== sanity test 398c: run fio to test AIO ================= 10:19:28 (1781619568) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.288333 s, 145 MB/s osc.lustre-OST0000-osc-ffff9fce6038c800.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=152394: Tue Jun 16 10:21:00 2026 write: IOPS=29, BW=118KiB/s (121kB/s)(10.0MiB/86712msec); 0 zone resets slat (usec): min=40, max=12600, avg=329.67, stdev=632.15 clat (msec): min=124, max=895, avg=541.40, stdev=135.06 lat (msec): min=124, max=895, avg=541.73, stdev=135.09 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 326], 10.00th=[ 384], 20.00th=[ 443], | 30.00th=[ 477], 40.00th=[ 506], 50.00th=[ 542], 60.00th=[ 567], | 70.00th=[ 600], 80.00th=[ 642], 90.00th=[ 735], 95.00th=[ 785], | 99.00th=[ 860], 99.50th=[ 877], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 32, max= 312, per=24.87%, avg=117.41, stdev=33.81, samples=172 iops : min= 8, max= 78, avg=28.97, stdev= 8.48, samples=172 lat (msec) : 250=2.58%, 500=35.70%, 750=54.02%, 1000=7.70% cpu : usr=0.08%, sys=0.49%, ctx=2949, 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=152395: Tue Jun 16 10:21:00 2026 write: IOPS=29, BW=118KiB/s (121kB/s)(10.0MiB/86770msec); 0 zone resets slat (usec): min=50, max=7786, avg=318.56, stdev=494.13 clat (msec): min=169, max=890, avg=541.58, stdev=129.16 lat (msec): min=170, max=890, avg=541.90, stdev=129.16 clat percentiles (msec): | 1.00th=[ 203], 5.00th=[ 334], 10.00th=[ 384], 20.00th=[ 443], | 30.00th=[ 477], 40.00th=[ 506], 50.00th=[ 542], 60.00th=[ 567], | 70.00th=[ 600], 80.00th=[ 642], 90.00th=[ 709], 95.00th=[ 776], | 99.00th=[ 852], 99.50th=[ 860], 99.90th=[ 885], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 39, max= 255, per=24.84%, avg=117.26, stdev=32.12, samples=172 iops : min= 9, max= 63, avg=28.93, stdev= 8.05, samples=172 lat (msec) : 250=1.88%, 500=36.05%, 750=55.12%, 1000=6.95% cpu : usr=0.08%, sys=0.51%, ctx=3007, 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=152396: Tue Jun 16 10:21:00 2026 write: IOPS=29, BW=118KiB/s (121kB/s)(10.0MiB/86743msec); 0 zone resets slat (usec): min=41, max=13547, avg=317.00, stdev=548.39 clat (msec): min=107, max=937, avg=541.39, stdev=134.34 lat (msec): min=107, max=937, avg=541.71, stdev=134.34 clat percentiles (msec): | 1.00th=[ 199], 5.00th=[ 330], 10.00th=[ 384], 20.00th=[ 447], | 30.00th=[ 481], 40.00th=[ 510], 50.00th=[ 542], 60.00th=[ 567], | 70.00th=[ 600], 80.00th=[ 642], 90.00th=[ 718], 95.00th=[ 776], | 99.00th=[ 869], 99.50th=[ 885], 99.90th=[ 911], 99.95th=[ 919], | 99.99th=[ 936] bw ( KiB/s): min= 23, max= 312, per=24.88%, avg=117.41, stdev=33.03, samples=172 iops : min= 5, max= 78, avg=28.97, stdev= 8.31, samples=172 lat (msec) : 250=3.75%, 500=32.97%, 750=56.02%, 1000=7.27% cpu : usr=0.07%, sys=0.52%, ctx=3043, 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=152397: Tue Jun 16 10:21:00 2026 write: IOPS=29, BW=118KiB/s (121kB/s)(10.0MiB/86657msec); 0 zone resets slat (usec): min=37, max=13857, avg=298.11, stdev=511.75 clat (msec): min=61, max=923, avg=540.82, stdev=132.20 lat (msec): min=62, max=923, avg=541.12, stdev=132.21 clat percentiles (msec): | 1.00th=[ 205], 5.00th=[ 334], 10.00th=[ 388], 20.00th=[ 443], | 30.00th=[ 477], 40.00th=[ 510], 50.00th=[ 542], 60.00th=[ 567], | 70.00th=[ 600], 80.00th=[ 642], 90.00th=[ 709], 95.00th=[ 785], | 99.00th=[ 860], 99.50th=[ 877], 99.90th=[ 902], 99.95th=[ 902], | 99.99th=[ 927] bw ( KiB/s): min= 23, max= 255, per=24.89%, avg=117.49, stdev=33.82, samples=172 iops : min= 5, max= 63, avg=28.99, stdev= 8.46, samples=172 lat (msec) : 100=0.12%, 250=2.46%, 500=34.02%, 750=56.09%, 1000=7.30% cpu : usr=0.06%, sys=0.51%, ctx=2687, 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=472KiB/s (483kB/s), 118KiB/s-118KiB/s (121kB/s-121kB/s), io=40.0MiB (41.9MB), run=86657-86770msec 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=152419: Tue Jun 16 10:22:03 2026 read: IOPS=21, BW=87.1KiB/s (89.2kB/s)(5048KiB/57926msec) slat (usec): min=1619, max=27483, avg=7466.45, stdev=3174.11 clat (msec): min=8, max=678, avg=225.15, stdev=57.52 lat (msec): min=15, max=689, avg=232.62, stdev=58.34 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 148], 10.00th=[ 165], 20.00th=[ 184], | 30.00th=[ 199], 40.00th=[ 211], 50.00th=[ 222], 60.00th=[ 236], | 70.00th=[ 249], 80.00th=[ 268], 90.00th=[ 292], 95.00th=[ 309], | 99.00th=[ 347], 99.50th=[ 363], 99.90th=[ 667], 99.95th=[ 676], | 99.99th=[ 676] bw ( KiB/s): min= 16, max= 176, per=25.16%, avg=86.80, stdev=32.60, samples=115 iops : min= 4, max= 44, avg=21.36, stdev= 8.14, samples=115 write: IOPS=22, BW=89.6KiB/s (91.8kB/s)(5192KiB/57926msec); 0 zone resets slat (usec): min=56, max=4747, avg=366.41, stdev=473.56 clat (msec): min=199, max=1258, avg=486.06, stdev=145.38 lat (msec): min=199, max=1258, avg=486.42, stdev=145.43 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 279], 10.00th=[ 313], 20.00th=[ 359], | 30.00th=[ 397], 40.00th=[ 435], 50.00th=[ 472], 60.00th=[ 502], | 70.00th=[ 550], 80.00th=[ 617], 90.00th=[ 684], 95.00th=[ 743], | 99.00th=[ 844], 99.50th=[ 902], 99.90th=[ 1250], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 24, max= 176, per=24.80%, avg=89.02, stdev=26.51, samples=115 iops : min= 6, max= 44, avg=21.91, stdev= 6.65, samples=115 lat (msec) : 10=0.04%, 20=0.20%, 50=0.35%, 100=0.20%, 250=35.12% lat (msec) : 500=43.32%, 750=18.67%, 1000=1.95%, 2000=0.16% cpu : usr=0.15%, sys=1.15%, ctx=5283, 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=152420: Tue Jun 16 10:22:03 2026 read: IOPS=21, BW=85.6KiB/s (87.6kB/s)(4976KiB/58152msec) slat (usec): min=2372, max=22758, avg=7408.09, stdev=3110.25 clat (msec): min=6, max=546, avg=224.19, stdev=54.63 lat (msec): min=12, max=556, avg=231.61, stdev=55.32 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 148], 10.00th=[ 163], 20.00th=[ 182], | 30.00th=[ 197], 40.00th=[ 211], 50.00th=[ 224], 60.00th=[ 236], | 70.00th=[ 249], 80.00th=[ 268], 90.00th=[ 296], 95.00th=[ 309], | 99.00th=[ 355], 99.50th=[ 363], 99.90th=[ 447], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 7, max= 176, per=24.72%, avg=85.30, stdev=31.62, samples=115 iops : min= 1, max= 44, avg=20.97, stdev= 7.95, samples=115 write: IOPS=22, BW=90.5KiB/s (92.7kB/s)(5264KiB/58152msec); 0 zone resets slat (usec): min=44, max=4798, avg=357.18, stdev=457.75 clat (msec): min=168, max=938, avg=486.51, stdev=142.42 lat (msec): min=168, max=938, avg=486.86, stdev=142.44 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 279], 10.00th=[ 309], 20.00th=[ 359], | 30.00th=[ 401], 40.00th=[ 435], 50.00th=[ 468], 60.00th=[ 502], | 70.00th=[ 558], 80.00th=[ 625], 90.00th=[ 693], 95.00th=[ 743], | 99.00th=[ 827], 99.50th=[ 852], 99.90th=[ 936], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 23, max= 160, per=25.11%, avg=90.14, stdev=28.75, samples=115 iops : min= 5, max= 40, avg=22.19, stdev= 7.19, samples=115 lat (msec) : 10=0.08%, 20=0.12%, 50=0.27%, 100=0.16%, 250=34.69% lat (msec) : 500=43.52%, 750=18.79%, 1000=2.38% cpu : usr=0.13%, sys=1.12%, ctx=5183, 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=152421: Tue Jun 16 10:22:03 2026 read: IOPS=21, BW=85.7KiB/s (87.8kB/s)(4984KiB/58150msec) slat (usec): min=2327, max=23964, avg=7431.95, stdev=3056.11 clat (msec): min=14, max=419, avg=226.98, stdev=51.81 lat (msec): min=18, max=426, avg=234.42, stdev=52.61 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 155], 10.00th=[ 167], 20.00th=[ 188], | 30.00th=[ 201], 40.00th=[ 213], 50.00th=[ 226], 60.00th=[ 239], | 70.00th=[ 253], 80.00th=[ 268], 90.00th=[ 292], 95.00th=[ 313], | 99.00th=[ 347], 99.50th=[ 363], 99.90th=[ 414], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 23, max= 176, per=24.82%, avg=85.63, stdev=32.31, samples=115 iops : min= 5, max= 44, avg=21.06, stdev= 8.07, samples=115 write: IOPS=22, BW=90.4KiB/s (92.6kB/s)(5256KiB/58150msec); 0 zone resets slat (usec): min=55, max=5741, avg=331.32, stdev=428.92 clat (msec): min=205, max=937, avg=484.02, stdev=140.81 lat (msec): min=206, max=937, avg=484.36, stdev=140.84 clat percentiles (msec): | 1.00th=[ 226], 5.00th=[ 271], 10.00th=[ 309], 20.00th=[ 359], | 30.00th=[ 401], 40.00th=[ 435], 50.00th=[ 472], 60.00th=[ 506], | 70.00th=[ 550], 80.00th=[ 609], 90.00th=[ 684], 95.00th=[ 743], | 99.00th=[ 835], 99.50th=[ 877], 99.90th=[ 936], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 32, max= 160, per=24.91%, avg=89.42, stdev=25.36, samples=115 iops : min= 8, max= 40, avg=22.01, stdev= 6.34, samples=115 lat (msec) : 20=0.16%, 50=0.27%, 100=0.23%, 250=33.48%, 500=44.69% lat (msec) : 750=18.87%, 1000=2.30% cpu : usr=0.14%, sys=1.11%, ctx=5082, 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=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=152422: Tue Jun 16 10:22:03 2026 read: IOPS=21, BW=87.7KiB/s (89.8kB/s)(5060KiB/57699msec) slat (usec): min=89, max=28486, avg=7329.75, stdev=3109.42 clat (msec): min=10, max=716, avg=226.05, stdev=58.42 lat (msec): min=10, max=732, avg=233.39, stdev=59.17 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 148], 10.00th=[ 165], 20.00th=[ 184], | 30.00th=[ 199], 40.00th=[ 213], 50.00th=[ 224], 60.00th=[ 239], | 70.00th=[ 251], 80.00th=[ 271], 90.00th=[ 296], 95.00th=[ 313], | 99.00th=[ 359], 99.50th=[ 368], 99.90th=[ 709], 99.95th=[ 718], | 99.99th=[ 718] bw ( KiB/s): min= 23, max= 160, per=25.46%, avg=87.84, stdev=31.20, samples=114 iops : min= 5, max= 40, avg=21.61, stdev= 7.81, samples=114 write: IOPS=22, BW=89.8KiB/s (91.9kB/s)(5180KiB/57699msec); 0 zone resets slat (usec): min=54, max=6139, avg=341.15, stdev=421.66 clat (msec): min=83, max=1438, avg=483.81, stdev=155.01 lat (msec): min=83, max=1438, avg=484.15, stdev=155.01 clat percentiles (msec): | 1.00th=[ 220], 5.00th=[ 284], 10.00th=[ 309], 20.00th=[ 351], | 30.00th=[ 397], 40.00th=[ 439], 50.00th=[ 472], 60.00th=[ 502], | 70.00th=[ 542], 80.00th=[ 609], 90.00th=[ 693], 95.00th=[ 743], | 99.00th=[ 835], 99.50th=[ 1284], 99.90th=[ 1435], 99.95th=[ 1435], | 99.99th=[ 1435] bw ( KiB/s): min= 32, max= 184, per=24.88%, avg=89.31, stdev=28.22, samples=114 iops : min= 8, max= 46, avg=21.98, stdev= 7.06, samples=114 lat (msec) : 20=0.23%, 50=0.39%, 100=0.27%, 250=34.45%, 500=44.38% lat (msec) : 750=18.09%, 1000=1.88%, 2000=0.31% cpu : usr=0.13%, sys=1.14%, ctx=5222, 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=345KiB/s (353kB/s), 85.6KiB/s-87.7KiB/s (87.6kB/s-89.8kB/s), io=19.6MiB (20.5MB), run=57699-58152msec WRITE: bw=359KiB/s (368kB/s), 89.6KiB/s-90.5KiB/s (91.8kB/s-92.7kB/s), io=20.4MiB (21.4MB), run=57699-58152msec 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=152434: Tue Jun 16 10:22:09 2026 read: IOPS=3, BW=122MiB/s (127MB/s)(40.0MiB/329msec) slat (nsec): min=19847k, max=19847k, avg=19847488.00, stdev= 0.00 clat (nsec): min=292894k, max=292894k, avg=292893747.00, stdev= 0.00 lat (nsec): min=312769k, max=312769k, avg=312769260.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 292], 10.00th=[ 292], 20.00th=[ 292], | 30.00th=[ 292], 40.00th=[ 292], 50.00th=[ 292], 60.00th=[ 292], | 70.00th=[ 292], 80.00th=[ 292], 90.00th=[ 292], 95.00th=[ 292], | 99.00th=[ 292], 99.50th=[ 292], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=3.66%, 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=122MiB/s (127MB/s), 122MiB/s-122MiB/s (127MB/s-127MB/s), io=40.0MiB (41.9MB), run=329-329msec 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