== sanity test 398c: run fio to test AIO ================= 23:43:22 (1790394202) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.128292 s, 327 MB/s osc.lustre-OST0000-osc-ffff9aae60e26800.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=148524: Fri Sep 25 23:43:57 2026 write: IOPS=79, BW=319KiB/s (327kB/s)(10.0MiB/32104msec); 0 zone resets slat (usec): min=22, max=1071, avg=118.09, stdev=67.81 clat (msec): min=38, max=318, avg=200.38, stdev=37.49 lat (msec): min=38, max=318, avg=200.50, stdev=37.49 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 142], 10.00th=[ 157], 20.00th=[ 174], | 30.00th=[ 184], 40.00th=[ 192], 50.00th=[ 201], 60.00th=[ 209], | 70.00th=[ 220], 80.00th=[ 232], 90.00th=[ 249], 95.00th=[ 264], | 99.00th=[ 284], 99.50th=[ 300], 99.90th=[ 309], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 224, max= 516, per=24.90%, avg=317.51, stdev=48.12, samples=63 iops : min= 56, max= 129, avg=79.37, stdev=12.02, samples=63 lat (msec) : 50=0.62%, 250=89.88%, 500=9.49% cpu : usr=0.13%, sys=0.82%, ctx=2632, 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=148525: Fri Sep 25 23:43:57 2026 write: IOPS=79, BW=319KiB/s (327kB/s)(10.0MiB/32077msec); 0 zone resets slat (usec): min=21, max=825, avg=118.78, stdev=63.07 clat (msec): min=54, max=318, avg=200.19, stdev=36.10 lat (msec): min=54, max=318, avg=200.31, stdev=36.11 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 144], 10.00th=[ 157], 20.00th=[ 171], | 30.00th=[ 182], 40.00th=[ 192], 50.00th=[ 201], 60.00th=[ 209], | 70.00th=[ 218], 80.00th=[ 228], 90.00th=[ 245], 95.00th=[ 259], | 99.00th=[ 284], 99.50th=[ 300], 99.90th=[ 317], 99.95th=[ 317], | 99.99th=[ 321] bw ( KiB/s): min= 240, max= 516, per=24.94%, avg=318.02, stdev=47.03, samples=63 iops : min= 60, max= 129, avg=79.49, stdev=11.74, samples=63 lat (msec) : 100=0.62%, 250=91.17%, 500=8.20% cpu : usr=0.16%, sys=0.83%, ctx=2690, 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=148526: Fri Sep 25 23:43:57 2026 write: IOPS=79, BW=319KiB/s (327kB/s)(10.0MiB/32078msec); 0 zone resets slat (usec): min=21, max=684, avg=121.57, stdev=66.68 clat (msec): min=28, max=330, avg=200.25, stdev=38.41 lat (msec): min=28, max=330, avg=200.38, stdev=38.42 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 140], 10.00th=[ 157], 20.00th=[ 171], | 30.00th=[ 182], 40.00th=[ 192], 50.00th=[ 201], 60.00th=[ 209], | 70.00th=[ 220], 80.00th=[ 232], 90.00th=[ 247], 95.00th=[ 259], | 99.00th=[ 292], 99.50th=[ 300], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 330] bw ( KiB/s): min= 240, max= 516, per=24.96%, avg=318.27, stdev=46.98, samples=63 iops : min= 60, max= 129, avg=79.56, stdev=11.73, samples=63 lat (msec) : 50=0.62%, 250=90.35%, 500=9.02% cpu : usr=0.13%, sys=0.85%, ctx=2619, majf=0, minf=11 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=148527: Fri Sep 25 23:43:57 2026 write: IOPS=79, BW=319KiB/s (327kB/s)(10.0MiB/32104msec); 0 zone resets slat (usec): min=28, max=615, avg=122.61, stdev=64.05 clat (msec): min=17, max=318, avg=200.33, stdev=36.06 lat (msec): min=17, max=318, avg=200.46, stdev=36.06 clat percentiles (msec): | 1.00th=[ 111], 5.00th=[ 144], 10.00th=[ 157], 20.00th=[ 171], | 30.00th=[ 182], 40.00th=[ 192], 50.00th=[ 201], 60.00th=[ 209], | 70.00th=[ 220], 80.00th=[ 232], 90.00th=[ 247], 95.00th=[ 259], | 99.00th=[ 284], 99.50th=[ 292], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 321] bw ( KiB/s): min= 208, max= 465, per=24.91%, avg=317.59, stdev=48.55, samples=63 iops : min= 52, max= 116, avg=79.38, stdev=12.11, samples=63 lat (msec) : 20=0.04%, 100=0.74%, 250=90.62%, 500=8.59% cpu : usr=0.13%, sys=0.87%, ctx=2773, majf=0, minf=11 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=1276KiB/s (1306kB/s), 319KiB/s-319KiB/s (327kB/s-327kB/s), io=40.0MiB (41.9MB), run=32077-32104msec 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=148541: Fri Sep 25 23:44:21 2026 read: IOPS=59, BW=238KiB/s (244kB/s)(5048KiB/21222msec) slat (usec): min=979, max=7295, avg=2511.37, stdev=918.16 clat (msec): min=6, max=141, avg=82.81, stdev=16.05 lat (msec): min=10, max=145, avg=85.33, stdev=16.20 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 61], 10.00th=[ 65], 20.00th=[ 71], | 30.00th=[ 75], 40.00th=[ 80], 50.00th=[ 83], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 95], 90.00th=[ 104], 95.00th=[ 111], | 99.00th=[ 122], 99.50th=[ 130], 99.90th=[ 142], 99.95th=[ 142], | 99.99th=[ 142] bw ( KiB/s): min= 144, max= 328, per=25.18%, avg=237.95, stdev=50.49, samples=42 iops : min= 36, max= 82, avg=59.48, stdev=12.63, samples=42 write: IOPS=61, BW=245KiB/s (251kB/s)(5192KiB/21222msec); 0 zone resets slat (usec): min=25, max=576, avg=106.05, stdev=55.52 clat (msec): min=59, max=303, avg=177.86, stdev=42.61 lat (msec): min=59, max=303, avg=177.96, stdev=42.61 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 107], 10.00th=[ 123], 20.00th=[ 144], | 30.00th=[ 157], 40.00th=[ 167], 50.00th=[ 176], 60.00th=[ 184], | 70.00th=[ 199], 80.00th=[ 215], 90.00th=[ 239], 95.00th=[ 253], | 99.00th=[ 279], 99.50th=[ 288], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 160, max= 304, per=24.82%, avg=244.24, stdev=39.09, samples=42 iops : min= 40, max= 76, avg=61.05, stdev= 9.78, samples=42 lat (msec) : 10=0.08%, 20=0.27%, 50=0.27%, 100=43.67%, 250=52.89% lat (msec) : 500=2.81% cpu : usr=0.25%, sys=1.42%, ctx=4928, 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=148542: Fri Sep 25 23:44:21 2026 read: IOPS=58, BW=234KiB/s (240kB/s)(4976KiB/21222msec) slat (usec): min=972, max=7038, avg=2539.47, stdev=912.09 clat (msec): min=2, max=176, avg=82.86, stdev=16.45 lat (msec): min=5, max=179, avg=85.40, stdev=16.59 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 61], 10.00th=[ 65], 20.00th=[ 71], | 30.00th=[ 75], 40.00th=[ 79], 50.00th=[ 83], 60.00th=[ 86], | 70.00th=[ 91], 80.00th=[ 96], 90.00th=[ 103], 95.00th=[ 110], | 99.00th=[ 122], 99.50th=[ 138], 99.90th=[ 142], 99.95th=[ 178], | 99.99th=[ 178] bw ( KiB/s): min= 128, max= 368, per=24.78%, avg=234.14, stdev=54.30, samples=42 iops : min= 32, max= 92, avg=58.52, stdev=13.57, samples=42 write: IOPS=62, BW=248KiB/s (254kB/s)(5264KiB/21222msec); 0 zone resets slat (usec): min=26, max=2632, avg=105.71, stdev=88.03 clat (msec): min=32, max=302, avg=176.68, stdev=42.72 lat (msec): min=32, max=302, avg=176.79, stdev=42.72 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 104], 10.00th=[ 123], 20.00th=[ 144], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 176], 60.00th=[ 186], | 70.00th=[ 199], 80.00th=[ 213], 90.00th=[ 234], 95.00th=[ 251], | 99.00th=[ 279], 99.50th=[ 284], 99.90th=[ 292], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 176, max= 352, per=25.17%, avg=247.67, stdev=36.12, samples=42 iops : min= 44, max= 88, avg=61.90, stdev= 9.03, samples=42 lat (msec) : 4=0.08%, 20=0.27%, 50=0.12%, 100=43.67%, 250=53.20% lat (msec) : 500=2.66% cpu : usr=0.23%, sys=1.45%, ctx=4813, 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=148543: Fri Sep 25 23:44:21 2026 read: IOPS=58, BW=235KiB/s (240kB/s)(4984KiB/21222msec) slat (usec): min=1002, max=7175, avg=2559.41, stdev=894.18 clat (msec): min=3, max=174, avg=82.79, stdev=15.64 lat (msec): min=5, max=176, avg=85.35, stdev=15.81 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 61], 10.00th=[ 66], 20.00th=[ 71], | 30.00th=[ 75], 40.00th=[ 80], 50.00th=[ 82], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 95], 90.00th=[ 103], 95.00th=[ 110], | 99.00th=[ 123], 99.50th=[ 125], 99.90th=[ 140], 99.95th=[ 176], | 99.99th=[ 176] bw ( KiB/s): min= 144, max= 392, per=24.93%, avg=235.62, stdev=52.84, samples=42 iops : min= 36, max= 98, avg=58.90, stdev=13.21, samples=42 write: IOPS=61, BW=248KiB/s (254kB/s)(5256KiB/21222msec); 0 zone resets slat (usec): min=34, max=1310, avg=103.02, stdev=59.23 clat (msec): min=70, max=293, avg=176.81, stdev=42.37 lat (msec): min=70, max=293, avg=176.91, stdev=42.38 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 108], 10.00th=[ 123], 20.00th=[ 142], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 176], 60.00th=[ 186], | 70.00th=[ 199], 80.00th=[ 213], 90.00th=[ 234], 95.00th=[ 249], | 99.00th=[ 275], 99.50th=[ 284], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 176, max= 344, per=25.03%, avg=246.33, stdev=36.06, samples=42 iops : min= 44, max= 86, avg=61.57, stdev= 9.02, samples=42 lat (msec) : 4=0.04%, 10=0.04%, 20=0.16%, 50=0.35%, 100=43.48% lat (msec) : 250=53.40%, 500=2.54% cpu : usr=0.19%, sys=1.49%, ctx=4898, 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=148544: Fri Sep 25 23:44:21 2026 read: IOPS=59, BW=239KiB/s (245kB/s)(5060KiB/21170msec) slat (usec): min=46, max=6979, avg=2489.51, stdev=889.30 clat (msec): min=3, max=204, avg=83.08, stdev=16.65 lat (msec): min=5, max=206, avg=85.57, stdev=16.85 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 61], 10.00th=[ 65], 20.00th=[ 71], | 30.00th=[ 77], 40.00th=[ 80], 50.00th=[ 83], 60.00th=[ 86], | 70.00th=[ 90], 80.00th=[ 96], 90.00th=[ 103], 95.00th=[ 111], | 99.00th=[ 123], 99.50th=[ 126], 99.90th=[ 180], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 152, max= 328, per=25.26%, avg=238.71, stdev=44.78, samples=42 iops : min= 38, max= 82, avg=59.67, stdev=11.19, samples=42 write: IOPS=61, BW=245KiB/s (251kB/s)(5180KiB/21170msec); 0 zone resets slat (usec): min=33, max=532, avg=104.55, stdev=54.77 clat (msec): min=24, max=305, avg=177.63, stdev=45.31 lat (msec): min=24, max=305, avg=177.74, stdev=45.32 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 104], 10.00th=[ 121], 20.00th=[ 140], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 176], 60.00th=[ 186], | 70.00th=[ 199], 80.00th=[ 215], 90.00th=[ 241], 95.00th=[ 255], | 99.00th=[ 288], 99.50th=[ 296], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 176, max= 336, per=24.69%, avg=242.90, stdev=39.79, samples=42 iops : min= 44, max= 84, avg=60.71, stdev= 9.93, samples=42 lat (msec) : 4=0.04%, 10=0.20%, 20=0.04%, 50=0.59%, 100=43.44% lat (msec) : 250=52.73%, 500=2.97% cpu : usr=0.18%, sys=1.52%, ctx=5020, 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=946KiB/s (968kB/s), 234KiB/s-239KiB/s (240kB/s-245kB/s), io=19.6MiB (20.5MB), run=21170-21222msec WRITE: bw=984KiB/s (1008kB/s), 245KiB/s-248KiB/s (251kB/s-254kB/s), io=20.4MiB (21.4MB), run=21170-21222msec 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=148551: Fri Sep 25 23:44:24 2026 read: IOPS=9, BW=370MiB/s (388MB/s)(40.0MiB/108msec) slat (nsec): min=12264k, max=12264k, avg=12264057.00, stdev= 0.00 clat (nsec): min=90815k, max=90815k, avg=90815205.00, stdev= 0.00 lat (nsec): min=103086k, max=103086k, avg=103085522.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[90702], 5.00th=[90702], 10.00th=[90702], 20.00th=[90702], | 30.00th=[90702], 40.00th=[90702], 50.00th=[90702], 60.00th=[90702], | 70.00th=[90702], 80.00th=[90702], 90.00th=[90702], 95.00th=[90702], | 99.00th=[90702], 99.50th=[90702], 99.90th=[90702], 99.95th=[90702], | 99.99th=[90702] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=10.28%, ctx=38, 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=370MiB/s (388MB/s), 370MiB/s-370MiB/s (388MB/s-388MB/s), io=40.0MiB (41.9MB), run=108-108msec 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