== sanity test 398c: run fio to test AIO ================= 23:09:16 (1770437356) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.156643 s, 268 MB/s osc.lustre-OST0000-osc-ffffa00b9e4ba000.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=160162: Fri Feb 6 23:09:54 2026 write: IOPS=73, BW=294KiB/s (301kB/s)(10.0MiB/34847msec); 0 zone resets slat (usec): min=29, max=686, avg=141.75, stdev=71.80 clat (msec): min=82, max=351, avg=217.39, stdev=41.05 lat (msec): min=83, max=351, avg=217.53, stdev=41.06 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 144], 10.00th=[ 165], 20.00th=[ 188], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 220], 60.00th=[ 228], | 70.00th=[ 239], 80.00th=[ 251], 90.00th=[ 268], 95.00th=[ 279], | 99.00th=[ 309], 99.50th=[ 317], 99.90th=[ 338], 99.95th=[ 342], | 99.99th=[ 351] bw ( KiB/s): min= 232, max= 510, per=24.92%, avg=292.84, stdev=45.88, samples=69 iops : min= 58, max= 127, avg=73.20, stdev=11.44, samples=69 lat (msec) : 100=0.20%, 250=79.57%, 500=20.23% cpu : usr=0.18%, sys=0.91%, ctx=2725, majf=0, minf=7 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=160163: Fri Feb 6 23:09:54 2026 write: IOPS=73, BW=294KiB/s (301kB/s)(10.0MiB/34859msec); 0 zone resets slat (usec): min=23, max=540, avg=140.52, stdev=72.56 clat (msec): min=93, max=337, avg=217.48, stdev=41.42 lat (msec): min=93, max=337, avg=217.63, stdev=41.43 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 144], 10.00th=[ 167], 20.00th=[ 188], | 30.00th=[ 199], 40.00th=[ 209], 50.00th=[ 220], 60.00th=[ 228], | 70.00th=[ 239], 80.00th=[ 251], 90.00th=[ 271], 95.00th=[ 284], | 99.00th=[ 313], 99.50th=[ 317], 99.90th=[ 334], 99.95th=[ 334], | 99.99th=[ 338] bw ( KiB/s): min= 224, max= 510, per=24.88%, avg=292.38, stdev=47.99, samples=69 iops : min= 56, max= 127, avg=73.09, stdev=11.97, samples=69 lat (msec) : 100=0.08%, 250=79.10%, 500=20.82% cpu : usr=0.13%, sys=0.94%, ctx=2843, 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=160164: Fri Feb 6 23:09:54 2026 write: IOPS=73, BW=294KiB/s (301kB/s)(10.0MiB/34807msec); 0 zone resets slat (usec): min=24, max=494, avg=136.69, stdev=73.26 clat (msec): min=38, max=385, avg=217.27, stdev=43.41 lat (msec): min=38, max=385, avg=217.41, stdev=43.43 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 140], 10.00th=[ 165], 20.00th=[ 188], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 220], 60.00th=[ 228], | 70.00th=[ 239], 80.00th=[ 251], 90.00th=[ 268], 95.00th=[ 279], | 99.00th=[ 317], 99.50th=[ 330], 99.90th=[ 372], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 184, max= 612, per=24.92%, avg=292.81, stdev=54.97, samples=69 iops : min= 46, max= 153, avg=73.20, stdev=13.74, samples=69 lat (msec) : 50=0.62%, 100=0.04%, 250=78.48%, 500=20.86% cpu : usr=0.12%, sys=0.92%, ctx=2882, 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=160165: Fri Feb 6 23:09:54 2026 write: IOPS=73, BW=294KiB/s (301kB/s)(10.0MiB/34821msec); 0 zone resets slat (usec): min=31, max=604, avg=142.69, stdev=72.58 clat (msec): min=34, max=383, avg=217.25, stdev=42.89 lat (msec): min=34, max=383, avg=217.39, stdev=42.90 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 144], 10.00th=[ 165], 20.00th=[ 188], | 30.00th=[ 201], 40.00th=[ 211], 50.00th=[ 220], 60.00th=[ 228], | 70.00th=[ 239], 80.00th=[ 251], 90.00th=[ 268], 95.00th=[ 279], | 99.00th=[ 313], 99.50th=[ 334], 99.90th=[ 355], 99.95th=[ 372], | 99.99th=[ 384] bw ( KiB/s): min= 216, max= 516, per=24.95%, avg=293.16, stdev=47.98, samples=69 iops : min= 54, max= 129, avg=73.29, stdev=11.99, samples=69 lat (msec) : 50=0.35%, 100=0.59%, 250=78.16%, 500=20.90% cpu : usr=0.18%, sys=0.91%, ctx=2937, 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=1175KiB/s (1203kB/s), 294KiB/s-294KiB/s (301kB/s-301kB/s), io=40.0MiB (41.9MB), run=34807-34859msec 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=160180: Fri Feb 6 23:10:20 2026 read: IOPS=55, BW=222KiB/s (227kB/s)(5048KiB/22773msec) slat (usec): min=1040, max=7440, avg=2950.99, stdev=1129.84 clat (msec): min=4, max=209, avg=89.45, stdev=17.96 lat (msec): min=8, max=211, avg=92.40, stdev=18.10 clat percentiles (msec): | 1.00th=[ 42], 5.00th=[ 64], 10.00th=[ 69], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 90], 60.00th=[ 93], | 70.00th=[ 99], 80.00th=[ 104], 90.00th=[ 111], 95.00th=[ 117], | 99.00th=[ 128], 99.50th=[ 136], 99.90th=[ 192], 99.95th=[ 209], | 99.99th=[ 209] bw ( KiB/s): min= 104, max= 304, per=25.23%, avg=222.00, stdev=49.28, samples=45 iops : min= 26, max= 76, avg=55.49, stdev=12.32, samples=45 write: IOPS=56, BW=228KiB/s (233kB/s)(5192KiB/22773msec); 0 zone resets slat (usec): min=26, max=2077, avg=115.98, stdev=81.95 clat (msec): min=56, max=330, avg=190.21, stdev=45.68 lat (msec): min=56, max=330, avg=190.33, stdev=45.68 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 117], 10.00th=[ 130], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 180], 50.00th=[ 192], 60.00th=[ 205], | 70.00th=[ 215], 80.00th=[ 230], 90.00th=[ 249], 95.00th=[ 268], | 99.00th=[ 292], 99.50th=[ 300], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 168, max= 288, per=24.83%, avg=227.44, stdev=30.92, samples=45 iops : min= 42, max= 72, avg=56.84, stdev= 7.70, samples=45 lat (msec) : 10=0.04%, 20=0.23%, 50=0.55%, 100=36.76%, 250=57.54% lat (msec) : 500=4.88% cpu : usr=0.20%, sys=1.51%, ctx=4936, 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=160181: Fri Feb 6 23:10:20 2026 read: IOPS=54, BW=218KiB/s (223kB/s)(4976KiB/22801msec) slat (usec): min=1077, max=74810, avg=3051.65, stdev=2339.66 clat (msec): min=4, max=155, avg=89.18, stdev=17.63 lat (msec): min=8, max=156, avg=92.23, stdev=17.57 clat percentiles (msec): | 1.00th=[ 25], 5.00th=[ 64], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 86], 50.00th=[ 90], 60.00th=[ 94], | 70.00th=[ 99], 80.00th=[ 104], 90.00th=[ 111], 95.00th=[ 116], | 99.00th=[ 127], 99.50th=[ 130], 99.90th=[ 148], 99.95th=[ 155], | 99.99th=[ 155] bw ( KiB/s): min= 88, max= 328, per=24.59%, avg=216.38, stdev=53.92, samples=45 iops : min= 22, max= 82, avg=54.09, stdev=13.48, samples=45 write: IOPS=57, BW=231KiB/s (236kB/s)(5264KiB/22801msec); 0 zone resets slat (usec): min=24, max=547, avg=113.18, stdev=63.95 clat (msec): min=20, max=315, avg=189.47, stdev=47.59 lat (msec): min=21, max=315, avg=189.59, stdev=47.59 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 112], 10.00th=[ 127], 20.00th=[ 148], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 192], 60.00th=[ 203], | 70.00th=[ 215], 80.00th=[ 230], 90.00th=[ 251], 95.00th=[ 268], | 99.00th=[ 292], 99.50th=[ 300], 99.90th=[ 313], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 168, max= 288, per=25.08%, avg=229.76, stdev=29.10, samples=45 iops : min= 42, max= 72, avg=57.42, stdev= 7.27, samples=45 lat (msec) : 10=0.16%, 20=0.20%, 50=0.51%, 100=36.21%, 250=57.38% lat (msec) : 500=5.55% cpu : usr=0.18%, sys=1.52%, ctx=4869, 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=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=160182: Fri Feb 6 23:10:20 2026 read: IOPS=54, BW=219KiB/s (224kB/s)(4984KiB/22746msec) slat (usec): min=32, max=74741, avg=3063.97, stdev=2336.97 clat (msec): min=5, max=270, avg=90.04, stdev=19.69 lat (msec): min=8, max=273, avg=93.11, stdev=19.76 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 65], 10.00th=[ 71], 20.00th=[ 77], | 30.00th=[ 83], 40.00th=[ 87], 50.00th=[ 90], 60.00th=[ 94], | 70.00th=[ 99], 80.00th=[ 104], 90.00th=[ 113], 95.00th=[ 118], | 99.00th=[ 130], 99.50th=[ 134], 99.90th=[ 271], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 136, max= 328, per=24.94%, avg=219.47, stdev=49.09, samples=45 iops : min= 34, max= 82, avg=54.87, stdev=12.27, samples=45 write: IOPS=57, BW=231KiB/s (237kB/s)(5256KiB/22746msec); 0 zone resets slat (usec): min=26, max=473, avg=113.09, stdev=62.48 clat (msec): min=38, max=356, avg=188.32, stdev=47.87 lat (msec): min=38, max=356, avg=188.44, stdev=47.88 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 113], 10.00th=[ 127], 20.00th=[ 146], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 192], 60.00th=[ 205], | 70.00th=[ 215], 80.00th=[ 228], 90.00th=[ 249], 95.00th=[ 264], | 99.00th=[ 292], 99.50th=[ 313], 99.90th=[ 359], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 160, max= 312, per=25.09%, avg=229.87, stdev=36.68, samples=45 iops : min= 40, max= 78, avg=57.47, stdev= 9.17, samples=45 lat (msec) : 10=0.12%, 20=0.51%, 50=0.66%, 100=36.09%, 250=57.54% lat (msec) : 500=5.08% cpu : usr=0.20%, sys=1.55%, ctx=4883, 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=160183: Fri Feb 6 23:10:20 2026 read: IOPS=55, BW=222KiB/s (228kB/s)(5060KiB/22773msec) slat (usec): min=1127, max=7828, avg=2979.75, stdev=1108.56 clat (msec): min=2, max=175, avg=89.82, stdev=17.07 lat (msec): min=4, max=178, avg=92.81, stdev=17.17 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 66], 10.00th=[ 71], 20.00th=[ 79], | 30.00th=[ 83], 40.00th=[ 87], 50.00th=[ 90], 60.00th=[ 94], | 70.00th=[ 99], 80.00th=[ 104], 90.00th=[ 111], 95.00th=[ 115], | 99.00th=[ 127], 99.50th=[ 136], 99.90th=[ 174], 99.95th=[ 176], | 99.99th=[ 176] bw ( KiB/s): min= 160, max= 328, per=25.32%, avg=222.82, stdev=42.77, samples=45 iops : min= 40, max= 82, avg=55.69, stdev=10.69, samples=45 write: IOPS=56, BW=227KiB/s (233kB/s)(5180KiB/22773msec); 0 zone resets slat (usec): min=39, max=3559, avg=119.62, stdev=116.74 clat (msec): min=40, max=342, avg=190.15, stdev=46.72 lat (msec): min=40, max=342, avg=190.27, stdev=46.73 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 115], 10.00th=[ 128], 20.00th=[ 148], | 30.00th=[ 163], 40.00th=[ 180], 50.00th=[ 194], 60.00th=[ 203], | 70.00th=[ 218], 80.00th=[ 230], 90.00th=[ 249], 95.00th=[ 268], | 99.00th=[ 292], 99.50th=[ 300], 99.90th=[ 342], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 168, max= 296, per=24.75%, avg=226.73, stdev=30.57, samples=45 iops : min= 42, max= 74, avg=56.67, stdev= 7.62, samples=45 lat (msec) : 4=0.08%, 20=0.16%, 50=0.62%, 100=36.88%, 250=57.42% lat (msec) : 500=4.84% cpu : usr=0.16%, sys=1.56%, ctx=4996, 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=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=880KiB/s (901kB/s), 218KiB/s-222KiB/s (223kB/s-228kB/s), io=19.6MiB (20.5MB), run=22746-22801msec WRITE: bw=916KiB/s (938kB/s), 227KiB/s-231KiB/s (233kB/s-237kB/s), io=20.4MiB (21.4MB), run=22746-22801msec 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=160190: Fri Feb 6 23:10:23 2026 read: IOPS=9, BW=396MiB/s (415MB/s)(40.0MiB/101msec) slat (nsec): min=9652.4k, max=9652.4k, avg=9652369.00, stdev= 0.00 clat (nsec): min=86056k, max=86056k, avg=86055698.00, stdev= 0.00 lat (nsec): min=95711k, max=95711k, avg=95711422.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[86508], 5.00th=[86508], 10.00th=[86508], 20.00th=[86508], | 30.00th=[86508], 40.00th=[86508], 50.00th=[86508], 60.00th=[86508], | 70.00th=[86508], 80.00th=[86508], 90.00th=[86508], 95.00th=[86508], | 99.00th=[86508], 99.50th=[86508], 99.90th=[86508], 99.95th=[86508], | 99.99th=[86508] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=9.00%, ctx=40, 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=396MiB/s (415MB/s), 396MiB/s-396MiB/s (415MB/s-415MB/s), io=40.0MiB (41.9MB), run=101-101msec 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