== sanity test 398c: run fio to test AIO ================= 18:02:15 (1781215335) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.821012 s, 51.1 MB/s osc.lustre-OST0000-osc-ffff95c20a4ad800.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=145227: Thu Jun 11 18:05:24 2026 write: IOPS=14, BW=58.4KiB/s (59.8kB/s)(10.0MiB/175309msec); 0 zone resets slat (usec): min=36, max=18367, avg=211.95, stdev=765.60 clat (msec): min=186, max=3883, avg=1095.13, stdev=409.01 lat (msec): min=186, max=3883, avg=1095.34, stdev=409.00 clat percentiles (msec): | 1.00th=[ 414], 5.00th=[ 592], 10.00th=[ 709], 20.00th=[ 810], | 30.00th=[ 869], 40.00th=[ 944], 50.00th=[ 1020], 60.00th=[ 1116], | 70.00th=[ 1200], 80.00th=[ 1334], 90.00th=[ 1569], 95.00th=[ 1838], | 99.00th=[ 2534], 99.50th=[ 3272], 99.90th=[ 3742], 99.95th=[ 3742], | 99.99th=[ 3876] bw ( KiB/s): min= 7, max= 255, per=26.47%, avg=61.67, stdev=31.08, samples=326 iops : min= 1, max= 63, avg=14.95, stdev= 7.78, samples=326 lat (msec) : 250=0.62%, 500=1.91%, 750=10.86%, 1000=34.34%, 2000=49.30% lat (msec) : >=2000=2.97% cpu : usr=0.03%, sys=0.24%, ctx=1894, 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=145228: Thu Jun 11 18:05:24 2026 write: IOPS=14, BW=58.4KiB/s (59.8kB/s)(10.0MiB/175311msec); 0 zone resets slat (usec): min=37, max=22602, avg=263.40, stdev=921.24 clat (msec): min=92, max=3882, avg=1094.40, stdev=399.99 lat (msec): min=92, max=3882, avg=1094.67, stdev=399.99 clat percentiles (msec): | 1.00th=[ 405], 5.00th=[ 634], 10.00th=[ 718], 20.00th=[ 802], | 30.00th=[ 869], 40.00th=[ 936], 50.00th=[ 1011], 60.00th=[ 1099], | 70.00th=[ 1217], 80.00th=[ 1351], 90.00th=[ 1552], 95.00th=[ 1754], | 99.00th=[ 2433], 99.50th=[ 3473], 99.90th=[ 3675], 99.95th=[ 3675], | 99.99th=[ 3876] bw ( KiB/s): min= 7, max= 135, per=26.21%, avg=61.08, stdev=31.77, samples=329 iops : min= 1, max= 33, avg=14.80, stdev= 7.95, samples=329 lat (msec) : 100=0.04%, 250=0.04%, 500=1.72%, 750=11.52%, 1000=34.88% lat (msec) : 2000=49.18%, >=2000=2.62% cpu : usr=0.04%, sys=0.24%, ctx=1948, 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=145229: Thu Jun 11 18:05:24 2026 write: IOPS=14, BW=58.4KiB/s (59.8kB/s)(10.0MiB/175350msec); 0 zone resets slat (usec): min=36, max=21623, avg=255.94, stdev=978.01 clat (msec): min=281, max=3432, avg=1094.92, stdev=399.41 lat (msec): min=281, max=3432, avg=1095.18, stdev=399.42 clat percentiles (msec): | 1.00th=[ 447], 5.00th=[ 634], 10.00th=[ 709], 20.00th=[ 802], | 30.00th=[ 877], 40.00th=[ 936], 50.00th=[ 1003], 60.00th=[ 1099], | 70.00th=[ 1217], 80.00th=[ 1351], 90.00th=[ 1586], 95.00th=[ 1787], | 99.00th=[ 2534], 99.50th=[ 2869], 99.90th=[ 3306], 99.95th=[ 3440], | 99.99th=[ 3440] bw ( KiB/s): min= 7, max= 128, per=27.57%, avg=64.24, stdev=32.64, samples=313 iops : min= 1, max= 32, avg=15.59, stdev= 8.17, samples=313 lat (msec) : 500=2.23%, 750=11.33%, 1000=36.02%, 2000=47.19%, >=2000=3.24% cpu : usr=0.04%, sys=0.24%, ctx=1794, 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=145230: Thu Jun 11 18:05:24 2026 write: IOPS=14, BW=58.4KiB/s (59.8kB/s)(10.0MiB/175440msec); 0 zone resets slat (usec): min=37, max=21601, avg=239.12, stdev=886.63 clat (msec): min=195, max=3818, avg=1095.16, stdev=408.93 lat (msec): min=195, max=3818, avg=1095.40, stdev=408.92 clat percentiles (msec): | 1.00th=[ 363], 5.00th=[ 634], 10.00th=[ 718], 20.00th=[ 802], | 30.00th=[ 877], 40.00th=[ 953], 50.00th=[ 1020], 60.00th=[ 1099], | 70.00th=[ 1183], 80.00th=[ 1334], 90.00th=[ 1569], 95.00th=[ 1787], | 99.00th=[ 2668], 99.50th=[ 3540], 99.90th=[ 3809], 99.95th=[ 3809], | 99.99th=[ 3809] bw ( KiB/s): min= 7, max= 128, per=26.97%, avg=62.84, stdev=35.63, samples=319 iops : min= 1, max= 32, avg=15.25, stdev= 8.97, samples=319 lat (msec) : 250=0.16%, 500=1.88%, 750=10.51%, 1000=34.69%, 2000=50.04% lat (msec) : >=2000=2.73% cpu : usr=0.04%, sys=0.25%, ctx=1857, 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 Run status group 0 (all jobs): WRITE: bw=233KiB/s (239kB/s), 58.4KiB/s-58.4KiB/s (59.8kB/s-59.8kB/s), io=40.0MiB (41.9MB), run=175309-175440msec 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=145265: Thu Jun 11 18:07:27 2026 read: IOPS=11, BW=45.0KiB/s (46.1kB/s)(5048KiB/112132msec) slat (usec): min=2948, max=77304, avg=15073.82, stdev=8621.65 clat (msec): min=13, max=1099, avg=435.76, stdev=130.17 lat (msec): min=37, max=1123, avg=450.84, stdev=131.77 clat percentiles (msec): | 1.00th=[ 207], 5.00th=[ 279], 10.00th=[ 309], 20.00th=[ 338], | 30.00th=[ 359], 40.00th=[ 384], 50.00th=[ 409], 60.00th=[ 443], | 70.00th=[ 472], 80.00th=[ 523], 90.00th=[ 617], 95.00th=[ 693], | 99.00th=[ 844], 99.50th=[ 869], 99.90th=[ 1070], 99.95th=[ 1099], | 99.99th=[ 1099] bw ( KiB/s): min= 7, max= 104, per=25.08%, avg=44.64, stdev=20.60, samples=221 iops : min= 1, max= 26, avg=10.66, stdev= 5.18, samples=221 write: IOPS=11, BW=46.3KiB/s (47.4kB/s)(5192KiB/112132msec); 0 zone resets slat (usec): min=50, max=19325, avg=301.99, stdev=971.76 clat (msec): min=217, max=1956, avg=940.80, stdev=262.59 lat (msec): min=217, max=1957, avg=941.10, stdev=262.57 clat percentiles (msec): | 1.00th=[ 426], 5.00th=[ 558], 10.00th=[ 609], 20.00th=[ 726], | 30.00th=[ 802], 40.00th=[ 860], 50.00th=[ 911], 60.00th=[ 978], | 70.00th=[ 1053], 80.00th=[ 1150], 90.00th=[ 1284], 95.00th=[ 1401], | 99.00th=[ 1670], 99.50th=[ 1804], 99.90th=[ 1955], 99.95th=[ 1955], | 99.99th=[ 1955] bw ( KiB/s): min= 7, max= 104, per=24.62%, avg=45.80, stdev=19.64, samples=222 iops : min= 1, max= 26, avg=10.95, stdev= 4.96, samples=222 lat (msec) : 20=0.04%, 50=0.08%, 100=0.12%, 250=1.25%, 500=36.99% lat (msec) : 750=20.59%, 1000=22.23%, 2000=18.71% cpu : usr=0.09%, sys=0.66%, ctx=4479, 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=145266: Thu Jun 11 18:07:27 2026 read: IOPS=11, BW=44.4KiB/s (45.5kB/s)(4976KiB/111962msec) slat (usec): min=63, max=75936, avg=14997.08, stdev=8758.82 clat (msec): min=39, max=1354, avg=430.90, stdev=137.14 lat (msec): min=39, max=1373, avg=445.91, stdev=139.11 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 268], 10.00th=[ 300], 20.00th=[ 334], | 30.00th=[ 359], 40.00th=[ 384], 50.00th=[ 409], 60.00th=[ 435], | 70.00th=[ 468], 80.00th=[ 510], 90.00th=[ 617], 95.00th=[ 684], | 99.00th=[ 844], 99.50th=[ 919], 99.90th=[ 1334], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 7, max= 111, per=25.04%, avg=44.57, stdev=22.76, samples=218 iops : min= 1, max= 27, avg=10.65, stdev= 5.71, samples=218 write: IOPS=11, BW=47.0KiB/s (48.1kB/s)(5264KiB/111962msec); 0 zone resets slat (usec): min=47, max=20483, avg=291.40, stdev=942.17 clat (msec): min=164, max=2076, avg=938.38, stdev=272.81 lat (msec): min=164, max=2076, avg=938.67, stdev=272.83 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 567], 10.00th=[ 625], 20.00th=[ 718], | 30.00th=[ 793], 40.00th=[ 852], 50.00th=[ 911], 60.00th=[ 969], | 70.00th=[ 1045], 80.00th=[ 1150], 90.00th=[ 1284], 95.00th=[ 1418], | 99.00th=[ 1737], 99.50th=[ 1804], 99.90th=[ 1972], 99.95th=[ 2072], | 99.99th=[ 2072] bw ( KiB/s): min= 7, max= 104, per=25.08%, avg=46.65, stdev=20.78, samples=221 iops : min= 1, max= 26, avg=11.17, stdev= 5.21, samples=221 lat (msec) : 50=0.12%, 100=0.39%, 250=1.80%, 500=37.34%, 750=19.65% lat (msec) : 1000=22.19%, 2000=18.48%, >=2000=0.04% cpu : usr=0.11%, sys=0.66%, ctx=4232, 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=145267: Thu Jun 11 18:07:27 2026 read: IOPS=11, BW=44.4KiB/s (45.5kB/s)(4984KiB/112273msec) slat (usec): min=2906, max=65217, avg=15021.70, stdev=8278.71 clat (msec): min=5, max=936, avg=428.92, stdev=122.78 lat (msec): min=14, max=956, avg=443.95, stdev=124.35 clat percentiles (msec): | 1.00th=[ 167], 5.00th=[ 271], 10.00th=[ 300], 20.00th=[ 338], | 30.00th=[ 363], 40.00th=[ 388], 50.00th=[ 409], 60.00th=[ 435], | 70.00th=[ 468], 80.00th=[ 514], 90.00th=[ 600], 95.00th=[ 659], | 99.00th=[ 827], 99.50th=[ 852], 99.90th=[ 927], 99.95th=[ 936], | 99.99th=[ 936] bw ( KiB/s): min= 7, max= 111, per=24.87%, avg=44.27, stdev=21.83, samples=221 iops : min= 1, max= 27, avg=10.57, stdev= 5.50, samples=221 write: IOPS=11, BW=46.8KiB/s (47.9kB/s)(5256KiB/112273msec); 0 zone resets slat (usec): min=44, max=21326, avg=308.97, stdev=1062.82 clat (msec): min=86, max=2049, avg=943.30, stdev=265.92 lat (msec): min=86, max=2049, avg=943.61, stdev=265.94 clat percentiles (msec): | 1.00th=[ 426], 5.00th=[ 558], 10.00th=[ 634], 20.00th=[ 726], | 30.00th=[ 793], 40.00th=[ 860], 50.00th=[ 919], 60.00th=[ 986], | 70.00th=[ 1062], 80.00th=[ 1167], 90.00th=[ 1284], 95.00th=[ 1435], | 99.00th=[ 1687], 99.50th=[ 1804], 99.90th=[ 1821], 99.95th=[ 2056], | 99.99th=[ 2056] bw ( KiB/s): min= 7, max= 95, per=24.71%, avg=45.97, stdev=18.64, samples=223 iops : min= 1, max= 23, avg=11.00, stdev= 4.68, samples=223 lat (msec) : 10=0.04%, 50=0.12%, 100=0.23%, 250=1.13%, 500=36.95% lat (msec) : 750=21.37%, 1000=20.82%, 2000=19.30%, >=2000=0.04% cpu : usr=0.09%, sys=0.67%, ctx=4233, 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=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=145268: Thu Jun 11 18:07:27 2026 read: IOPS=11, BW=45.1KiB/s (46.1kB/s)(5060KiB/112273msec) slat (usec): min=2798, max=75637, avg=14842.66, stdev=8531.14 clat (msec): min=46, max=983, avg=432.35, stdev=124.59 lat (msec): min=56, max=1010, avg=447.20, stdev=126.59 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 275], 10.00th=[ 300], 20.00th=[ 334], | 30.00th=[ 363], 40.00th=[ 388], 50.00th=[ 414], 60.00th=[ 439], | 70.00th=[ 464], 80.00th=[ 514], 90.00th=[ 600], 95.00th=[ 676], | 99.00th=[ 835], 99.50th=[ 860], 99.90th=[ 919], 99.95th=[ 986], | 99.99th=[ 986] bw ( KiB/s): min= 7, max= 128, per=25.35%, avg=45.13, stdev=21.09, samples=220 iops : min= 1, max= 32, avg=10.78, stdev= 5.29, samples=220 write: IOPS=11, BW=46.1KiB/s (47.2kB/s)(5180KiB/112273msec); 0 zone resets slat (usec): min=38, max=44967, avg=358.40, stdev=1684.32 clat (msec): min=283, max=1990, avg=946.97, stdev=263.00 lat (msec): min=283, max=1990, avg=947.33, stdev=263.05 clat percentiles (msec): | 1.00th=[ 430], 5.00th=[ 567], 10.00th=[ 642], 20.00th=[ 735], | 30.00th=[ 802], 40.00th=[ 860], 50.00th=[ 911], 60.00th=[ 978], | 70.00th=[ 1053], 80.00th=[ 1167], 90.00th=[ 1301], 95.00th=[ 1435], | 99.00th=[ 1687], 99.50th=[ 1754], 99.90th=[ 1854], 99.95th=[ 1989], | 99.99th=[ 1989] bw ( KiB/s): min= 7, max= 104, per=24.60%, avg=45.76, stdev=19.04, samples=221 iops : min= 1, max= 26, avg=10.94, stdev= 4.83, samples=221 lat (msec) : 50=0.16%, 250=1.25%, 500=38.32%, 750=19.45%, 1000=22.42% lat (msec) : 2000=18.40% cpu : usr=0.09%, sys=0.73%, ctx=4601, 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=179KiB/s (183kB/s), 44.4KiB/s-45.1KiB/s (45.5kB/s-46.1kB/s), io=19.6MiB (20.5MB), run=111962-112273msec WRITE: bw=186KiB/s (191kB/s), 46.1KiB/s-47.0KiB/s (47.2kB/s-48.1kB/s), io=20.4MiB (21.4MB), run=111962-112273msec 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=145288: Thu Jun 11 18:07:40 2026 read: IOPS=1, BW=62.1MiB/s (65.1MB/s)(40.0MiB/644msec) slat (nsec): min=73946k, max=73946k, avg=73945986.00, stdev= 0.00 clat (nsec): min=552639k, max=552639k, avg=552638791.00, stdev= 0.00 lat (nsec): min=626590k, max=626590k, avg=626589669.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 550], 5.00th=[ 550], 10.00th=[ 550], 20.00th=[ 550], | 30.00th=[ 550], 40.00th=[ 550], 50.00th=[ 550], 60.00th=[ 550], | 70.00th=[ 550], 80.00th=[ 550], 90.00th=[ 550], 95.00th=[ 550], | 99.00th=[ 550], 99.50th=[ 550], 99.90th=[ 550], 99.95th=[ 550], | 99.99th=[ 550] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=1.56%, ctx=7, 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=62.1MiB/s (65.1MB/s), 62.1MiB/s-62.1MiB/s (65.1MB/s-65.1MB/s), io=40.0MiB (41.9MB), run=644-644msec 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