== sanity test 398c: run fio to test AIO ================= 07:22:18 (1786533738) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.187357 s, 224 MB/s osc.lustre-OST0000-osc-ffff9f274f67c000.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=148690: Wed Aug 12 07:23:00 2026 write: IOPS=66, BW=266KiB/s (272kB/s)(10.0MiB/38561msec); 0 zone resets slat (usec): min=40, max=1154, avg=256.80, stdev=125.00 clat (msec): min=61, max=386, avg=240.42, stdev=46.77 lat (msec): min=61, max=386, avg=240.68, stdev=46.77 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 165], 10.00th=[ 186], 20.00th=[ 207], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 243], 60.00th=[ 253], | 70.00th=[ 268], 80.00th=[ 279], 90.00th=[ 296], 95.00th=[ 309], | 99.00th=[ 342], 99.50th=[ 347], 99.90th=[ 363], 99.95th=[ 372], | 99.99th=[ 388] bw ( KiB/s): min= 192, max= 519, per=24.86%, avg=264.04, stdev=46.90, samples=76 iops : min= 48, max= 129, avg=65.97, stdev=11.69, samples=76 lat (msec) : 100=1.48%, 250=55.47%, 500=43.05% cpu : usr=0.14%, sys=1.40%, ctx=2769, 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=148691: Wed Aug 12 07:23:00 2026 write: IOPS=66, BW=266KiB/s (272kB/s)(10.0MiB/38561msec); 0 zone resets slat (usec): min=46, max=1794, avg=254.39, stdev=132.72 clat (msec): min=61, max=386, avg=240.46, stdev=46.89 lat (msec): min=62, max=387, avg=240.71, stdev=46.90 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 163], 10.00th=[ 186], 20.00th=[ 205], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 243], 60.00th=[ 255], | 70.00th=[ 266], 80.00th=[ 279], 90.00th=[ 296], 95.00th=[ 309], | 99.00th=[ 342], 99.50th=[ 347], 99.90th=[ 380], 99.95th=[ 380], | 99.99th=[ 388] bw ( KiB/s): min= 160, max= 518, per=24.88%, avg=264.24, stdev=47.35, samples=76 iops : min= 40, max= 129, avg=66.03, stdev=11.82, samples=76 lat (msec) : 100=1.33%, 250=55.00%, 500=43.67% cpu : usr=0.11%, sys=1.37%, ctx=2837, 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=148692: Wed Aug 12 07:23:00 2026 write: IOPS=66, BW=266KiB/s (273kB/s)(10.0MiB/38477msec); 0 zone resets slat (usec): min=54, max=1382, avg=261.53, stdev=138.23 clat (msec): min=61, max=384, avg=239.95, stdev=47.12 lat (msec): min=61, max=384, avg=240.21, stdev=47.12 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 165], 10.00th=[ 184], 20.00th=[ 207], | 30.00th=[ 220], 40.00th=[ 232], 50.00th=[ 243], 60.00th=[ 253], | 70.00th=[ 266], 80.00th=[ 279], 90.00th=[ 296], 95.00th=[ 309], | 99.00th=[ 342], 99.50th=[ 351], 99.90th=[ 363], 99.95th=[ 380], | 99.99th=[ 384] bw ( KiB/s): min= 192, max= 518, per=24.98%, avg=265.29, stdev=45.99, samples=76 iops : min= 48, max= 129, avg=66.29, stdev=11.48, samples=76 lat (msec) : 100=1.41%, 250=56.17%, 500=42.42% cpu : usr=0.16%, sys=1.38%, ctx=2790, 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=148693: Wed Aug 12 07:23:00 2026 write: IOPS=66, BW=266KiB/s (272kB/s)(10.0MiB/38500msec); 0 zone resets slat (usec): min=46, max=1417, avg=255.93, stdev=126.49 clat (msec): min=38, max=376, avg=240.23, stdev=48.14 lat (msec): min=38, max=376, avg=240.48, stdev=48.13 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 159], 10.00th=[ 186], 20.00th=[ 207], | 30.00th=[ 222], 40.00th=[ 232], 50.00th=[ 243], 60.00th=[ 253], | 70.00th=[ 266], 80.00th=[ 279], 90.00th=[ 296], 95.00th=[ 309], | 99.00th=[ 347], 99.50th=[ 355], 99.90th=[ 376], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 168, max= 557, per=24.96%, avg=265.07, stdev=50.33, samples=76 iops : min= 42, max= 139, avg=66.24, stdev=12.58, samples=76 lat (msec) : 50=0.23%, 100=0.90%, 250=55.90%, 500=42.97% cpu : usr=0.16%, sys=1.35%, ctx=2757, 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=1062KiB/s (1088kB/s), 266KiB/s-266KiB/s (272kB/s-273kB/s), io=40.0MiB (41.9MB), run=38477-38561msec 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=148708: Wed Aug 12 07:23:27 2026 read: IOPS=53, BW=215KiB/s (220kB/s)(5048KiB/23527msec) slat (usec): min=1148, max=9607, avg=3057.10, stdev=1096.97 clat (msec): min=4, max=174, avg=92.99, stdev=17.86 lat (msec): min=7, max=179, avg=96.05, stdev=17.97 clat percentiles (msec): | 1.00th=[ 21], 5.00th=[ 68], 10.00th=[ 73], 20.00th=[ 81], | 30.00th=[ 86], 40.00th=[ 90], 50.00th=[ 93], 60.00th=[ 97], | 70.00th=[ 102], 80.00th=[ 108], 90.00th=[ 114], 95.00th=[ 121], | 99.00th=[ 131], 99.50th=[ 142], 99.90th=[ 163], 99.95th=[ 176], | 99.99th=[ 176] bw ( KiB/s): min= 136, max= 304, per=25.13%, avg=214.13, stdev=39.84, samples=46 iops : min= 34, max= 76, avg=53.50, stdev= 9.97, samples=46 write: IOPS=55, BW=221KiB/s (226kB/s)(5192KiB/23527msec); 0 zone resets slat (usec): min=50, max=970, avg=217.87, stdev=112.84 clat (msec): min=70, max=310, avg=195.85, stdev=43.42 lat (msec): min=70, max=311, avg=196.07, stdev=43.42 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 126], 10.00th=[ 142], 20.00th=[ 159], | 30.00th=[ 174], 40.00th=[ 184], 50.00th=[ 194], 60.00th=[ 207], | 70.00th=[ 218], 80.00th=[ 232], 90.00th=[ 255], 95.00th=[ 271], | 99.00th=[ 300], 99.50th=[ 305], 99.90th=[ 309], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 152, max= 312, per=24.81%, avg=220.04, stdev=31.01, samples=46 iops : min= 38, max= 78, avg=54.98, stdev= 7.77, samples=46 lat (msec) : 10=0.16%, 20=0.31%, 50=0.16%, 100=33.01%, 250=60.74% lat (msec) : 500=5.62% cpu : usr=0.24%, sys=2.35%, ctx=4937, 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=148709: Wed Aug 12 07:23:27 2026 read: IOPS=52, BW=211KiB/s (216kB/s)(4976KiB/23540msec) slat (usec): min=1088, max=8839, avg=2990.12, stdev=1081.42 clat (msec): min=4, max=152, avg=93.32, stdev=16.74 lat (msec): min=6, max=154, avg=96.31, stdev=16.84 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 68], 10.00th=[ 73], 20.00th=[ 81], | 30.00th=[ 86], 40.00th=[ 89], 50.00th=[ 94], 60.00th=[ 97], | 70.00th=[ 103], 80.00th=[ 108], 90.00th=[ 115], 95.00th=[ 121], | 99.00th=[ 130], 99.50th=[ 136], 99.90th=[ 140], 99.95th=[ 153], | 99.99th=[ 153] bw ( KiB/s): min= 120, max= 296, per=24.74%, avg=210.76, stdev=45.19, samples=46 iops : min= 30, max= 74, avg=52.65, stdev=11.29, samples=46 write: IOPS=55, BW=224KiB/s (229kB/s)(5264KiB/23540msec); 0 zone resets slat (usec): min=36, max=2874, avg=221.44, stdev=153.67 clat (msec): min=59, max=309, avg=194.53, stdev=44.87 lat (msec): min=60, max=310, avg=194.75, stdev=44.88 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 125], 10.00th=[ 138], 20.00th=[ 157], | 30.00th=[ 169], 40.00th=[ 182], 50.00th=[ 194], 60.00th=[ 207], | 70.00th=[ 220], 80.00th=[ 232], 90.00th=[ 257], 95.00th=[ 271], | 99.00th=[ 296], 99.50th=[ 305], 99.90th=[ 309], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 160, max= 296, per=25.06%, avg=222.24, stdev=34.05, samples=46 iops : min= 40, max= 74, avg=55.52, stdev= 8.55, samples=46 lat (msec) : 10=0.16%, 20=0.12%, 100=32.85%, 250=60.70%, 500=6.17% cpu : usr=0.26%, sys=2.35%, ctx=4845, 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=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=148710: Wed Aug 12 07:23:27 2026 read: IOPS=52, BW=212KiB/s (217kB/s)(4984KiB/23540msec) slat (usec): min=1160, max=10042, avg=3100.74, stdev=1074.94 clat (msec): min=3, max=162, avg=93.85, stdev=16.59 lat (msec): min=6, max=166, avg=96.95, stdev=16.72 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 69], 10.00th=[ 74], 20.00th=[ 82], | 30.00th=[ 86], 40.00th=[ 90], 50.00th=[ 93], 60.00th=[ 97], | 70.00th=[ 103], 80.00th=[ 108], 90.00th=[ 115], 95.00th=[ 121], | 99.00th=[ 132], 99.50th=[ 138], 99.90th=[ 144], 99.95th=[ 163], | 99.99th=[ 163] bw ( KiB/s): min= 120, max= 320, per=24.93%, avg=212.39, stdev=45.05, samples=46 iops : min= 30, max= 80, avg=53.07, stdev=11.27, samples=46 write: IOPS=55, BW=223KiB/s (229kB/s)(5256KiB/23540msec); 0 zone resets slat (usec): min=54, max=717, avg=216.95, stdev=108.64 clat (msec): min=70, max=322, avg=193.89, stdev=44.12 lat (msec): min=70, max=322, avg=194.11, stdev=44.12 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 120], 10.00th=[ 138], 20.00th=[ 157], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 194], 60.00th=[ 205], | 70.00th=[ 218], 80.00th=[ 232], 90.00th=[ 253], 95.00th=[ 271], | 99.00th=[ 292], 99.50th=[ 305], 99.90th=[ 317], 99.95th=[ 321], | 99.99th=[ 321] bw ( KiB/s): min= 144, max= 320, per=24.94%, avg=221.20, stdev=35.82, samples=46 iops : min= 36, max= 80, avg=55.26, stdev= 8.99, samples=46 lat (msec) : 4=0.12%, 20=0.08%, 50=0.12%, 100=32.34%, 250=61.64% lat (msec) : 500=5.70% cpu : usr=0.27%, sys=2.30%, ctx=4793, 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=148711: Wed Aug 12 07:23:27 2026 read: IOPS=54, BW=216KiB/s (222kB/s)(5060KiB/23379msec) slat (usec): min=54, max=7566, avg=2985.88, stdev=1065.64 clat (msec): min=2, max=232, avg=92.59, stdev=19.19 lat (msec): min=4, max=234, avg=95.58, stdev=19.33 clat percentiles (msec): | 1.00th=[ 19], 5.00th=[ 66], 10.00th=[ 71], 20.00th=[ 80], | 30.00th=[ 86], 40.00th=[ 89], 50.00th=[ 93], 60.00th=[ 97], | 70.00th=[ 103], 80.00th=[ 108], 90.00th=[ 113], 95.00th=[ 120], | 99.00th=[ 127], 99.50th=[ 133], 99.90th=[ 232], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 127, max= 320, per=25.58%, avg=217.91, stdev=48.17, samples=46 iops : min= 31, max= 80, avg=54.43, stdev=12.08, samples=46 write: IOPS=55, BW=222KiB/s (227kB/s)(5180KiB/23379msec); 0 zone resets slat (usec): min=54, max=867, avg=213.11, stdev=113.92 clat (msec): min=20, max=351, avg=195.01, stdev=46.26 lat (msec): min=21, max=351, avg=195.22, stdev=46.26 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 123], 10.00th=[ 142], 20.00th=[ 159], | 30.00th=[ 171], 40.00th=[ 184], 50.00th=[ 194], 60.00th=[ 207], | 70.00th=[ 220], 80.00th=[ 232], 90.00th=[ 255], 95.00th=[ 271], | 99.00th=[ 300], 99.50th=[ 330], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 160, max= 288, per=24.90%, avg=220.87, stdev=30.30, samples=46 iops : min= 40, max= 72, avg=55.17, stdev= 7.55, samples=46 lat (msec) : 4=0.04%, 10=0.27%, 20=0.23%, 50=0.55%, 100=31.95% lat (msec) : 250=61.25%, 500=5.70% cpu : usr=0.25%, sys=2.34%, ctx=4832, 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=853KiB/s (873kB/s), 211KiB/s-216KiB/s (216kB/s-222kB/s), io=19.6MiB (20.5MB), run=23379-23540msec WRITE: bw=888KiB/s (909kB/s), 221KiB/s-224KiB/s (226kB/s-229kB/s), io=20.4MiB (21.4MB), run=23379-23540msec 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=148718: Wed Aug 12 07:23:31 2026 read: IOPS=6, BW=276MiB/s (289MB/s)(40.0MiB/145msec) slat (nsec): min=14116k, max=14116k, avg=14116187.00, stdev= 0.00 clat (nsec): min=124732k, max=124732k, avg=124732352.00, stdev= 0.00 lat (nsec): min=138854k, max=138854k, avg=138854357.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 125], 5.00th=[ 125], 10.00th=[ 125], 20.00th=[ 125], | 30.00th=[ 125], 40.00th=[ 125], 50.00th=[ 125], 60.00th=[ 125], | 70.00th=[ 125], 80.00th=[ 125], 90.00th=[ 125], 95.00th=[ 125], | 99.00th=[ 125], 99.50th=[ 125], 99.90th=[ 125], 99.95th=[ 125], | 99.99th=[ 125] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=9.03%, ctx=30, 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=276MiB/s (289MB/s), 276MiB/s-276MiB/s (289MB/s-289MB/s), io=40.0MiB (41.9MB), run=145-145msec 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