== sanity test 398c: run fio to test AIO ================= 17:37:03 (1781213823) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.264504 s, 159 MB/s osc.lustre-OST0000-osc-ffff9ebdeab19800.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=188659: Thu Jun 11 17:37:21 2026 write: IOPS=193, BW=773KiB/s (791kB/s)(10.0MiB/13255msec); 0 zone resets slat (usec): min=41, max=4860, avg=216.77, stdev=300.34 clat (msec): min=34, max=122, avg=82.31, stdev=13.87 lat (msec): min=34, max=122, avg=82.53, stdev=13.85 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 60], 10.00th=[ 65], 20.00th=[ 70], | 30.00th=[ 75], 40.00th=[ 79], 50.00th=[ 83], 60.00th=[ 87], | 70.00th=[ 90], 80.00th=[ 95], 90.00th=[ 102], 95.00th=[ 106], | 99.00th=[ 111], 99.50th=[ 116], 99.90th=[ 123], 99.95th=[ 123], | 99.99th=[ 123] bw ( KiB/s): min= 568, max= 920, per=24.85%, avg=768.00, stdev=89.18, samples=26 iops : min= 142, max= 230, avg=191.88, stdev=22.31, samples=26 lat (msec) : 50=0.31%, 100=89.06%, 250=10.62% cpu : usr=0.27%, sys=2.39%, ctx=2796, 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=188660: Thu Jun 11 17:37:21 2026 write: IOPS=193, BW=774KiB/s (793kB/s)(10.0MiB/13222msec); 0 zone resets slat (usec): min=37, max=10349, avg=215.78, stdev=324.43 clat (msec): min=6, max=139, avg=82.17, stdev=14.87 lat (msec): min=7, max=140, avg=82.38, stdev=14.88 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 60], 10.00th=[ 65], 20.00th=[ 70], | 30.00th=[ 74], 40.00th=[ 79], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 95], 90.00th=[ 102], 95.00th=[ 107], | 99.00th=[ 117], 99.50th=[ 121], 99.90th=[ 123], 99.95th=[ 140], | 99.99th=[ 140] bw ( KiB/s): min= 624, max= 948, per=24.99%, avg=772.31, stdev=94.13, samples=26 iops : min= 156, max= 237, avg=192.96, stdev=23.55, samples=26 lat (msec) : 10=0.08%, 20=0.04%, 50=0.98%, 100=87.42%, 250=11.48% cpu : usr=0.33%, sys=2.38%, ctx=2909, 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=188661: Thu Jun 11 17:37:21 2026 write: IOPS=194, BW=778KiB/s (797kB/s)(10.0MiB/13161msec); 0 zone resets slat (usec): min=41, max=3962, avg=219.51, stdev=261.54 clat (msec): min=7, max=121, avg=81.94, stdev=14.83 lat (msec): min=7, max=121, avg=82.16, stdev=14.83 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 59], 10.00th=[ 65], 20.00th=[ 70], | 30.00th=[ 74], 40.00th=[ 79], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 95], 90.00th=[ 102], 95.00th=[ 106], | 99.00th=[ 115], 99.50th=[ 120], 99.90th=[ 122], 99.95th=[ 122], | 99.99th=[ 123] bw ( KiB/s): min= 608, max= 980, per=25.05%, avg=774.15, stdev=94.41, samples=26 iops : min= 152, max= 245, avg=193.42, stdev=23.64, samples=26 lat (msec) : 10=0.04%, 20=0.20%, 50=1.02%, 100=87.50%, 250=11.25% cpu : usr=0.33%, sys=2.49%, ctx=2888, 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=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=188662: Thu Jun 11 17:37:21 2026 write: IOPS=193, BW=773KiB/s (791kB/s)(10.0MiB/13251msec); 0 zone resets slat (usec): min=38, max=4213, avg=216.55, stdev=264.49 clat (msec): min=10, max=122, avg=82.30, stdev=13.96 lat (msec): min=11, max=123, avg=82.52, stdev=13.96 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 61], 10.00th=[ 65], 20.00th=[ 70], | 30.00th=[ 75], 40.00th=[ 79], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 95], 90.00th=[ 101], 95.00th=[ 107], | 99.00th=[ 114], 99.50th=[ 117], 99.90th=[ 122], 99.95th=[ 122], | 99.99th=[ 124] bw ( KiB/s): min= 576, max= 920, per=24.91%, avg=769.85, stdev=88.31, samples=26 iops : min= 144, max= 230, avg=192.35, stdev=22.11, samples=26 lat (msec) : 20=0.04%, 50=0.51%, 100=87.62%, 250=11.84% cpu : usr=0.25%, sys=2.45%, ctx=2826, 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=3090KiB/s (3164kB/s), 773KiB/s-778KiB/s (791kB/s-797kB/s), io=40.0MiB (41.9MB), run=13161-13255msec 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=188673: Thu Jun 11 17:37:37 2026 read: IOPS=102, BW=409KiB/s (418kB/s)(5048KiB/12357msec) slat (usec): min=1630, max=28933, avg=4982.69, stdev=2023.42 clat (msec): min=4, max=133, avg=72.61, stdev=13.58 lat (msec): min=8, max=140, avg=77.59, stdev=13.91 clat percentiles (msec): | 1.00th=[ 44], 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=[ 84], 90.00th=[ 90], 95.00th=[ 95], | 99.00th=[ 108], 99.50th=[ 114], 99.90th=[ 133], 99.95th=[ 133], | 99.99th=[ 133] bw ( KiB/s): min= 267, max= 512, per=24.99%, avg=405.83, stdev=58.11, samples=24 iops : min= 66, max= 128, avg=101.17, stdev=14.54, samples=24 write: IOPS=105, BW=420KiB/s (430kB/s)(5192KiB/12357msec); 0 zone resets slat (usec): min=44, max=4712, avg=231.26, stdev=281.27 clat (msec): min=8, max=127, avg=75.63, stdev=13.31 lat (msec): min=8, max=127, avg=75.87, stdev=13.31 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 57], 10.00th=[ 61], 20.00th=[ 66], | 30.00th=[ 69], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 79], | 70.00th=[ 82], 80.00th=[ 86], 90.00th=[ 92], 95.00th=[ 101], | 99.00th=[ 116], 99.50th=[ 120], 99.90th=[ 125], 99.95th=[ 128], | 99.99th=[ 128] bw ( KiB/s): min= 326, max= 536, per=24.83%, avg=419.67, stdev=46.93, samples=24 iops : min= 81, max= 134, avg=104.62, stdev=11.77, samples=24 lat (msec) : 10=0.12%, 20=0.12%, 50=1.95%, 100=94.06%, 250=3.75% cpu : usr=0.27%, sys=3.63%, ctx=4694, 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=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=188674: Thu Jun 11 17:37:37 2026 read: IOPS=100, BW=403KiB/s (413kB/s)(4976KiB/12352msec) slat (usec): min=1580, max=17216, avg=4933.06, stdev=1909.17 clat (msec): min=35, max=132, avg=73.16, stdev=13.91 lat (msec): min=41, max=137, avg=78.10, stdev=14.28 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 53], 10.00th=[ 57], 20.00th=[ 62], | 30.00th=[ 66], 40.00th=[ 69], 50.00th=[ 72], 60.00th=[ 77], | 70.00th=[ 81], 80.00th=[ 85], 90.00th=[ 91], 95.00th=[ 99], | 99.00th=[ 111], 99.50th=[ 115], 99.90th=[ 123], 99.95th=[ 132], | 99.99th=[ 132] bw ( KiB/s): min= 304, max= 533, per=24.78%, avg=402.38, stdev=53.15, samples=24 iops : min= 76, max= 133, avg=100.33, stdev=13.25, samples=24 write: IOPS=106, BW=426KiB/s (436kB/s)(5264KiB/12352msec); 0 zone resets slat (usec): min=43, max=3803, avg=234.82, stdev=303.62 clat (msec): min=35, max=133, avg=75.39, stdev=12.78 lat (msec): min=35, max=133, avg=75.63, stdev=12.78 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 56], 10.00th=[ 61], 20.00th=[ 65], | 30.00th=[ 69], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 79], | 70.00th=[ 82], 80.00th=[ 86], 90.00th=[ 90], 95.00th=[ 96], | 99.00th=[ 113], 99.50th=[ 123], 99.90th=[ 126], 99.95th=[ 134], | 99.99th=[ 134] bw ( KiB/s): min= 327, max= 566, per=25.27%, avg=427.12, stdev=61.67, samples=24 iops : min= 81, max= 141, avg=106.50, stdev=15.37, samples=24 lat (msec) : 50=2.34%, 100=93.67%, 250=3.98% cpu : usr=0.40%, sys=3.40%, ctx=4624, 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=188675: Thu Jun 11 17:37:37 2026 read: IOPS=101, BW=405KiB/s (415kB/s)(4984KiB/12303msec) slat (usec): min=1643, max=13999, avg=5003.27, stdev=1937.18 clat (msec): min=5, max=136, avg=72.82, stdev=13.60 lat (msec): min=11, max=140, avg=77.82, stdev=13.94 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 52], 10.00th=[ 57], 20.00th=[ 63], | 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=[ 109], 99.50th=[ 114], 99.90th=[ 132], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 287, max= 504, per=25.04%, avg=406.67, stdev=63.84, samples=24 iops : min= 71, max= 126, avg=101.38, stdev=16.02, samples=24 write: IOPS=106, BW=427KiB/s (437kB/s)(5256KiB/12303msec); 0 zone resets slat (usec): min=42, max=3242, avg=222.40, stdev=261.74 clat (msec): min=39, max=131, avg=75.00, stdev=12.54 lat (msec): min=39, max=131, avg=75.22, stdev=12.55 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 56], 10.00th=[ 61], 20.00th=[ 65], | 30.00th=[ 68], 40.00th=[ 72], 50.00th=[ 74], 60.00th=[ 78], | 70.00th=[ 82], 80.00th=[ 86], 90.00th=[ 91], 95.00th=[ 96], | 99.00th=[ 113], 99.50th=[ 121], 99.90th=[ 128], 99.95th=[ 132], | 99.99th=[ 132] bw ( KiB/s): min= 304, max= 574, per=25.24%, avg=426.62, stdev=62.95, samples=24 iops : min= 76, max= 143, avg=106.38, stdev=15.73, samples=24 lat (msec) : 10=0.04%, 50=2.50%, 100=94.49%, 250=2.97% cpu : usr=0.37%, sys=3.42%, ctx=4707, 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=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=188676: Thu Jun 11 17:37:37 2026 read: IOPS=102, BW=411KiB/s (420kB/s)(5060KiB/12324msec) slat (usec): min=75, max=16600, avg=4948.58, stdev=1953.13 clat (msec): min=9, max=132, avg=73.14, stdev=14.12 lat (msec): min=9, max=137, avg=78.09, stdev=14.47 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 53], 10.00th=[ 57], 20.00th=[ 63], | 30.00th=[ 66], 40.00th=[ 69], 50.00th=[ 72], 60.00th=[ 77], | 70.00th=[ 81], 80.00th=[ 85], 90.00th=[ 92], 95.00th=[ 96], | 99.00th=[ 108], 99.50th=[ 120], 99.90th=[ 128], 99.95th=[ 132], | 99.99th=[ 132] bw ( KiB/s): min= 335, max= 502, per=25.29%, avg=410.71, stdev=54.91, samples=24 iops : min= 83, max= 125, avg=102.42, stdev=13.75, samples=24 write: IOPS=105, BW=420KiB/s (430kB/s)(5180KiB/12324msec); 0 zone resets slat (usec): min=50, max=4804, avg=218.74, stdev=302.27 clat (msec): min=20, max=129, avg=75.50, stdev=12.90 lat (msec): min=22, max=129, avg=75.72, stdev=12.89 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 57], 10.00th=[ 61], 20.00th=[ 66], | 30.00th=[ 69], 40.00th=[ 71], 50.00th=[ 74], 60.00th=[ 78], | 70.00th=[ 82], 80.00th=[ 86], 90.00th=[ 92], 95.00th=[ 99], | 99.00th=[ 114], 99.50th=[ 121], 99.90th=[ 125], 99.95th=[ 130], | 99.99th=[ 130] bw ( KiB/s): min= 344, max= 520, per=24.84%, avg=419.83, stdev=48.79, samples=24 iops : min= 86, max= 130, avg=104.67, stdev=12.20, samples=24 lat (msec) : 10=0.04%, 20=0.12%, 50=2.15%, 100=94.02%, 250=3.67% cpu : usr=0.33%, sys=3.47%, ctx=4675, 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=1624KiB/s (1663kB/s), 403KiB/s-411KiB/s (413kB/s-420kB/s), io=19.6MiB (20.5MB), run=12303-12357msec WRITE: bw=1691KiB/s (1731kB/s), 420KiB/s-427KiB/s (430kB/s-437kB/s), io=20.4MiB (21.4MB), run=12303-12357msec 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=188683: Thu Jun 11 17:37:41 2026 read: IOPS=4, BW=192MiB/s (202MB/s)(40.0MiB/208msec) slat (nsec): min=12932k, max=12932k, avg=12931639.00, stdev= 0.00 clat (nsec): min=183442k, max=183442k, avg=183441929.00, stdev= 0.00 lat (nsec): min=196377k, max=196377k, avg=196377098.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 184], 5.00th=[ 184], 10.00th=[ 184], 20.00th=[ 184], | 30.00th=[ 184], 40.00th=[ 184], 50.00th=[ 184], 60.00th=[ 184], | 70.00th=[ 184], 80.00th=[ 184], 90.00th=[ 184], 95.00th=[ 184], | 99.00th=[ 184], 99.50th=[ 184], 99.90th=[ 184], 99.95th=[ 184], | 99.99th=[ 184] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=5.80%, ctx=4, majf=0, minf=7 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=192MiB/s (202MB/s), 192MiB/s-192MiB/s (202MB/s-202MB/s), io=40.0MiB (41.9MB), run=208-208msec 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