== sanity test 398c: run fio to test AIO ================= 00:30:38 (1780979438) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.607128 s, 69.1 MB/s osc.lustre-OST0000-osc-ffff93c1d0f0f000.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=148343: Tue Jun 9 00:31:11 2026 write: IOPS=114, BW=456KiB/s (467kB/s)(10.0MiB/22435msec); 0 zone resets slat (usec): min=20, max=18096, avg=168.23, stdev=717.11 clat (msec): min=10, max=413, avg=139.73, stdev=44.43 lat (msec): min=10, max=413, avg=139.91, stdev=44.45 clat percentiles (msec): | 1.00th=[ 28], 5.00th=[ 85], 10.00th=[ 95], 20.00th=[ 108], | 30.00th=[ 118], 40.00th=[ 126], 50.00th=[ 136], 60.00th=[ 144], | 70.00th=[ 153], 80.00th=[ 169], 90.00th=[ 194], 95.00th=[ 220], | 99.00th=[ 257], 99.50th=[ 372], 99.90th=[ 409], 99.95th=[ 409], | 99.99th=[ 414] bw ( KiB/s): min= 191, max= 794, per=24.85%, avg=452.84, stdev=101.34, samples=44 iops : min= 47, max= 198, avg=112.91, stdev=25.42, samples=44 lat (msec) : 20=0.04%, 50=1.29%, 100=12.42%, 250=85.16%, 500=1.09% cpu : usr=0.16%, sys=0.98%, ctx=680, 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=148344: Tue Jun 9 00:31:11 2026 write: IOPS=113, BW=456KiB/s (467kB/s)(10.0MiB/22466msec); 0 zone resets slat (usec): min=18, max=15732, avg=268.57, stdev=1065.01 clat (msec): min=7, max=423, avg=139.94, stdev=43.83 lat (msec): min=7, max=423, avg=140.21, stdev=43.86 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 83], 10.00th=[ 97], 20.00th=[ 110], | 30.00th=[ 118], 40.00th=[ 127], 50.00th=[ 138], 60.00th=[ 144], | 70.00th=[ 155], 80.00th=[ 167], 90.00th=[ 186], 95.00th=[ 211], | 99.00th=[ 268], 99.50th=[ 363], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 199, max= 790, per=24.81%, avg=452.02, stdev=99.29, samples=44 iops : min= 49, max= 197, avg=112.68, stdev=24.90, samples=44 lat (msec) : 10=0.04%, 20=0.08%, 50=1.99%, 100=10.31%, 250=85.90% lat (msec) : 500=1.68% cpu : usr=0.24%, sys=1.21%, ctx=1155, 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=148345: Tue Jun 9 00:31:11 2026 write: IOPS=114, BW=456KiB/s (467kB/s)(10.0MiB/22437msec); 0 zone resets slat (usec): min=21, max=12191, avg=225.42, stdev=809.24 clat (msec): min=4, max=423, avg=139.85, stdev=43.92 lat (msec): min=5, max=423, avg=140.08, stdev=43.93 clat percentiles (msec): | 1.00th=[ 47], 5.00th=[ 84], 10.00th=[ 96], 20.00th=[ 108], | 30.00th=[ 118], 40.00th=[ 127], 50.00th=[ 136], 60.00th=[ 144], | 70.00th=[ 155], 80.00th=[ 167], 90.00th=[ 194], 95.00th=[ 215], | 99.00th=[ 268], 99.50th=[ 368], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 422] bw ( KiB/s): min= 151, max= 802, per=24.89%, avg=453.55, stdev=101.66, samples=44 iops : min= 37, max= 200, avg=113.09, stdev=25.50, samples=44 lat (msec) : 10=0.04%, 50=1.56%, 100=13.09%, 250=83.24%, 500=2.07% cpu : usr=0.23%, sys=1.14%, ctx=1237, 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=148346: Tue Jun 9 00:31:11 2026 write: IOPS=113, BW=456KiB/s (467kB/s)(10.0MiB/22473msec); 0 zone resets slat (usec): min=24, max=30243, avg=232.08, stdev=1046.96 clat (msec): min=34, max=402, avg=139.97, stdev=43.82 lat (msec): min=34, max=402, avg=140.20, stdev=43.86 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 83], 10.00th=[ 93], 20.00th=[ 109], | 30.00th=[ 116], 40.00th=[ 125], 50.00th=[ 136], 60.00th=[ 146], | 70.00th=[ 157], 80.00th=[ 171], 90.00th=[ 192], 95.00th=[ 215], | 99.00th=[ 300], 99.50th=[ 334], 99.90th=[ 388], 99.95th=[ 388], | 99.99th=[ 401] bw ( KiB/s): min= 127, max= 777, per=24.87%, avg=453.16, stdev=109.55, samples=44 iops : min= 31, max= 194, avg=112.98, stdev=27.50, samples=44 lat (msec) : 50=1.21%, 100=13.44%, 250=83.55%, 500=1.80% cpu : usr=0.21%, sys=1.25%, ctx=1210, 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=1823KiB/s (1866kB/s), 456KiB/s-456KiB/s (467kB/s-467kB/s), io=40.0MiB (41.9MB), run=22435-22473msec 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=148360: Tue Jun 9 00:31:43 2026 read: IOPS=54, BW=219KiB/s (224kB/s)(5048KiB/23061msec) slat (usec): min=1778, max=52272, avg=10303.13, stdev=6242.58 clat (msec): min=11, max=265, avg=136.08, stdev=34.71 lat (msec): min=16, max=273, avg=146.39, stdev=35.61 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 83], 10.00th=[ 95], 20.00th=[ 108], | 30.00th=[ 117], 40.00th=[ 126], 50.00th=[ 134], 60.00th=[ 142], | 70.00th=[ 155], 80.00th=[ 163], 90.00th=[ 182], 95.00th=[ 194], | 99.00th=[ 232], 99.50th=[ 239], 99.90th=[ 257], 99.95th=[ 266], | 99.99th=[ 266] bw ( KiB/s): min= 116, max= 295, per=24.87%, avg=216.33, stdev=40.39, samples=45 iops : min= 29, max= 73, avg=53.73, stdev=10.05, samples=45 write: IOPS=56, BW=225KiB/s (231kB/s)(5192KiB/23061msec); 0 zone resets slat (usec): min=27, max=16294, avg=254.08, stdev=973.58 clat (msec): min=25, max=265, avg=140.04, stdev=33.45 lat (msec): min=25, max=265, avg=140.29, stdev=33.42 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 89], 10.00th=[ 100], 20.00th=[ 111], | 30.00th=[ 121], 40.00th=[ 130], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 157], 80.00th=[ 167], 90.00th=[ 182], 95.00th=[ 197], | 99.00th=[ 232], 99.50th=[ 243], 99.90th=[ 257], 99.95th=[ 266], | 99.99th=[ 266] bw ( KiB/s): min= 127, max= 366, per=24.61%, avg=222.71, stdev=51.06, samples=45 iops : min= 31, max= 91, avg=55.33, stdev=12.82, samples=45 lat (msec) : 20=0.08%, 50=0.35%, 100=11.56%, 250=87.73%, 500=0.27% cpu : usr=0.28%, sys=2.45%, ctx=2762, 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=148361: Tue Jun 9 00:31:43 2026 read: IOPS=54, BW=216KiB/s (221kB/s)(4976KiB/23008msec) slat (usec): min=316, max=53712, avg=10240.62, stdev=6284.50 clat (msec): min=15, max=265, avg=136.85, stdev=36.05 lat (msec): min=27, max=271, avg=147.10, stdev=37.14 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 85], 10.00th=[ 95], 20.00th=[ 108], | 30.00th=[ 117], 40.00th=[ 125], 50.00th=[ 132], 60.00th=[ 142], | 70.00th=[ 153], 80.00th=[ 167], 90.00th=[ 186], 95.00th=[ 203], | 99.00th=[ 243], 99.50th=[ 247], 99.90th=[ 259], 99.95th=[ 266], | 99.99th=[ 266] bw ( KiB/s): min= 142, max= 304, per=24.75%, avg=215.29, stdev=44.69, samples=45 iops : min= 35, max= 76, avg=53.47, stdev=11.24, samples=45 write: IOPS=57, BW=229KiB/s (234kB/s)(5264KiB/23008msec); 0 zone resets slat (usec): min=28, max=13048, avg=278.82, stdev=907.78 clat (msec): min=25, max=250, avg=139.62, stdev=34.02 lat (msec): min=25, max=250, avg=139.91, stdev=33.99 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 90], 10.00th=[ 99], 20.00th=[ 112], | 30.00th=[ 121], 40.00th=[ 130], 50.00th=[ 138], 60.00th=[ 146], | 70.00th=[ 155], 80.00th=[ 167], 90.00th=[ 184], 95.00th=[ 201], | 99.00th=[ 236], 99.50th=[ 243], 99.90th=[ 247], 99.95th=[ 251], | 99.99th=[ 251] bw ( KiB/s): min= 135, max= 318, per=25.21%, avg=228.13, stdev=44.96, samples=45 iops : min= 33, max= 79, avg=56.67, stdev=11.28, samples=45 lat (msec) : 20=0.04%, 50=0.16%, 100=12.07%, 250=87.50%, 500=0.23% cpu : usr=0.40%, sys=2.23%, ctx=2740, 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=148362: Tue Jun 9 00:31:43 2026 read: IOPS=54, BW=217KiB/s (222kB/s)(4984KiB/22951msec) slat (usec): min=60, max=55934, avg=10186.08, stdev=6391.34 clat (msec): min=9, max=255, avg=136.31, stdev=36.06 lat (msec): min=18, max=268, avg=146.50, stdev=37.31 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 83], 10.00th=[ 94], 20.00th=[ 106], | 30.00th=[ 116], 40.00th=[ 126], 50.00th=[ 134], 60.00th=[ 142], | 70.00th=[ 155], 80.00th=[ 165], 90.00th=[ 184], 95.00th=[ 201], | 99.00th=[ 234], 99.50th=[ 239], 99.90th=[ 247], 99.95th=[ 255], | 99.99th=[ 255] bw ( KiB/s): min= 128, max= 320, per=24.90%, avg=216.64, stdev=46.77, samples=45 iops : min= 32, max= 80, avg=53.80, stdev=11.70, samples=45 write: IOPS=57, BW=229KiB/s (235kB/s)(5256KiB/22951msec); 0 zone resets slat (usec): min=25, max=15697, avg=228.04, stdev=829.65 clat (msec): min=54, max=261, avg=139.78, stdev=33.75 lat (msec): min=54, max=261, avg=140.01, stdev=33.78 clat percentiles (msec): | 1.00th=[ 78], 5.00th=[ 90], 10.00th=[ 97], 20.00th=[ 111], | 30.00th=[ 122], 40.00th=[ 129], 50.00th=[ 136], 60.00th=[ 146], | 70.00th=[ 157], 80.00th=[ 169], 90.00th=[ 186], 95.00th=[ 201], | 99.00th=[ 228], 99.50th=[ 234], 99.90th=[ 247], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 120, max= 343, per=25.11%, avg=227.22, stdev=48.70, samples=45 iops : min= 30, max= 85, avg=56.49, stdev=12.17, samples=45 lat (msec) : 10=0.04%, 20=0.04%, 50=0.12%, 100=13.20%, 250=86.52% lat (msec) : 500=0.08% cpu : usr=0.35%, sys=2.23%, ctx=2752, 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=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=148363: Tue Jun 9 00:31:43 2026 read: IOPS=54, BW=220KiB/s (225kB/s)(5060KiB/23015msec) slat (usec): min=1692, max=43787, avg=10261.18, stdev=6183.23 clat (msec): min=11, max=314, avg=136.11, stdev=34.50 lat (msec): min=33, max=344, avg=146.38, stdev=35.53 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 83], 10.00th=[ 94], 20.00th=[ 108], | 30.00th=[ 118], 40.00th=[ 126], 50.00th=[ 134], 60.00th=[ 142], | 70.00th=[ 150], 80.00th=[ 163], 90.00th=[ 182], 95.00th=[ 194], | 99.00th=[ 230], 99.50th=[ 253], 99.90th=[ 292], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 103, max= 327, per=25.18%, avg=219.04, stdev=51.58, samples=45 iops : min= 25, max= 81, avg=54.40, stdev=12.90, samples=45 write: IOPS=56, BW=225KiB/s (230kB/s)(5180KiB/23015msec); 0 zone resets slat (usec): min=27, max=7974, avg=242.21, stdev=720.16 clat (msec): min=32, max=289, avg=139.86, stdev=33.23 lat (msec): min=32, max=289, avg=140.11, stdev=33.20 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 92], 10.00th=[ 101], 20.00th=[ 112], | 30.00th=[ 122], 40.00th=[ 129], 50.00th=[ 138], 60.00th=[ 146], | 70.00th=[ 155], 80.00th=[ 167], 90.00th=[ 182], 95.00th=[ 201], | 99.00th=[ 243], 99.50th=[ 257], 99.90th=[ 271], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 134, max= 328, per=24.68%, avg=223.38, stdev=44.63, samples=45 iops : min= 33, max= 82, avg=55.49, stdev=11.22, samples=45 lat (msec) : 20=0.04%, 50=0.16%, 100=11.72%, 250=87.50%, 500=0.59% cpu : usr=0.34%, sys=2.17%, ctx=2868, 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=870KiB/s (891kB/s), 216KiB/s-220KiB/s (221kB/s-225kB/s), io=19.6MiB (20.5MB), run=22951-23061msec WRITE: bw=906KiB/s (928kB/s), 225KiB/s-229KiB/s (230kB/s-235kB/s), io=20.4MiB (21.4MB), run=22951-23061msec 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=148370: Tue Jun 9 00:31:52 2026 read: IOPS=2, BW=115MiB/s (120MB/s)(40.0MiB/349msec) slat (nsec): min=40737k, max=40737k, avg=40736854.00, stdev= 0.00 clat (nsec): min=281913k, max=281913k, avg=281912895.00, stdev= 0.00 lat (nsec): min=322654k, max=322654k, avg=322653990.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 284], 5.00th=[ 284], 10.00th=[ 284], 20.00th=[ 284], | 30.00th=[ 284], 40.00th=[ 284], 50.00th=[ 284], 60.00th=[ 284], | 70.00th=[ 284], 80.00th=[ 284], 90.00th=[ 284], 95.00th=[ 284], | 99.00th=[ 284], 99.50th=[ 284], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=3.16%, ctx=3, 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=115MiB/s (120MB/s), 115MiB/s-115MiB/s (120MB/s-120MB/s), io=40.0MiB (41.9MB), run=349-349msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck