== sanity test 398c: run fio to test AIO ================= 04:12:00 (1785226320) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.454947 s, 92.2 MB/s osc.lustre-OST0000-osc-ffff99c709fa6000.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=180604: Tue Jul 28 04:12:40 2026 write: IOPS=84, BW=337KiB/s (345kB/s)(10.0MiB/30393msec); 0 zone resets slat (usec): min=48, max=18488, avg=427.39, stdev=1115.01 clat (msec): min=15, max=345, avg=189.19, stdev=45.22 lat (msec): min=16, max=345, avg=189.63, stdev=45.17 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 120], 10.00th=[ 133], 20.00th=[ 150], | 30.00th=[ 167], 40.00th=[ 178], 50.00th=[ 186], 60.00th=[ 199], | 70.00th=[ 209], 80.00th=[ 228], 90.00th=[ 251], 95.00th=[ 264], | 99.00th=[ 313], 99.50th=[ 330], 99.90th=[ 342], 99.95th=[ 342], | 99.99th=[ 347] bw ( KiB/s): min= 183, max= 509, per=25.08%, avg=336.57, stdev=65.44, samples=60 iops : min= 45, max= 127, avg=83.70, stdev=16.46, samples=60 lat (msec) : 20=0.04%, 50=0.20%, 100=0.62%, 250=89.18%, 500=9.96% cpu : usr=0.17%, sys=1.44%, ctx=2717, 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=180605: Tue Jul 28 04:12:40 2026 write: IOPS=83, BW=336KiB/s (344kB/s)(10.0MiB/30506msec); 0 zone resets slat (usec): min=40, max=17852, avg=389.84, stdev=969.40 clat (msec): min=25, max=343, avg=189.72, stdev=44.44 lat (msec): min=25, max=344, avg=190.12, stdev=44.43 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 122], 10.00th=[ 134], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 178], 50.00th=[ 186], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 230], 90.00th=[ 249], 95.00th=[ 264], | 99.00th=[ 313], 99.50th=[ 317], 99.90th=[ 342], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 159, max= 507, per=24.96%, avg=334.97, stdev=66.40, samples=60 iops : min= 39, max= 126, avg=83.30, stdev=16.66, samples=60 lat (msec) : 50=0.08%, 100=1.17%, 250=89.10%, 500=9.65% cpu : usr=0.20%, sys=1.31%, ctx=2309, 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=180606: Tue Jul 28 04:12:40 2026 write: IOPS=84, BW=336KiB/s (344kB/s)(10.0MiB/30464msec); 0 zone resets slat (usec): min=51, max=15841, avg=400.70, stdev=1034.43 clat (msec): min=27, max=369, avg=189.25, stdev=45.50 lat (msec): min=28, max=369, avg=189.66, stdev=45.53 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 121], 10.00th=[ 133], 20.00th=[ 150], | 30.00th=[ 165], 40.00th=[ 178], 50.00th=[ 186], 60.00th=[ 199], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 249], 95.00th=[ 266], | 99.00th=[ 313], 99.50th=[ 351], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 372] bw ( KiB/s): min= 183, max= 512, per=25.06%, avg=336.28, stdev=66.12, samples=60 iops : min= 45, max= 128, avg=83.62, stdev=16.61, samples=60 lat (msec) : 50=0.08%, 100=0.74%, 250=90.43%, 500=8.75% cpu : usr=0.19%, sys=1.34%, ctx=2393, 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=180607: Tue Jul 28 04:12:40 2026 write: IOPS=83, BW=336KiB/s (344kB/s)(10.0MiB/30492msec); 0 zone resets slat (usec): min=52, max=12570, avg=423.65, stdev=1005.90 clat (msec): min=19, max=365, avg=189.35, stdev=45.20 lat (msec): min=19, max=366, avg=189.78, stdev=45.20 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 122], 10.00th=[ 133], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 188], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 228], 90.00th=[ 251], 95.00th=[ 268], | 99.00th=[ 309], 99.50th=[ 334], 99.90th=[ 351], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 167, max= 517, per=25.04%, avg=336.05, stdev=67.36, samples=60 iops : min= 41, max= 129, avg=83.57, stdev=16.96, samples=60 lat (msec) : 20=0.04%, 50=0.08%, 100=0.66%, 250=88.87%, 500=10.35% cpu : usr=0.17%, sys=1.44%, ctx=2762, 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=1343KiB/s (1375kB/s), 336KiB/s-337KiB/s (344kB/s-345kB/s), io=40.0MiB (41.9MB), run=30393-30506msec 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=180622: Tue Jul 28 04:13:26 2026 read: IOPS=33, BW=134KiB/s (137kB/s)(5048KiB/37622msec) slat (usec): min=3799, max=67648, avg=16437.35, stdev=9478.33 clat (msec): min=19, max=440, avg=223.03, stdev=61.21 lat (msec): min=24, max=477, avg=239.47, stdev=63.79 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 138], 10.00th=[ 153], 20.00th=[ 171], | 30.00th=[ 188], 40.00th=[ 201], 50.00th=[ 213], 60.00th=[ 230], | 70.00th=[ 249], 80.00th=[ 271], 90.00th=[ 309], 95.00th=[ 338], | 99.00th=[ 393], 99.50th=[ 409], 99.90th=[ 435], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 21, max= 215, per=24.93%, avg=132.86, stdev=33.60, samples=74 iops : min= 5, max= 53, avg=32.72, stdev= 8.37, samples=74 write: IOPS=34, BW=138KiB/s (141kB/s)(5192KiB/37622msec); 0 zone resets slat (usec): min=45, max=16574, avg=332.60, stdev=929.65 clat (msec): min=18, max=421, avg=226.21, stdev=57.26 lat (msec): min=18, max=422, avg=226.55, stdev=57.27 clat percentiles (msec): | 1.00th=[ 116], 5.00th=[ 146], 10.00th=[ 159], 20.00th=[ 178], | 30.00th=[ 192], 40.00th=[ 207], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 251], 80.00th=[ 271], 90.00th=[ 305], 95.00th=[ 330], | 99.00th=[ 380], 99.50th=[ 397], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 7, max= 279, per=24.79%, avg=137.61, stdev=44.93, samples=74 iops : min= 1, max= 69, avg=33.91, stdev=11.27, samples=74 lat (msec) : 20=0.08%, 50=0.16%, 100=0.16%, 250=69.69%, 500=29.92% cpu : usr=0.22%, sys=1.66%, ctx=4557, 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=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=180623: Tue Jul 28 04:13:26 2026 read: IOPS=33, BW=133KiB/s (136kB/s)(4976KiB/37331msec) slat (usec): min=84, max=62694, avg=16253.94, stdev=9056.18 clat (msec): min=19, max=448, avg=220.87, stdev=60.92 lat (msec): min=24, max=458, avg=237.13, stdev=63.75 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 138], 10.00th=[ 150], 20.00th=[ 169], | 30.00th=[ 186], 40.00th=[ 201], 50.00th=[ 213], 60.00th=[ 228], | 70.00th=[ 245], 80.00th=[ 271], 90.00th=[ 300], 95.00th=[ 334], | 99.00th=[ 393], 99.50th=[ 409], 99.90th=[ 435], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 56, max= 239, per=24.82%, avg=132.28, stdev=36.78, samples=74 iops : min= 14, max= 59, avg=32.58, stdev= 9.18, samples=74 write: IOPS=35, BW=141KiB/s (144kB/s)(5264KiB/37331msec); 0 zone resets slat (usec): min=55, max=14454, avg=357.98, stdev=954.98 clat (msec): min=65, max=490, avg=228.89, stdev=58.26 lat (msec): min=65, max=491, avg=229.26, stdev=58.27 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 150], 10.00th=[ 161], 20.00th=[ 180], | 30.00th=[ 194], 40.00th=[ 207], 50.00th=[ 222], 60.00th=[ 236], | 70.00th=[ 251], 80.00th=[ 275], 90.00th=[ 309], 95.00th=[ 334], | 99.00th=[ 401], 99.50th=[ 426], 99.90th=[ 477], 99.95th=[ 493], | 99.99th=[ 493] bw ( KiB/s): min= 55, max= 246, per=25.28%, avg=140.30, stdev=41.81, samples=74 iops : min= 13, max= 61, avg=34.58, stdev=10.45, samples=74 lat (msec) : 20=0.04%, 50=0.08%, 100=0.23%, 250=70.62%, 500=29.02% cpu : usr=0.22%, sys=1.64%, ctx=4254, 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=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=180624: Tue Jul 28 04:13:26 2026 read: IOPS=33, BW=133KiB/s (136kB/s)(4984KiB/37541msec) slat (usec): min=3672, max=62438, avg=15798.63, stdev=8812.44 clat (msec): min=41, max=464, avg=221.21, stdev=59.30 lat (msec): min=47, max=502, avg=237.01, stdev=62.07 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 142], 10.00th=[ 155], 20.00th=[ 171], | 30.00th=[ 186], 40.00th=[ 201], 50.00th=[ 213], 60.00th=[ 226], | 70.00th=[ 243], 80.00th=[ 268], 90.00th=[ 309], 95.00th=[ 338], | 99.00th=[ 388], 99.50th=[ 418], 99.90th=[ 430], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 20, max= 243, per=24.89%, avg=132.68, stdev=39.72, samples=74 iops : min= 5, max= 60, avg=32.68, stdev= 9.90, samples=74 write: IOPS=35, BW=140KiB/s (143kB/s)(5256KiB/37541msec); 0 zone resets slat (usec): min=52, max=10749, avg=322.31, stdev=786.46 clat (msec): min=101, max=440, avg=228.44, stdev=59.29 lat (msec): min=102, max=441, avg=228.76, stdev=59.33 clat percentiles (msec): | 1.00th=[ 126], 5.00th=[ 148], 10.00th=[ 159], 20.00th=[ 176], | 30.00th=[ 192], 40.00th=[ 209], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 253], 80.00th=[ 275], 90.00th=[ 313], 95.00th=[ 342], | 99.00th=[ 397], 99.50th=[ 414], 99.90th=[ 435], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 27, max= 231, per=25.16%, avg=139.65, stdev=40.42, samples=74 iops : min= 6, max= 57, avg=34.41, stdev=10.12, samples=74 lat (msec) : 50=0.04%, 100=0.08%, 250=71.02%, 500=28.87% cpu : usr=0.23%, sys=1.61%, ctx=4130, 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=180625: Tue Jul 28 04:13:26 2026 read: IOPS=33, BW=135KiB/s (138kB/s)(5060KiB/37431msec) slat (usec): min=2954, max=75137, avg=16037.68, stdev=9188.49 clat (msec): min=13, max=434, avg=219.69, stdev=59.89 lat (msec): min=30, max=460, avg=235.73, stdev=62.54 clat percentiles (msec): | 1.00th=[ 114], 5.00th=[ 140], 10.00th=[ 153], 20.00th=[ 169], | 30.00th=[ 184], 40.00th=[ 199], 50.00th=[ 213], 60.00th=[ 226], | 70.00th=[ 243], 80.00th=[ 266], 90.00th=[ 300], 95.00th=[ 338], | 99.00th=[ 393], 99.50th=[ 401], 99.90th=[ 422], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 34, max= 239, per=25.29%, avg=134.77, stdev=40.50, samples=74 iops : min= 8, max= 59, avg=33.20, stdev=10.13, samples=74 write: IOPS=34, BW=138KiB/s (142kB/s)(5180KiB/37431msec); 0 zone resets slat (usec): min=58, max=13740, avg=360.67, stdev=898.76 clat (msec): min=71, max=452, avg=228.77, stdev=60.27 lat (msec): min=72, max=452, avg=229.14, stdev=60.28 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 148], 10.00th=[ 159], 20.00th=[ 176], | 30.00th=[ 192], 40.00th=[ 207], 50.00th=[ 220], 60.00th=[ 232], | 70.00th=[ 251], 80.00th=[ 275], 90.00th=[ 321], 95.00th=[ 347], | 99.00th=[ 393], 99.50th=[ 397], 99.90th=[ 447], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 48, max= 239, per=24.88%, avg=138.09, stdev=35.79, samples=74 iops : min= 12, max= 59, avg=34.01, stdev= 8.92, samples=74 lat (msec) : 20=0.04%, 100=0.23%, 250=71.64%, 500=28.09% cpu : usr=0.19%, sys=1.69%, ctx=4309, 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=533KiB/s (546kB/s), 133KiB/s-135KiB/s (136kB/s-138kB/s), io=19.6MiB (20.5MB), run=37331-37622msec WRITE: bw=555KiB/s (569kB/s), 138KiB/s-141KiB/s (141kB/s-144kB/s), io=20.4MiB (21.4MB), run=37331-37622msec 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=180636: Tue Jul 28 04:13:34 2026 read: IOPS=2, BW=107MiB/s (112MB/s)(40.0MiB/375msec) slat (nsec): min=38103k, max=38103k, avg=38103025.00, stdev= 0.00 clat (nsec): min=310204k, max=310204k, avg=310204312.00, stdev= 0.00 lat (nsec): min=348312k, max=348312k, avg=348312171.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 309], 5.00th=[ 309], 10.00th=[ 309], 20.00th=[ 309], | 30.00th=[ 309], 40.00th=[ 309], 50.00th=[ 309], 60.00th=[ 309], | 70.00th=[ 309], 80.00th=[ 309], 90.00th=[ 309], 95.00th=[ 309], | 99.00th=[ 309], 99.50th=[ 309], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=3.48%, ctx=13, majf=0, minf=8 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=107MiB/s (112MB/s), 107MiB/s-107MiB/s (112MB/s-112MB/s), io=40.0MiB (41.9MB), run=375-375msec 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