== sanity test 398c: run fio to test AIO ================= 10:36:30 (1782225390) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.595854 s, 70.4 MB/s osc.lustre-OST0000-osc-ffff92ce45aa6800.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=179293: Tue Jun 23 10:37:12 2026 write: IOPS=83, BW=335KiB/s (343kB/s)(10.0MiB/30546msec); 0 zone resets slat (usec): min=50, max=15445, avg=329.30, stdev=844.60 clat (msec): min=28, max=370, avg=190.40, stdev=43.03 lat (msec): min=28, max=370, avg=190.73, stdev=43.01 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 126], 10.00th=[ 142], 20.00th=[ 157], | 30.00th=[ 167], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 203], | 70.00th=[ 211], 80.00th=[ 222], 90.00th=[ 243], 95.00th=[ 255], | 99.00th=[ 334], 99.50th=[ 347], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 372] bw ( KiB/s): min= 232, max= 583, per=25.02%, avg=333.00, stdev=67.90, samples=60 iops : min= 58, max= 145, avg=82.85, stdev=16.91, samples=60 lat (msec) : 50=0.16%, 100=1.29%, 250=92.50%, 500=6.05% cpu : usr=0.21%, sys=1.17%, ctx=2092, 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=179294: Tue Jun 23 10:37:12 2026 write: IOPS=83, BW=333KiB/s (341kB/s)(10.0MiB/30748msec); 0 zone resets slat (usec): min=52, max=21338, avg=404.77, stdev=1030.59 clat (msec): min=23, max=367, avg=190.88, stdev=40.73 lat (msec): min=23, max=367, avg=191.29, stdev=40.72 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 132], 10.00th=[ 142], 20.00th=[ 159], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 190], 60.00th=[ 199], | 70.00th=[ 209], 80.00th=[ 222], 90.00th=[ 236], 95.00th=[ 259], | 99.00th=[ 313], 99.50th=[ 342], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 368] bw ( KiB/s): min= 224, max= 487, per=24.91%, avg=331.52, stdev=53.74, samples=61 iops : min= 56, max= 121, avg=82.51, stdev=13.40, samples=61 lat (msec) : 50=0.27%, 100=0.55%, 250=92.54%, 500=6.64% cpu : usr=0.21%, sys=1.24%, ctx=2954, 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=179295: Tue Jun 23 10:37:12 2026 write: IOPS=83, BW=333KiB/s (341kB/s)(10.0MiB/30744msec); 0 zone resets slat (usec): min=52, max=14065, avg=360.62, stdev=898.52 clat (msec): min=40, max=363, avg=191.05, stdev=40.60 lat (msec): min=41, max=364, avg=191.42, stdev=40.62 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 128], 10.00th=[ 142], 20.00th=[ 159], | 30.00th=[ 171], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 211], 80.00th=[ 222], 90.00th=[ 243], 95.00th=[ 257], | 99.00th=[ 296], 99.50th=[ 342], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 363] bw ( KiB/s): min= 192, max= 487, per=24.90%, avg=331.36, stdev=55.82, samples=61 iops : min= 48, max= 121, avg=82.46, stdev=13.92, samples=61 lat (msec) : 50=0.12%, 100=1.21%, 250=91.48%, 500=7.19% cpu : usr=0.19%, sys=1.33%, ctx=2579, 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=179296: Tue Jun 23 10:37:12 2026 write: IOPS=83, BW=333KiB/s (341kB/s)(10.0MiB/30767msec); 0 zone resets slat (usec): min=53, max=17637, avg=395.40, stdev=1065.37 clat (msec): min=19, max=370, avg=190.77, stdev=41.42 lat (msec): min=19, max=370, avg=191.17, stdev=41.44 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 125], 10.00th=[ 138], 20.00th=[ 159], | 30.00th=[ 171], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 211], 80.00th=[ 222], 90.00th=[ 239], 95.00th=[ 257], | 99.00th=[ 317], 99.50th=[ 347], 99.90th=[ 368], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 183, max= 560, per=24.88%, avg=331.21, stdev=60.42, samples=61 iops : min= 45, max= 140, avg=82.41, stdev=15.10, samples=61 lat (msec) : 20=0.04%, 50=0.08%, 100=0.70%, 250=93.12%, 500=6.05% cpu : usr=0.20%, sys=1.28%, ctx=2704, 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=1331KiB/s (1363kB/s), 333KiB/s-335KiB/s (341kB/s-343kB/s), io=40.0MiB (41.9MB), run=30546-30767msec 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=179311: Tue Jun 23 10:37:56 2026 read: IOPS=35, BW=143KiB/s (147kB/s)(5048KiB/35180msec) slat (usec): min=3138, max=54444, avg=15544.10, stdev=7844.48 clat (msec): min=94, max=365, avg=208.24, stdev=47.81 lat (msec): min=101, max=399, avg=223.80, stdev=49.26 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 134], 10.00th=[ 150], 20.00th=[ 169], | 30.00th=[ 182], 40.00th=[ 194], 50.00th=[ 205], 60.00th=[ 218], | 70.00th=[ 230], 80.00th=[ 245], 90.00th=[ 271], 95.00th=[ 296], | 99.00th=[ 338], 99.50th=[ 351], 99.90th=[ 363], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 71, max= 230, per=25.05%, avg=142.80, stdev=37.50, samples=69 iops : min= 17, max= 57, avg=35.17, stdev= 9.47, samples=69 write: IOPS=36, BW=148KiB/s (151kB/s)(5192KiB/35180msec); 0 zone resets slat (usec): min=60, max=18315, avg=430.16, stdev=1061.22 clat (msec): min=48, max=402, avg=212.62, stdev=45.61 lat (msec): min=48, max=402, avg=213.06, stdev=45.63 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 142], 10.00th=[ 157], 20.00th=[ 174], | 30.00th=[ 188], 40.00th=[ 201], 50.00th=[ 211], 60.00th=[ 222], | 70.00th=[ 234], 80.00th=[ 249], 90.00th=[ 271], 95.00th=[ 292], | 99.00th=[ 334], 99.50th=[ 376], 99.90th=[ 393], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 42, max= 240, per=24.85%, avg=147.38, stdev=36.73, samples=69 iops : min= 10, max= 60, avg=36.30, stdev= 9.25, samples=69 lat (msec) : 50=0.04%, 100=0.27%, 250=81.05%, 500=18.63% cpu : usr=0.28%, sys=2.03%, ctx=4517, 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=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=179312: Tue Jun 23 10:37:56 2026 read: IOPS=35, BW=142KiB/s (146kB/s)(4976KiB/35013msec) slat (usec): min=2963, max=52591, avg=15312.86, stdev=7593.71 clat (msec): min=94, max=437, avg=204.41, stdev=49.01 lat (msec): min=110, max=458, avg=219.74, stdev=50.66 clat percentiles (msec): | 1.00th=[ 111], 5.00th=[ 134], 10.00th=[ 146], 20.00th=[ 163], | 30.00th=[ 176], 40.00th=[ 188], 50.00th=[ 201], 60.00th=[ 211], | 70.00th=[ 224], 80.00th=[ 245], 90.00th=[ 271], 95.00th=[ 288], | 99.00th=[ 351], 99.50th=[ 368], 99.90th=[ 418], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 28, max= 231, per=24.91%, avg=142.01, stdev=42.93, samples=69 iops : min= 7, max= 57, avg=34.97, stdev=10.82, samples=69 write: IOPS=37, BW=150KiB/s (154kB/s)(5264KiB/35013msec); 0 zone resets slat (usec): min=60, max=16664, avg=437.92, stdev=1146.62 clat (msec): min=93, max=437, avg=213.97, stdev=46.49 lat (msec): min=94, max=437, avg=214.42, stdev=46.47 clat percentiles (msec): | 1.00th=[ 128], 5.00th=[ 146], 10.00th=[ 159], 20.00th=[ 176], | 30.00th=[ 188], 40.00th=[ 201], 50.00th=[ 211], 60.00th=[ 222], | 70.00th=[ 234], 80.00th=[ 251], 90.00th=[ 271], 95.00th=[ 292], | 99.00th=[ 359], 99.50th=[ 380], 99.90th=[ 405], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 78, max= 224, per=25.37%, avg=150.42, stdev=32.39, samples=69 iops : min= 19, max= 56, avg=37.07, stdev= 8.12, samples=69 lat (msec) : 100=0.08%, 250=80.86%, 500=19.06% cpu : usr=0.27%, sys=1.99%, ctx=4589, 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=179313: Tue Jun 23 10:37:56 2026 read: IOPS=35, BW=142KiB/s (145kB/s)(4984KiB/35084msec) slat (usec): min=3609, max=78291, avg=15766.89, stdev=8350.61 clat (msec): min=22, max=403, avg=205.58, stdev=49.14 lat (msec): min=51, max=410, avg=221.36, stdev=50.89 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 138], 10.00th=[ 150], 20.00th=[ 165], | 30.00th=[ 178], 40.00th=[ 190], 50.00th=[ 199], 60.00th=[ 211], | 70.00th=[ 226], 80.00th=[ 245], 90.00th=[ 271], 95.00th=[ 296], | 99.00th=[ 342], 99.50th=[ 363], 99.90th=[ 397], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 47, max= 231, per=24.97%, avg=142.33, stdev=37.80, samples=69 iops : min= 11, max= 57, avg=35.04, stdev= 9.52, samples=69 write: IOPS=37, BW=150KiB/s (153kB/s)(5256KiB/35084msec); 0 zone resets slat (usec): min=52, max=15616, avg=435.61, stdev=1059.44 clat (msec): min=107, max=421, avg=213.77, stdev=47.51 lat (msec): min=107, max=421, avg=214.21, stdev=47.52 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 144], 10.00th=[ 155], 20.00th=[ 174], | 30.00th=[ 188], 40.00th=[ 199], 50.00th=[ 211], 60.00th=[ 222], | 70.00th=[ 232], 80.00th=[ 249], 90.00th=[ 275], 95.00th=[ 305], | 99.00th=[ 363], 99.50th=[ 393], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 71, max= 238, per=25.19%, avg=149.38, stdev=38.27, samples=69 iops : min= 17, max= 59, avg=36.83, stdev= 9.63, samples=69 lat (msec) : 50=0.08%, 100=0.12%, 250=81.29%, 500=18.52% cpu : usr=0.25%, sys=1.93%, ctx=4450, 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=179314: Tue Jun 23 10:37:56 2026 read: IOPS=36, BW=146KiB/s (149kB/s)(5060KiB/34698msec) slat (usec): min=90, max=57017, avg=15448.49, stdev=8221.44 clat (msec): min=38, max=434, avg=204.10, stdev=50.09 lat (msec): min=40, max=464, avg=219.56, stdev=51.76 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 128], 10.00th=[ 144], 20.00th=[ 167], | 30.00th=[ 180], 40.00th=[ 190], 50.00th=[ 203], 60.00th=[ 213], | 70.00th=[ 226], 80.00th=[ 241], 90.00th=[ 268], 95.00th=[ 296], | 99.00th=[ 334], 99.50th=[ 355], 99.90th=[ 414], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 79, max= 247, per=25.58%, avg=145.78, stdev=33.72, samples=68 iops : min= 19, max= 61, avg=35.91, stdev= 8.49, samples=68 write: IOPS=37, BW=149KiB/s (153kB/s)(5180KiB/34698msec); 0 zone resets slat (usec): min=59, max=13909, avg=383.77, stdev=875.75 clat (msec): min=60, max=414, avg=213.26, stdev=46.21 lat (msec): min=60, max=414, avg=213.65, stdev=46.20 clat percentiles (msec): | 1.00th=[ 128], 5.00th=[ 142], 10.00th=[ 159], 20.00th=[ 178], | 30.00th=[ 188], 40.00th=[ 199], 50.00th=[ 209], 60.00th=[ 220], | 70.00th=[ 234], 80.00th=[ 249], 90.00th=[ 268], 95.00th=[ 296], | 99.00th=[ 355], 99.50th=[ 380], 99.90th=[ 405], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 78, max= 251, per=25.11%, avg=148.88, stdev=37.21, samples=68 iops : min= 19, max= 62, avg=36.69, stdev= 9.38, samples=68 lat (msec) : 50=0.16%, 100=0.47%, 250=81.76%, 500=17.62% cpu : usr=0.25%, sys=2.03%, ctx=4542, 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=570KiB/s (584kB/s), 142KiB/s-146KiB/s (145kB/s-149kB/s), io=19.6MiB (20.5MB), run=34698-35180msec WRITE: bw=594KiB/s (608kB/s), 148KiB/s-150KiB/s (151kB/s-154kB/s), io=20.4MiB (21.4MB), run=34698-35180msec 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=179324: Tue Jun 23 10:38:06 2026 read: IOPS=2, BW=80.0MiB/s (84.9MB/s)(40.0MiB/494msec) slat (nsec): min=38262k, max=38262k, avg=38261586.00, stdev= 0.00 clat (nsec): min=427037k, max=427037k, avg=427036560.00, stdev= 0.00 lat (nsec): min=465302k, max=465302k, avg=465302343.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 426], 5.00th=[ 426], 10.00th=[ 426], 20.00th=[ 426], | 30.00th=[ 426], 40.00th=[ 426], 50.00th=[ 426], 60.00th=[ 426], | 70.00th=[ 426], 80.00th=[ 426], 90.00th=[ 426], 95.00th=[ 426], | 99.00th=[ 426], 99.50th=[ 426], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 426] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=1.42%, ctx=8, 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=80.0MiB/s (84.9MB/s), 80.0MiB/s-80.0MiB/s (84.9MB/s-84.9MB/s), io=40.0MiB (41.9MB), run=494-494msec 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