== sanity test 398c: run fio to test AIO ================= 14:18:31 (1780856311) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.37503 s, 112 MB/s osc.lustre-OST0000-osc-ffff8cf090e08000.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=146129: Sun Jun 7 14:20:23 2026 write: IOPS=24, BW=96.9KiB/s (99.2kB/s)(10.0MiB/105711msec); 0 zone resets slat (usec): min=36, max=6526, avg=347.38, stdev=525.35 clat (msec): min=214, max=1254, avg=659.65, stdev=161.13 lat (msec): min=214, max=1254, avg=660.01, stdev=161.14 clat percentiles (msec): | 1.00th=[ 330], 5.00th=[ 397], 10.00th=[ 464], 20.00th=[ 542], | 30.00th=[ 584], 40.00th=[ 617], 50.00th=[ 651], 60.00th=[ 693], | 70.00th=[ 735], 80.00th=[ 785], 90.00th=[ 877], 95.00th=[ 936], | 99.00th=[ 1099], 99.50th=[ 1150], 99.90th=[ 1234], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 24, max= 256, per=24.85%, avg=96.19, stdev=30.38, samples=210 iops : min= 6, max= 64, avg=23.56, stdev= 7.62, samples=210 lat (msec) : 250=0.62%, 500=13.48%, 750=58.83%, 1000=24.45%, 2000=2.62% cpu : usr=0.08%, sys=0.48%, ctx=2813, 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=146130: Sun Jun 7 14:20:23 2026 write: IOPS=24, BW=96.8KiB/s (99.2kB/s)(10.0MiB/105742msec); 0 zone resets slat (usec): min=39, max=6527, avg=389.64, stdev=654.61 clat (msec): min=163, max=1268, avg=659.99, stdev=161.89 lat (msec): min=166, max=1268, avg=660.39, stdev=161.90 clat percentiles (msec): | 1.00th=[ 317], 5.00th=[ 384], 10.00th=[ 451], 20.00th=[ 535], | 30.00th=[ 584], 40.00th=[ 617], 50.00th=[ 659], 60.00th=[ 693], | 70.00th=[ 735], 80.00th=[ 785], 90.00th=[ 860], 95.00th=[ 927], | 99.00th=[ 1116], 99.50th=[ 1150], 99.90th=[ 1217], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 23, max= 248, per=24.85%, avg=96.18, stdev=30.53, samples=210 iops : min= 5, max= 62, avg=23.56, stdev= 7.68, samples=210 lat (msec) : 250=0.66%, 500=14.02%, 750=57.93%, 1000=24.73%, 2000=2.66% cpu : usr=0.07%, sys=0.49%, ctx=2865, 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=146131: Sun Jun 7 14:20:23 2026 write: IOPS=24, BW=96.8KiB/s (99.2kB/s)(10.0MiB/105738msec); 0 zone resets slat (usec): min=47, max=9623, avg=415.94, stdev=742.66 clat (msec): min=80, max=1252, avg=659.75, stdev=162.99 lat (msec): min=81, max=1253, avg=660.17, stdev=163.02 clat percentiles (msec): | 1.00th=[ 317], 5.00th=[ 397], 10.00th=[ 464], 20.00th=[ 531], | 30.00th=[ 575], 40.00th=[ 617], 50.00th=[ 659], 60.00th=[ 693], | 70.00th=[ 735], 80.00th=[ 785], 90.00th=[ 860], 95.00th=[ 927], | 99.00th=[ 1133], 99.50th=[ 1167], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 32, max= 224, per=24.86%, avg=96.19, stdev=29.07, samples=210 iops : min= 8, max= 56, avg=23.56, stdev= 7.29, samples=210 lat (msec) : 100=0.04%, 250=0.62%, 500=14.45%, 750=58.32%, 1000=24.18% lat (msec) : 2000=2.38% cpu : usr=0.09%, sys=0.51%, ctx=3124, 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=146132: Sun Jun 7 14:20:23 2026 write: IOPS=24, BW=97.2KiB/s (99.5kB/s)(10.0MiB/105366msec); 0 zone resets slat (usec): min=40, max=10414, avg=397.41, stdev=701.07 clat (msec): min=97, max=1254, avg=657.91, stdev=163.73 lat (msec): min=97, max=1254, avg=658.31, stdev=163.73 clat percentiles (msec): | 1.00th=[ 245], 5.00th=[ 405], 10.00th=[ 451], 20.00th=[ 527], | 30.00th=[ 575], 40.00th=[ 617], 50.00th=[ 651], 60.00th=[ 693], | 70.00th=[ 735], 80.00th=[ 785], 90.00th=[ 852], 95.00th=[ 927], | 99.00th=[ 1099], 99.50th=[ 1183], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 7, max= 217, per=24.91%, avg=96.40, stdev=34.67, samples=209 iops : min= 1, max= 54, avg=23.62, stdev= 8.68, samples=209 lat (msec) : 100=0.04%, 250=0.98%, 500=14.38%, 750=57.27%, 1000=25.08% lat (msec) : 2000=2.27% cpu : usr=0.08%, sys=0.48%, ctx=2636, 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=387KiB/s (397kB/s), 96.8KiB/s-97.2KiB/s (99.2kB/s-99.5kB/s), io=40.0MiB (41.9MB), run=105366-105742msec 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=146157: Sun Jun 7 14:21:27 2026 read: IOPS=21, BW=85.3KiB/s (87.4kB/s)(5048KiB/59145msec) slat (usec): min=63, max=32354, avg=8136.01, stdev=3630.32 clat (msec): min=3, max=733, avg=238.30, stdev=67.97 lat (msec): min=7, max=739, avg=246.44, stdev=68.67 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 146], 10.00th=[ 165], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 220], 50.00th=[ 234], 60.00th=[ 249], | 70.00th=[ 268], 80.00th=[ 288], 90.00th=[ 317], 95.00th=[ 338], | 99.00th=[ 397], 99.50th=[ 481], 99.90th=[ 701], 99.95th=[ 735], | 99.99th=[ 735] bw ( KiB/s): min= 23, max= 168, per=25.31%, avg=85.05, stdev=29.59, samples=117 iops : min= 5, max= 42, avg=20.86, stdev= 7.41, samples=117 write: IOPS=21, BW=87.8KiB/s (89.9kB/s)(5192KiB/59145msec); 0 zone resets slat (usec): min=61, max=12429, avg=395.88, stdev=606.29 clat (msec): min=102, max=961, avg=488.33, stdev=131.71 lat (msec): min=102, max=961, avg=488.73, stdev=131.71 clat percentiles (msec): | 1.00th=[ 222], 5.00th=[ 296], 10.00th=[ 330], 20.00th=[ 380], | 30.00th=[ 414], 40.00th=[ 443], 50.00th=[ 472], 60.00th=[ 510], | 70.00th=[ 550], 80.00th=[ 600], 90.00th=[ 684], 95.00th=[ 718], | 99.00th=[ 802], 99.50th=[ 835], 99.90th=[ 944], 99.95th=[ 961], | 99.99th=[ 961] bw ( KiB/s): min= 24, max= 151, per=25.04%, avg=87.38, stdev=26.16, samples=117 iops : min= 6, max= 37, avg=21.45, stdev= 6.59, samples=117 lat (msec) : 4=0.04%, 20=0.04%, 50=0.59%, 100=0.27%, 250=29.73% lat (msec) : 500=47.50%, 750=20.12%, 1000=1.72% cpu : usr=0.17%, sys=1.28%, ctx=5331, 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=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=146158: Sun Jun 7 14:21:27 2026 read: IOPS=20, BW=83.4KiB/s (85.4kB/s)(4976KiB/59694msec) slat (usec): min=2601, max=31876, avg=8237.39, stdev=3591.78 clat (msec): min=10, max=425, avg=239.99, stdev=59.46 lat (msec): min=15, max=430, avg=248.23, stdev=59.93 clat percentiles (msec): | 1.00th=[ 73], 5.00th=[ 150], 10.00th=[ 169], 20.00th=[ 192], | 30.00th=[ 209], 40.00th=[ 226], 50.00th=[ 241], 60.00th=[ 253], | 70.00th=[ 271], 80.00th=[ 292], 90.00th=[ 317], 95.00th=[ 342], | 99.00th=[ 372], 99.50th=[ 384], 99.90th=[ 401], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 23, max= 152, per=24.61%, avg=82.68, stdev=29.16, samples=118 iops : min= 5, max= 38, avg=20.28, stdev= 7.31, samples=118 write: IOPS=22, BW=88.2KiB/s (90.3kB/s)(5264KiB/59694msec); 0 zone resets slat (usec): min=60, max=10112, avg=422.63, stdev=624.90 clat (msec): min=72, max=850, avg=489.26, stdev=126.72 lat (msec): min=72, max=850, avg=489.68, stdev=126.73 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 300], 10.00th=[ 338], 20.00th=[ 384], | 30.00th=[ 422], 40.00th=[ 447], 50.00th=[ 472], 60.00th=[ 506], | 70.00th=[ 542], 80.00th=[ 600], 90.00th=[ 667], 95.00th=[ 718], | 99.00th=[ 785], 99.50th=[ 810], 99.90th=[ 835], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 31, max= 152, per=25.13%, avg=87.69, stdev=25.90, samples=118 iops : min= 7, max= 38, avg=21.53, stdev= 6.51, samples=118 lat (msec) : 20=0.12%, 50=0.27%, 100=0.47%, 250=28.05%, 500=49.49% lat (msec) : 750=20.47%, 1000=1.13% cpu : usr=0.16%, sys=1.32%, ctx=5257, 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=146159: Sun Jun 7 14:21:27 2026 read: IOPS=20, BW=83.5KiB/s (85.5kB/s)(4984KiB/59694msec) slat (usec): min=2500, max=24846, avg=8256.58, stdev=3498.45 clat (msec): min=9, max=412, avg=238.75, stdev=58.22 lat (msec): min=17, max=424, avg=247.03, stdev=58.64 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 153], 10.00th=[ 167], 20.00th=[ 192], | 30.00th=[ 209], 40.00th=[ 224], 50.00th=[ 236], 60.00th=[ 251], | 70.00th=[ 268], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 338], | 99.00th=[ 388], 99.50th=[ 393], 99.90th=[ 409], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 15, max= 167, per=24.76%, avg=83.18, stdev=29.07, samples=118 iops : min= 3, max= 41, avg=20.41, stdev= 7.29, samples=118 write: IOPS=22, BW=88.0KiB/s (90.2kB/s)(5256KiB/59694msec); 0 zone resets slat (usec): min=41, max=5899, avg=406.08, stdev=570.64 clat (msec): min=163, max=891, avg=490.58, stdev=126.83 lat (msec): min=163, max=891, avg=490.99, stdev=126.83 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 309], 10.00th=[ 342], 20.00th=[ 384], | 30.00th=[ 422], 40.00th=[ 447], 50.00th=[ 477], 60.00th=[ 502], | 70.00th=[ 542], 80.00th=[ 600], 90.00th=[ 684], 95.00th=[ 735], | 99.00th=[ 793], 99.50th=[ 810], 99.90th=[ 827], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 31, max= 167, per=24.92%, avg=86.97, stdev=25.55, samples=118 iops : min= 7, max= 41, avg=21.35, stdev= 6.39, samples=118 lat (msec) : 10=0.04%, 20=0.12%, 50=0.12%, 100=0.20%, 250=29.26% lat (msec) : 500=49.38%, 750=19.22%, 1000=1.68% cpu : usr=0.16%, sys=1.28%, ctx=5296, 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=146160: Sun Jun 7 14:21:27 2026 read: IOPS=21, BW=85.3KiB/s (87.3kB/s)(5060KiB/59335msec) slat (usec): min=2661, max=34373, avg=8276.55, stdev=3512.75 clat (msec): min=7, max=630, avg=238.84, stdev=58.86 lat (msec): min=12, max=637, avg=247.13, stdev=59.35 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 155], 10.00th=[ 174], 20.00th=[ 194], | 30.00th=[ 209], 40.00th=[ 222], 50.00th=[ 236], 60.00th=[ 249], | 70.00th=[ 264], 80.00th=[ 284], 90.00th=[ 313], 95.00th=[ 338], | 99.00th=[ 384], 99.50th=[ 414], 99.90th=[ 625], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 8, max= 168, per=25.17%, avg=84.58, stdev=30.81, samples=118 iops : min= 2, max= 42, avg=20.75, stdev= 7.68, samples=118 write: IOPS=21, BW=87.3KiB/s (89.4kB/s)(5180KiB/59335msec); 0 zone resets slat (usec): min=55, max=4791, avg=399.60, stdev=516.47 clat (msec): min=95, max=872, avg=489.81, stdev=128.48 lat (msec): min=95, max=872, avg=490.22, stdev=128.51 clat percentiles (msec): | 1.00th=[ 251], 5.00th=[ 305], 10.00th=[ 338], 20.00th=[ 384], | 30.00th=[ 414], 40.00th=[ 439], 50.00th=[ 468], 60.00th=[ 506], | 70.00th=[ 542], 80.00th=[ 592], 90.00th=[ 676], 95.00th=[ 726], | 99.00th=[ 810], 99.50th=[ 818], 99.90th=[ 844], 99.95th=[ 869], | 99.99th=[ 869] bw ( KiB/s): min= 32, max= 144, per=24.80%, avg=86.54, stdev=24.65, samples=118 iops : min= 8, max= 36, avg=21.24, stdev= 6.21, samples=118 lat (msec) : 10=0.04%, 50=0.08%, 100=0.27%, 250=30.43%, 500=48.12% lat (msec) : 750=18.95%, 1000=2.11% cpu : usr=0.16%, sys=1.28%, ctx=5325, 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=336KiB/s (344kB/s), 83.4KiB/s-85.3KiB/s (85.4kB/s-87.4kB/s), io=19.6MiB (20.5MB), run=59145-59694msec WRITE: bw=350KiB/s (358kB/s), 87.3KiB/s-88.2KiB/s (89.4kB/s-90.3kB/s), io=20.4MiB (21.4MB), run=59145-59694msec 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=146172: Sun Jun 7 14:21:33 2026 read: IOPS=3, BW=144MiB/s (151MB/s)(40.0MiB/278msec) slat (nsec): min=23952k, max=23952k, avg=23951731.00, stdev= 0.00 clat (nsec): min=236293k, max=236293k, avg=236292946.00, stdev= 0.00 lat (nsec): min=260249k, max=260249k, avg=260249354.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 236], 5.00th=[ 236], 10.00th=[ 236], 20.00th=[ 236], | 30.00th=[ 236], 40.00th=[ 236], 50.00th=[ 236], 60.00th=[ 236], | 70.00th=[ 236], 80.00th=[ 236], 90.00th=[ 236], 95.00th=[ 236], | 99.00th=[ 236], 99.50th=[ 236], 99.90th=[ 236], 99.95th=[ 236], | 99.99th=[ 236] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=5.78%, ctx=13, 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=144MiB/s (151MB/s), 144MiB/s-144MiB/s (151MB/s-151MB/s), io=40.0MiB (41.9MB), run=278-278msec 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