== sanity test 398c: run fio to test AIO ================= 13:00:27 (1781283627) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.399727 s, 105 MB/s osc.lustre-OST0000-osc-ffff990052861800.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=123471: Fri Jun 12 13:02:49 2026 write: IOPS=19, BW=76.1KiB/s (77.9kB/s)(10.0MiB/134570msec); 0 zone resets slat (usec): min=20, max=18290, avg=272.59, stdev=979.97 clat (msec): min=176, max=1879, avg=840.03, stdev=254.73 lat (msec): min=176, max=1879, avg=840.30, stdev=254.78 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 468], 10.00th=[ 558], 20.00th=[ 642], | 30.00th=[ 701], 40.00th=[ 760], 50.00th=[ 810], 60.00th=[ 869], | 70.00th=[ 944], 80.00th=[ 1036], 90.00th=[ 1167], 95.00th=[ 1334], | 99.00th=[ 1569], 99.50th=[ 1687], 99.90th=[ 1754], 99.95th=[ 1821], | 99.99th=[ 1871] bw ( KiB/s): min= 7, max= 219, per=24.83%, avg=75.47, stdev=32.47, samples=267 iops : min= 1, max= 54, avg=18.40, stdev= 8.14, samples=267 lat (msec) : 250=0.74%, 500=5.98%, 750=32.11%, 1000=38.20%, 2000=22.97% cpu : usr=0.05%, sys=0.27%, ctx=1732, 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=123472: Fri Jun 12 13:02:49 2026 write: IOPS=19, BW=76.0KiB/s (77.8kB/s)(10.0MiB/134704msec); 0 zone resets slat (usec): min=23, max=13200, avg=226.02, stdev=657.24 clat (msec): min=90, max=1822, avg=841.20, stdev=251.53 lat (msec): min=90, max=1823, avg=841.42, stdev=251.55 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 468], 10.00th=[ 550], 20.00th=[ 642], | 30.00th=[ 709], 40.00th=[ 760], 50.00th=[ 810], 60.00th=[ 869], | 70.00th=[ 953], 80.00th=[ 1028], 90.00th=[ 1183], 95.00th=[ 1334], | 99.00th=[ 1552], 99.50th=[ 1703], 99.90th=[ 1787], 99.95th=[ 1821], | 99.99th=[ 1821] bw ( KiB/s): min= 7, max= 256, per=24.74%, avg=75.21, stdev=31.77, samples=268 iops : min= 1, max= 64, avg=18.34, stdev= 7.98, samples=268 lat (msec) : 100=0.04%, 250=0.74%, 500=5.74%, 750=32.23%, 1000=38.83% lat (msec) : 2000=22.42% cpu : usr=0.06%, sys=0.26%, ctx=1602, 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=123473: Fri Jun 12 13:02:49 2026 write: IOPS=19, BW=76.1KiB/s (77.9kB/s)(10.0MiB/134573msec); 0 zone resets slat (usec): min=22, max=18727, avg=273.14, stdev=908.82 clat (msec): min=75, max=1893, avg=840.39, stdev=259.14 lat (msec): min=75, max=1894, avg=840.67, stdev=259.13 clat percentiles (msec): | 1.00th=[ 247], 5.00th=[ 468], 10.00th=[ 542], 20.00th=[ 634], | 30.00th=[ 701], 40.00th=[ 751], 50.00th=[ 810], 60.00th=[ 877], | 70.00th=[ 953], 80.00th=[ 1036], 90.00th=[ 1183], 95.00th=[ 1334], | 99.00th=[ 1519], 99.50th=[ 1620], 99.90th=[ 1804], 99.95th=[ 1888], | 99.99th=[ 1888] bw ( KiB/s): min= 7, max= 218, per=24.92%, avg=75.75, stdev=32.95, samples=266 iops : min= 1, max= 54, avg=18.47, stdev= 8.24, samples=266 lat (msec) : 100=0.16%, 250=1.05%, 500=5.74%, 750=33.24%, 1000=36.33% lat (msec) : 2000=23.48% cpu : usr=0.05%, sys=0.26%, ctx=1724, 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=123474: Fri Jun 12 13:02:49 2026 write: IOPS=19, BW=76.0KiB/s (77.9kB/s)(10.0MiB/134654msec); 0 zone resets slat (usec): min=22, max=16354, avg=244.96, stdev=843.93 clat (msec): min=203, max=1812, avg=840.81, stdev=252.19 lat (msec): min=204, max=1812, avg=841.06, stdev=252.22 clat percentiles (msec): | 1.00th=[ 372], 5.00th=[ 468], 10.00th=[ 542], 20.00th=[ 634], | 30.00th=[ 701], 40.00th=[ 760], 50.00th=[ 810], 60.00th=[ 877], | 70.00th=[ 953], 80.00th=[ 1028], 90.00th=[ 1167], 95.00th=[ 1301], | 99.00th=[ 1552], 99.50th=[ 1720], 99.90th=[ 1821], 99.95th=[ 1821], | 99.99th=[ 1821] bw ( KiB/s): min= 7, max= 208, per=24.84%, avg=75.52, stdev=31.63, samples=267 iops : min= 1, max= 52, avg=18.42, stdev= 7.93, samples=267 lat (msec) : 250=0.62%, 500=5.90%, 750=32.58%, 1000=37.85%, 2000=23.05% cpu : usr=0.05%, sys=0.30%, ctx=1655, 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=304KiB/s (311kB/s), 76.0KiB/s-76.1KiB/s (77.8kB/s-77.9kB/s), io=40.0MiB (41.9MB), run=134570-134704msec 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=123516: Fri Jun 12 13:04:26 2026 read: IOPS=14, BW=56.1KiB/s (57.4kB/s)(5048KiB/90054msec) slat (usec): min=38, max=47510, avg=10447.82, stdev=6737.45 clat (msec): min=13, max=1018, avg=363.04, stdev=110.63 lat (msec): min=13, max=1026, avg=373.49, stdev=112.00 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 220], 10.00th=[ 247], 20.00th=[ 284], | 30.00th=[ 313], 40.00th=[ 330], 50.00th=[ 351], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 435], 90.00th=[ 493], 95.00th=[ 567], | 99.00th=[ 718], 99.50th=[ 768], 99.90th=[ 885], 99.95th=[ 1020], | 99.99th=[ 1020] bw ( KiB/s): min= 7, max= 159, per=25.21%, avg=55.72, stdev=25.61, samples=178 iops : min= 1, max= 39, avg=13.48, stdev= 6.42, samples=178 write: IOPS=14, BW=57.7KiB/s (59.0kB/s)(5192KiB/90054msec); 0 zone resets slat (usec): min=26, max=17737, avg=333.29, stdev=1109.99 clat (msec): min=79, max=1599, avg=745.78, stdev=241.02 lat (msec): min=79, max=1599, avg=746.12, stdev=241.01 clat percentiles (msec): | 1.00th=[ 224], 5.00th=[ 401], 10.00th=[ 460], 20.00th=[ 550], | 30.00th=[ 617], 40.00th=[ 676], 50.00th=[ 726], 60.00th=[ 776], | 70.00th=[ 835], 80.00th=[ 919], 90.00th=[ 1053], 95.00th=[ 1217], | 99.00th=[ 1452], 99.50th=[ 1502], 99.90th=[ 1552], 99.95th=[ 1603], | 99.99th=[ 1603] bw ( KiB/s): min= 7, max= 143, per=24.82%, avg=57.09, stdev=23.63, samples=178 iops : min= 1, max= 35, avg=13.83, stdev= 5.91, samples=178 lat (msec) : 20=0.12%, 50=0.35%, 100=0.12%, 250=5.39%, 500=45.55% lat (msec) : 750=24.96%, 1000=16.56%, 2000=6.95% cpu : usr=0.13%, sys=0.72%, ctx=3277, 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=123517: Fri Jun 12 13:04:26 2026 read: IOPS=13, BW=54.9KiB/s (56.2kB/s)(4976KiB/90594msec) slat (usec): min=1990, max=48777, avg=10277.57, stdev=6340.30 clat (msec): min=11, max=761, avg=362.05, stdev=106.88 lat (msec): min=15, max=773, avg=372.33, stdev=107.49 clat percentiles (msec): | 1.00th=[ 108], 5.00th=[ 222], 10.00th=[ 247], 20.00th=[ 279], | 30.00th=[ 309], 40.00th=[ 326], 50.00th=[ 347], 60.00th=[ 368], | 70.00th=[ 401], 80.00th=[ 439], 90.00th=[ 498], 95.00th=[ 558], | 99.00th=[ 709], 99.50th=[ 743], 99.90th=[ 760], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 7, max= 133, per=24.62%, avg=54.41, stdev=24.04, samples=179 iops : min= 1, max= 33, avg=13.16, stdev= 6.07, samples=179 write: IOPS=14, BW=58.1KiB/s (59.5kB/s)(5264KiB/90594msec); 0 zone resets slat (usec): min=26, max=16415, avg=270.54, stdev=976.83 clat (msec): min=188, max=1565, avg=748.32, stdev=236.43 lat (msec): min=189, max=1565, avg=748.59, stdev=236.43 clat percentiles (msec): | 1.00th=[ 257], 5.00th=[ 414], 10.00th=[ 468], 20.00th=[ 558], | 30.00th=[ 625], 40.00th=[ 676], 50.00th=[ 726], 60.00th=[ 768], | 70.00th=[ 827], 80.00th=[ 927], 90.00th=[ 1062], 95.00th=[ 1217], | 99.00th=[ 1401], 99.50th=[ 1519], 99.90th=[ 1569], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 7, max= 135, per=25.15%, avg=57.84, stdev=24.74, samples=179 iops : min= 1, max= 33, avg=14.01, stdev= 6.21, samples=179 lat (msec) : 20=0.08%, 50=0.23%, 100=0.12%, 250=5.39%, 500=44.73% lat (msec) : 750=26.41%, 1000=16.29%, 2000=6.76% cpu : usr=0.12%, sys=0.65%, ctx=3078, 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=123518: Fri Jun 12 13:04:26 2026 read: IOPS=13, BW=55.0KiB/s (56.3kB/s)(4984KiB/90601msec) slat (usec): min=1491, max=50344, avg=10308.18, stdev=6597.37 clat (msec): min=39, max=836, avg=362.01, stdev=104.03 lat (msec): min=42, max=852, avg=372.32, stdev=105.23 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 226], 10.00th=[ 251], 20.00th=[ 284], | 30.00th=[ 309], 40.00th=[ 330], 50.00th=[ 347], 60.00th=[ 368], | 70.00th=[ 397], 80.00th=[ 435], 90.00th=[ 498], 95.00th=[ 558], | 99.00th=[ 735], 99.50th=[ 760], 99.90th=[ 776], 99.95th=[ 835], | 99.99th=[ 835] bw ( KiB/s): min= 8, max= 150, per=24.95%, avg=55.14, stdev=25.29, samples=178 iops : min= 2, max= 37, avg=13.34, stdev= 6.36, samples=178 write: IOPS=14, BW=58.0KiB/s (59.4kB/s)(5256KiB/90601msec); 0 zone resets slat (usec): min=29, max=19009, avg=374.78, stdev=1362.85 clat (msec): min=188, max=1560, avg=748.60, stdev=231.02 lat (msec): min=188, max=1561, avg=748.98, stdev=230.97 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 418], 10.00th=[ 485], 20.00th=[ 567], | 30.00th=[ 625], 40.00th=[ 667], 50.00th=[ 718], 60.00th=[ 768], | 70.00th=[ 835], 80.00th=[ 911], 90.00th=[ 1053], 95.00th=[ 1200], | 99.00th=[ 1401], 99.50th=[ 1469], 99.90th=[ 1536], 99.95th=[ 1569], | 99.99th=[ 1569] bw ( KiB/s): min= 15, max= 110, per=24.98%, avg=57.46, stdev=22.37, samples=179 iops : min= 3, max= 27, avg=13.92, stdev= 5.64, samples=179 lat (msec) : 50=0.04%, 100=0.16%, 250=4.96%, 500=44.69%, 750=27.30% lat (msec) : 1000=15.94%, 2000=6.91% cpu : usr=0.12%, sys=0.68%, ctx=3207, 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=123519: Fri Jun 12 13:04:26 2026 read: IOPS=14, BW=56.2KiB/s (57.5kB/s)(5060KiB/90055msec) slat (usec): min=1759, max=44218, avg=10308.81, stdev=6162.34 clat (msec): min=6, max=894, avg=362.69, stdev=110.71 lat (msec): min=11, max=909, avg=373.01, stdev=111.76 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 222], 10.00th=[ 249], 20.00th=[ 284], | 30.00th=[ 309], 40.00th=[ 330], 50.00th=[ 351], 60.00th=[ 372], | 70.00th=[ 401], 80.00th=[ 430], 90.00th=[ 498], 95.00th=[ 575], | 99.00th=[ 709], 99.50th=[ 760], 99.90th=[ 885], 99.95th=[ 894], | 99.99th=[ 894] bw ( KiB/s): min= 7, max= 128, per=25.47%, avg=56.30, stdev=23.91, samples=177 iops : min= 1, max= 32, avg=13.63, stdev= 6.02, samples=177 write: IOPS=14, BW=57.5KiB/s (58.9kB/s)(5180KiB/90055msec); 0 zone resets slat (usec): min=26, max=31455, avg=339.62, stdev=1302.93 clat (msec): min=108, max=1665, avg=746.55, stdev=239.40 lat (msec): min=114, max=1665, avg=746.89, stdev=239.37 clat percentiles (msec): | 1.00th=[ 234], 5.00th=[ 393], 10.00th=[ 468], 20.00th=[ 558], | 30.00th=[ 617], 40.00th=[ 667], 50.00th=[ 718], 60.00th=[ 768], | 70.00th=[ 835], 80.00th=[ 927], 90.00th=[ 1070], 95.00th=[ 1217], | 99.00th=[ 1469], 99.50th=[ 1536], 99.90th=[ 1670], 99.95th=[ 1670], | 99.99th=[ 1670] bw ( KiB/s): min= 8, max= 127, per=24.74%, avg=56.90, stdev=22.47, samples=178 iops : min= 2, max= 31, avg=13.79, stdev= 5.61, samples=178 lat (msec) : 10=0.04%, 20=0.08%, 50=0.27%, 100=0.16%, 250=4.96% lat (msec) : 500=45.43%, 750=26.99%, 1000=15.27%, 2000=6.80% cpu : usr=0.11%, sys=0.69%, ctx=3259, 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=221KiB/s (227kB/s), 54.9KiB/s-56.2KiB/s (56.2kB/s-57.5kB/s), io=19.6MiB (20.5MB), run=90054-90601msec WRITE: bw=231KiB/s (236kB/s), 57.5KiB/s-58.1KiB/s (58.9kB/s-59.5kB/s), io=20.4MiB (21.4MB), run=90054-90601msec 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=123537: Fri Jun 12 13:04:35 2026 read: IOPS=2, BW=105MiB/s (110MB/s)(40.0MiB/382msec) slat (nsec): min=24552k, max=24552k, avg=24551744.00, stdev= 0.00 clat (nsec): min=348132k, max=348132k, avg=348132222.00, stdev= 0.00 lat (nsec): min=372689k, max=372689k, avg=372689496.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 351], 10.00th=[ 351], 20.00th=[ 351], | 30.00th=[ 351], 40.00th=[ 351], 50.00th=[ 351], 60.00th=[ 351], | 70.00th=[ 351], 80.00th=[ 351], 90.00th=[ 351], 95.00th=[ 351], | 99.00th=[ 351], 99.50th=[ 351], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=3.41%, ctx=5, 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=105MiB/s (110MB/s), 105MiB/s-105MiB/s (110MB/s-110MB/s), io=40.0MiB (41.9MB), run=382-382msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck