== sanity test 398c: run fio to test AIO ================= 00:06:35 (1790741195) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.61844 s, 67.8 MB/s osc.lustre-OST0000-osc-ffff89d5885d7800.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=181467: Wed Sep 30 00:07:22 2026 write: IOPS=71, BW=288KiB/s (294kB/s)(10.0MiB/35616msec); 0 zone resets slat (usec): min=29, max=21641, avg=272.85, stdev=1051.28 clat (msec): min=32, max=405, avg=221.30, stdev=50.62 lat (msec): min=35, max=406, avg=221.57, stdev=50.56 clat percentiles (msec): | 1.00th=[ 116], 5.00th=[ 146], 10.00th=[ 159], 20.00th=[ 182], | 30.00th=[ 194], 40.00th=[ 207], 50.00th=[ 220], 60.00th=[ 230], | 70.00th=[ 241], 80.00th=[ 259], 90.00th=[ 284], 95.00th=[ 313], | 99.00th=[ 372], 99.50th=[ 372], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 159, max= 436, per=24.83%, avg=285.33, stdev=56.34, samples=70 iops : min= 39, max= 109, avg=70.87, stdev=14.20, samples=70 lat (msec) : 50=0.04%, 100=0.08%, 250=76.45%, 500=23.44% cpu : usr=0.17%, sys=0.94%, ctx=1902, 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=181468: Wed Sep 30 00:07:22 2026 write: IOPS=71, BW=288KiB/s (295kB/s)(10.0MiB/35557msec); 0 zone resets slat (usec): min=29, max=20415, avg=273.67, stdev=1140.45 clat (msec): min=36, max=393, avg=221.66, stdev=50.55 lat (msec): min=43, max=393, avg=221.93, stdev=50.52 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 146], 10.00th=[ 161], 20.00th=[ 182], | 30.00th=[ 194], 40.00th=[ 205], 50.00th=[ 218], 60.00th=[ 228], | 70.00th=[ 243], 80.00th=[ 262], 90.00th=[ 292], 95.00th=[ 317], | 99.00th=[ 351], 99.50th=[ 380], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 127, max= 508, per=24.99%, avg=287.17, stdev=61.39, samples=70 iops : min= 31, max= 127, avg=71.37, stdev=15.46, samples=70 lat (msec) : 50=0.04%, 100=0.62%, 250=74.80%, 500=24.53% cpu : usr=0.13%, sys=0.85%, ctx=1451, 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=181469: Wed Sep 30 00:07:22 2026 write: IOPS=71, BW=287KiB/s (294kB/s)(10.0MiB/35622msec); 0 zone resets slat (usec): min=30, max=17364, avg=287.02, stdev=1006.03 clat (msec): min=37, max=408, avg=221.51, stdev=50.06 lat (msec): min=38, max=408, avg=221.80, stdev=50.05 clat percentiles (msec): | 1.00th=[ 127], 5.00th=[ 150], 10.00th=[ 165], 20.00th=[ 184], | 30.00th=[ 194], 40.00th=[ 207], 50.00th=[ 218], 60.00th=[ 228], | 70.00th=[ 239], 80.00th=[ 257], 90.00th=[ 288], 95.00th=[ 317], | 99.00th=[ 359], 99.50th=[ 380], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 409] bw ( KiB/s): min= 136, max= 422, per=24.87%, avg=285.80, stdev=55.80, samples=70 iops : min= 34, max= 105, avg=71.01, stdev=13.98, samples=70 lat (msec) : 50=0.04%, 100=0.78%, 250=75.43%, 500=23.75% cpu : usr=0.18%, sys=0.99%, ctx=2396, 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=181470: Wed Sep 30 00:07:22 2026 write: IOPS=72, BW=288KiB/s (295kB/s)(10.0MiB/35495msec); 0 zone resets slat (usec): min=29, max=19531, avg=314.55, stdev=1073.21 clat (msec): min=25, max=415, avg=220.75, stdev=52.21 lat (msec): min=25, max=415, avg=221.07, stdev=52.18 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 146], 10.00th=[ 159], 20.00th=[ 182], | 30.00th=[ 194], 40.00th=[ 207], 50.00th=[ 218], 60.00th=[ 230], | 70.00th=[ 243], 80.00th=[ 259], 90.00th=[ 288], 95.00th=[ 321], | 99.00th=[ 372], 99.50th=[ 380], 99.90th=[ 414], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 168, max= 438, per=25.02%, avg=287.50, stdev=51.98, samples=70 iops : min= 42, max= 109, avg=71.44, stdev=13.06, samples=70 lat (msec) : 50=0.35%, 100=0.78%, 250=74.92%, 500=23.95% cpu : usr=0.18%, sys=0.93%, ctx=2243, 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=1150KiB/s (1177kB/s), 287KiB/s-288KiB/s (294kB/s-295kB/s), io=40.0MiB (41.9MB), run=35495-35622msec 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=181485: Wed Sep 30 00:08:11 2026 read: IOPS=32, BW=129KiB/s (132kB/s)(5048KiB/39022msec) slat (usec): min=39, max=65792, avg=16909.82, stdev=9434.26 clat (msec): min=90, max=434, avg=230.52, stdev=51.84 lat (msec): min=110, max=454, avg=247.44, stdev=53.70 clat percentiles (msec): | 1.00th=[ 127], 5.00th=[ 155], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 215], 50.00th=[ 226], 60.00th=[ 239], | 70.00th=[ 257], 80.00th=[ 275], 90.00th=[ 300], 95.00th=[ 321], | 99.00th=[ 359], 99.50th=[ 372], 99.90th=[ 414], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 63, max= 195, per=25.09%, avg=128.69, stdev=32.20, samples=77 iops : min= 15, max= 48, avg=31.66, stdev= 8.06, samples=77 write: IOPS=33, BW=133KiB/s (136kB/s)(5192KiB/39022msec); 0 zone resets slat (usec): min=30, max=13990, avg=280.65, stdev=868.29 clat (msec): min=101, max=426, avg=237.86, stdev=53.83 lat (msec): min=101, max=426, avg=238.14, stdev=53.77 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 157], 10.00th=[ 171], 20.00th=[ 190], | 30.00th=[ 205], 40.00th=[ 220], 50.00th=[ 234], 60.00th=[ 249], | 70.00th=[ 264], 80.00th=[ 288], 90.00th=[ 309], 95.00th=[ 334], | 99.00th=[ 372], 99.50th=[ 384], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 54, max= 231, per=24.87%, avg=132.81, stdev=34.00, samples=77 iops : min= 13, max= 57, avg=32.70, stdev= 8.45, samples=77 lat (msec) : 100=0.08%, 250=63.48%, 500=36.45% cpu : usr=0.23%, sys=1.68%, ctx=4043, 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=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=181486: Wed Sep 30 00:08:11 2026 read: IOPS=31, BW=127KiB/s (131kB/s)(4976KiB/39042msec) slat (usec): min=38, max=71528, avg=17028.28, stdev=9602.14 clat (msec): min=24, max=416, avg=230.83, stdev=53.00 lat (msec): min=37, max=437, avg=247.86, stdev=54.97 clat percentiles (msec): | 1.00th=[ 128], 5.00th=[ 153], 10.00th=[ 169], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 213], 50.00th=[ 226], 60.00th=[ 241], | 70.00th=[ 259], 80.00th=[ 279], 90.00th=[ 300], 95.00th=[ 317], | 99.00th=[ 372], 99.50th=[ 393], 99.90th=[ 409], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 46, max= 206, per=24.70%, avg=126.73, stdev=31.77, samples=77 iops : min= 11, max= 51, avg=31.19, stdev= 7.93, samples=77 write: IOPS=33, BW=135KiB/s (138kB/s)(5264KiB/39042msec); 0 zone resets slat (usec): min=33, max=10305, avg=254.16, stdev=681.41 clat (msec): min=43, max=420, avg=237.89, stdev=53.94 lat (msec): min=43, max=420, avg=238.15, stdev=53.96 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 163], 10.00th=[ 176], 20.00th=[ 190], | 30.00th=[ 205], 40.00th=[ 220], 50.00th=[ 232], 60.00th=[ 247], | 70.00th=[ 264], 80.00th=[ 284], 90.00th=[ 309], 95.00th=[ 334], | 99.00th=[ 380], 99.50th=[ 397], 99.90th=[ 418], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 87, max= 222, per=25.16%, avg=134.36, stdev=33.91, samples=77 iops : min= 21, max= 55, avg=33.09, stdev= 8.45, samples=77 lat (msec) : 50=0.16%, 250=63.71%, 500=36.13% cpu : usr=0.24%, sys=1.51%, ctx=4045, 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=181487: Wed Sep 30 00:08:11 2026 read: IOPS=32, BW=128KiB/s (131kB/s)(4984KiB/38926msec) slat (usec): min=53, max=75018, avg=17117.66, stdev=9561.74 clat (msec): min=24, max=450, avg=232.66, stdev=58.26 lat (msec): min=36, max=456, avg=249.79, stdev=59.79 clat percentiles (msec): | 1.00th=[ 121], 5.00th=[ 150], 10.00th=[ 165], 20.00th=[ 186], | 30.00th=[ 201], 40.00th=[ 213], 50.00th=[ 226], 60.00th=[ 243], | 70.00th=[ 259], 80.00th=[ 279], 90.00th=[ 313], 95.00th=[ 338], | 99.00th=[ 393], 99.50th=[ 418], 99.90th=[ 443], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 63, max= 195, per=24.87%, avg=127.57, stdev=26.60, samples=77 iops : min= 15, max= 48, avg=31.42, stdev= 6.65, samples=77 write: IOPS=33, BW=135KiB/s (138kB/s)(5256KiB/38926msec); 0 zone resets slat (usec): min=33, max=17054, avg=309.78, stdev=1062.07 clat (msec): min=66, max=405, avg=234.97, stdev=52.15 lat (msec): min=68, max=405, avg=235.29, stdev=52.09 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 157], 10.00th=[ 171], 20.00th=[ 190], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 230], 60.00th=[ 245], | 70.00th=[ 259], 80.00th=[ 279], 90.00th=[ 305], 95.00th=[ 330], | 99.00th=[ 368], 99.50th=[ 384], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 55, max= 230, per=25.07%, avg=133.88, stdev=38.79, samples=77 iops : min= 13, max= 57, avg=33.00, stdev= 9.66, samples=77 lat (msec) : 50=0.16%, 100=0.16%, 250=64.22%, 500=35.47% cpu : usr=0.21%, sys=1.64%, ctx=4129, 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=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=181488: Wed Sep 30 00:08:11 2026 read: IOPS=32, BW=130KiB/s (133kB/s)(5060KiB/39059msec) slat (usec): min=3840, max=55364, avg=16863.13, stdev=9123.31 clat (msec): min=29, max=473, avg=230.68, stdev=55.38 lat (msec): min=47, max=482, avg=247.55, stdev=56.93 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 153], 10.00th=[ 169], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 211], 50.00th=[ 226], 60.00th=[ 241], | 70.00th=[ 257], 80.00th=[ 275], 90.00th=[ 305], 95.00th=[ 330], | 99.00th=[ 372], 99.50th=[ 397], 99.90th=[ 468], 99.95th=[ 472], | 99.99th=[ 472] bw ( KiB/s): min= 23, max= 199, per=25.08%, avg=128.68, stdev=31.91, samples=77 iops : min= 5, max= 49, avg=31.69, stdev= 7.96, samples=77 write: IOPS=33, BW=133KiB/s (136kB/s)(5180KiB/39059msec); 0 zone resets slat (usec): min=32, max=15320, avg=342.34, stdev=1120.38 clat (msec): min=57, max=427, avg=236.59, stdev=53.34 lat (msec): min=57, max=427, avg=236.93, stdev=53.29 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 159], 10.00th=[ 171], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 230], 60.00th=[ 247], | 70.00th=[ 264], 80.00th=[ 284], 90.00th=[ 309], 95.00th=[ 330], | 99.00th=[ 368], 99.50th=[ 380], 99.90th=[ 409], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 31, max= 231, per=24.61%, avg=131.40, stdev=35.22, samples=77 iops : min= 7, max= 57, avg=32.36, stdev= 8.79, samples=77 lat (msec) : 50=0.12%, 100=0.35%, 250=63.91%, 500=35.62% cpu : usr=0.26%, sys=1.70%, ctx=4300, 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=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=514KiB/s (526kB/s), 127KiB/s-130KiB/s (131kB/s-133kB/s), io=19.6MiB (20.5MB), run=38926-39059msec WRITE: bw=535KiB/s (548kB/s), 133KiB/s-135KiB/s (136kB/s-138kB/s), io=20.4MiB (21.4MB), run=38926-39059msec 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=181498: Wed Sep 30 00:08:21 2026 read: IOPS=1, BW=67.9MiB/s (71.2MB/s)(40.0MiB/589msec) slat (nsec): min=38497k, max=38497k, avg=38496588.00, stdev= 0.00 clat (nsec): min=507773k, max=507773k, avg=507773471.00, stdev= 0.00 lat (nsec): min=546275k, max=546275k, avg=546274743.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 510], 5.00th=[ 510], 10.00th=[ 510], 20.00th=[ 510], | 30.00th=[ 510], 40.00th=[ 510], 50.00th=[ 510], 60.00th=[ 510], | 70.00th=[ 510], 80.00th=[ 510], 90.00th=[ 510], 95.00th=[ 510], | 99.00th=[ 510], 99.50th=[ 510], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] lat (msec) : 750=100.00% cpu : usr=0.17%, sys=2.55%, ctx=6, 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=67.9MiB/s (71.2MB/s), 67.9MiB/s-67.9MiB/s (71.2MB/s-71.2MB/s), io=40.0MiB (41.9MB), run=589-589msec 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