== sanity test 398c: run fio to test AIO ================= 18:58:55 (1781218735) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.241032 s, 174 MB/s osc.lustre-OST0000-osc-ffff9ae2f1829800.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=155102: Thu Jun 11 18:59:55 2026 write: IOPS=46, BW=187KiB/s (191kB/s)(10.0MiB/54792msec); 0 zone resets slat (usec): min=44, max=3851, avg=246.88, stdev=204.08 clat (msec): min=58, max=735, avg=342.00, stdev=82.73 lat (msec): min=58, max=736, avg=342.25, stdev=82.73 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 207], 10.00th=[ 243], 20.00th=[ 284], | 30.00th=[ 305], 40.00th=[ 321], 50.00th=[ 342], 60.00th=[ 363], | 70.00th=[ 384], 80.00th=[ 409], 90.00th=[ 443], 95.00th=[ 477], | 99.00th=[ 527], 99.50th=[ 558], 99.90th=[ 676], 99.95th=[ 676], | 99.99th=[ 735] bw ( KiB/s): min= 87, max= 434, per=24.93%, avg=185.51, stdev=47.61, samples=109 iops : min= 21, max= 108, avg=46.14, stdev=11.90, samples=109 lat (msec) : 100=0.23%, 250=11.60%, 500=85.78%, 750=2.38% cpu : usr=0.10%, sys=0.82%, ctx=3143, 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=155103: Thu Jun 11 18:59:55 2026 write: IOPS=46, BW=186KiB/s (191kB/s)(10.0MiB/54930msec); 0 zone resets slat (usec): min=39, max=3838, avg=245.89, stdev=213.49 clat (msec): min=58, max=623, avg=342.76, stdev=83.71 lat (msec): min=58, max=623, avg=343.01, stdev=83.72 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 211], 10.00th=[ 241], 20.00th=[ 279], | 30.00th=[ 305], 40.00th=[ 321], 50.00th=[ 342], 60.00th=[ 368], | 70.00th=[ 388], 80.00th=[ 409], 90.00th=[ 447], 95.00th=[ 472], | 99.00th=[ 542], 99.50th=[ 550], 99.90th=[ 625], 99.95th=[ 625], | 99.99th=[ 625] bw ( KiB/s): min= 119, max= 434, per=24.93%, avg=185.51, stdev=47.42, samples=109 iops : min= 29, max= 108, avg=46.14, stdev=11.84, samples=109 lat (msec) : 100=0.78%, 250=11.13%, 500=85.35%, 750=2.73% cpu : usr=0.10%, sys=0.82%, ctx=3019, 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=155104: Thu Jun 11 18:59:55 2026 write: IOPS=46, BW=186KiB/s (191kB/s)(10.0MiB/55001msec); 0 zone resets slat (usec): min=38, max=3710, avg=237.26, stdev=208.08 clat (msec): min=100, max=577, avg=343.13, stdev=79.03 lat (msec): min=100, max=577, avg=343.37, stdev=79.04 clat percentiles (msec): | 1.00th=[ 148], 5.00th=[ 207], 10.00th=[ 249], 20.00th=[ 284], | 30.00th=[ 305], 40.00th=[ 321], 50.00th=[ 342], 60.00th=[ 363], | 70.00th=[ 384], 80.00th=[ 409], 90.00th=[ 443], 95.00th=[ 477], | 99.00th=[ 523], 99.50th=[ 535], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 575] bw ( KiB/s): min= 119, max= 351, per=24.87%, avg=185.00, stdev=43.89, samples=109 iops : min= 29, max= 87, avg=46.01, stdev=10.97, samples=109 lat (msec) : 250=10.39%, 500=87.07%, 750=2.54% cpu : usr=0.11%, sys=0.79%, ctx=3038, 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=155105: Thu Jun 11 18:59:55 2026 write: IOPS=46, BW=186KiB/s (191kB/s)(10.0MiB/55002msec); 0 zone resets slat (usec): min=39, max=3601, avg=247.66, stdev=211.60 clat (msec): min=33, max=580, avg=343.15, stdev=80.90 lat (msec): min=33, max=581, avg=343.40, stdev=80.89 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 211], 10.00th=[ 243], 20.00th=[ 284], | 30.00th=[ 305], 40.00th=[ 326], 50.00th=[ 347], 60.00th=[ 368], | 70.00th=[ 388], 80.00th=[ 409], 90.00th=[ 443], 95.00th=[ 472], | 99.00th=[ 527], 99.50th=[ 550], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 119, max= 408, per=24.89%, avg=185.20, stdev=46.79, samples=109 iops : min= 29, max= 102, avg=46.06, stdev=11.70, samples=109 lat (msec) : 50=0.08%, 100=0.39%, 250=10.98%, 500=86.41%, 750=2.15% cpu : usr=0.10%, sys=0.81%, ctx=3132, 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=745KiB/s (763kB/s), 186KiB/s-187KiB/s (191kB/s-191kB/s), io=40.0MiB (41.9MB), run=54792-55002msec 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=155122: Thu Jun 11 19:00:39 2026 read: IOPS=30, BW=123KiB/s (126kB/s)(5048KiB/40901msec) slat (usec): min=1653, max=18589, avg=5129.60, stdev=2198.23 clat (msec): min=10, max=335, avg=163.00, stdev=42.78 lat (msec): min=14, max=341, avg=168.14, stdev=43.59 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 106], 10.00th=[ 114], 20.00th=[ 127], | 30.00th=[ 138], 40.00th=[ 148], 50.00th=[ 157], 60.00th=[ 167], | 70.00th=[ 180], 80.00th=[ 197], 90.00th=[ 222], 95.00th=[ 243], | 99.00th=[ 288], 99.50th=[ 292], 99.90th=[ 330], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 32, max= 247, per=25.15%, avg=123.26, stdev=47.17, samples=81 iops : min= 8, max= 61, avg=30.59, stdev=11.84, samples=81 write: IOPS=31, BW=127KiB/s (130kB/s)(5192KiB/40901msec); 0 zone resets slat (usec): min=49, max=4558, avg=253.83, stdev=269.66 clat (msec): min=134, max=665, avg=339.26, stdev=102.73 lat (msec): min=135, max=665, avg=339.52, stdev=102.74 clat percentiles (msec): | 1.00th=[ 157], 5.00th=[ 194], 10.00th=[ 226], 20.00th=[ 253], | 30.00th=[ 275], 40.00th=[ 300], 50.00th=[ 326], 60.00th=[ 351], | 70.00th=[ 380], 80.00th=[ 418], 90.00th=[ 493], 95.00th=[ 550], | 99.00th=[ 600], 99.50th=[ 617], 99.90th=[ 625], 99.95th=[ 667], | 99.99th=[ 667] bw ( KiB/s): min= 56, max= 215, per=24.81%, avg=126.51, stdev=34.08, samples=81 iops : min= 14, max= 53, avg=31.41, stdev= 8.57, samples=81 lat (msec) : 20=0.04%, 50=0.12%, 100=1.29%, 250=55.39%, 500=38.32% lat (msec) : 750=4.84% cpu : usr=0.17%, sys=1.37%, ctx=5227, 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=155123: Thu Jun 11 19:00:39 2026 read: IOPS=30, BW=122KiB/s (124kB/s)(4976KiB/40937msec) slat (usec): min=1755, max=17643, avg=5177.92, stdev=2207.64 clat (msec): min=6, max=342, avg=162.18, stdev=43.12 lat (msec): min=9, max=352, avg=167.37, stdev=44.00 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 105], 10.00th=[ 115], 20.00th=[ 127], | 30.00th=[ 138], 40.00th=[ 146], 50.00th=[ 157], 60.00th=[ 167], | 70.00th=[ 182], 80.00th=[ 199], 90.00th=[ 220], 95.00th=[ 236], | 99.00th=[ 275], 99.50th=[ 292], 99.90th=[ 342], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 39, max= 271, per=24.64%, avg=120.74, stdev=43.90, samples=81 iops : min= 9, max= 67, avg=29.96, stdev=10.99, samples=81 write: IOPS=32, BW=129KiB/s (132kB/s)(5264KiB/40937msec); 0 zone resets slat (usec): min=54, max=5201, avg=243.74, stdev=262.85 clat (msec): min=65, max=687, avg=338.47, stdev=104.33 lat (msec): min=65, max=687, avg=338.72, stdev=104.35 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 188], 10.00th=[ 222], 20.00th=[ 253], | 30.00th=[ 275], 40.00th=[ 296], 50.00th=[ 321], 60.00th=[ 351], | 70.00th=[ 380], 80.00th=[ 422], 90.00th=[ 498], 95.00th=[ 550], | 99.00th=[ 609], 99.50th=[ 625], 99.90th=[ 667], 99.95th=[ 684], | 99.99th=[ 684] bw ( KiB/s): min= 63, max= 232, per=25.08%, avg=127.93, stdev=36.12, samples=81 iops : min= 15, max= 58, avg=31.77, stdev= 9.09, samples=81 lat (msec) : 10=0.12%, 20=0.08%, 50=0.16%, 100=1.41%, 250=55.12% lat (msec) : 500=38.28%, 750=4.84% cpu : usr=0.17%, sys=1.35%, ctx=5146, 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=155124: Thu Jun 11 19:00:39 2026 read: IOPS=30, BW=122KiB/s (125kB/s)(4984KiB/40900msec) slat (usec): min=1742, max=22477, avg=5198.90, stdev=2292.26 clat (msec): min=7, max=333, avg=162.17, stdev=43.26 lat (msec): min=12, max=341, avg=167.37, stdev=44.17 clat percentiles (msec): | 1.00th=[ 83], 5.00th=[ 104], 10.00th=[ 114], 20.00th=[ 128], | 30.00th=[ 140], 40.00th=[ 148], 50.00th=[ 157], 60.00th=[ 167], | 70.00th=[ 182], 80.00th=[ 197], 90.00th=[ 224], 95.00th=[ 241], | 99.00th=[ 279], 99.50th=[ 296], 99.90th=[ 334], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 31, max= 232, per=24.91%, avg=122.07, stdev=41.29, samples=81 iops : min= 7, max= 58, avg=30.30, stdev=10.32, samples=81 write: IOPS=32, BW=129KiB/s (132kB/s)(5256KiB/40900msec); 0 zone resets slat (usec): min=58, max=4905, avg=265.63, stdev=333.09 clat (msec): min=128, max=687, avg=338.06, stdev=101.34 lat (msec): min=128, max=687, avg=338.32, stdev=101.35 clat percentiles (msec): | 1.00th=[ 153], 5.00th=[ 197], 10.00th=[ 226], 20.00th=[ 259], | 30.00th=[ 279], 40.00th=[ 300], 50.00th=[ 317], 60.00th=[ 347], | 70.00th=[ 376], 80.00th=[ 422], 90.00th=[ 485], 95.00th=[ 542], | 99.00th=[ 609], 99.50th=[ 625], 99.90th=[ 651], 99.95th=[ 684], | 99.99th=[ 684] bw ( KiB/s): min= 56, max= 223, per=25.01%, avg=127.57, stdev=35.73, samples=81 iops : min= 14, max= 55, avg=31.68, stdev= 9.01, samples=81 lat (msec) : 10=0.04%, 20=0.04%, 50=0.31%, 100=1.56%, 250=53.95% lat (msec) : 500=40.00%, 750=4.10% cpu : usr=0.17%, sys=1.38%, ctx=5162, 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=155125: Thu Jun 11 19:00:39 2026 read: IOPS=31, BW=124KiB/s (127kB/s)(5060KiB/40661msec) slat (usec): min=86, max=16865, avg=5168.10, stdev=2215.08 clat (msec): min=8, max=409, avg=162.39, stdev=46.66 lat (msec): min=8, max=415, avg=167.56, stdev=47.51 clat percentiles (msec): | 1.00th=[ 32], 5.00th=[ 100], 10.00th=[ 114], 20.00th=[ 127], | 30.00th=[ 138], 40.00th=[ 146], 50.00th=[ 157], 60.00th=[ 167], | 70.00th=[ 184], 80.00th=[ 199], 90.00th=[ 224], 95.00th=[ 241], | 99.00th=[ 292], 99.50th=[ 317], 99.90th=[ 372], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 23, max= 263, per=25.49%, avg=124.90, stdev=42.91, samples=80 iops : min= 5, max= 65, avg=31.00, stdev=10.79, samples=80 write: IOPS=31, BW=127KiB/s (130kB/s)(5180KiB/40661msec); 0 zone resets slat (usec): min=42, max=3209, avg=256.00, stdev=260.85 clat (msec): min=49, max=687, avg=337.98, stdev=106.41 lat (msec): min=49, max=687, avg=338.24, stdev=106.41 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 190], 10.00th=[ 224], 20.00th=[ 253], | 30.00th=[ 279], 40.00th=[ 296], 50.00th=[ 317], 60.00th=[ 342], | 70.00th=[ 376], 80.00th=[ 422], 90.00th=[ 498], 95.00th=[ 558], | 99.00th=[ 600], 99.50th=[ 617], 99.90th=[ 642], 99.95th=[ 684], | 99.99th=[ 684] bw ( KiB/s): min= 48, max= 216, per=24.93%, avg=127.14, stdev=35.52, samples=80 iops : min= 12, max= 54, avg=31.56, stdev= 8.91, samples=80 lat (msec) : 10=0.23%, 20=0.12%, 50=0.39%, 100=1.99%, 250=54.69% lat (msec) : 500=37.62%, 750=4.96% cpu : usr=0.15%, sys=1.39%, ctx=5090, 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=490KiB/s (502kB/s), 122KiB/s-124KiB/s (124kB/s-127kB/s), io=19.6MiB (20.5MB), run=40661-40937msec WRITE: bw=510KiB/s (523kB/s), 127KiB/s-129KiB/s (130kB/s-132kB/s), io=20.4MiB (21.4MB), run=40661-40937msec 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=155134: Thu Jun 11 19:00:43 2026 read: IOPS=6, BW=265MiB/s (278MB/s)(40.0MiB/151msec) slat (nsec): min=12913k, max=12913k, avg=12912967.00, stdev= 0.00 clat (nsec): min=130754k, max=130754k, avg=130754003.00, stdev= 0.00 lat (nsec): min=143672k, max=143672k, avg=143671920.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 131], 5.00th=[ 131], 10.00th=[ 131], 20.00th=[ 131], | 30.00th=[ 131], 40.00th=[ 131], 50.00th=[ 131], 60.00th=[ 131], | 70.00th=[ 131], 80.00th=[ 131], 90.00th=[ 131], 95.00th=[ 131], | 99.00th=[ 131], 99.50th=[ 131], 99.90th=[ 131], 99.95th=[ 131], | 99.99th=[ 131] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=7.33%, ctx=35, 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=265MiB/s (278MB/s), 265MiB/s-265MiB/s (278MB/s-278MB/s), io=40.0MiB (41.9MB), run=151-151msec 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