.00th=[ 397], 99.50th=[ 435], 99.90th=[ 464], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 40, max= 320, per=24.87%, avg=130.08, stdev=38.42, samples=75 iops : min= 10, max= 80, avg=32.09, stdev= 9.65, samples=75 write: IOPS=33, BW=136KiB/s (139kB/s)(5192KiB/38317msec); 0 zone resets slat (usec): min=26, max=23421, avg=227.67, stdev=937.95 clat (msec): min=57, max=467, avg=232.81, stdev=60.74 lat (msec): min=57, max=467, avg=233.04, stdev=60.77 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 142], 10.00th=[ 159], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 215], 50.00th=[ 228], 60.00th=[ 241], | 70.00th=[ 255], 80.00th=[ 284], 90.00th=[ 313], 95.00th=[ 342], | 99.00th=[ 401], 99.50th=[ 426], 99.90th=[ 451], 99.95th=[ 468], | 99.99th=[ 468] bw ( KiB/s): min= 20, max= 240, per=24.67%, avg=134.45, stdev=40.14, samples=75 iops : min= 5, max= 60, avg=33.19, stdev=10.04, samples=75 lat (msec) : 50=0.04%, 100=0.78%, 250=67.50%, 500=31.68% cpu : usr=0.23%, sys=1.56%, ctx=4109, 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=180379: Fri Sep 4 20:22:49 2026 read: IOPS=32, BW=130KiB/s (133kB/s)(4976KiB/38222msec) slat (usec): min=3214, max=73820, avg=16603.61, stdev=9491.04 clat (msec): min=20, max=468, avg=225.36, stdev=60.10 lat (msec): min=27, max=519, avg=241.97, stdev=62.25 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 136], 10.00th=[ 155], 20.00th=[ 178], | 30.00th=[ 194], 40.00th=[ 209], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 251], 80.00th=[ 271], 90.00th=[ 300], 95.00th=[ 330], | 99.00th=[ 397], 99.50th=[ 430], 99.90th=[ 468], 99.95th=[ 468], | 99.99th=[ 468] bw ( KiB/s): min= 27, max= 224, per=24.67%, avg=129.01, stdev=37.33, samples=75 iops : min= 6, max= 56, avg=31.83, stdev= 9.43, samples=75 write: IOPS=34, BW=138KiB/s (141kB/s)(5264KiB/38222msec); 0 zone resets slat (usec): min=24, max=11484, avg=223.40, stdev=754.75 clat (msec): min=37, max=453, avg=232.09, stdev=57.40 lat (msec): min=37, max=453, avg=232.32, stdev=57.36 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 140], 10.00th=[ 167], 20.00th=[ 190], | 30.00th=[ 203], 40.00th=[ 218], 50.00th=[ 230], 60.00th=[ 239], | 70.00th=[ 253], 80.00th=[ 279], 90.00th=[ 309], 95.00th=[ 330], | 99.00th=[ 401], 99.50th=[ 409], 99.90th=[ 435], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 63, max= 344, per=25.25%, avg=137.59, stdev=41.68, samples=75 iops : min= 15, max= 86, avg=33.97, stdev=10.47, samples=75 lat (msec) : 50=0.12%, 100=0.86%, 250=67.89%, 500=31.13% cpu : usr=0.26%, sys=1.56%, ctx=3638, 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=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=180380: Fri Sep 4 20:22:49 2026 read: IOPS=32, BW=130KiB/s (133kB/s)(4984KiB/38241msec) slat (msec): min=2, max=100, avg=16.58, stdev= 9.09 clat (msec): min=13, max=472, avg=224.14, stdev=58.92 lat (msec): min=27, max=493, avg=240.72, stdev=61.04 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 138], 10.00th=[ 153], 20.00th=[ 176], | 30.00th=[ 192], 40.00th=[ 207], 50.00th=[ 220], 60.00th=[ 234], | 70.00th=[ 251], 80.00th=[ 268], 90.00th=[ 300], 95.00th=[ 330], | 99.00th=[ 393], 99.50th=[ 422], 99.90th=[ 447], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 54, max= 248, per=24.79%, avg=129.63, stdev=38.40, samples=75 iops : min= 13, max= 62, avg=31.97, stdev= 9.64, samples=75 write: IOPS=34, BW=137KiB/s (141kB/s)(5256KiB/38241msec); 0 zone resets slat (usec): min=28, max=18582, avg=288.33, stdev=1168.73 clat (msec): min=57, max=488, avg=233.62, stdev=62.28 lat (msec): min=57, max=489, avg=233.91, stdev=62.24 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 138], 10.00th=[ 159], 20.00th=[ 184], | 30.00th=[ 201], 40.00th=[ 215], 50.00th=[ 230], 60.00th=[ 243], | 70.00th=[ 262], 80.00th=[ 284], 90.00th=[ 313], 95.00th=[ 338], | 99.00th=[ 422], 99.50th=[ 439], 99.90th=[ 489], 99.95th=[ 489], | 99.99th=[ 489] bw ( KiB/s): min= 67, max= 288, per=24.98%, avg=136.12, stdev=37.36, samples=75 iops : min= 16, max= 72, avg=33.60, stdev= 9.42, samples=75 lat (msec) : 20=0.04%, 100=0.39%, 250=67.07%, 500=32.50% cpu : usr=0.26%, sys=1.71%, ctx=4114, 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=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=180381: Fri Sep 4 20:22:49 2026 read: IOPS=33, BW=133KiB/s (136kB/s)(5060KiB/38071msec) slat (usec): min=53, max=73124, avg=16629.15, stdev=9276.85 clat (msec): min=11, max=477, avg=225.43, stdev=62.52 lat (msec): min=20, max=502, avg=242.07, stdev=65.05 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 129], 10.00th=[ 155], 20.00th=[ 176], | 30.00th=[ 192], 40.00th=[ 209], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 251], 80.00th=[ 271], 90.00th=[ 305], 95.00th=[ 334], | 99.00th=[ 418], 99.50th=[ 443], 99.90th=[ 468], 99.95th=[ 477], | 99.99th=[ 477] bw ( KiB/s): min= 24, max= 312, per=25.35%, avg=132.59, stdev=40.68, samples=75 iops : min= 6, max= 78, avg=32.71, stdev=10.19, samples=75 write: IOPS=34, BW=136KiB/s (139kB/s)(5180KiB/38071msec); 0 zone resets slat (usec): min=23, max=47097, avg=269.17, stdev=1693.62 clat (msec): min=81, max=499, avg=233.03, stdev=57.84 lat (msec): min=81, max=500, avg=233.30, stdev=57.87 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 144], 10.00th=[ 163], 20.00th=[ 188], | 30.00th=[ 203], 40.00th=[ 218], 50.00th=[ 228], 60.00th=[ 243], | 70.00th=[ 259], 80.00th=[ 284], 90.00th=[ 305], 95.00th=[ 326], | 99.00th=[ 384], 99.50th=[ 422], 99.90th=[ 498], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 63, max= 240, per=24.80%, avg=135.16, stdev=34.89, samples=75 iops : min= 15, max= 60, avg=33.37, stdev= 8.81, samples=75 lat (msec) : 20=0.04%, 50=0.04%, 100=1.41%, 250=66.05%, 500=32.46% cpu : usr=0.26%, sys=1.51%, ctx=3959, 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=524KiB/s (536kB/s), 130KiB/s-133KiB/s (133kB/s-136kB/s), io=19.6MiB (20.5MB), run=38071-38317msec WRITE: bw=545KiB/s (558kB/s), 136KiB/s-138KiB/s (139kB/s-141kB/s), io=20.4MiB (21.4MB), run=38071-38317msec 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=180391: Fri Sep 4 20:23:01 2026 read: IOPS=1, BW=62.5MiB/s (65.5MB/s)(40.0MiB/640msec) slat (nsec): min=53554k, max=53554k, avg=53553973.00, stdev= 0.00 clat (nsec): min=564689k, max=564689k, avg=564688947.00, stdev= 0.00 lat (nsec): min=621128k, max=621128k, avg=621128213.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 567], 5.00th=[ 567], 10.00th=[ 567], 20.00th=[ 567], | 30.00th=[ 567], 40.00th=[ 567], 50.00th=[ 567], 60.00th=[ 567], | 70.00th=[ 567], 80.00th=[ 567], 90.00th=[ 567], 95.00th=[ 567], | 99.00th=[ 567], 99.50th=[ 567], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=1.72%, ctx=4, 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=62.5MiB/s (65.5MB/s), 62.5MiB/s-62.5MiB/s (65.5MB/s-65.5MB/s), io=40.0MiB (41.9MB), run=640-640msec 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