== sanity test 398c: run fio to test AIO ================= 16:32:29 (1781209949) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.217582 s, 193 MB/s osc.lustre-OST0000-osc-ffff97f7aa4fd800.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=154225: Thu Jun 11 16:33:51 2026 write: IOPS=33, BW=134KiB/s (137kB/s)(10.0MiB/76496msec); 0 zone resets slat (usec): min=37, max=5979, avg=285.30, stdev=392.36 clat (msec): min=125, max=854, avg=477.35, stdev=125.56 lat (msec): min=125, max=854, avg=477.64, stdev=125.59 clat percentiles (msec): | 1.00th=[ 243], 5.00th=[ 300], 10.00th=[ 326], 20.00th=[ 368], | 30.00th=[ 401], 40.00th=[ 435], 50.00th=[ 464], 60.00th=[ 502], | 70.00th=[ 542], 80.00th=[ 584], 90.00th=[ 651], 95.00th=[ 701], | 99.00th=[ 793], 99.50th=[ 810], 99.90th=[ 835], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 32, max= 248, per=24.91%, avg=133.26, stdev=37.26, samples=152 iops : min= 8, max= 62, avg=32.96, stdev= 9.38, samples=152 lat (msec) : 250=1.25%, 500=58.48%, 750=38.12%, 1000=2.15% cpu : usr=0.07%, sys=0.60%, ctx=3111, 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=154226: Thu Jun 11 16:33:51 2026 write: IOPS=33, BW=134KiB/s (137kB/s)(10.0MiB/76540msec); 0 zone resets slat (usec): min=38, max=6518, avg=291.33, stdev=470.41 clat (msec): min=108, max=852, avg=477.58, stdev=127.35 lat (msec): min=109, max=852, avg=477.87, stdev=127.38 clat percentiles (msec): | 1.00th=[ 249], 5.00th=[ 296], 10.00th=[ 321], 20.00th=[ 363], | 30.00th=[ 397], 40.00th=[ 430], 50.00th=[ 464], 60.00th=[ 498], | 70.00th=[ 542], 80.00th=[ 592], 90.00th=[ 659], 95.00th=[ 701], | 99.00th=[ 802], 99.50th=[ 810], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 39, max= 240, per=24.81%, avg=132.75, stdev=38.23, samples=152 iops : min= 9, max= 60, avg=32.84, stdev= 9.61, samples=152 lat (msec) : 250=1.02%, 500=59.18%, 750=36.91%, 1000=2.89% cpu : usr=0.07%, sys=0.59%, ctx=2909, 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=154227: Thu Jun 11 16:33:51 2026 write: IOPS=33, BW=134KiB/s (137kB/s)(10.0MiB/76434msec); 0 zone resets slat (usec): min=41, max=5183, avg=292.88, stdev=391.88 clat (msec): min=83, max=883, avg=477.10, stdev=127.38 lat (msec): min=84, max=883, avg=477.40, stdev=127.41 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 300], 10.00th=[ 321], 20.00th=[ 363], | 30.00th=[ 405], 40.00th=[ 435], 50.00th=[ 468], 60.00th=[ 493], | 70.00th=[ 542], 80.00th=[ 584], 90.00th=[ 659], 95.00th=[ 709], | 99.00th=[ 793], 99.50th=[ 818], 99.90th=[ 852], 99.95th=[ 852], | 99.99th=[ 885] bw ( KiB/s): min= 39, max= 256, per=24.90%, avg=133.21, stdev=39.29, samples=152 iops : min= 9, max= 64, avg=32.95, stdev= 9.86, samples=152 lat (msec) : 100=0.04%, 250=1.56%, 500=59.88%, 750=36.05%, 1000=2.46% cpu : usr=0.09%, sys=0.59%, ctx=2995, 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=154228: Thu Jun 11 16:33:51 2026 write: IOPS=33, BW=134KiB/s (137kB/s)(10.0MiB/76496msec); 0 zone resets slat (usec): min=36, max=5961, avg=283.14, stdev=399.92 clat (msec): min=52, max=852, avg=477.37, stdev=124.86 lat (msec): min=52, max=852, avg=477.65, stdev=124.87 clat percentiles (msec): | 1.00th=[ 243], 5.00th=[ 300], 10.00th=[ 321], 20.00th=[ 363], | 30.00th=[ 401], 40.00th=[ 435], 50.00th=[ 468], 60.00th=[ 502], | 70.00th=[ 542], 80.00th=[ 584], 90.00th=[ 659], 95.00th=[ 709], | 99.00th=[ 785], 99.50th=[ 810], 99.90th=[ 844], 99.95th=[ 852], | 99.99th=[ 852] bw ( KiB/s): min= 39, max= 240, per=24.91%, avg=133.27, stdev=36.27, samples=152 iops : min= 9, max= 60, avg=32.97, stdev= 9.13, samples=152 lat (msec) : 100=0.04%, 250=1.25%, 500=58.71%, 750=37.85%, 1000=2.15% cpu : usr=0.07%, sys=0.57%, ctx=2923, 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=535KiB/s (548kB/s), 134KiB/s-134KiB/s (137kB/s-137kB/s), io=40.0MiB (41.9MB), run=76434-76540msec 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=154248: Thu Jun 11 16:34:44 2026 read: IOPS=25, BW=103KiB/s (105kB/s)(5048KiB/49011msec) slat (usec): min=1935, max=20262, avg=6144.83, stdev=2828.63 clat (msec): min=7, max=363, avg=190.12, stdev=51.95 lat (msec): min=11, max=375, avg=196.27, stdev=52.74 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 114], 10.00th=[ 130], 20.00th=[ 146], | 30.00th=[ 161], 40.00th=[ 174], 50.00th=[ 186], 60.00th=[ 199], | 70.00th=[ 215], 80.00th=[ 236], 90.00th=[ 262], 95.00th=[ 275], | 99.00th=[ 317], 99.50th=[ 342], 99.90th=[ 351], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 32, max= 216, per=25.21%, avg=102.86, stdev=36.47, samples=97 iops : min= 8, max= 54, avg=25.40, stdev= 9.22, samples=97 write: IOPS=26, BW=106KiB/s (108kB/s)(5192KiB/49011msec); 0 zone resets slat (usec): min=55, max=4823, avg=311.85, stdev=380.82 clat (msec): min=106, max=794, avg=411.85, stdev=129.50 lat (msec): min=106, max=794, avg=412.16, stdev=129.53 clat percentiles (msec): | 1.00th=[ 155], 5.00th=[ 230], 10.00th=[ 268], 20.00th=[ 296], | 30.00th=[ 326], 40.00th=[ 355], 50.00th=[ 388], 60.00th=[ 439], | 70.00th=[ 485], 80.00th=[ 535], 90.00th=[ 584], 95.00th=[ 642], | 99.00th=[ 718], 99.50th=[ 743], 99.90th=[ 776], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 31, max= 208, per=24.81%, avg=105.42, stdev=32.29, samples=97 iops : min= 7, max= 52, avg=26.05, stdev= 8.13, samples=97 lat (msec) : 10=0.04%, 50=0.31%, 100=1.05%, 250=45.12%, 500=40.08% lat (msec) : 750=13.16%, 1000=0.23% cpu : usr=0.11%, sys=1.31%, ctx=5220, 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=154249: Thu Jun 11 16:34:44 2026 read: IOPS=25, BW=101KiB/s (104kB/s)(4976KiB/49098msec) slat (usec): min=2067, max=35014, avg=6173.82, stdev=2891.51 clat (msec): min=18, max=386, avg=192.07, stdev=52.89 lat (msec): min=23, max=391, avg=198.25, stdev=53.71 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 115], 10.00th=[ 128], 20.00th=[ 148], | 30.00th=[ 161], 40.00th=[ 176], 50.00th=[ 188], 60.00th=[ 201], | 70.00th=[ 220], 80.00th=[ 239], 90.00th=[ 262], 95.00th=[ 279], | 99.00th=[ 321], 99.50th=[ 338], 99.90th=[ 380], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 7, max= 224, per=24.62%, avg=100.43, stdev=41.87, samples=97 iops : min= 1, max= 56, avg=24.79, stdev=10.54, samples=97 write: IOPS=26, BW=107KiB/s (110kB/s)(5264KiB/49098msec); 0 zone resets slat (usec): min=38, max=3806, avg=292.91, stdev=340.47 clat (msec): min=42, max=814, avg=408.34, stdev=130.54 lat (msec): min=42, max=814, avg=408.63, stdev=130.54 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 228], 10.00th=[ 266], 20.00th=[ 296], | 30.00th=[ 326], 40.00th=[ 355], 50.00th=[ 384], 60.00th=[ 430], | 70.00th=[ 481], 80.00th=[ 535], 90.00th=[ 592], 95.00th=[ 634], | 99.00th=[ 735], 99.50th=[ 743], 99.90th=[ 785], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 39, max= 191, per=25.07%, avg=106.54, stdev=34.35, samples=97 iops : min= 9, max= 47, avg=26.32, stdev= 8.66, samples=97 lat (msec) : 20=0.04%, 50=0.31%, 100=0.98%, 250=43.91%, 500=41.13% lat (msec) : 750=13.40%, 1000=0.23% cpu : usr=0.15%, sys=1.29%, ctx=5164, 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=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=154250: Thu Jun 11 16:34:44 2026 read: IOPS=25, BW=102KiB/s (104kB/s)(4984KiB/49085msec) slat (usec): min=62, max=22796, avg=6161.30, stdev=2744.99 clat (msec): min=6, max=378, avg=192.76, stdev=52.55 lat (msec): min=11, max=390, avg=198.93, stdev=53.43 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 117], 10.00th=[ 129], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 176], 50.00th=[ 188], 60.00th=[ 201], | 70.00th=[ 218], 80.00th=[ 239], 90.00th=[ 262], 95.00th=[ 284], | 99.00th=[ 330], 99.50th=[ 347], 99.90th=[ 363], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 23, max= 224, per=24.87%, avg=101.45, stdev=39.37, samples=97 iops : min= 5, max= 56, avg=25.05, stdev= 9.92, samples=97 write: IOPS=26, BW=107KiB/s (110kB/s)(5256KiB/49085msec); 0 zone resets slat (usec): min=44, max=4562, avg=283.17, stdev=328.21 clat (msec): min=79, max=778, avg=408.43, stdev=129.64 lat (msec): min=79, max=778, avg=408.71, stdev=129.64 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 218], 10.00th=[ 264], 20.00th=[ 296], | 30.00th=[ 330], 40.00th=[ 355], 50.00th=[ 393], 60.00th=[ 435], | 70.00th=[ 477], 80.00th=[ 531], 90.00th=[ 592], 95.00th=[ 625], | 99.00th=[ 726], 99.50th=[ 768], 99.90th=[ 776], 99.95th=[ 776], | 99.99th=[ 776] bw ( KiB/s): min= 55, max= 208, per=24.92%, avg=105.92, stdev=31.53, samples=97 iops : min= 13, max= 52, avg=26.16, stdev= 7.95, samples=97 lat (msec) : 10=0.04%, 20=0.12%, 50=0.16%, 100=0.82%, 250=44.22% lat (msec) : 500=41.64%, 750=12.66%, 1000=0.35% cpu : usr=0.18%, sys=1.20%, ctx=4992, 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=154251: Thu Jun 11 16:34:44 2026 read: IOPS=25, BW=103KiB/s (106kB/s)(5060KiB/49039msec) slat (usec): min=1848, max=22232, avg=6169.76, stdev=2726.29 clat (msec): min=17, max=367, avg=190.51, stdev=53.29 lat (msec): min=22, max=370, avg=196.69, stdev=54.05 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 112], 10.00th=[ 129], 20.00th=[ 146], | 30.00th=[ 161], 40.00th=[ 174], 50.00th=[ 186], 60.00th=[ 199], | 70.00th=[ 218], 80.00th=[ 236], 90.00th=[ 262], 95.00th=[ 279], | 99.00th=[ 330], 99.50th=[ 338], 99.90th=[ 351], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 40, max= 208, per=25.27%, avg=103.08, stdev=36.61, samples=97 iops : min= 10, max= 52, avg=25.46, stdev= 9.23, samples=97 write: IOPS=26, BW=106KiB/s (108kB/s)(5180KiB/49039msec); 0 zone resets slat (usec): min=42, max=6981, avg=319.80, stdev=443.68 clat (msec): min=61, max=793, avg=412.17, stdev=128.47 lat (msec): min=62, max=793, avg=412.50, stdev=128.46 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 232], 10.00th=[ 264], 20.00th=[ 296], | 30.00th=[ 326], 40.00th=[ 363], 50.00th=[ 401], 60.00th=[ 443], | 70.00th=[ 485], 80.00th=[ 531], 90.00th=[ 584], 95.00th=[ 634], | 99.00th=[ 735], 99.50th=[ 751], 99.90th=[ 785], 99.95th=[ 793], | 99.99th=[ 793] bw ( KiB/s): min= 40, max= 200, per=24.69%, avg=104.93, stdev=32.18, samples=97 iops : min= 10, max= 50, avg=25.93, stdev= 8.11, samples=97 lat (msec) : 20=0.08%, 50=0.43%, 100=0.82%, 250=44.84%, 500=40.47% lat (msec) : 750=13.16%, 1000=0.20% cpu : usr=0.16%, sys=1.34%, ctx=5327, 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=409KiB/s (419kB/s), 101KiB/s-103KiB/s (104kB/s-106kB/s), io=19.6MiB (20.5MB), run=49011-49098msec WRITE: bw=426KiB/s (436kB/s), 106KiB/s-107KiB/s (108kB/s-110kB/s), io=20.4MiB (21.4MB), run=49011-49098msec 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=154263: Thu Jun 11 16:34:48 2026 read: IOPS=4, BW=183MiB/s (192MB/s)(40.0MiB/218msec) slat (nsec): min=17774k, max=17774k, avg=17773828.00, stdev= 0.00 clat (nsec): min=190625k, max=190625k, avg=190624710.00, stdev= 0.00 lat (nsec): min=208403k, max=208403k, avg=208403109.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 190], 5.00th=[ 190], 10.00th=[ 190], 20.00th=[ 190], | 30.00th=[ 190], 40.00th=[ 190], 50.00th=[ 190], 60.00th=[ 190], | 70.00th=[ 190], 80.00th=[ 190], 90.00th=[ 190], 95.00th=[ 190], | 99.00th=[ 190], 99.50th=[ 190], 99.90th=[ 190], 99.95th=[ 190], | 99.99th=[ 190] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=6.91%, ctx=5, 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=183MiB/s (192MB/s), 183MiB/s-183MiB/s (192MB/s-192MB/s), io=40.0MiB (41.9MB), run=218-218msec 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