== sanity test 398c: run fio to test AIO ================= 22:55:15 (1788749715) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.186452 s, 225 MB/s osc.lustre-OST0000-osc-ffff8a7fa8c1f800.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=147329: Sun Sep 6 22:56:34 2026 write: IOPS=34, BW=137KiB/s (141kB/s)(10.0MiB/74601msec); 0 zone resets slat (usec): min=22, max=5097, avg=162.15, stdev=270.86 clat (msec): min=138, max=896, avg=465.54, stdev=122.34 lat (msec): min=138, max=896, avg=465.71, stdev=122.35 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 275], 10.00th=[ 326], 20.00th=[ 372], | 30.00th=[ 409], 40.00th=[ 435], 50.00th=[ 460], 60.00th=[ 489], | 70.00th=[ 518], 80.00th=[ 567], 90.00th=[ 625], 95.00th=[ 676], | 99.00th=[ 793], 99.50th=[ 835], 99.90th=[ 894], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 31, max= 311, per=24.89%, avg=136.66, stdev=41.66, samples=148 iops : min= 7, max= 77, avg=33.86, stdev=10.44, samples=148 lat (msec) : 250=3.87%, 500=61.09%, 750=33.55%, 1000=1.48% cpu : usr=0.07%, sys=0.38%, ctx=2792, 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=147330: Sun Sep 6 22:56:34 2026 write: IOPS=34, BW=137KiB/s (141kB/s)(10.0MiB/74536msec); 0 zone resets slat (usec): min=24, max=6946, avg=174.54, stdev=336.88 clat (msec): min=138, max=1042, avg=465.14, stdev=121.79 lat (msec): min=138, max=1042, avg=465.31, stdev=121.81 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 275], 10.00th=[ 326], 20.00th=[ 372], | 30.00th=[ 405], 40.00th=[ 435], 50.00th=[ 460], 60.00th=[ 489], | 70.00th=[ 523], 80.00th=[ 567], 90.00th=[ 617], 95.00th=[ 667], | 99.00th=[ 776], 99.50th=[ 827], 99.90th=[ 936], 99.95th=[ 936], | 99.99th=[ 1045] bw ( KiB/s): min= 55, max= 311, per=24.89%, avg=136.66, stdev=41.20, samples=148 iops : min= 13, max= 77, avg=33.86, stdev=10.33, samples=148 lat (msec) : 250=3.91%, 500=59.22%, 750=35.39%, 1000=1.45%, 2000=0.04% cpu : usr=0.07%, sys=0.43%, ctx=2975, 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=147331: Sun Sep 6 22:56:34 2026 write: IOPS=34, BW=138KiB/s (141kB/s)(10.0MiB/74368msec); 0 zone resets slat (usec): min=21, max=3801, avg=154.83, stdev=237.61 clat (msec): min=95, max=1084, avg=464.37, stdev=125.88 lat (msec): min=95, max=1084, avg=464.52, stdev=125.88 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 264], 10.00th=[ 321], 20.00th=[ 368], | 30.00th=[ 397], 40.00th=[ 430], 50.00th=[ 464], 60.00th=[ 493], | 70.00th=[ 527], 80.00th=[ 567], 90.00th=[ 617], 95.00th=[ 667], | 99.00th=[ 802], 99.50th=[ 827], 99.90th=[ 869], 99.95th=[ 877], | 99.99th=[ 1083] bw ( KiB/s): min= 7, max= 376, per=25.06%, avg=137.56, stdev=42.94, samples=147 iops : min= 1, max= 94, avg=34.10, stdev=10.79, samples=147 lat (msec) : 100=0.62%, 250=3.44%, 500=58.79%, 750=35.12%, 1000=1.99% lat (msec) : 2000=0.04% cpu : usr=0.06%, sys=0.39%, ctx=2625, 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=147332: Sun Sep 6 22:56:34 2026 write: IOPS=34, BW=137KiB/s (141kB/s)(10.0MiB/74570msec); 0 zone resets slat (usec): min=22, max=5806, avg=161.92, stdev=266.10 clat (msec): min=95, max=1187, avg=465.47, stdev=123.25 lat (msec): min=95, max=1187, avg=465.63, stdev=123.25 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 271], 10.00th=[ 321], 20.00th=[ 372], | 30.00th=[ 401], 40.00th=[ 430], 50.00th=[ 464], 60.00th=[ 489], | 70.00th=[ 527], 80.00th=[ 567], 90.00th=[ 617], 95.00th=[ 667], | 99.00th=[ 802], 99.50th=[ 827], 99.90th=[ 978], 99.95th=[ 1083], | 99.99th=[ 1183] bw ( KiB/s): min= 63, max= 317, per=24.89%, avg=136.64, stdev=37.52, samples=148 iops : min= 15, max= 79, avg=33.86, stdev= 9.44, samples=148 lat (msec) : 100=0.04%, 250=4.06%, 500=59.41%, 750=35.00%, 1000=1.41% lat (msec) : 2000=0.08% cpu : usr=0.09%, sys=0.39%, ctx=2574, 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=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=549KiB/s (562kB/s), 137KiB/s-138KiB/s (141kB/s-141kB/s), io=40.0MiB (41.9MB), run=74368-74601msec 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=147353: Sun Sep 6 22:57:28 2026 read: IOPS=25, BW=101KiB/s (104kB/s)(5048KiB/49895msec) slat (usec): min=1610, max=22864, avg=5751.76, stdev=2704.47 clat (msec): min=20, max=374, avg=194.57, stdev=53.13 lat (msec): min=25, max=383, avg=200.33, stdev=54.06 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 117], 10.00th=[ 132], 20.00th=[ 148], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 192], 60.00th=[ 205], | 70.00th=[ 220], 80.00th=[ 241], 90.00th=[ 266], 95.00th=[ 288], | 99.00th=[ 330], 99.50th=[ 342], 99.90th=[ 372], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 15, max= 192, per=25.05%, avg=100.71, stdev=36.48, samples=99 iops : min= 3, max= 48, avg=24.94, stdev= 9.08, samples=99 write: IOPS=26, BW=104KiB/s (107kB/s)(5192KiB/49895msec); 0 zone resets slat (usec): min=30, max=9609, avg=190.47, stdev=420.05 clat (msec): min=144, max=816, avg=418.24, stdev=126.10 lat (msec): min=144, max=816, avg=418.44, stdev=126.08 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 224], 10.00th=[ 257], 20.00th=[ 309], | 30.00th=[ 351], 40.00th=[ 380], 50.00th=[ 409], 60.00th=[ 443], | 70.00th=[ 481], 80.00th=[ 523], 90.00th=[ 592], 95.00th=[ 634], | 99.00th=[ 751], 99.50th=[ 776], 99.90th=[ 793], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 46, max= 184, per=24.80%, avg=103.67, stdev=31.72, samples=99 iops : min= 11, max= 46, avg=25.68, stdev= 7.96, samples=99 lat (msec) : 50=0.20%, 100=0.66%, 250=45.23%, 500=41.21%, 750=12.23% lat (msec) : 1000=0.47% cpu : usr=0.15%, sys=0.95%, ctx=4813, 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=147354: Sun Sep 6 22:57:28 2026 read: IOPS=24, BW=99.9KiB/s (102kB/s)(4976KiB/49834msec) slat (usec): min=1526, max=20792, avg=5712.28, stdev=2575.54 clat (msec): min=11, max=387, avg=191.67, stdev=55.61 lat (msec): min=14, max=394, avg=197.39, stdev=56.46 clat percentiles (msec): | 1.00th=[ 33], 5.00th=[ 111], 10.00th=[ 129], 20.00th=[ 146], | 30.00th=[ 163], 40.00th=[ 176], 50.00th=[ 188], 60.00th=[ 203], | 70.00th=[ 218], 80.00th=[ 236], 90.00th=[ 262], 95.00th=[ 288], | 99.00th=[ 334], 99.50th=[ 342], 99.90th=[ 384], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 16, max= 216, per=24.72%, avg=99.38, stdev=37.06, samples=99 iops : min= 4, max= 54, avg=24.61, stdev= 9.28, samples=99 write: IOPS=26, BW=106KiB/s (108kB/s)(5264KiB/49834msec); 0 zone resets slat (usec): min=36, max=5827, avg=191.25, stdev=336.70 clat (msec): min=145, max=801, avg=417.85, stdev=131.54 lat (msec): min=145, max=801, avg=418.04, stdev=131.55 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 224], 10.00th=[ 251], 20.00th=[ 300], | 30.00th=[ 338], 40.00th=[ 380], 50.00th=[ 409], 60.00th=[ 443], | 70.00th=[ 481], 80.00th=[ 527], 90.00th=[ 609], 95.00th=[ 667], | 99.00th=[ 743], 99.50th=[ 768], 99.90th=[ 785], 99.95th=[ 802], | 99.99th=[ 802] bw ( KiB/s): min= 55, max= 216, per=25.20%, avg=105.34, stdev=31.34, samples=99 iops : min= 13, max= 54, avg=26.10, stdev= 7.83, samples=99 lat (msec) : 20=0.23%, 50=0.35%, 100=0.74%, 250=45.74%, 500=39.73% lat (msec) : 750=12.73%, 1000=0.47% cpu : usr=0.12%, sys=0.99%, ctx=5038, 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=147355: Sun Sep 6 22:57:28 2026 read: IOPS=24, BW=99.9KiB/s (102kB/s)(4984KiB/49894msec) slat (usec): min=1788, max=158683, avg=6024.05, stdev=5155.50 clat (msec): min=7, max=371, avg=194.48, stdev=56.74 lat (msec): min=13, max=385, avg=200.51, stdev=57.46 clat percentiles (msec): | 1.00th=[ 40], 5.00th=[ 115], 10.00th=[ 132], 20.00th=[ 148], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 190], 60.00th=[ 205], | 70.00th=[ 222], 80.00th=[ 241], 90.00th=[ 271], 95.00th=[ 296], | 99.00th=[ 338], 99.50th=[ 347], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 31, max= 231, per=24.86%, avg=99.93, stdev=38.17, samples=99 iops : min= 7, max= 57, avg=24.75, stdev= 9.55, samples=99 write: IOPS=26, BW=105KiB/s (108kB/s)(5256KiB/49894msec); 0 zone resets slat (usec): min=27, max=5308, avg=179.59, stdev=291.13 clat (msec): min=136, max=818, avg=415.98, stdev=128.28 lat (msec): min=136, max=819, avg=416.16, stdev=128.27 clat percentiles (msec): | 1.00th=[ 174], 5.00th=[ 222], 10.00th=[ 253], 20.00th=[ 300], | 30.00th=[ 342], 40.00th=[ 376], 50.00th=[ 409], 60.00th=[ 443], | 70.00th=[ 481], 80.00th=[ 527], 90.00th=[ 584], 95.00th=[ 651], | 99.00th=[ 743], 99.50th=[ 785], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 16, max= 223, per=25.04%, avg=104.67, stdev=35.65, samples=99 iops : min= 4, max= 55, avg=25.93, stdev= 8.92, samples=99 lat (msec) : 10=0.12%, 20=0.08%, 50=0.43%, 100=0.74%, 250=43.87% lat (msec) : 500=42.27%, 750=11.99%, 1000=0.51% cpu : usr=0.14%, sys=0.94%, ctx=4983, 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=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=147356: Sun Sep 6 22:57:28 2026 read: IOPS=25, BW=102KiB/s (104kB/s)(5060KiB/49605msec) slat (usec): min=45, max=23692, avg=5817.05, stdev=2850.86 clat (msec): min=12, max=419, avg=194.02, stdev=56.69 lat (msec): min=12, max=422, avg=199.84, stdev=57.68 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 113], 10.00th=[ 128], 20.00th=[ 146], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 190], 60.00th=[ 203], | 70.00th=[ 222], 80.00th=[ 243], 90.00th=[ 268], 95.00th=[ 292], | 99.00th=[ 330], 99.50th=[ 355], 99.90th=[ 384], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 16, max= 216, per=25.39%, avg=102.08, stdev=35.64, samples=98 iops : min= 4, max= 54, avg=25.29, stdev= 8.94, samples=98 write: IOPS=26, BW=104KiB/s (107kB/s)(5180KiB/49605msec); 0 zone resets slat (usec): min=26, max=5321, avg=179.70, stdev=272.03 clat (msec): min=101, max=817, avg=416.99, stdev=128.86 lat (msec): min=101, max=817, avg=417.17, stdev=128.86 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 220], 10.00th=[ 253], 20.00th=[ 300], | 30.00th=[ 342], 40.00th=[ 380], 50.00th=[ 414], 60.00th=[ 443], | 70.00th=[ 481], 80.00th=[ 527], 90.00th=[ 592], 95.00th=[ 651], | 99.00th=[ 743], 99.50th=[ 751], 99.90th=[ 818], 99.95th=[ 818], | 99.99th=[ 818] bw ( KiB/s): min= 40, max= 247, per=24.80%, avg=103.66, stdev=34.08, samples=98 iops : min= 10, max= 61, avg=25.68, stdev= 8.52, samples=98 lat (msec) : 20=0.16%, 50=0.43%, 100=0.62%, 250=44.88%, 500=40.86% lat (msec) : 750=12.70%, 1000=0.35% cpu : usr=0.13%, sys=0.96%, ctx=4958, 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=402KiB/s (412kB/s), 99.9KiB/s-102KiB/s (102kB/s-104kB/s), io=19.6MiB (20.5MB), run=49605-49895msec WRITE: bw=419KiB/s (429kB/s), 104KiB/s-106KiB/s (107kB/s-108kB/s), io=20.4MiB (21.4MB), run=49605-49895msec 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=147366: Sun Sep 6 22:57:32 2026 read: IOPS=5, BW=237MiB/s (248MB/s)(40.0MiB/169msec) slat (nsec): min=14362k, max=14362k, avg=14361545.00, stdev= 0.00 clat (nsec): min=147440k, max=147440k, avg=147439677.00, stdev= 0.00 lat (nsec): min=161806k, max=161806k, avg=161806048.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 148], 10.00th=[ 148], 20.00th=[ 148], | 30.00th=[ 148], 40.00th=[ 148], 50.00th=[ 148], 60.00th=[ 148], | 70.00th=[ 148], 80.00th=[ 148], 90.00th=[ 148], 95.00th=[ 148], | 99.00th=[ 148], 99.50th=[ 148], 99.90th=[ 148], 99.95th=[ 148], | 99.99th=[ 148] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=7.14%, ctx=41, 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=237MiB/s (248MB/s), 237MiB/s-237MiB/s (248MB/s-248MB/s), io=40.0MiB (41.9MB), run=169-169msec 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