== sanity test 398c: run fio to test AIO ================= 19:37:08 (1781221028) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.184539 s, 227 MB/s osc.lustre-OST0000-osc-ffff953eaa9e9000.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=155388: Thu Jun 11 19:38:33 2026 write: IOPS=31, BW=127KiB/s (130kB/s)(10.0MiB/80924msec); 0 zone resets slat (usec): min=37, max=4581, avg=250.36, stdev=358.17 clat (msec): min=176, max=903, avg=504.88, stdev=108.84 lat (msec): min=176, max=903, avg=505.14, stdev=108.85 clat percentiles (msec): | 1.00th=[ 199], 5.00th=[ 330], 10.00th=[ 376], 20.00th=[ 418], | 30.00th=[ 451], 40.00th=[ 485], 50.00th=[ 506], 60.00th=[ 531], | 70.00th=[ 558], 80.00th=[ 592], 90.00th=[ 634], 95.00th=[ 667], | 99.00th=[ 776], 99.50th=[ 844], 99.90th=[ 877], 99.95th=[ 877], | 99.99th=[ 902] bw ( KiB/s): min= 31, max= 256, per=24.85%, avg=125.73, stdev=31.39, samples=161 iops : min= 7, max= 64, avg=31.13, stdev= 7.86, samples=161 lat (msec) : 250=2.23%, 500=44.77%, 750=51.84%, 1000=1.17% cpu : usr=0.06%, sys=0.47%, ctx=3134, 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=155389: Thu Jun 11 19:38:33 2026 write: IOPS=31, BW=127KiB/s (130kB/s)(10.0MiB/80889msec); 0 zone resets slat (usec): min=36, max=5463, avg=240.04, stdev=320.79 clat (msec): min=163, max=915, avg=504.82, stdev=112.15 lat (msec): min=163, max=915, avg=505.06, stdev=112.16 clat percentiles (msec): | 1.00th=[ 178], 5.00th=[ 334], 10.00th=[ 372], 20.00th=[ 418], | 30.00th=[ 451], 40.00th=[ 477], 50.00th=[ 502], 60.00th=[ 527], | 70.00th=[ 558], 80.00th=[ 600], 90.00th=[ 642], 95.00th=[ 684], | 99.00th=[ 776], 99.50th=[ 844], 99.90th=[ 885], 99.95th=[ 894], | 99.99th=[ 919] bw ( KiB/s): min= 23, max= 259, per=24.83%, avg=125.66, stdev=34.54, samples=161 iops : min= 5, max= 64, avg=31.11, stdev= 8.65, samples=161 lat (msec) : 250=1.95%, 500=46.80%, 750=49.88%, 1000=1.37% cpu : usr=0.06%, sys=0.46%, ctx=2967, 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=155390: Thu Jun 11 19:38:33 2026 write: IOPS=31, BW=127KiB/s (130kB/s)(10.0MiB/80725msec); 0 zone resets slat (usec): min=39, max=6983, avg=261.76, stdev=360.11 clat (msec): min=74, max=904, avg=504.05, stdev=113.15 lat (msec): min=74, max=904, avg=504.31, stdev=113.15 clat percentiles (msec): | 1.00th=[ 178], 5.00th=[ 317], 10.00th=[ 376], 20.00th=[ 418], | 30.00th=[ 451], 40.00th=[ 481], 50.00th=[ 506], 60.00th=[ 531], | 70.00th=[ 558], 80.00th=[ 592], 90.00th=[ 642], 95.00th=[ 684], | 99.00th=[ 768], 99.50th=[ 802], 99.90th=[ 869], 99.95th=[ 869], | 99.99th=[ 902] bw ( KiB/s): min= 47, max= 310, per=24.93%, avg=126.16, stdev=33.45, samples=160 iops : min= 11, max= 77, avg=31.23, stdev= 8.41, samples=160 lat (msec) : 100=0.08%, 250=2.81%, 500=45.51%, 750=50.20%, 1000=1.41% cpu : usr=0.07%, sys=0.48%, ctx=3353, 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=155391: Thu Jun 11 19:38:33 2026 write: IOPS=31, BW=127KiB/s (130kB/s)(10.0MiB/80925msec); 0 zone resets slat (usec): min=40, max=4932, avg=257.50, stdev=363.29 clat (msec): min=166, max=912, avg=504.98, stdev=109.20 lat (msec): min=167, max=912, avg=505.24, stdev=109.22 clat percentiles (msec): | 1.00th=[ 213], 5.00th=[ 321], 10.00th=[ 376], 20.00th=[ 418], | 30.00th=[ 451], 40.00th=[ 481], 50.00th=[ 506], 60.00th=[ 531], | 70.00th=[ 558], 80.00th=[ 592], 90.00th=[ 634], 95.00th=[ 676], | 99.00th=[ 776], 99.50th=[ 810], 99.90th=[ 885], 99.95th=[ 894], | 99.99th=[ 911] bw ( KiB/s): min= 31, max= 256, per=24.85%, avg=125.73, stdev=30.12, samples=161 iops : min= 7, max= 64, avg=31.12, stdev= 7.53, samples=161 lat (msec) : 250=2.38%, 500=45.00%, 750=51.17%, 1000=1.45% cpu : usr=0.05%, sys=0.49%, ctx=2967, 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=506KiB/s (518kB/s), 127KiB/s-127KiB/s (130kB/s-130kB/s), io=40.0MiB (41.9MB), run=80725-80925msec 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=155413: Thu Jun 11 19:39:19 2026 read: IOPS=29, BW=117KiB/s (120kB/s)(5048KiB/43007msec) slat (usec): min=1553, max=18606, avg=5439.05, stdev=2325.48 clat (msec): min=7, max=366, avg=169.97, stdev=41.55 lat (msec): min=11, max=375, avg=175.42, stdev=42.02 clat percentiles (msec): | 1.00th=[ 44], 5.00th=[ 112], 10.00th=[ 128], 20.00th=[ 140], | 30.00th=[ 150], 40.00th=[ 161], 50.00th=[ 169], 60.00th=[ 178], | 70.00th=[ 186], 80.00th=[ 199], 90.00th=[ 220], 95.00th=[ 241], | 99.00th=[ 279], 99.50th=[ 330], 99.90th=[ 351], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 55, max= 207, per=25.10%, avg=116.99, stdev=36.51, samples=85 iops : min= 13, max= 51, avg=28.93, stdev= 9.13, samples=85 write: IOPS=30, BW=121KiB/s (124kB/s)(5192KiB/43007msec); 0 zone resets slat (usec): min=56, max=4184, avg=259.66, stdev=286.50 clat (msec): min=138, max=724, avg=358.14, stdev=94.22 lat (msec): min=138, max=724, avg=358.40, stdev=94.24 clat percentiles (msec): | 1.00th=[ 174], 5.00th=[ 218], 10.00th=[ 249], 20.00th=[ 279], | 30.00th=[ 309], 40.00th=[ 330], 50.00th=[ 351], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 422], 90.00th=[ 477], 95.00th=[ 535], | 99.00th=[ 642], 99.50th=[ 676], 99.90th=[ 718], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 63, max= 191, per=24.80%, avg=120.29, stdev=27.82, samples=85 iops : min= 15, max= 47, avg=29.74, stdev= 6.97, samples=85 lat (msec) : 10=0.04%, 20=0.16%, 50=0.35%, 100=0.78%, 250=51.60% lat (msec) : 500=43.52%, 750=3.55% cpu : usr=0.12%, sys=1.26%, ctx=5314, 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=155414: Thu Jun 11 19:39:19 2026 read: IOPS=28, BW=116KiB/s (119kB/s)(4976KiB/42954msec) slat (usec): min=67, max=17697, avg=5386.17, stdev=2224.86 clat (msec): min=3, max=373, avg=169.26, stdev=43.33 lat (msec): min=9, max=381, avg=174.65, stdev=43.82 clat percentiles (msec): | 1.00th=[ 36], 5.00th=[ 111], 10.00th=[ 126], 20.00th=[ 140], | 30.00th=[ 148], 40.00th=[ 159], 50.00th=[ 165], 60.00th=[ 176], | 70.00th=[ 184], 80.00th=[ 201], 90.00th=[ 224], 95.00th=[ 245], | 99.00th=[ 288], 99.50th=[ 321], 99.90th=[ 363], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 16, max= 208, per=24.76%, avg=115.40, stdev=38.98, samples=85 iops : min= 4, max= 52, avg=28.53, stdev= 9.75, samples=85 write: IOPS=30, BW=123KiB/s (125kB/s)(5264KiB/42954msec); 0 zone resets slat (usec): min=54, max=5714, avg=259.24, stdev=357.85 clat (msec): min=49, max=694, avg=356.43, stdev=94.15 lat (msec): min=49, max=694, avg=356.69, stdev=94.16 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 215], 10.00th=[ 249], 20.00th=[ 279], | 30.00th=[ 309], 40.00th=[ 330], 50.00th=[ 351], 60.00th=[ 372], | 70.00th=[ 393], 80.00th=[ 422], 90.00th=[ 477], 95.00th=[ 531], | 99.00th=[ 617], 99.50th=[ 667], 99.90th=[ 693], 99.95th=[ 693], | 99.99th=[ 693] bw ( KiB/s): min= 40, max= 199, per=25.19%, avg=122.18, stdev=30.20, samples=85 iops : min= 10, max= 49, avg=30.22, stdev= 7.58, samples=85 lat (msec) : 4=0.04%, 10=0.12%, 20=0.12%, 50=0.43%, 100=0.78% lat (msec) : 250=50.35%, 500=44.45%, 750=3.71% cpu : usr=0.15%, sys=1.24%, ctx=5192, 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=155415: Thu Jun 11 19:39:19 2026 read: IOPS=28, BW=116KiB/s (119kB/s)(4984KiB/43044msec) slat (usec): min=1895, max=18108, avg=5333.85, stdev=2127.02 clat (msec): min=9, max=372, avg=169.03, stdev=39.92 lat (msec): min=13, max=379, avg=174.37, stdev=40.38 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 113], 10.00th=[ 126], 20.00th=[ 138], | 30.00th=[ 148], 40.00th=[ 159], 50.00th=[ 167], 60.00th=[ 176], | 70.00th=[ 184], 80.00th=[ 199], 90.00th=[ 218], 95.00th=[ 239], | 99.00th=[ 279], 99.50th=[ 284], 99.90th=[ 351], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 23, max= 216, per=24.73%, avg=115.25, stdev=40.97, samples=85 iops : min= 5, max= 54, avg=28.48, stdev=10.23, samples=85 write: IOPS=30, BW=122KiB/s (125kB/s)(5256KiB/43044msec); 0 zone resets slat (usec): min=47, max=5503, avg=244.68, stdev=272.12 clat (msec): min=75, max=724, avg=357.44, stdev=96.44 lat (msec): min=75, max=725, avg=357.68, stdev=96.46 clat percentiles (msec): | 1.00th=[ 165], 5.00th=[ 218], 10.00th=[ 241], 20.00th=[ 279], | 30.00th=[ 305], 40.00th=[ 330], 50.00th=[ 347], 60.00th=[ 372], | 70.00th=[ 393], 80.00th=[ 426], 90.00th=[ 485], 95.00th=[ 542], | 99.00th=[ 642], 99.50th=[ 676], 99.90th=[ 693], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 63, max= 208, per=24.90%, avg=120.74, stdev=27.57, samples=85 iops : min= 15, max= 52, avg=29.86, stdev= 6.87, samples=85 lat (msec) : 10=0.04%, 20=0.04%, 50=0.31%, 100=0.74%, 250=52.03% lat (msec) : 500=42.66%, 750=4.18% cpu : usr=0.13%, sys=1.25%, ctx=5263, 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=155416: Thu Jun 11 19:39:19 2026 read: IOPS=29, BW=118KiB/s (121kB/s)(5060KiB/42923msec) slat (usec): min=1822, max=20751, avg=5428.64, stdev=2359.74 clat (msec): min=9, max=354, avg=170.75, stdev=40.44 lat (msec): min=12, max=358, avg=176.18, stdev=40.90 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 113], 10.00th=[ 129], 20.00th=[ 140], | 30.00th=[ 150], 40.00th=[ 159], 50.00th=[ 167], 60.00th=[ 178], | 70.00th=[ 186], 80.00th=[ 199], 90.00th=[ 220], 95.00th=[ 245], | 99.00th=[ 284], 99.50th=[ 313], 99.90th=[ 351], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 32, max= 192, per=25.23%, avg=117.59, stdev=32.21, samples=85 iops : min= 8, max= 48, avg=29.07, stdev= 8.09, samples=85 write: IOPS=30, BW=121KiB/s (124kB/s)(5180KiB/42923msec); 0 zone resets slat (usec): min=44, max=9368, avg=264.63, stdev=429.47 clat (msec): min=149, max=726, avg=356.88, stdev=95.57 lat (msec): min=149, max=726, avg=357.15, stdev=95.58 clat percentiles (msec): | 1.00th=[ 182], 5.00th=[ 218], 10.00th=[ 243], 20.00th=[ 275], | 30.00th=[ 309], 40.00th=[ 330], 50.00th=[ 347], 60.00th=[ 368], | 70.00th=[ 388], 80.00th=[ 422], 90.00th=[ 485], 95.00th=[ 542], | 99.00th=[ 651], 99.50th=[ 684], 99.90th=[ 726], 99.95th=[ 726], | 99.99th=[ 726] bw ( KiB/s): min= 56, max= 207, per=24.84%, avg=120.46, stdev=33.07, samples=85 iops : min= 14, max= 51, avg=29.79, stdev= 8.27, samples=85 lat (msec) : 10=0.04%, 20=0.04%, 50=0.20%, 100=0.74%, 250=52.42% lat (msec) : 500=42.70%, 750=3.87% cpu : usr=0.16%, sys=1.22%, ctx=5082, 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=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=466KiB/s (477kB/s), 116KiB/s-118KiB/s (119kB/s-121kB/s), io=19.6MiB (20.5MB), run=42923-43044msec WRITE: bw=485KiB/s (497kB/s), 121KiB/s-123KiB/s (124kB/s-125kB/s), io=20.4MiB (21.4MB), run=42923-43044msec 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=155426: Thu Jun 11 19:39:24 2026 read: IOPS=5, BW=202MiB/s (212MB/s)(40.0MiB/198msec) slat (nsec): min=13944k, max=13944k, avg=13944261.00, stdev= 0.00 clat (nsec): min=171711k, max=171711k, avg=171711407.00, stdev= 0.00 lat (nsec): min=185660k, max=185660k, avg=185659556.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 171], 5.00th=[ 171], 10.00th=[ 171], 20.00th=[ 171], | 30.00th=[ 171], 40.00th=[ 171], 50.00th=[ 171], 60.00th=[ 171], | 70.00th=[ 171], 80.00th=[ 171], 90.00th=[ 171], 95.00th=[ 171], | 99.00th=[ 171], 99.50th=[ 171], 99.90th=[ 171], 99.95th=[ 171], | 99.99th=[ 171] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=5.58%, 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=202MiB/s (212MB/s), 202MiB/s-202MiB/s (212MB/s-212MB/s), io=40.0MiB (41.9MB), run=198-198msec 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