== sanity test 398c: run fio to test AIO ================= 22:45:19 (1789353919) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.157268 s, 267 MB/s osc.lustre-OST0000-osc-ffff9e1683d47000.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=154417: Sun Sep 13 22:46:01 2026 write: IOPS=65, BW=262KiB/s (268kB/s)(10.0MiB/39123msec); 0 zone resets slat (usec): min=36, max=2256, avg=236.69, stdev=133.00 clat (msec): min=61, max=443, avg=244.06, stdev=55.25 lat (msec): min=62, max=444, avg=244.30, stdev=55.25 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 163], 10.00th=[ 186], 20.00th=[ 207], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 245], 60.00th=[ 257], | 70.00th=[ 271], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 334], | 99.00th=[ 376], 99.50th=[ 405], 99.90th=[ 439], 99.95th=[ 439], | 99.99th=[ 443] bw ( KiB/s): min= 160, max= 617, per=24.90%, avg=260.49, stdev=56.66, samples=77 iops : min= 40, max= 154, avg=64.97, stdev=14.22, samples=77 lat (msec) : 100=1.99%, 250=53.48%, 500=44.53% cpu : usr=0.10%, sys=1.29%, ctx=2794, 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=154418: Sun Sep 13 22:46:01 2026 write: IOPS=65, BW=262KiB/s (268kB/s)(10.0MiB/39138msec); 0 zone resets slat (usec): min=37, max=1976, avg=235.87, stdev=134.43 clat (msec): min=56, max=444, avg=244.13, stdev=55.61 lat (msec): min=56, max=444, avg=244.37, stdev=55.62 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 165], 10.00th=[ 186], 20.00th=[ 205], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 245], 60.00th=[ 255], | 70.00th=[ 271], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 338], | 99.00th=[ 388], 99.50th=[ 405], 99.90th=[ 426], 99.95th=[ 430], | 99.99th=[ 443] bw ( KiB/s): min= 144, max= 617, per=24.88%, avg=260.29, stdev=57.54, samples=77 iops : min= 36, max= 154, avg=64.92, stdev=14.43, samples=77 lat (msec) : 100=1.91%, 250=53.44%, 500=44.65% cpu : usr=0.11%, sys=1.25%, ctx=2828, 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=154419: Sun Sep 13 22:46:01 2026 write: IOPS=65, BW=262KiB/s (268kB/s)(10.0MiB/39137msec); 0 zone resets slat (usec): min=46, max=2086, avg=235.38, stdev=129.56 clat (msec): min=31, max=439, avg=244.12, stdev=55.20 lat (msec): min=31, max=440, avg=244.35, stdev=55.21 clat percentiles (msec): | 1.00th=[ 74], 5.00th=[ 165], 10.00th=[ 188], 20.00th=[ 207], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 243], 60.00th=[ 255], | 70.00th=[ 271], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 334], | 99.00th=[ 380], 99.50th=[ 401], 99.90th=[ 435], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 151, max= 619, per=24.89%, avg=260.31, stdev=54.95, samples=77 iops : min= 37, max= 154, avg=64.92, stdev=13.75, samples=77 lat (msec) : 50=0.04%, 100=1.76%, 250=54.22%, 500=43.98% cpu : usr=0.13%, sys=1.26%, ctx=2833, 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=154420: Sun Sep 13 22:46:01 2026 write: IOPS=65, BW=262KiB/s (268kB/s)(10.0MiB/39060msec); 0 zone resets slat (usec): min=40, max=3015, avg=238.49, stdev=148.03 clat (msec): min=24, max=439, avg=243.75, stdev=56.21 lat (msec): min=24, max=439, avg=243.99, stdev=56.22 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 159], 10.00th=[ 184], 20.00th=[ 205], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 245], 60.00th=[ 257], | 70.00th=[ 271], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 334], | 99.00th=[ 380], 99.50th=[ 409], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 439] bw ( KiB/s): min= 144, max= 630, per=24.94%, avg=260.87, stdev=57.31, samples=77 iops : min= 36, max= 157, avg=65.06, stdev=14.36, samples=77 lat (msec) : 50=0.31%, 100=2.19%, 250=52.30%, 500=45.20% cpu : usr=0.13%, sys=1.25%, ctx=2830, 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=1047KiB/s (1072kB/s), 262KiB/s-262KiB/s (268kB/s-268kB/s), io=40.0MiB (41.9MB), run=39060-39138msec 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=154435: Sun Sep 13 22:46:33 2026 read: IOPS=44, BW=179KiB/s (184kB/s)(5048KiB/28137msec) slat (usec): min=1462, max=14272, avg=3618.60, stdev=1358.97 clat (msec): min=4, max=208, avg=110.27, stdev=27.31 lat (msec): min=7, max=212, avg=113.89, stdev=27.55 clat percentiles (msec): | 1.00th=[ 25], 5.00th=[ 74], 10.00th=[ 81], 20.00th=[ 90], | 30.00th=[ 97], 40.00th=[ 103], 50.00th=[ 108], 60.00th=[ 114], | 70.00th=[ 122], 80.00th=[ 130], 90.00th=[ 146], 95.00th=[ 161], | 99.00th=[ 190], 99.50th=[ 197], 99.90th=[ 205], 99.95th=[ 209], | 99.99th=[ 209] bw ( KiB/s): min= 87, max= 304, per=25.14%, avg=179.22, stdev=43.96, samples=55 iops : min= 21, max= 76, avg=44.67, stdev=11.05, samples=55 write: IOPS=46, BW=185KiB/s (189kB/s)(5192KiB/28137msec); 0 zone resets slat (usec): min=52, max=4657, avg=223.95, stdev=194.65 clat (msec): min=81, max=388, avg=234.93, stdev=52.51 lat (msec): min=81, max=388, avg=235.16, stdev=52.51 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 150], 10.00th=[ 169], 20.00th=[ 188], | 30.00th=[ 205], 40.00th=[ 222], 50.00th=[ 239], 60.00th=[ 249], | 70.00th=[ 264], 80.00th=[ 275], 90.00th=[ 305], 95.00th=[ 330], | 99.00th=[ 363], 99.50th=[ 384], 99.90th=[ 388], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 127, max= 264, per=24.88%, avg=184.60, stdev=31.31, samples=55 iops : min= 31, max= 66, avg=46.04, stdev= 7.90, samples=55 lat (msec) : 10=0.12%, 20=0.31%, 50=0.16%, 100=17.30%, 250=61.95% lat (msec) : 500=20.16% cpu : usr=0.23%, sys=1.94%, ctx=4979, 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=154436: Sun Sep 13 22:46:33 2026 read: IOPS=44, BW=177KiB/s (181kB/s)(4976KiB/28137msec) slat (usec): min=1418, max=12749, avg=3632.47, stdev=1301.51 clat (msec): min=3, max=237, avg=111.74, stdev=28.54 lat (msec): min=7, max=241, avg=115.38, stdev=28.81 clat percentiles (msec): | 1.00th=[ 29], 5.00th=[ 74], 10.00th=[ 82], 20.00th=[ 92], | 30.00th=[ 97], 40.00th=[ 103], 50.00th=[ 109], 60.00th=[ 115], | 70.00th=[ 123], 80.00th=[ 131], 90.00th=[ 153], 95.00th=[ 165], | 99.00th=[ 188], 99.50th=[ 201], 99.90th=[ 232], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 80, max= 272, per=24.71%, avg=176.20, stdev=40.97, samples=55 iops : min= 20, max= 68, avg=43.93, stdev=10.24, samples=55 write: IOPS=46, BW=187KiB/s (192kB/s)(5264KiB/28137msec); 0 zone resets slat (usec): min=62, max=2430, avg=222.21, stdev=149.76 clat (msec): min=70, max=386, avg=232.05, stdev=53.13 lat (msec): min=70, max=386, avg=232.27, stdev=53.13 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 146], 10.00th=[ 165], 20.00th=[ 184], | 30.00th=[ 205], 40.00th=[ 220], 50.00th=[ 236], 60.00th=[ 249], | 70.00th=[ 262], 80.00th=[ 275], 90.00th=[ 296], 95.00th=[ 321], | 99.00th=[ 363], 99.50th=[ 376], 99.90th=[ 384], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 112, max= 256, per=25.12%, avg=186.38, stdev=33.73, samples=55 iops : min= 28, max= 64, avg=46.47, stdev= 8.50, samples=55 lat (msec) : 4=0.04%, 10=0.16%, 20=0.16%, 50=0.27%, 100=16.95% lat (msec) : 250=62.77%, 500=19.65% cpu : usr=0.28%, sys=1.90%, ctx=4980, 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=154437: Sun Sep 13 22:46:33 2026 read: IOPS=44, BW=178KiB/s (182kB/s)(4984KiB/28038msec) slat (usec): min=59, max=10396, avg=3560.63, stdev=1327.08 clat (msec): min=4, max=385, avg=109.46, stdev=28.98 lat (msec): min=7, max=390, avg=113.02, stdev=29.28 clat percentiles (msec): | 1.00th=[ 23], 5.00th=[ 74], 10.00th=[ 81], 20.00th=[ 91], | 30.00th=[ 97], 40.00th=[ 102], 50.00th=[ 106], 60.00th=[ 112], | 70.00th=[ 118], 80.00th=[ 129], 90.00th=[ 146], 95.00th=[ 161], | 99.00th=[ 188], 99.50th=[ 194], 99.90th=[ 313], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 80, max= 312, per=25.14%, avg=179.22, stdev=52.94, samples=55 iops : min= 20, max= 78, avg=44.69, stdev=13.25, samples=55 write: IOPS=46, BW=187KiB/s (192kB/s)(5256KiB/28038msec); 0 zone resets slat (usec): min=44, max=3337, avg=231.30, stdev=187.22 clat (msec): min=53, max=500, avg=233.62, stdev=57.82 lat (msec): min=53, max=500, avg=233.86, stdev=57.83 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 148], 10.00th=[ 163], 20.00th=[ 184], | 30.00th=[ 203], 40.00th=[ 218], 50.00th=[ 234], 60.00th=[ 249], | 70.00th=[ 264], 80.00th=[ 279], 90.00th=[ 305], 95.00th=[ 330], | 99.00th=[ 376], 99.50th=[ 418], 99.90th=[ 472], 99.95th=[ 502], | 99.99th=[ 502] bw ( KiB/s): min= 112, max= 258, per=25.27%, avg=187.47, stdev=30.09, samples=55 iops : min= 28, max= 64, avg=46.75, stdev= 7.57, samples=55 lat (msec) : 10=0.23%, 20=0.16%, 50=0.35%, 100=17.97%, 250=61.41% lat (msec) : 500=19.84%, 750=0.04% cpu : usr=0.18%, sys=1.97%, ctx=4960, 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=154438: Sun Sep 13 22:46:33 2026 read: IOPS=44, BW=180KiB/s (184kB/s)(5060KiB/28137msec) slat (usec): min=1365, max=13169, avg=3539.91, stdev=1361.23 clat (msec): min=6, max=301, avg=111.38, stdev=27.90 lat (msec): min=9, max=306, avg=114.92, stdev=28.17 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 77], 10.00th=[ 82], 20.00th=[ 92], | 30.00th=[ 97], 40.00th=[ 103], 50.00th=[ 109], 60.00th=[ 114], | 70.00th=[ 121], 80.00th=[ 130], 90.00th=[ 148], 95.00th=[ 161], | 99.00th=[ 194], 99.50th=[ 205], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 80, max= 280, per=25.46%, avg=181.51, stdev=45.75, samples=55 iops : min= 20, max= 70, avg=45.25, stdev=11.45, samples=55 write: IOPS=46, BW=184KiB/s (189kB/s)(5180KiB/28137msec); 0 zone resets slat (usec): min=56, max=4000, avg=230.24, stdev=198.24 clat (msec): min=42, max=517, avg=234.32, stdev=55.95 lat (msec): min=42, max=517, avg=234.55, stdev=55.95 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 153], 10.00th=[ 167], 20.00th=[ 186], | 30.00th=[ 205], 40.00th=[ 222], 50.00th=[ 239], 60.00th=[ 249], | 70.00th=[ 262], 80.00th=[ 275], 90.00th=[ 300], 95.00th=[ 330], | 99.00th=[ 380], 99.50th=[ 439], 99.90th=[ 489], 99.95th=[ 518], | 99.99th=[ 518] bw ( KiB/s): min= 111, max= 240, per=24.87%, avg=184.53, stdev=32.18, samples=55 iops : min= 27, max= 60, avg=46.02, stdev= 8.16, samples=55 lat (msec) : 10=0.08%, 20=0.20%, 50=0.23%, 100=17.42%, 250=62.38% lat (msec) : 500=19.65%, 750=0.04% cpu : usr=0.23%, sys=1.94%, ctx=5003, 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=713KiB/s (730kB/s), 177KiB/s-180KiB/s (181kB/s-184kB/s), io=19.6MiB (20.5MB), run=28038-28137msec WRITE: bw=743KiB/s (760kB/s), 184KiB/s-187KiB/s (189kB/s-192kB/s), io=20.4MiB (21.4MB), run=28038-28137msec 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=154445: Sun Sep 13 22:46:37 2026 read: IOPS=6, BW=274MiB/s (287MB/s)(40.0MiB/146msec) slat (nsec): min=13463k, max=13463k, avg=13462692.00, stdev= 0.00 clat (nsec): min=122311k, max=122311k, avg=122310999.00, stdev= 0.00 lat (nsec): min=135777k, max=135777k, avg=135777233.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 123], 10.00th=[ 123], 20.00th=[ 123], | 30.00th=[ 123], 40.00th=[ 123], 50.00th=[ 123], 60.00th=[ 123], | 70.00th=[ 123], 80.00th=[ 123], 90.00th=[ 123], 95.00th=[ 123], | 99.00th=[ 123], 99.50th=[ 123], 99.90th=[ 123], 99.95th=[ 123], | 99.99th=[ 123] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=7.59%, ctx=41, majf=0, minf=9 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=274MiB/s (287MB/s), 274MiB/s-274MiB/s (287MB/s-287MB/s), io=40.0MiB (41.9MB), run=146-146msec 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