== sanity test 398c: run fio to test AIO ================= 07:27:10 (1782732430) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.426111 s, 98.4 MB/s osc.lustre-OST0000-osc-ffff8919ed4db800.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=145050: Mon Jun 29 07:28:58 2026 write: IOPS=25, BW=104KiB/s (106kB/s)(10.0MiB/98711msec); 0 zone resets slat (usec): min=35, max=15977, avg=181.02, stdev=630.33 clat (msec): min=222, max=1273, avg=616.41, stdev=125.88 lat (msec): min=222, max=1273, avg=616.60, stdev=125.87 clat percentiles (msec): | 1.00th=[ 384], 5.00th=[ 472], 10.00th=[ 502], 20.00th=[ 531], | 30.00th=[ 558], 40.00th=[ 575], 50.00th=[ 592], 60.00th=[ 609], | 70.00th=[ 642], 80.00th=[ 667], 90.00th=[ 768], 95.00th=[ 869], | 99.00th=[ 1036], 99.50th=[ 1167], 99.90th=[ 1267], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 8, max= 151, per=24.88%, avg=103.01, stdev=27.12, samples=196 iops : min= 2, max= 37, avg=25.31, stdev= 6.79, samples=196 lat (msec) : 250=0.08%, 500=8.63%, 750=79.92%, 1000=9.45%, 2000=1.91% cpu : usr=0.05%, sys=0.33%, ctx=1869, 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=145051: Mon Jun 29 07:28:58 2026 write: IOPS=25, BW=104KiB/s (106kB/s)(10.0MiB/98671msec); 0 zone resets slat (usec): min=37, max=15909, avg=209.38, stdev=596.37 clat (msec): min=315, max=1266, avg=615.64, stdev=128.04 lat (msec): min=316, max=1266, avg=615.85, stdev=128.04 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 477], 10.00th=[ 502], 20.00th=[ 531], | 30.00th=[ 550], 40.00th=[ 575], 50.00th=[ 592], 60.00th=[ 609], | 70.00th=[ 634], 80.00th=[ 684], 90.00th=[ 768], 95.00th=[ 869], | 99.00th=[ 1099], 99.50th=[ 1150], 99.90th=[ 1267], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 16, max= 159, per=24.92%, avg=103.18, stdev=25.13, samples=196 iops : min= 4, max= 39, avg=25.35, stdev= 6.28, samples=196 lat (msec) : 500=9.77%, 750=78.44%, 1000=9.84%, 2000=1.95% cpu : usr=0.06%, sys=0.41%, ctx=2525, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=145052: Mon Jun 29 07:28:58 2026 write: IOPS=26, BW=104KiB/s (107kB/s)(10.0MiB/98290msec); 0 zone resets slat (usec): min=35, max=16868, avg=233.45, stdev=675.79 clat (msec): min=57, max=1277, avg=613.75, stdev=130.48 lat (msec): min=58, max=1277, avg=613.99, stdev=130.49 clat percentiles (msec): | 1.00th=[ 355], 5.00th=[ 472], 10.00th=[ 498], 20.00th=[ 531], | 30.00th=[ 550], 40.00th=[ 567], 50.00th=[ 584], 60.00th=[ 609], | 70.00th=[ 634], 80.00th=[ 684], 90.00th=[ 776], 95.00th=[ 869], | 99.00th=[ 1070], 99.50th=[ 1183], 99.90th=[ 1284], 99.95th=[ 1284], | 99.99th=[ 1284] bw ( KiB/s): min= 24, max= 151, per=25.05%, avg=103.70, stdev=26.83, samples=195 iops : min= 6, max= 37, avg=25.48, stdev= 6.70, samples=195 lat (msec) : 100=0.08%, 250=0.31%, 500=10.23%, 750=77.77%, 1000=9.65% lat (msec) : 2000=1.95% cpu : usr=0.05%, sys=0.38%, ctx=2281, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=145053: Mon Jun 29 07:28:58 2026 write: IOPS=26, BW=104KiB/s (107kB/s)(10.0MiB/98439msec); 0 zone resets slat (usec): min=36, max=10210, avg=235.74, stdev=657.05 clat (msec): min=105, max=1267, avg=614.14, stdev=126.03 lat (msec): min=105, max=1267, avg=614.38, stdev=126.02 clat percentiles (msec): | 1.00th=[ 355], 5.00th=[ 477], 10.00th=[ 502], 20.00th=[ 531], | 30.00th=[ 550], 40.00th=[ 575], 50.00th=[ 592], 60.00th=[ 609], | 70.00th=[ 634], 80.00th=[ 676], 90.00th=[ 768], 95.00th=[ 869], | 99.00th=[ 1045], 99.50th=[ 1116], 99.90th=[ 1267], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 31, max= 151, per=25.05%, avg=103.71, stdev=24.75, samples=195 iops : min= 7, max= 37, avg=25.48, stdev= 6.24, samples=195 lat (msec) : 250=0.04%, 500=9.96%, 750=79.14%, 1000=8.98%, 2000=1.88% cpu : usr=0.05%, sys=0.38%, ctx=2443, 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 Run status group 0 (all jobs): WRITE: bw=415KiB/s (425kB/s), 104KiB/s-104KiB/s (106kB/s-107kB/s), io=40.0MiB (41.9MB), run=98290-98711msec 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=145087: Mon Jun 29 07:30:23 2026 read: IOPS=16, BW=66.3KiB/s (67.8kB/s)(5048KiB/76189msec) slat (usec): min=2669, max=63305, avg=14487.03, stdev=8147.78 clat (msec): min=21, max=1116, avg=433.95, stdev=107.95 lat (msec): min=25, max=1133, avg=448.44, stdev=108.97 clat percentiles (msec): | 1.00th=[ 268], 5.00th=[ 305], 10.00th=[ 326], 20.00th=[ 351], | 30.00th=[ 372], 40.00th=[ 393], 50.00th=[ 414], 60.00th=[ 439], | 70.00th=[ 464], 80.00th=[ 502], 90.00th=[ 575], 95.00th=[ 625], | 99.00th=[ 785], 99.50th=[ 818], 99.90th=[ 1099], 99.95th=[ 1116], | 99.99th=[ 1116] bw ( KiB/s): min= 8, max= 136, per=25.16%, avg=66.18, stdev=24.94, samples=150 iops : min= 2, max= 34, avg=16.09, stdev= 6.28, samples=150 write: IOPS=17, BW=68.1KiB/s (69.8kB/s)(5192KiB/76189msec); 0 zone resets slat (usec): min=39, max=16012, avg=328.59, stdev=1048.30 clat (msec): min=267, max=1206, avg=499.86, stdev=115.93 lat (msec): min=267, max=1206, avg=500.20, stdev=115.98 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 347], 10.00th=[ 376], 20.00th=[ 409], | 30.00th=[ 435], 40.00th=[ 456], 50.00th=[ 481], 60.00th=[ 506], | 70.00th=[ 535], 80.00th=[ 584], 90.00th=[ 642], 95.00th=[ 726], | 99.00th=[ 869], 99.50th=[ 902], 99.90th=[ 1116], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 8, max= 127, per=24.70%, avg=67.67, stdev=22.73, samples=151 iops : min= 2, max= 31, avg=16.46, stdev= 5.67, samples=151 lat (msec) : 50=0.04%, 100=0.04%, 250=0.23%, 500=68.01%, 750=28.91% lat (msec) : 1000=2.54%, 2000=0.23% cpu : usr=0.13%, sys=0.91%, ctx=4682, 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=145088: Mon Jun 29 07:30:23 2026 read: IOPS=16, BW=65.5KiB/s (67.1kB/s)(4976KiB/75922msec) slat (usec): min=2569, max=49005, avg=14342.25, stdev=7815.22 clat (msec): min=212, max=1160, avg=434.57, stdev=105.98 lat (msec): min=223, max=1171, avg=448.92, stdev=107.15 clat percentiles (msec): | 1.00th=[ 259], 5.00th=[ 296], 10.00th=[ 317], 20.00th=[ 351], | 30.00th=[ 372], 40.00th=[ 397], 50.00th=[ 418], 60.00th=[ 443], | 70.00th=[ 468], 80.00th=[ 502], 90.00th=[ 575], 95.00th=[ 625], | 99.00th=[ 793], 99.50th=[ 818], 99.90th=[ 953], 99.95th=[ 1167], | 99.99th=[ 1167] bw ( KiB/s): min= 15, max= 135, per=24.77%, avg=65.15, stdev=23.70, samples=150 iops : min= 3, max= 33, avg=15.83, stdev= 5.91, samples=150 write: IOPS=17, BW=69.3KiB/s (70.0kB/s)(5264KiB/75922msec); 0 zone resets slat (usec): min=37, max=23377, avg=319.78, stdev=982.87 clat (msec): min=255, max=1237, avg=496.19, stdev=111.54 lat (msec): min=255, max=1237, avg=496.51, stdev=111.60 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 347], 10.00th=[ 376], 20.00th=[ 401], | 30.00th=[ 430], 40.00th=[ 456], 50.00th=[ 485], 60.00th=[ 510], | 70.00th=[ 542], 80.00th=[ 575], 90.00th=[ 642], 95.00th=[ 693], | 99.00th=[ 827], 99.50th=[ 885], 99.90th=[ 1217], 99.95th=[ 1234], | 99.99th=[ 1234] bw ( KiB/s): min= 24, max= 128, per=25.23%, avg=69.14, stdev=20.11, samples=150 iops : min= 6, max= 32, avg=16.83, stdev= 5.05, samples=150 lat (msec) : 250=0.27%, 500=67.27%, 750=30.20%, 1000=2.15%, 2000=0.12% cpu : usr=0.11%, sys=0.85%, ctx=4369, 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=145089: Mon Jun 29 07:30:23 2026 read: IOPS=16, BW=65.5KiB/s (67.1kB/s)(4984KiB/76074msec) slat (usec): min=2794, max=59305, avg=14492.60, stdev=8205.02 clat (msec): min=60, max=1246, avg=432.71, stdev=105.12 lat (msec): min=70, max=1251, avg=447.21, stdev=106.30 clat percentiles (msec): | 1.00th=[ 264], 5.00th=[ 296], 10.00th=[ 321], 20.00th=[ 351], | 30.00th=[ 376], 40.00th=[ 393], 50.00th=[ 418], 60.00th=[ 439], | 70.00th=[ 464], 80.00th=[ 506], 90.00th=[ 575], 95.00th=[ 625], | 99.00th=[ 751], 99.50th=[ 810], 99.90th=[ 995], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 15, max= 128, per=24.90%, avg=65.48, stdev=24.54, samples=150 iops : min= 3, max= 32, avg=15.91, stdev= 6.15, samples=150 write: IOPS=17, BW=69.1KiB/s (70.7kB/s)(5256KiB/76074msec); 0 zone resets slat (usec): min=42, max=19321, avg=337.07, stdev=1106.12 clat (msec): min=258, max=1143, avg=499.25, stdev=116.11 lat (msec): min=258, max=1143, avg=499.59, stdev=116.16 clat percentiles (msec): | 1.00th=[ 292], 5.00th=[ 342], 10.00th=[ 372], 20.00th=[ 405], | 30.00th=[ 435], 40.00th=[ 460], 50.00th=[ 485], 60.00th=[ 510], | 70.00th=[ 542], 80.00th=[ 575], 90.00th=[ 634], 95.00th=[ 718], | 99.00th=[ 885], 99.50th=[ 919], 99.90th=[ 1099], 99.95th=[ 1150], | 99.99th=[ 1150] bw ( KiB/s): min= 15, max= 127, per=24.95%, avg=68.36, stdev=21.18, samples=151 iops : min= 3, max= 31, avg=16.64, stdev= 5.33, samples=151 lat (msec) : 100=0.12%, 250=0.20%, 500=67.11%, 750=30.08%, 1000=2.34% lat (msec) : 2000=0.16% cpu : usr=0.12%, sys=0.87%, ctx=4502, 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=145090: Mon Jun 29 07:30:23 2026 read: IOPS=16, BW=67.2KiB/s (68.8kB/s)(5060KiB/75319msec) slat (usec): min=89, max=57816, avg=14087.75, stdev=8096.08 clat (msec): min=16, max=1271, avg=430.20, stdev=112.12 lat (msec): min=28, max=1295, avg=444.29, stdev=113.31 clat percentiles (msec): | 1.00th=[ 239], 5.00th=[ 296], 10.00th=[ 313], 20.00th=[ 347], | 30.00th=[ 372], 40.00th=[ 393], 50.00th=[ 414], 60.00th=[ 439], | 70.00th=[ 468], 80.00th=[ 506], 90.00th=[ 567], 95.00th=[ 617], | 99.00th=[ 793], 99.50th=[ 818], 99.90th=[ 1217], 99.95th=[ 1267], | 99.99th=[ 1267] bw ( KiB/s): min= 7, max= 149, per=25.56%, avg=67.22, stdev=24.31, samples=148 iops : min= 1, max= 37, avg=16.36, stdev= 6.12, samples=148 write: IOPS=17, BW=68.8KiB/s (70.4kB/s)(5180KiB/75319msec); 0 zone resets slat (usec): min=53, max=20293, avg=312.13, stdev=888.05 clat (msec): min=137, max=1310, avg=495.26, stdev=120.59 lat (msec): min=137, max=1313, avg=495.58, stdev=120.62 clat percentiles (msec): | 1.00th=[ 271], 5.00th=[ 347], 10.00th=[ 372], 20.00th=[ 401], | 30.00th=[ 426], 40.00th=[ 451], 50.00th=[ 472], 60.00th=[ 498], | 70.00th=[ 535], 80.00th=[ 584], 90.00th=[ 651], 95.00th=[ 718], | 99.00th=[ 877], 99.50th=[ 894], 99.90th=[ 1318], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 15, max= 127, per=24.99%, avg=68.46, stdev=21.04, samples=149 iops : min= 3, max= 31, avg=16.66, stdev= 5.24, samples=149 lat (msec) : 20=0.04%, 50=0.16%, 250=0.78%, 500=68.48%, 750=28.16% lat (msec) : 1000=2.11%, 2000=0.27% cpu : usr=0.10%, sys=0.86%, ctx=4838, 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=263KiB/s (270kB/s), 65.5KiB/s-67.2KiB/s (67.1kB/s-68.8kB/s), io=19.6MiB (20.5MB), run=75319-76189msec WRITE: bw=274KiB/s (281kB/s), 68.1KiB/s-69.3KiB/s (69.8kB/s-70.0kB/s), io=20.4MiB (21.4MB), run=75319-76189msec 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=145106: Mon Jun 29 07:30:34 2026 read: IOPS=1, BW=77.5MiB/s (81.3MB/s)(40.0MiB/516msec) slat (nsec): min=20018k, max=20018k, avg=20017806.00, stdev= 0.00 clat (nsec): min=481636k, max=481636k, avg=481636257.00, stdev= 0.00 lat (nsec): min=501658k, max=501658k, avg=501658238.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 481], 5.00th=[ 481], 10.00th=[ 481], 20.00th=[ 481], | 30.00th=[ 481], 40.00th=[ 481], 50.00th=[ 481], 60.00th=[ 481], | 70.00th=[ 481], 80.00th=[ 481], 90.00th=[ 481], 95.00th=[ 481], | 99.00th=[ 481], 99.50th=[ 481], 99.90th=[ 481], 99.95th=[ 481], | 99.99th=[ 481] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.52%, ctx=23, 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=77.5MiB/s (81.3MB/s), 77.5MiB/s-77.5MiB/s (81.3MB/s-81.3MB/s), io=40.0MiB (41.9MB), run=516-516msec 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