== sanity test 398c: run fio to test AIO ================= 00:02:30 (1789358550) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.158125 s, 265 MB/s osc.lustre-OST0000-osc-ffff97b6d0cae000.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=160245: Mon Sep 14 00:03:16 2026 write: IOPS=60, BW=241KiB/s (247kB/s)(10.0MiB/42464msec); 0 zone resets slat (usec): min=22, max=3228, avg=137.61, stdev=156.52 clat (msec): min=57, max=699, avg=265.07, stdev=66.78 lat (msec): min=57, max=699, avg=265.21, stdev=66.79 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 165], 10.00th=[ 192], 20.00th=[ 213], | 30.00th=[ 230], 40.00th=[ 247], 50.00th=[ 264], 60.00th=[ 279], | 70.00th=[ 296], 80.00th=[ 317], 90.00th=[ 347], 95.00th=[ 372], | 99.00th=[ 443], 99.50th=[ 472], 99.90th=[ 634], 99.95th=[ 667], | 99.99th=[ 701] bw ( KiB/s): min= 127, max= 516, per=24.99%, avg=240.63, stdev=56.05, samples=84 iops : min= 31, max= 129, avg=60.00, stdev=14.06, samples=84 lat (msec) : 100=0.62%, 250=41.68%, 500=57.34%, 750=0.35% cpu : usr=0.12%, sys=0.65%, ctx=2877, 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=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=160246: Mon Sep 14 00:03:16 2026 write: IOPS=60, BW=241KiB/s (247kB/s)(10.0MiB/42496msec); 0 zone resets slat (usec): min=20, max=5084, avg=139.31, stdev=193.23 clat (msec): min=84, max=547, avg=265.15, stdev=64.78 lat (msec): min=84, max=547, avg=265.29, stdev=64.79 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 169], 10.00th=[ 192], 20.00th=[ 213], | 30.00th=[ 228], 40.00th=[ 245], 50.00th=[ 262], 60.00th=[ 279], | 70.00th=[ 296], 80.00th=[ 321], 90.00th=[ 347], 95.00th=[ 376], | 99.00th=[ 426], 99.50th=[ 439], 99.90th=[ 489], 99.95th=[ 489], | 99.99th=[ 550] bw ( KiB/s): min= 128, max= 413, per=24.95%, avg=240.27, stdev=51.41, samples=84 iops : min= 32, max= 103, avg=59.90, stdev=12.88, samples=84 lat (msec) : 100=0.66%, 250=42.58%, 500=56.72%, 750=0.04% cpu : usr=0.10%, sys=0.66%, ctx=2939, 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=160247: Mon Sep 14 00:03:16 2026 write: IOPS=60, BW=241KiB/s (247kB/s)(10.0MiB/42495msec); 0 zone resets slat (usec): min=24, max=5729, avg=136.99, stdev=199.13 clat (msec): min=89, max=582, avg=265.18, stdev=65.24 lat (msec): min=89, max=582, avg=265.32, stdev=65.26 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 169], 10.00th=[ 190], 20.00th=[ 213], | 30.00th=[ 230], 40.00th=[ 247], 50.00th=[ 262], 60.00th=[ 279], | 70.00th=[ 296], 80.00th=[ 317], 90.00th=[ 347], 95.00th=[ 376], | 99.00th=[ 439], 99.50th=[ 472], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 584] bw ( KiB/s): min= 135, max= 420, per=24.97%, avg=240.45, stdev=51.91, samples=84 iops : min= 33, max= 105, avg=59.95, stdev=13.01, samples=84 lat (msec) : 100=0.70%, 250=41.52%, 500=57.62%, 750=0.16% cpu : usr=0.10%, sys=0.64%, ctx=2974, 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=160248: Mon Sep 14 00:03:16 2026 write: IOPS=60, BW=241KiB/s (247kB/s)(10.0MiB/42495msec); 0 zone resets slat (usec): min=27, max=7006, avg=140.31, stdev=206.40 clat (msec): min=32, max=696, avg=265.14, stdev=69.45 lat (msec): min=32, max=696, avg=265.28, stdev=69.45 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 161], 10.00th=[ 190], 20.00th=[ 211], | 30.00th=[ 228], 40.00th=[ 245], 50.00th=[ 262], 60.00th=[ 279], | 70.00th=[ 296], 80.00th=[ 321], 90.00th=[ 347], 95.00th=[ 376], | 99.00th=[ 435], 99.50th=[ 485], 99.90th=[ 667], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 128, max= 484, per=25.00%, avg=240.75, stdev=55.70, samples=84 iops : min= 32, max= 121, avg=60.02, stdev=13.98, samples=84 lat (msec) : 50=0.20%, 100=1.05%, 250=42.11%, 500=56.25%, 750=0.39% cpu : usr=0.14%, sys=0.63%, ctx=3021, 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=964KiB/s (987kB/s), 241KiB/s-241KiB/s (247kB/s-247kB/s), io=40.0MiB (41.9MB), run=42464-42496msec 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=160264: Mon Sep 14 00:03:50 2026 read: IOPS=42, BW=169KiB/s (173kB/s)(5048KiB/29866msec) slat (usec): min=24, max=15725, avg=3892.57, stdev=1668.62 clat (msec): min=3, max=386, avg=120.05, stdev=35.66 lat (msec): min=6, max=388, avg=123.95, stdev=36.13 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 77], 10.00th=[ 86], 20.00th=[ 94], | 30.00th=[ 101], 40.00th=[ 108], 50.00th=[ 115], 60.00th=[ 123], | 70.00th=[ 131], 80.00th=[ 144], 90.00th=[ 161], 95.00th=[ 182], | 99.00th=[ 249], 99.50th=[ 259], 99.90th=[ 347], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 87, max= 280, per=25.29%, avg=168.95, stdev=40.14, samples=59 iops : min= 21, max= 70, avg=42.10, stdev=10.05, samples=59 write: IOPS=43, BW=174KiB/s (178kB/s)(5192KiB/29866msec); 0 zone resets slat (usec): min=24, max=1483, avg=149.45, stdev=115.40 clat (msec): min=37, max=481, avg=247.02, stdev=63.40 lat (msec): min=38, max=481, avg=247.17, stdev=63.40 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 150], 10.00th=[ 171], 20.00th=[ 194], | 30.00th=[ 213], 40.00th=[ 230], 50.00th=[ 245], 60.00th=[ 259], | 70.00th=[ 275], 80.00th=[ 296], 90.00th=[ 334], 95.00th=[ 363], | 99.00th=[ 414], 99.50th=[ 418], 99.90th=[ 443], 99.95th=[ 481], | 99.99th=[ 481] bw ( KiB/s): min= 88, max= 256, per=25.08%, avg=174.31, stdev=35.52, samples=59 iops : min= 22, max= 64, avg=43.44, stdev= 8.94, samples=59 lat (msec) : 4=0.04%, 10=0.08%, 20=0.08%, 50=0.35%, 100=14.26% lat (msec) : 250=61.52%, 500=23.67% cpu : usr=0.25%, sys=1.51%, ctx=4853, majf=0, minf=18 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=160265: Mon Sep 14 00:03:50 2026 read: IOPS=41, BW=166KiB/s (170kB/s)(4976KiB/30016msec) slat (usec): min=1387, max=13779, avg=3874.61, stdev=1663.18 clat (msec): min=4, max=367, avg=118.68, stdev=33.34 lat (msec): min=8, max=376, avg=122.56, stdev=33.87 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 78], 10.00th=[ 86], 20.00th=[ 94], | 30.00th=[ 100], 40.00th=[ 108], 50.00th=[ 114], 60.00th=[ 121], | 70.00th=[ 129], 80.00th=[ 140], 90.00th=[ 161], 95.00th=[ 178], | 99.00th=[ 232], 99.50th=[ 271], 99.90th=[ 284], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 80, max= 280, per=24.79%, avg=165.63, stdev=50.89, samples=59 iops : min= 20, max= 70, avg=41.27, stdev=12.79, samples=59 write: IOPS=43, BW=175KiB/s (180kB/s)(5264KiB/30016msec); 0 zone resets slat (usec): min=30, max=4946, avg=166.04, stdev=273.52 clat (msec): min=86, max=467, avg=247.98, stdev=62.88 lat (msec): min=86, max=467, avg=248.14, stdev=62.89 clat percentiles (msec): | 1.00th=[ 112], 5.00th=[ 146], 10.00th=[ 171], 20.00th=[ 197], | 30.00th=[ 215], 40.00th=[ 230], 50.00th=[ 245], 60.00th=[ 262], | 70.00th=[ 275], 80.00th=[ 300], 90.00th=[ 330], 95.00th=[ 363], | 99.00th=[ 405], 99.50th=[ 426], 99.90th=[ 447], 99.95th=[ 468], | 99.99th=[ 468] bw ( KiB/s): min= 110, max= 272, per=25.32%, avg=175.98, stdev=37.87, samples=59 iops : min= 27, max= 68, avg=43.85, stdev= 9.51, samples=59 lat (msec) : 10=0.12%, 50=0.12%, 100=14.88%, 250=60.94%, 500=23.95% cpu : usr=0.24%, sys=1.48%, ctx=4882, 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=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=160266: Mon Sep 14 00:03:50 2026 read: IOPS=41, BW=166KiB/s (170kB/s)(4984KiB/29980msec) slat (usec): min=1269, max=15784, avg=4014.68, stdev=1872.56 clat (msec): min=15, max=335, avg=118.59, stdev=32.41 lat (msec): min=18, max=341, avg=122.60, stdev=33.04 clat percentiles (msec): | 1.00th=[ 56], 5.00th=[ 78], 10.00th=[ 84], 20.00th=[ 93], | 30.00th=[ 100], 40.00th=[ 107], 50.00th=[ 115], 60.00th=[ 124], | 70.00th=[ 133], 80.00th=[ 146], 90.00th=[ 157], 95.00th=[ 174], | 99.00th=[ 201], 99.50th=[ 220], 99.90th=[ 305], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 88, max= 304, per=24.97%, avg=166.81, stdev=50.75, samples=59 iops : min= 22, max= 76, avg=41.56, stdev=12.73, samples=59 write: IOPS=43, BW=175KiB/s (180kB/s)(5256KiB/29980msec); 0 zone resets slat (usec): min=33, max=4506, avg=156.74, stdev=203.67 clat (msec): min=74, max=508, avg=247.76, stdev=64.51 lat (msec): min=74, max=508, avg=247.92, stdev=64.52 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 146], 10.00th=[ 171], 20.00th=[ 194], | 30.00th=[ 211], 40.00th=[ 228], 50.00th=[ 247], 60.00th=[ 262], | 70.00th=[ 279], 80.00th=[ 296], 90.00th=[ 334], 95.00th=[ 372], | 99.00th=[ 418], 99.50th=[ 430], 99.90th=[ 481], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 88, max= 288, per=25.23%, avg=175.37, stdev=37.45, samples=59 iops : min= 22, max= 72, avg=43.69, stdev= 9.38, samples=59 lat (msec) : 20=0.16%, 50=0.23%, 100=15.31%, 250=60.00%, 500=24.26% lat (msec) : 750=0.04% cpu : usr=0.25%, sys=1.49%, ctx=4992, majf=0, minf=17 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=160267: Mon Sep 14 00:03:50 2026 read: IOPS=42, BW=169KiB/s (173kB/s)(5060KiB/30021msec) slat (usec): min=1147, max=15669, avg=3967.33, stdev=1797.44 clat (msec): min=15, max=263, avg=119.77, stdev=31.44 lat (msec): min=19, max=266, avg=123.74, stdev=32.02 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 78], 10.00th=[ 86], 20.00th=[ 94], | 30.00th=[ 101], 40.00th=[ 109], 50.00th=[ 115], 60.00th=[ 124], | 70.00th=[ 134], 80.00th=[ 146], 90.00th=[ 161], 95.00th=[ 176], | 99.00th=[ 209], 99.50th=[ 239], 99.90th=[ 259], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 47, max= 264, per=25.27%, avg=168.80, stdev=47.52, samples=59 iops : min= 11, max= 66, avg=42.07, stdev=11.94, samples=59 write: IOPS=43, BW=173KiB/s (177kB/s)(5180KiB/30021msec); 0 zone resets slat (usec): min=29, max=3682, avg=150.19, stdev=150.08 clat (msec): min=90, max=453, avg=248.77, stdev=63.53 lat (msec): min=90, max=454, avg=248.92, stdev=63.53 clat percentiles (msec): | 1.00th=[ 116], 5.00th=[ 150], 10.00th=[ 169], 20.00th=[ 197], | 30.00th=[ 215], 40.00th=[ 230], 50.00th=[ 245], 60.00th=[ 259], | 70.00th=[ 279], 80.00th=[ 300], 90.00th=[ 338], 95.00th=[ 363], | 99.00th=[ 414], 99.50th=[ 426], 99.90th=[ 447], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 87, max= 264, per=24.79%, avg=172.29, stdev=36.09, samples=59 iops : min= 21, max= 66, avg=42.93, stdev= 9.06, samples=59 lat (msec) : 20=0.08%, 50=0.16%, 100=14.45%, 250=61.84%, 500=23.48% cpu : usr=0.23%, sys=1.55%, ctx=4957, 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=668KiB/s (685kB/s), 166KiB/s-169KiB/s (170kB/s-173kB/s), io=19.6MiB (20.5MB), run=29866-30021msec WRITE: bw=696KiB/s (713kB/s), 173KiB/s-175KiB/s (177kB/s-180kB/s), io=20.4MiB (21.4MB), run=29866-30021msec 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=160274: Mon Sep 14 00:03:54 2026 read: IOPS=7, BW=292MiB/s (306MB/s)(40.0MiB/137msec) slat (nsec): min=11552k, max=11552k, avg=11551953.00, stdev= 0.00 clat (nsec): min=117499k, max=117499k, avg=117498626.00, stdev= 0.00 lat (nsec): min=129058k, max=129058k, avg=129057983.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 118], 10.00th=[ 118], 20.00th=[ 118], | 30.00th=[ 118], 40.00th=[ 118], 50.00th=[ 118], 60.00th=[ 118], | 70.00th=[ 118], 80.00th=[ 118], 90.00th=[ 118], 95.00th=[ 118], | 99.00th=[ 118], 99.50th=[ 118], 99.90th=[ 118], 99.95th=[ 118], | 99.99th=[ 118] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=6.62%, ctx=14, 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=292MiB/s (306MB/s), 292MiB/s-292MiB/s (306MB/s-306MB/s), io=40.0MiB (41.9MB), run=137-137msec 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