== sanity test 398c: run fio to test AIO ================= 01:36:36 (1781242596) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.818105 s, 51.3 MB/s osc.lustre-OST0000-osc-ffff8afe41971800.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=145938: Fri Jun 12 01:39:41 2026 write: IOPS=14, BW=59.1KiB/s (60.6kB/s)(10.0MiB/173162msec); 0 zone resets slat (usec): min=50, max=22078, avg=479.62, stdev=1431.20 clat (msec): min=118, max=2635, avg=1080.96, stdev=345.18 lat (msec): min=119, max=2635, avg=1081.45, stdev=345.21 clat percentiles (msec): | 1.00th=[ 409], 5.00th=[ 667], 10.00th=[ 735], 20.00th=[ 818], | 30.00th=[ 894], 40.00th=[ 953], 50.00th=[ 1028], 60.00th=[ 1099], | 70.00th=[ 1183], 80.00th=[ 1284], 90.00th=[ 1502], 95.00th=[ 1754], | 99.00th=[ 2333], 99.50th=[ 2400], 99.90th=[ 2467], 99.95th=[ 2467], | 99.99th=[ 2635] bw ( KiB/s): min= 7, max= 135, per=25.88%, avg=61.09, stdev=27.10, samples=329 iops : min= 1, max= 33, avg=14.75, stdev= 6.80, samples=329 lat (msec) : 250=0.27%, 500=1.76%, 750=9.49%, 1000=34.77%, 2000=50.74% lat (msec) : >=2000=2.97% cpu : usr=0.05%, sys=0.36%, ctx=2360, 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=145939: Fri Jun 12 01:39:41 2026 write: IOPS=14, BW=59.1KiB/s (60.5kB/s)(10.0MiB/173392msec); 0 zone resets slat (usec): min=54, max=19465, avg=436.56, stdev=1222.84 clat (msec): min=276, max=2679, avg=1082.27, stdev=338.55 lat (msec): min=276, max=2679, avg=1082.71, stdev=338.56 clat percentiles (msec): | 1.00th=[ 489], 5.00th=[ 667], 10.00th=[ 735], 20.00th=[ 818], | 30.00th=[ 894], 40.00th=[ 961], 50.00th=[ 1036], 60.00th=[ 1099], | 70.00th=[ 1167], 80.00th=[ 1284], 90.00th=[ 1485], 95.00th=[ 1770], | 99.00th=[ 2265], 99.50th=[ 2400], 99.90th=[ 2567], 99.95th=[ 2635], | 99.99th=[ 2668] bw ( KiB/s): min= 7, max= 222, per=24.90%, avg=58.77, stdev=25.02, samples=342 iops : min= 1, max= 55, avg=14.16, stdev= 6.31, samples=342 lat (msec) : 500=1.45%, 750=9.65%, 1000=34.18%, 2000=52.38%, >=2000=2.34% cpu : usr=0.05%, sys=0.33%, ctx=2585, 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=145940: Fri Jun 12 01:39:41 2026 write: IOPS=14, BW=59.1KiB/s (60.6kB/s)(10.0MiB/173167msec); 0 zone resets slat (usec): min=52, max=26113, avg=401.61, stdev=1230.56 clat (msec): min=181, max=2676, avg=1081.50, stdev=347.20 lat (msec): min=181, max=2676, avg=1081.90, stdev=347.24 clat percentiles (msec): | 1.00th=[ 418], 5.00th=[ 659], 10.00th=[ 735], 20.00th=[ 818], | 30.00th=[ 894], 40.00th=[ 961], 50.00th=[ 1028], 60.00th=[ 1099], | 70.00th=[ 1167], 80.00th=[ 1284], 90.00th=[ 1485], 95.00th=[ 1838], | 99.00th=[ 2232], 99.50th=[ 2333], 99.90th=[ 2567], 99.95th=[ 2567], | 99.99th=[ 2668] bw ( KiB/s): min= 7, max= 254, per=27.32%, avg=64.46, stdev=33.45, samples=312 iops : min= 1, max= 63, avg=15.60, stdev= 8.40, samples=312 lat (msec) : 250=0.62%, 500=1.29%, 750=9.02%, 1000=34.80%, 2000=51.56% lat (msec) : >=2000=2.70% cpu : usr=0.06%, sys=0.32%, ctx=1940, 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=145941: Fri Jun 12 01:39:41 2026 write: IOPS=14, BW=59.1KiB/s (60.5kB/s)(10.0MiB/173333msec); 0 zone resets slat (usec): min=51, max=19493, avg=429.55, stdev=1187.05 clat (msec): min=322, max=2453, avg=1081.99, stdev=332.64 lat (msec): min=322, max=2454, avg=1082.42, stdev=332.65 clat percentiles (msec): | 1.00th=[ 414], 5.00th=[ 659], 10.00th=[ 735], 20.00th=[ 818], | 30.00th=[ 902], 40.00th=[ 969], 50.00th=[ 1028], 60.00th=[ 1099], | 70.00th=[ 1167], 80.00th=[ 1284], 90.00th=[ 1502], 95.00th=[ 1770], | 99.00th=[ 2165], 99.50th=[ 2265], 99.90th=[ 2467], 99.95th=[ 2467], | 99.99th=[ 2467] bw ( KiB/s): min= 7, max= 128, per=25.78%, avg=60.84, stdev=29.68, samples=330 iops : min= 1, max= 32, avg=14.68, stdev= 7.42, samples=330 lat (msec) : 500=1.33%, 750=10.31%, 1000=34.18%, 2000=51.76%, >=2000=2.42% cpu : usr=0.05%, sys=0.33%, ctx=2321, 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 Run status group 0 (all jobs): WRITE: bw=236KiB/s (242kB/s), 59.1KiB/s-59.1KiB/s (60.5kB/s-60.6kB/s), io=40.0MiB (41.9MB), run=173162-173392msec 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=145975: Fri Jun 12 01:41:37 2026 read: IOPS=11, BW=47.8KiB/s (48.0kB/s)(5048KiB/105508msec) slat (usec): min=97, max=62208, avg=14939.95, stdev=7735.90 clat (msec): min=21, max=1366, avg=412.45, stdev=114.37 lat (msec): min=31, max=1380, avg=427.41, stdev=115.31 clat percentiles (msec): | 1.00th=[ 120], 5.00th=[ 271], 10.00th=[ 300], 20.00th=[ 330], | 30.00th=[ 359], 40.00th=[ 380], 50.00th=[ 401], 60.00th=[ 422], | 70.00th=[ 451], 80.00th=[ 485], 90.00th=[ 550], 95.00th=[ 584], | 99.00th=[ 693], 99.50th=[ 1083], 99.90th=[ 1200], 99.95th=[ 1368], | 99.99th=[ 1368] bw ( KiB/s): min= 7, max= 120, per=25.07%, avg=47.39, stdev=20.24, samples=208 iops : min= 1, max= 30, avg=11.32, stdev= 5.06, samples=208 write: IOPS=12, BW=49.2KiB/s (50.4kB/s)(5192KiB/105508msec); 0 zone resets slat (usec): min=58, max=31612, avg=497.17, stdev=1368.91 clat (msec): min=213, max=1761, avg=883.01, stdev=235.14 lat (msec): min=213, max=1762, avg=883.51, stdev=235.12 clat percentiles (msec): | 1.00th=[ 384], 5.00th=[ 498], 10.00th=[ 575], 20.00th=[ 676], | 30.00th=[ 743], 40.00th=[ 810], 50.00th=[ 894], 60.00th=[ 944], | 70.00th=[ 1020], 80.00th=[ 1083], 90.00th=[ 1183], 95.00th=[ 1267], | 99.00th=[ 1435], 99.50th=[ 1519], 99.90th=[ 1603], 99.95th=[ 1770], | 99.99th=[ 1770] bw ( KiB/s): min= 7, max= 128, per=24.74%, avg=48.74, stdev=19.91, samples=208 iops : min= 1, max= 32, avg=11.66, stdev= 5.04, samples=208 lat (msec) : 50=0.27%, 100=0.20%, 250=1.02%, 500=42.07%, 750=21.02% lat (msec) : 1000=18.67%, 2000=16.76% cpu : usr=0.09%, sys=0.90%, ctx=4804, 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=145976: Fri Jun 12 01:41:37 2026 read: IOPS=11, BW=46.9KiB/s (48.0kB/s)(4976KiB/106047msec) slat (usec): min=3052, max=58136, avg=14773.23, stdev=7683.00 clat (msec): min=30, max=768, avg=410.01, stdev=95.88 lat (msec): min=43, max=773, avg=424.79, stdev=96.86 clat percentiles (msec): | 1.00th=[ 201], 5.00th=[ 271], 10.00th=[ 296], 20.00th=[ 334], | 30.00th=[ 359], 40.00th=[ 384], 50.00th=[ 405], 60.00th=[ 426], | 70.00th=[ 456], 80.00th=[ 489], 90.00th=[ 531], 95.00th=[ 575], | 99.00th=[ 659], 99.50th=[ 684], 99.90th=[ 760], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 7, max= 120, per=24.58%, avg=46.46, stdev=21.10, samples=209 iops : min= 1, max= 30, avg=11.08, stdev= 5.28, samples=209 write: IOPS=12, BW=49.6KiB/s (50.8kB/s)(5264KiB/106047msec); 0 zone resets slat (usec): min=55, max=17780, avg=507.29, stdev=1068.48 clat (msec): min=185, max=1566, avg=884.32, stdev=226.39 lat (msec): min=185, max=1566, avg=884.83, stdev=226.35 clat percentiles (msec): | 1.00th=[ 418], 5.00th=[ 514], 10.00th=[ 584], 20.00th=[ 684], | 30.00th=[ 751], 40.00th=[ 818], 50.00th=[ 885], 60.00th=[ 944], | 70.00th=[ 1020], 80.00th=[ 1099], 90.00th=[ 1167], 95.00th=[ 1250], | 99.00th=[ 1385], 99.50th=[ 1452], 99.90th=[ 1569], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 7, max= 104, per=24.87%, avg=49.00, stdev=20.46, samples=209 iops : min= 1, max= 26, avg=11.72, stdev= 5.19, samples=209 lat (msec) : 50=0.04%, 100=0.27%, 250=1.05%, 500=41.33%, 750=20.74% lat (msec) : 1000=20.31%, 2000=16.25% cpu : usr=0.11%, sys=0.87%, ctx=4822, 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=145977: Fri Jun 12 01:41:37 2026 read: IOPS=11, BW=47.0KiB/s (48.1kB/s)(4984KiB/106009msec) slat (usec): min=3095, max=60338, avg=15419.35, stdev=7775.79 clat (msec): min=28, max=800, avg=407.99, stdev=99.76 lat (msec): min=38, max=806, avg=423.42, stdev=100.65 clat percentiles (msec): | 1.00th=[ 188], 5.00th=[ 271], 10.00th=[ 296], 20.00th=[ 326], | 30.00th=[ 351], 40.00th=[ 376], 50.00th=[ 397], 60.00th=[ 418], | 70.00th=[ 451], 80.00th=[ 485], 90.00th=[ 542], 95.00th=[ 584], | 99.00th=[ 667], 99.50th=[ 684], 99.90th=[ 768], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 7, max= 111, per=24.71%, avg=46.70, stdev=19.89, samples=209 iops : min= 1, max= 27, avg=11.14, stdev= 5.03, samples=209 write: IOPS=12, BW=49.6KiB/s (50.8kB/s)(5256KiB/106009msec); 0 zone resets slat (usec): min=57, max=21432, avg=561.91, stdev=1338.34 clat (msec): min=185, max=1570, avg=885.44, stdev=224.25 lat (msec): min=185, max=1571, avg=886.01, stdev=224.27 clat percentiles (msec): | 1.00th=[ 418], 5.00th=[ 518], 10.00th=[ 575], 20.00th=[ 684], | 30.00th=[ 751], 40.00th=[ 827], 50.00th=[ 894], 60.00th=[ 961], | 70.00th=[ 1020], 80.00th=[ 1083], 90.00th=[ 1167], 95.00th=[ 1234], | 99.00th=[ 1385], 99.50th=[ 1435], 99.90th=[ 1569], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 7, max= 96, per=24.70%, avg=48.67, stdev=18.84, samples=210 iops : min= 1, max= 24, avg=11.64, stdev= 4.77, samples=210 lat (msec) : 50=0.12%, 100=0.20%, 250=0.90%, 500=41.25%, 750=21.13% lat (msec) : 1000=19.65%, 2000=16.76% cpu : usr=0.12%, sys=0.95%, ctx=4932, 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=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=145978: Fri Jun 12 01:41:37 2026 read: IOPS=11, BW=47.8KiB/s (48.0kB/s)(5060KiB/105802msec) slat (usec): min=3262, max=70881, avg=15196.99, stdev=7766.60 clat (msec): min=24, max=808, avg=407.77, stdev=96.38 lat (msec): min=30, max=836, avg=422.97, stdev=97.92 clat percentiles (msec): | 1.00th=[ 211], 5.00th=[ 275], 10.00th=[ 300], 20.00th=[ 330], | 30.00th=[ 355], 40.00th=[ 372], 50.00th=[ 397], 60.00th=[ 418], | 70.00th=[ 451], 80.00th=[ 485], 90.00th=[ 535], 95.00th=[ 575], | 99.00th=[ 676], 99.50th=[ 701], 99.90th=[ 793], 99.95th=[ 810], | 99.99th=[ 810] bw ( KiB/s): min= 7, max= 104, per=25.24%, avg=47.71, stdev=19.49, samples=208 iops : min= 1, max= 26, avg=11.39, stdev= 4.91, samples=208 write: IOPS=12, BW=48.0KiB/s (50.1kB/s)(5180KiB/105802msec); 0 zone resets slat (usec): min=51, max=19341, avg=506.41, stdev=1208.32 clat (msec): min=332, max=1520, avg=890.42, stdev=222.56 lat (msec): min=332, max=1521, avg=890.93, stdev=222.55 clat percentiles (msec): | 1.00th=[ 451], 5.00th=[ 527], 10.00th=[ 592], 20.00th=[ 684], | 30.00th=[ 760], 40.00th=[ 827], 50.00th=[ 894], 60.00th=[ 953], | 70.00th=[ 1020], 80.00th=[ 1099], 90.00th=[ 1167], 95.00th=[ 1250], | 99.00th=[ 1401], 99.50th=[ 1485], 99.90th=[ 1519], 99.95th=[ 1519], | 99.99th=[ 1519] bw ( KiB/s): min= 7, max= 96, per=24.41%, avg=48.10, stdev=19.49, samples=210 iops : min= 1, max= 24, avg=11.49, stdev= 4.92, samples=210 lat (msec) : 50=0.08%, 100=0.23%, 250=0.74%, 500=42.11%, 750=20.62% lat (msec) : 1000=19.38%, 2000=16.84% cpu : usr=0.12%, sys=0.91%, ctx=5015, 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=189KiB/s (194kB/s), 46.9KiB/s-47.8KiB/s (48.0kB/s-48.0kB/s), io=19.6MiB (20.5MB), run=105508-106047msec WRITE: bw=197KiB/s (202kB/s), 48.0KiB/s-49.6KiB/s (50.1kB/s-50.8kB/s), io=20.4MiB (21.4MB), run=105508-106047msec 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=145998: Fri Jun 12 01:41:48 2026 read: IOPS=1, BW=73.4MiB/s (76.0MB/s)(40.0MiB/545msec) slat (nsec): min=47922k, max=47922k, avg=47922454.00, stdev= 0.00 clat (nsec): min=466282k, max=466282k, avg=466282339.00, stdev= 0.00 lat (nsec): min=514211k, max=514211k, avg=514210865.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 468], 5.00th=[ 468], 10.00th=[ 468], 20.00th=[ 468], | 30.00th=[ 468], 40.00th=[ 468], 50.00th=[ 468], 60.00th=[ 468], | 70.00th=[ 468], 80.00th=[ 468], 90.00th=[ 468], 95.00th=[ 468], | 99.00th=[ 468], 99.50th=[ 468], 99.90th=[ 468], 99.95th=[ 468], | 99.99th=[ 468] lat (msec) : 500=100.00% cpu : usr=0.18%, sys=2.94%, ctx=44, 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=73.4MiB/s (76.0MB/s), 73.4MiB/s-73.4MiB/s (76.0MB/s-76.0MB/s), io=40.0MiB (41.9MB), run=545-545msec 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