== sanity test 398c: run fio to test AIO ================= 04:54:54 (1761123294) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.266889 s, 157 MB/s osc.lustre-OST0000-osc-ffff9261c7f91800.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=122930: Wed Oct 22 04:56:44 2025 write: IOPS=24, BW=98.3KiB/s (101kB/s)(10.0MiB/104179msec); 0 zone resets slat (usec): min=21, max=7822, avg=206.08, stdev=419.88 clat (msec): min=40, max=1247, avg=650.52, stdev=157.03 lat (msec): min=40, max=1248, avg=650.73, stdev=157.05 clat percentiles (msec): | 1.00th=[ 264], 5.00th=[ 409], 10.00th=[ 464], 20.00th=[ 527], | 30.00th=[ 567], 40.00th=[ 600], 50.00th=[ 642], 60.00th=[ 684], | 70.00th=[ 726], 80.00th=[ 785], 90.00th=[ 852], 95.00th=[ 902], | 99.00th=[ 1020], 99.50th=[ 1083], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 23, max= 200, per=24.91%, avg=97.66, stdev=28.26, samples=207 iops : min= 5, max= 50, avg=24.01, stdev= 7.08, samples=207 lat (msec) : 50=0.04%, 100=0.08%, 250=0.66%, 500=14.49%, 750=58.67% lat (msec) : 1000=24.49%, 2000=1.56% cpu : usr=0.08%, sys=0.37%, ctx=1810, 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=122931: Wed Oct 22 04:56:44 2025 write: IOPS=24, BW=98.1KiB/s (101kB/s)(10.0MiB/104334msec); 0 zone resets slat (usec): min=21, max=6931, avg=185.42, stdev=360.06 clat (msec): min=280, max=1218, avg=651.56, stdev=151.33 lat (msec): min=280, max=1218, avg=651.74, stdev=151.36 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 414], 10.00th=[ 468], 20.00th=[ 523], | 30.00th=[ 567], 40.00th=[ 609], 50.00th=[ 642], 60.00th=[ 684], | 70.00th=[ 726], 80.00th=[ 785], 90.00th=[ 852], 95.00th=[ 902], | 99.00th=[ 1036], 99.50th=[ 1053], 99.90th=[ 1116], 99.95th=[ 1133], | 99.99th=[ 1217] bw ( KiB/s): min= 15, max= 256, per=25.13%, avg=98.52, stdev=32.05, samples=205 iops : min= 3, max= 64, avg=24.23, stdev= 8.06, samples=205 lat (msec) : 500=15.86%, 750=58.63%, 1000=24.02%, 2000=1.48% cpu : usr=0.08%, sys=0.35%, ctx=1682, 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=122932: Wed Oct 22 04:56:44 2025 write: IOPS=24, BW=98.2KiB/s (101kB/s)(10.0MiB/104287msec); 0 zone resets slat (usec): min=21, max=9146, avg=191.55, stdev=373.48 clat (msec): min=246, max=1219, avg=651.26, stdev=149.70 lat (msec): min=246, max=1219, avg=651.45, stdev=149.72 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 414], 10.00th=[ 472], 20.00th=[ 527], | 30.00th=[ 567], 40.00th=[ 600], 50.00th=[ 642], 60.00th=[ 693], | 70.00th=[ 735], 80.00th=[ 776], 90.00th=[ 844], 95.00th=[ 885], | 99.00th=[ 1020], 99.50th=[ 1099], 99.90th=[ 1150], 99.95th=[ 1150], | 99.99th=[ 1217] bw ( KiB/s): min= 16, max= 256, per=24.99%, avg=97.95, stdev=30.55, samples=206 iops : min= 4, max= 64, avg=24.09, stdev= 7.66, samples=206 lat (msec) : 250=0.04%, 500=14.77%, 750=59.57%, 1000=24.30%, 2000=1.33% cpu : usr=0.06%, sys=0.38%, ctx=1630, majf=0, minf=8 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=122933: Wed Oct 22 04:56:44 2025 write: IOPS=24, BW=98.4KiB/s (101kB/s)(10.0MiB/104040msec); 0 zone resets slat (usec): min=20, max=5833, avg=190.14, stdev=332.29 clat (msec): min=42, max=1399, avg=649.73, stdev=158.62 lat (msec): min=44, max=1399, avg=649.92, stdev=158.64 clat percentiles (msec): | 1.00th=[ 268], 5.00th=[ 397], 10.00th=[ 451], 20.00th=[ 527], | 30.00th=[ 567], 40.00th=[ 609], 50.00th=[ 651], 60.00th=[ 693], | 70.00th=[ 735], 80.00th=[ 785], 90.00th=[ 844], 95.00th=[ 894], | 99.00th=[ 1083], 99.50th=[ 1133], 99.90th=[ 1217], 99.95th=[ 1368], | 99.99th=[ 1401] bw ( KiB/s): min= 7, max= 248, per=25.27%, avg=99.07, stdev=30.58, samples=204 iops : min= 1, max= 62, avg=24.37, stdev= 7.64, samples=204 lat (msec) : 50=0.04%, 100=0.04%, 250=0.66%, 500=13.75%, 750=58.87% lat (msec) : 1000=25.08%, 2000=1.56% cpu : usr=0.05%, sys=0.38%, ctx=1680, 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=393KiB/s (402kB/s), 98.1KiB/s-98.4KiB/s (101kB/s-101kB/s), io=40.0MiB (41.9MB), run=104040-104334msec 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=122957: Wed Oct 22 04:57:50 2025 read: IOPS=20, BW=82.8KiB/s (84.7kB/s)(5048KiB/61003msec) slat (usec): min=1318, max=26243, avg=5953.29, stdev=2967.78 clat (msec): min=8, max=520, avg=255.47, stdev=66.94 lat (msec): min=14, max=533, avg=261.43, stdev=67.61 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 161], 10.00th=[ 178], 20.00th=[ 203], | 30.00th=[ 222], 40.00th=[ 236], 50.00th=[ 249], 60.00th=[ 264], | 70.00th=[ 284], 80.00th=[ 309], 90.00th=[ 338], 95.00th=[ 363], | 99.00th=[ 464], 99.50th=[ 485], 99.90th=[ 518], 99.95th=[ 523], | 99.99th=[ 523] bw ( KiB/s): min= 16, max= 168, per=25.09%, avg=82.29, stdev=29.43, samples=121 iops : min= 4, max= 42, avg=20.12, stdev= 7.43, samples=121 write: IOPS=21, BW=85.1KiB/s (87.2kB/s)(5192KiB/61003msec); 0 zone resets slat (usec): min=22, max=4255, avg=208.94, stdev=339.74 clat (msec): min=200, max=995, avg=496.50, stdev=134.73 lat (msec): min=200, max=996, avg=496.71, stdev=134.77 clat percentiles (msec): | 1.00th=[ 249], 5.00th=[ 300], 10.00th=[ 338], 20.00th=[ 376], | 30.00th=[ 409], 40.00th=[ 451], 50.00th=[ 485], 60.00th=[ 523], | 70.00th=[ 567], 80.00th=[ 609], 90.00th=[ 667], 95.00th=[ 743], | 99.00th=[ 852], 99.50th=[ 869], 99.90th=[ 961], 99.95th=[ 995], | 99.99th=[ 995] bw ( KiB/s): min= 31, max= 152, per=24.69%, avg=84.45, stdev=22.90, samples=121 iops : min= 7, max= 38, avg=20.65, stdev= 5.80, samples=121 lat (msec) : 10=0.04%, 20=0.08%, 50=0.08%, 100=0.16%, 250=25.43% lat (msec) : 500=51.56%, 750=20.20%, 1000=2.46% cpu : usr=0.15%, sys=1.01%, ctx=2914, 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=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=122958: Wed Oct 22 04:57:50 2025 read: IOPS=20, BW=81.6KiB/s (83.6kB/s)(4976KiB/60963msec) slat (usec): min=1387, max=20800, avg=5845.12, stdev=2817.48 clat (msec): min=4, max=600, avg=253.78, stdev=70.80 lat (msec): min=7, max=603, avg=259.63, stdev=71.41 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 153], 10.00th=[ 176], 20.00th=[ 201], | 30.00th=[ 218], 40.00th=[ 232], 50.00th=[ 249], 60.00th=[ 266], | 70.00th=[ 284], 80.00th=[ 309], 90.00th=[ 338], 95.00th=[ 372], | 99.00th=[ 468], 99.50th=[ 493], 99.90th=[ 592], 99.95th=[ 600], | 99.99th=[ 600] bw ( KiB/s): min= 23, max= 166, per=24.67%, avg=80.92, stdev=31.25, samples=121 iops : min= 5, max= 41, avg=19.77, stdev= 7.87, samples=121 write: IOPS=21, BW=86.3KiB/s (88.4kB/s)(5264KiB/60963msec); 0 zone resets slat (usec): min=23, max=10217, avg=240.13, stdev=547.06 clat (msec): min=196, max=976, avg=494.61, stdev=139.27 lat (msec): min=197, max=976, avg=494.86, stdev=139.31 clat percentiles (msec): | 1.00th=[ 232], 5.00th=[ 292], 10.00th=[ 326], 20.00th=[ 372], | 30.00th=[ 414], 40.00th=[ 447], 50.00th=[ 477], 60.00th=[ 518], | 70.00th=[ 558], 80.00th=[ 609], 90.00th=[ 676], 95.00th=[ 751], | 99.00th=[ 885], 99.50th=[ 911], 99.90th=[ 978], 99.95th=[ 978], | 99.99th=[ 978] bw ( KiB/s): min= 23, max= 152, per=25.11%, avg=85.88, stdev=27.34, samples=121 iops : min= 5, max= 38, avg=21.01, stdev= 6.94, samples=121 lat (msec) : 10=0.08%, 20=0.04%, 50=0.23%, 100=0.27%, 250=24.88% lat (msec) : 500=51.60%, 750=20.23%, 1000=2.66% cpu : usr=0.13%, sys=1.02%, ctx=3001, 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=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=122959: Wed Oct 22 04:57:50 2025 read: IOPS=20, BW=81.7KiB/s (83.7kB/s)(4984KiB/61002msec) slat (usec): min=36, max=21751, avg=5878.52, stdev=2913.41 clat (msec): min=7, max=548, avg=256.26, stdev=69.11 lat (msec): min=7, max=558, avg=262.14, stdev=70.04 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 157], 10.00th=[ 180], 20.00th=[ 205], | 30.00th=[ 218], 40.00th=[ 234], 50.00th=[ 251], 60.00th=[ 268], | 70.00th=[ 288], 80.00th=[ 309], 90.00th=[ 342], 95.00th=[ 368], | 99.00th=[ 468], 99.50th=[ 502], 99.90th=[ 542], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 15, max= 152, per=24.82%, avg=81.40, stdev=29.84, samples=121 iops : min= 3, max= 38, avg=19.89, stdev= 7.51, samples=121 write: IOPS=21, BW=86.2KiB/s (88.2kB/s)(5256KiB/61002msec); 0 zone resets slat (usec): min=24, max=8829, avg=211.71, stdev=414.69 clat (msec): min=52, max=983, avg=493.66, stdev=138.96 lat (msec): min=53, max=983, avg=493.88, stdev=138.98 clat percentiles (msec): | 1.00th=[ 230], 5.00th=[ 288], 10.00th=[ 334], 20.00th=[ 376], | 30.00th=[ 414], 40.00th=[ 443], 50.00th=[ 485], 60.00th=[ 518], | 70.00th=[ 550], 80.00th=[ 609], 90.00th=[ 676], 95.00th=[ 760], | 99.00th=[ 844], 99.50th=[ 894], 99.90th=[ 978], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 23, max= 152, per=24.89%, avg=85.13, stdev=26.65, samples=121 iops : min= 5, max= 38, avg=20.83, stdev= 6.75, samples=121 lat (msec) : 10=0.08%, 20=0.08%, 50=0.16%, 100=0.39%, 250=24.14% lat (msec) : 500=51.84%, 750=20.70%, 1000=2.62% cpu : usr=0.12%, sys=1.03%, ctx=2953, 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=122960: Wed Oct 22 04:57:50 2025 read: IOPS=20, BW=82.9KiB/s (84.9kB/s)(5060KiB/61023msec) slat (usec): min=1314, max=20042, avg=5890.59, stdev=2938.76 clat (msec): min=14, max=513, avg=252.79, stdev=66.19 lat (msec): min=20, max=525, avg=258.69, stdev=66.96 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 161], 10.00th=[ 180], 20.00th=[ 203], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 247], 60.00th=[ 259], | 70.00th=[ 279], 80.00th=[ 309], 90.00th=[ 338], 95.00th=[ 363], | 99.00th=[ 460], 99.50th=[ 468], 99.90th=[ 506], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 7, max= 168, per=25.19%, avg=82.63, stdev=30.11, samples=121 iops : min= 1, max= 42, avg=20.20, stdev= 7.60, samples=121 write: IOPS=21, BW=84.9KiB/s (86.9kB/s)(5180KiB/61023msec); 0 zone resets slat (usec): min=21, max=7433, avg=214.66, stdev=410.55 clat (msec): min=168, max=1015, avg=500.09, stdev=141.46 lat (msec): min=168, max=1015, avg=500.31, stdev=141.46 clat percentiles (msec): | 1.00th=[ 236], 5.00th=[ 292], 10.00th=[ 334], 20.00th=[ 376], | 30.00th=[ 414], 40.00th=[ 447], 50.00th=[ 485], 60.00th=[ 527], | 70.00th=[ 575], 80.00th=[ 617], 90.00th=[ 684], 95.00th=[ 760], | 99.00th=[ 894], 99.50th=[ 936], 99.90th=[ 1011], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 24, max= 151, per=24.59%, avg=84.11, stdev=26.89, samples=121 iops : min= 6, max= 37, avg=20.57, stdev= 6.77, samples=121 lat (msec) : 20=0.08%, 50=0.31%, 250=26.37%, 500=49.49%, 750=21.17% lat (msec) : 1000=2.46%, 2000=0.12% cpu : usr=0.16%, sys=0.99%, ctx=2917, 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=329KiB/s (337kB/s), 81.6KiB/s-82.9KiB/s (83.6kB/s-84.9kB/s), io=19.6MiB (20.5MB), run=60963-61023msec WRITE: bw=342KiB/s (351kB/s), 84.9KiB/s-86.3KiB/s (86.9kB/s-88.4kB/s), io=20.4MiB (21.4MB), run=60963-61023msec 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=122973: Wed Oct 22 04:57:55 2025 read: IOPS=4, BW=163MiB/s (171MB/s)(40.0MiB/246msec) slat (nsec): min=19127k, max=19127k, avg=19127468.00, stdev= 0.00 clat (nsec): min=214984k, max=214984k, avg=214984306.00, stdev= 0.00 lat (nsec): min=234117k, max=234117k, avg=234117204.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 215], 10.00th=[ 215], 20.00th=[ 215], | 30.00th=[ 215], 40.00th=[ 215], 50.00th=[ 215], 60.00th=[ 215], | 70.00th=[ 215], 80.00th=[ 215], 90.00th=[ 215], 95.00th=[ 215], | 99.00th=[ 215], 99.50th=[ 215], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 215] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=6.94%, ctx=4, 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=163MiB/s (171MB/s), 163MiB/s-163MiB/s (171MB/s-171MB/s), io=40.0MiB (41.9MB), run=246-246msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck