== sanity test 398c: run fio to test AIO ================= 03:59:27 (1780387167) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.165617 s, 253 MB/s osc.lustre-OST0000-osc-ffff9215c5246000.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=149902: Tue Jun 2 04:00:06 2026 write: IOPS=73, BW=295KiB/s (302kB/s)(10.0MiB/34685msec); 0 zone resets slat (usec): min=37, max=2954, avg=240.94, stdev=153.72 clat (msec): min=23, max=374, avg=216.41, stdev=45.38 lat (msec): min=24, max=374, avg=216.65, stdev=45.38 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 138], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 199], 40.00th=[ 207], 50.00th=[ 218], 60.00th=[ 228], | 70.00th=[ 239], 80.00th=[ 251], 90.00th=[ 268], 95.00th=[ 288], | 99.00th=[ 334], 99.50th=[ 351], 99.90th=[ 359], 99.95th=[ 368], | 99.99th=[ 376] bw ( KiB/s): min= 208, max= 588, per=24.87%, avg=292.99, stdev=56.95, samples=69 iops : min= 52, max= 147, avg=73.20, stdev=14.24, samples=69 lat (msec) : 50=0.47%, 100=1.25%, 250=78.36%, 500=19.92% cpu : usr=0.14%, sys=1.43%, ctx=2749, 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=149903: Tue Jun 2 04:00:06 2026 write: IOPS=73, BW=295KiB/s (302kB/s)(10.0MiB/34746msec); 0 zone resets slat (usec): min=44, max=3122, avg=231.17, stdev=154.57 clat (msec): min=72, max=373, avg=216.72, stdev=43.90 lat (msec): min=72, max=374, avg=216.95, stdev=43.91 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 138], 10.00th=[ 167], 20.00th=[ 188], | 30.00th=[ 197], 40.00th=[ 207], 50.00th=[ 218], 60.00th=[ 228], | 70.00th=[ 239], 80.00th=[ 251], 90.00th=[ 271], 95.00th=[ 284], | 99.00th=[ 321], 99.50th=[ 342], 99.90th=[ 363], 99.95th=[ 368], | 99.99th=[ 376] bw ( KiB/s): min= 208, max= 516, per=24.89%, avg=293.22, stdev=51.93, samples=69 iops : min= 52, max= 129, avg=73.26, stdev=13.00, samples=69 lat (msec) : 100=1.33%, 250=77.27%, 500=21.41% cpu : usr=0.12%, sys=1.38%, ctx=2696, 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=149904: Tue Jun 2 04:00:06 2026 write: IOPS=73, BW=295KiB/s (302kB/s)(10.0MiB/34716msec); 0 zone resets slat (usec): min=49, max=2405, avg=230.92, stdev=145.07 clat (msec): min=72, max=366, avg=216.55, stdev=43.68 lat (msec): min=72, max=367, avg=216.78, stdev=43.69 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 138], 10.00th=[ 167], 20.00th=[ 188], | 30.00th=[ 199], 40.00th=[ 209], 50.00th=[ 218], 60.00th=[ 226], | 70.00th=[ 239], 80.00th=[ 249], 90.00th=[ 271], 95.00th=[ 284], | 99.00th=[ 330], 99.50th=[ 342], 99.90th=[ 359], 99.95th=[ 363], | 99.99th=[ 368] bw ( KiB/s): min= 216, max= 516, per=24.89%, avg=293.22, stdev=50.74, samples=69 iops : min= 54, max= 129, avg=73.26, stdev=12.70, samples=69 lat (msec) : 100=1.45%, 250=79.30%, 500=19.26% cpu : usr=0.14%, sys=1.37%, ctx=2715, 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=149905: Tue Jun 2 04:00:06 2026 write: IOPS=73, BW=295KiB/s (302kB/s)(10.0MiB/34746msec); 0 zone resets slat (usec): min=40, max=3070, avg=229.89, stdev=143.95 clat (msec): min=72, max=363, avg=216.73, stdev=43.82 lat (msec): min=72, max=364, avg=216.96, stdev=43.83 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 142], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 199], 40.00th=[ 209], 50.00th=[ 218], 60.00th=[ 226], | 70.00th=[ 236], 80.00th=[ 249], 90.00th=[ 268], 95.00th=[ 292], | 99.00th=[ 334], 99.50th=[ 342], 99.90th=[ 355], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 200, max= 516, per=24.88%, avg=293.10, stdev=48.58, samples=69 iops : min= 50, max= 129, avg=73.23, stdev=12.15, samples=69 lat (msec) : 100=1.29%, 250=79.84%, 500=18.87% cpu : usr=0.14%, sys=1.38%, ctx=2814, 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=1179KiB/s (1207kB/s), 295KiB/s-295KiB/s (302kB/s-302kB/s), io=40.0MiB (41.9MB), run=34685-34746msec 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=149919: Tue Jun 2 04:00:32 2026 read: IOPS=55, BW=223KiB/s (229kB/s)(5048KiB/22610msec) slat (usec): min=56, max=7443, avg=2918.99, stdev=971.51 clat (msec): min=3, max=239, avg=90.44, stdev=20.04 lat (msec): min=6, max=241, avg=93.37, stdev=20.24 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 64], 10.00th=[ 69], 20.00th=[ 78], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 90], 60.00th=[ 94], | 70.00th=[ 100], 80.00th=[ 105], 90.00th=[ 113], 95.00th=[ 122], | 99.00th=[ 142], 99.50th=[ 150], 99.90th=[ 222], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 119, max= 304, per=25.31%, avg=222.98, stdev=50.81, samples=44 iops : min= 29, max= 76, avg=55.70, stdev=12.73, samples=44 write: IOPS=57, BW=230KiB/s (235kB/s)(5192KiB/22610msec); 0 zone resets slat (usec): min=56, max=1419, avg=210.49, stdev=114.75 clat (msec): min=27, max=360, avg=187.48, stdev=46.79 lat (msec): min=27, max=360, avg=187.69, stdev=46.80 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 117], 10.00th=[ 130], 20.00th=[ 150], | 30.00th=[ 165], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 197], | 70.00th=[ 207], 80.00th=[ 220], 90.00th=[ 251], 95.00th=[ 271], | 99.00th=[ 313], 99.50th=[ 330], 99.90th=[ 359], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 144, max= 312, per=25.00%, avg=229.27, stdev=38.27, samples=44 iops : min= 36, max= 78, avg=57.27, stdev= 9.54, samples=44 lat (msec) : 4=0.04%, 10=0.08%, 20=0.16%, 50=1.09%, 100=35.16% lat (msec) : 250=58.24%, 500=5.23% cpu : usr=0.25%, sys=2.30%, ctx=4876, 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=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=149920: Tue Jun 2 04:00:32 2026 read: IOPS=54, BW=219KiB/s (224kB/s)(4976KiB/22747msec) slat (usec): min=1210, max=8149, avg=2894.68, stdev=974.09 clat (msec): min=5, max=153, avg=90.32, stdev=17.90 lat (msec): min=8, max=155, avg=93.22, stdev=18.03 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 65], 10.00th=[ 71], 20.00th=[ 78], | 30.00th=[ 82], 40.00th=[ 87], 50.00th=[ 91], 60.00th=[ 94], | 70.00th=[ 100], 80.00th=[ 104], 90.00th=[ 112], 95.00th=[ 120], | 99.00th=[ 136], 99.50th=[ 144], 99.90th=[ 153], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 96, max= 368, per=24.69%, avg=217.53, stdev=57.32, samples=45 iops : min= 24, max= 92, avg=54.33, stdev=14.33, samples=45 write: IOPS=57, BW=231KiB/s (237kB/s)(5264KiB/22747msec); 0 zone resets slat (usec): min=56, max=1480, avg=208.44, stdev=117.92 clat (msec): min=34, max=360, avg=187.87, stdev=47.12 lat (msec): min=34, max=360, avg=188.08, stdev=47.13 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 117], 10.00th=[ 134], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 194], | 70.00th=[ 207], 80.00th=[ 224], 90.00th=[ 251], 95.00th=[ 271], | 99.00th=[ 317], 99.50th=[ 334], 99.90th=[ 355], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 152, max= 296, per=25.20%, avg=231.04, stdev=32.38, samples=45 iops : min= 38, max= 74, avg=57.71, stdev= 8.07, samples=45 lat (msec) : 10=0.12%, 20=0.23%, 50=0.51%, 100=35.55%, 250=58.32% lat (msec) : 500=5.27% cpu : usr=0.27%, sys=2.26%, ctx=4867, 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=149921: Tue Jun 2 04:00:32 2026 read: IOPS=54, BW=219KiB/s (224kB/s)(4984KiB/22772msec) slat (usec): min=1186, max=8059, avg=2930.64, stdev=929.72 clat (msec): min=4, max=154, avg=90.04, stdev=17.55 lat (msec): min=7, max=158, avg=92.97, stdev=17.70 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 64], 10.00th=[ 70], 20.00th=[ 79], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 89], 60.00th=[ 94], | 70.00th=[ 99], 80.00th=[ 104], 90.00th=[ 112], 95.00th=[ 120], | 99.00th=[ 136], 99.50th=[ 150], 99.90th=[ 155], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 120, max= 368, per=24.80%, avg=218.47, stdev=56.33, samples=45 iops : min= 30, max= 92, avg=54.58, stdev=14.07, samples=45 write: IOPS=57, BW=231KiB/s (236kB/s)(5256KiB/22772msec); 0 zone resets slat (usec): min=40, max=1148, avg=209.84, stdev=111.08 clat (msec): min=63, max=340, avg=188.37, stdev=46.22 lat (msec): min=63, max=340, avg=188.58, stdev=46.23 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 118], 10.00th=[ 131], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 197], | 70.00th=[ 209], 80.00th=[ 222], 90.00th=[ 251], 95.00th=[ 275], | 99.00th=[ 309], 99.50th=[ 317], 99.90th=[ 338], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 135, max= 312, per=25.04%, avg=229.62, stdev=33.01, samples=45 iops : min= 33, max= 78, avg=57.36, stdev= 8.29, samples=45 lat (msec) : 10=0.08%, 20=0.08%, 50=0.35%, 100=36.33%, 250=57.93% lat (msec) : 500=5.23% cpu : usr=0.25%, sys=2.33%, ctx=4876, 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=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=149922: Tue Jun 2 04:00:32 2026 read: IOPS=55, BW=223KiB/s (229kB/s)(5060KiB/22654msec) slat (usec): min=1246, max=6683, avg=2957.54, stdev=933.61 clat (msec): min=6, max=164, avg=90.05, stdev=17.69 lat (msec): min=11, max=165, avg=93.01, stdev=17.78 clat percentiles (msec): | 1.00th=[ 52], 5.00th=[ 65], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 81], 40.00th=[ 86], 50.00th=[ 89], 60.00th=[ 94], | 70.00th=[ 100], 80.00th=[ 104], 90.00th=[ 112], 95.00th=[ 120], | 99.00th=[ 136], 99.50th=[ 148], 99.90th=[ 153], 99.95th=[ 165], | 99.99th=[ 165] bw ( KiB/s): min= 127, max= 320, per=25.43%, avg=224.00, stdev=46.64, samples=44 iops : min= 31, max= 80, avg=55.95, stdev=11.68, samples=44 write: IOPS=57, BW=229KiB/s (234kB/s)(5180KiB/22654msec); 0 zone resets slat (usec): min=58, max=5374, avg=214.51, stdev=176.25 clat (msec): min=57, max=353, avg=188.33, stdev=45.50 lat (msec): min=57, max=353, avg=188.55, stdev=45.50 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 121], 10.00th=[ 132], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 199], | 70.00th=[ 209], 80.00th=[ 226], 90.00th=[ 249], 95.00th=[ 271], | 99.00th=[ 313], 99.50th=[ 317], 99.90th=[ 351], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 144, max= 312, per=24.78%, avg=227.27, stdev=37.46, samples=44 iops : min= 36, max= 78, avg=56.77, stdev= 9.35, samples=44 lat (msec) : 10=0.04%, 20=0.20%, 50=0.23%, 100=36.09%, 250=58.48% lat (msec) : 500=4.96% cpu : usr=0.28%, sys=2.31%, ctx=4917, 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=881KiB/s (902kB/s), 219KiB/s-223KiB/s (224kB/s-229kB/s), io=19.6MiB (20.5MB), run=22610-22772msec WRITE: bw=917KiB/s (939kB/s), 229KiB/s-231KiB/s (234kB/s-237kB/s), io=20.4MiB (21.4MB), run=22610-22772msec 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=149929: Tue Jun 2 04:00:35 2026 read: IOPS=9, BW=392MiB/s (411MB/s)(40.0MiB/102msec) slat (nsec): min=8705.7k, max=8705.7k, avg=8705716.00, stdev= 0.00 clat (nsec): min=88164k, max=88164k, avg=88164417.00, stdev= 0.00 lat (nsec): min=96874k, max=96874k, avg=96874360.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[88605], 5.00th=[88605], 10.00th=[88605], 20.00th=[88605], | 30.00th=[88605], 40.00th=[88605], 50.00th=[88605], 60.00th=[88605], | 70.00th=[88605], 80.00th=[88605], 90.00th=[88605], 95.00th=[88605], | 99.00th=[88605], 99.50th=[88605], 99.90th=[88605], 99.95th=[88605], | 99.99th=[88605] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=6.93%, ctx=25, 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=392MiB/s (411MB/s), 392MiB/s-392MiB/s (411MB/s-411MB/s), io=40.0MiB (41.9MB), run=102-102msec 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