== sanity test 398c: run fio to test AIO ================= 17:08:53 (1788469733) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.305962 s, 137 MB/s osc.lustre-OST0000-osc-ffff8c2dd3989800.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=179454: Thu Sep 3 17:09:35 2026 write: IOPS=85, BW=340KiB/s (349kB/s)(10.0MiB/30087msec); 0 zone resets slat (usec): min=22, max=25541, avg=236.01, stdev=1137.47 clat (msec): min=18, max=447, avg=187.57, stdev=75.65 lat (msec): min=19, max=448, avg=187.81, stdev=75.68 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 94], 10.00th=[ 107], 20.00th=[ 125], | 30.00th=[ 138], 40.00th=[ 153], 50.00th=[ 169], 60.00th=[ 192], | 70.00th=[ 222], 80.00th=[ 251], 90.00th=[ 300], 95.00th=[ 330], | 99.00th=[ 401], 99.50th=[ 414], 99.90th=[ 443], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 143, max= 776, per=24.91%, avg=338.73, stdev=121.63, samples=59 iops : min= 35, max= 194, avg=84.27, stdev=30.44, samples=59 lat (msec) : 20=0.04%, 50=0.04%, 100=8.12%, 250=71.68%, 500=20.12% cpu : usr=0.17%, sys=1.04%, ctx=2619, 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=179455: Thu Sep 3 17:09:35 2026 write: IOPS=85, BW=341KiB/s (349kB/s)(10.0MiB/30065msec); 0 zone resets slat (usec): min=23, max=14331, avg=202.88, stdev=696.73 clat (msec): min=39, max=432, avg=186.69, stdev=75.11 lat (msec): min=40, max=432, avg=186.89, stdev=75.11 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 91], 10.00th=[ 107], 20.00th=[ 127], | 30.00th=[ 138], 40.00th=[ 150], 50.00th=[ 167], 60.00th=[ 186], | 70.00th=[ 218], 80.00th=[ 253], 90.00th=[ 296], 95.00th=[ 338], | 99.00th=[ 397], 99.50th=[ 405], 99.90th=[ 414], 99.95th=[ 426], | 99.99th=[ 435] bw ( KiB/s): min= 123, max= 736, per=24.96%, avg=339.42, stdev=124.24, samples=59 iops : min= 30, max= 184, avg=84.44, stdev=31.11, samples=59 lat (msec) : 50=0.08%, 100=7.38%, 250=71.64%, 500=20.90% cpu : usr=0.17%, sys=0.82%, ctx=2940, 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=179456: Thu Sep 3 17:09:35 2026 write: IOPS=85, BW=340KiB/s (348kB/s)(10.0MiB/30100msec); 0 zone resets slat (usec): min=21, max=23404, avg=219.62, stdev=994.88 clat (msec): min=16, max=455, avg=186.65, stdev=75.69 lat (msec): min=17, max=455, avg=186.88, stdev=75.68 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 89], 10.00th=[ 106], 20.00th=[ 126], | 30.00th=[ 138], 40.00th=[ 150], 50.00th=[ 165], 60.00th=[ 192], | 70.00th=[ 220], 80.00th=[ 249], 90.00th=[ 288], 95.00th=[ 330], | 99.00th=[ 405], 99.50th=[ 456], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 116, max= 768, per=24.78%, avg=337.03, stdev=125.47, samples=59 iops : min= 29, max= 192, avg=83.85, stdev=31.39, samples=59 lat (msec) : 20=0.04%, 50=0.08%, 100=7.58%, 250=72.30%, 500=20.00% cpu : usr=0.18%, sys=0.83%, ctx=2475, 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=179457: Thu Sep 3 17:09:35 2026 write: IOPS=85, BW=340KiB/s (348kB/s)(10.0MiB/30112msec); 0 zone resets slat (usec): min=22, max=14361, avg=210.70, stdev=764.94 clat (msec): min=28, max=439, avg=186.90, stdev=75.70 lat (msec): min=29, max=439, avg=187.11, stdev=75.70 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 90], 10.00th=[ 106], 20.00th=[ 126], | 30.00th=[ 142], 40.00th=[ 150], 50.00th=[ 169], 60.00th=[ 188], | 70.00th=[ 220], 80.00th=[ 247], 90.00th=[ 292], 95.00th=[ 342], | 99.00th=[ 397], 99.50th=[ 397], 99.90th=[ 439], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 116, max= 768, per=24.79%, avg=337.12, stdev=129.06, samples=59 iops : min= 29, max= 192, avg=83.86, stdev=32.29, samples=59 lat (msec) : 50=0.35%, 100=7.58%, 250=73.01%, 500=19.06% cpu : usr=0.17%, sys=0.80%, ctx=2692, 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=1360KiB/s (1393kB/s), 340KiB/s-341KiB/s (348kB/s-349kB/s), io=40.0MiB (41.9MB), run=30065-30112msec 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=179472: Thu Sep 3 17:10:28 2026 read: IOPS=29, BW=118KiB/s (121kB/s)(5048KiB/42881msec) slat (usec): min=51, max=111067, avg=18227.83, stdev=13453.54 clat (msec): min=31, max=582, avg=254.21, stdev=95.81 lat (msec): min=62, max=631, avg=272.45, stdev=100.88 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 118], 10.00th=[ 140], 20.00th=[ 176], | 30.00th=[ 201], 40.00th=[ 220], 50.00th=[ 239], 60.00th=[ 262], | 70.00th=[ 292], 80.00th=[ 330], 90.00th=[ 393], 95.00th=[ 435], | 99.00th=[ 510], 99.50th=[ 535], 99.90th=[ 584], 99.95th=[ 584], | 99.99th=[ 584] bw ( KiB/s): min= 47, max= 255, per=24.98%, avg=116.66, stdev=42.94, samples=85 iops : min= 11, max= 63, avg=28.62, stdev=10.75, samples=85 write: IOPS=30, BW=121KiB/s (124kB/s)(5192KiB/42881msec); 0 zone resets slat (usec): min=22, max=17579, avg=258.94, stdev=1148.91 clat (msec): min=76, max=553, avg=260.56, stdev=90.56 lat (msec): min=76, max=553, avg=260.82, stdev=90.64 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 131], 10.00th=[ 159], 20.00th=[ 190], | 30.00th=[ 209], 40.00th=[ 230], 50.00th=[ 249], 60.00th=[ 266], | 70.00th=[ 288], 80.00th=[ 326], 90.00th=[ 397], 95.00th=[ 451], | 99.00th=[ 502], 99.50th=[ 514], 99.90th=[ 542], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 39, max= 287, per=24.76%, avg=120.33, stdev=46.26, samples=85 iops : min= 9, max= 71, avg=29.54, stdev=11.55, samples=85 lat (msec) : 50=0.08%, 100=2.19%, 250=50.70%, 500=45.98%, 750=1.05% cpu : usr=0.23%, sys=1.55%, ctx=4274, 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=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=179473: Thu Sep 3 17:10:28 2026 read: IOPS=28, BW=116KiB/s (119kB/s)(4976KiB/42916msec) slat (usec): min=71, max=230463, avg=18208.95, stdev=14108.82 clat (msec): min=35, max=605, avg=253.65, stdev=93.50 lat (msec): min=45, max=638, avg=271.87, stdev=98.53 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 123], 10.00th=[ 148], 20.00th=[ 180], | 30.00th=[ 201], 40.00th=[ 218], 50.00th=[ 239], 60.00th=[ 262], | 70.00th=[ 284], 80.00th=[ 326], 90.00th=[ 388], 95.00th=[ 439], | 99.00th=[ 523], 99.50th=[ 567], 99.90th=[ 592], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 47, max= 263, per=24.61%, avg=114.93, stdev=43.25, samples=85 iops : min= 11, max= 65, avg=28.18, stdev=10.84, samples=85 write: IOPS=30, BW=123KiB/s (126kB/s)(5264KiB/42916msec); 0 zone resets slat (usec): min=24, max=54845, avg=362.01, stdev=2192.61 clat (msec): min=70, max=611, avg=261.54, stdev=95.88 lat (msec): min=70, max=611, avg=261.91, stdev=96.05 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 126], 10.00th=[ 153], 20.00th=[ 186], | 30.00th=[ 211], 40.00th=[ 226], 50.00th=[ 243], 60.00th=[ 268], | 70.00th=[ 292], 80.00th=[ 334], 90.00th=[ 401], 95.00th=[ 456], | 99.00th=[ 527], 99.50th=[ 550], 99.90th=[ 600], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 39, max= 287, per=25.12%, avg=122.09, stdev=47.44, samples=85 iops : min= 9, max= 71, avg=29.99, stdev=11.86, samples=85 lat (msec) : 50=0.04%, 100=1.95%, 250=52.66%, 500=43.63%, 750=1.72% cpu : usr=0.26%, sys=1.48%, ctx=4479, majf=0, minf=16 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=179474: Thu Sep 3 17:10:28 2026 read: IOPS=29, BW=116KiB/s (119kB/s)(4984KiB/42911msec) slat (usec): min=2321, max=90968, avg=18187.88, stdev=12800.81 clat (msec): min=63, max=560, avg=251.85, stdev=92.35 lat (msec): min=78, max=632, avg=270.05, stdev=97.20 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 125], 10.00th=[ 142], 20.00th=[ 178], | 30.00th=[ 199], 40.00th=[ 218], 50.00th=[ 236], 60.00th=[ 257], | 70.00th=[ 288], 80.00th=[ 326], 90.00th=[ 388], 95.00th=[ 430], | 99.00th=[ 506], 99.50th=[ 523], 99.90th=[ 558], 99.95th=[ 558], | 99.99th=[ 558] bw ( KiB/s): min= 38, max= 271, per=24.77%, avg=115.69, stdev=48.23, samples=85 iops : min= 9, max= 67, avg=28.36, stdev=12.09, samples=85 write: IOPS=30, BW=122KiB/s (125kB/s)(5256KiB/42911msec); 0 zone resets slat (usec): min=24, max=19443, avg=217.15, stdev=867.63 clat (msec): min=45, max=544, avg=262.60, stdev=94.29 lat (msec): min=46, max=544, avg=262.82, stdev=94.33 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 129], 10.00th=[ 155], 20.00th=[ 184], | 30.00th=[ 207], 40.00th=[ 230], 50.00th=[ 249], 60.00th=[ 271], | 70.00th=[ 296], 80.00th=[ 338], 90.00th=[ 401], 95.00th=[ 447], | 99.00th=[ 514], 99.50th=[ 527], 99.90th=[ 542], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 31, max= 327, per=24.98%, avg=121.40, stdev=47.78, samples=85 iops : min= 7, max= 81, avg=29.81, stdev=11.94, samples=85 lat (msec) : 50=0.04%, 100=1.72%, 250=51.84%, 500=45.04%, 750=1.37% cpu : usr=0.22%, sys=1.43%, ctx=4284, 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=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=179475: Thu Sep 3 17:10:28 2026 read: IOPS=29, BW=118KiB/s (121kB/s)(5060KiB/42770msec) slat (usec): min=50, max=88584, avg=17675.83, stdev=12163.90 clat (msec): min=8, max=544, avg=253.07, stdev=92.35 lat (msec): min=8, max=631, avg=270.75, stdev=96.91 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 120], 10.00th=[ 144], 20.00th=[ 180], | 30.00th=[ 199], 40.00th=[ 218], 50.00th=[ 241], 60.00th=[ 264], | 70.00th=[ 292], 80.00th=[ 330], 90.00th=[ 384], 95.00th=[ 426], | 99.00th=[ 506], 99.50th=[ 523], 99.90th=[ 535], 99.95th=[ 542], | 99.99th=[ 542] bw ( KiB/s): min= 39, max= 263, per=25.20%, avg=117.68, stdev=42.41, samples=84 iops : min= 9, max= 65, avg=28.88, stdev=10.58, samples=84 write: IOPS=30, BW=121KiB/s (124kB/s)(5180KiB/42770msec); 0 zone resets slat (usec): min=32, max=17584, avg=216.82, stdev=830.82 clat (msec): min=28, max=598, avg=262.99, stdev=95.47 lat (msec): min=28, max=598, avg=263.21, stdev=95.49 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 130], 10.00th=[ 159], 20.00th=[ 188], | 30.00th=[ 207], 40.00th=[ 226], 50.00th=[ 245], 60.00th=[ 268], | 70.00th=[ 296], 80.00th=[ 338], 90.00th=[ 397], 95.00th=[ 451], | 99.00th=[ 527], 99.50th=[ 531], 99.90th=[ 592], 99.95th=[ 600], | 99.99th=[ 600] bw ( KiB/s): min= 32, max= 303, per=24.78%, avg=120.45, stdev=48.43, samples=84 iops : min= 8, max= 75, avg=29.57, stdev=12.16, samples=84 lat (msec) : 10=0.04%, 50=0.08%, 100=1.95%, 250=51.84%, 500=44.45% lat (msec) : 750=1.64% cpu : usr=0.24%, sys=1.64%, ctx=4621, majf=0, minf=16 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=468KiB/s (479kB/s), 116KiB/s-118KiB/s (119kB/s-121kB/s), io=19.6MiB (20.5MB), run=42770-42916msec WRITE: bw=487KiB/s (498kB/s), 121KiB/s-123KiB/s (124kB/s-126kB/s), io=20.4MiB (21.4MB), run=42770-42916msec 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=179485: Thu Sep 3 17:10:37 2026 read: IOPS=1, BW=70.3MiB/s (73.7MB/s)(40.0MiB/569msec) slat (nsec): min=31180k, max=31180k, avg=31180261.00, stdev= 0.00 clat (nsec): min=520406k, max=520406k, avg=520406398.00, stdev= 0.00 lat (nsec): min=551591k, max=551591k, avg=551591219.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 523], 5.00th=[ 523], 10.00th=[ 523], 20.00th=[ 523], | 30.00th=[ 523], 40.00th=[ 523], 50.00th=[ 523], 60.00th=[ 523], | 70.00th=[ 523], 80.00th=[ 523], 90.00th=[ 523], 95.00th=[ 523], | 99.00th=[ 523], 99.50th=[ 523], 99.90th=[ 523], 99.95th=[ 523], | 99.99th=[ 523] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=1.23%, ctx=5, majf=0, minf=10 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=70.3MiB/s (73.7MB/s), 70.3MiB/s-70.3MiB/s (73.7MB/s-73.7MB/s), io=40.0MiB (41.9MB), run=569-569msec 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