== sanity test 398c: run fio to test AIO ================= 09:39:28 (1761313168) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.403504 s, 104 MB/s osc.lustre-OST0000-osc-ffff9fda2182b800.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=123419: Fri Oct 24 09:41:40 2025 write: IOPS=20, BW=83.2KiB/s (85.2kB/s)(10.0MiB/123128msec); 0 zone resets slat (usec): min=24, max=16481, avg=199.43, stdev=601.78 clat (msec): min=183, max=1845, avg=768.85, stdev=208.45 lat (msec): min=183, max=1845, avg=769.06, stdev=208.49 clat percentiles (msec): | 1.00th=[ 296], 5.00th=[ 426], 10.00th=[ 527], 20.00th=[ 609], | 30.00th=[ 659], 40.00th=[ 718], 50.00th=[ 760], 60.00th=[ 802], | 70.00th=[ 852], 80.00th=[ 927], 90.00th=[ 1036], 95.00th=[ 1150], | 99.00th=[ 1368], 99.50th=[ 1452], 99.90th=[ 1502], 99.95th=[ 1720], | 99.99th=[ 1838] bw ( KiB/s): min= 15, max= 256, per=25.65%, avg=85.17, stdev=34.57, samples=237 iops : min= 3, max= 64, avg=20.83, stdev= 8.63, samples=237 lat (msec) : 250=0.04%, 500=7.66%, 750=39.61%, 1000=39.73%, 2000=12.97% cpu : usr=0.04%, sys=0.33%, ctx=1601, 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=123420: Fri Oct 24 09:41:40 2025 write: IOPS=20, BW=83.1KiB/s (85.1kB/s)(10.0MiB/123248msec); 0 zone resets slat (usec): min=20, max=11762, avg=198.21, stdev=570.98 clat (msec): min=68, max=1685, avg=769.77, stdev=213.30 lat (msec): min=74, max=1687, avg=769.97, stdev=213.32 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 405], 10.00th=[ 523], 20.00th=[ 600], | 30.00th=[ 659], 40.00th=[ 718], 50.00th=[ 768], 60.00th=[ 810], | 70.00th=[ 852], 80.00th=[ 927], 90.00th=[ 1053], 95.00th=[ 1167], | 99.00th=[ 1334], 99.50th=[ 1401], 99.90th=[ 1586], 99.95th=[ 1687], | 99.99th=[ 1687] bw ( KiB/s): min= 7, max= 216, per=25.00%, avg=83.02, stdev=35.89, samples=243 iops : min= 1, max= 54, avg=20.30, stdev= 9.02, samples=243 lat (msec) : 100=0.20%, 250=0.23%, 500=7.11%, 750=39.80%, 1000=39.80% lat (msec) : 2000=12.85% cpu : usr=0.05%, sys=0.31%, ctx=1487, 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=123421: Fri Oct 24 09:41:40 2025 write: IOPS=20, BW=83.1KiB/s (85.1kB/s)(10.0MiB/123249msec); 0 zone resets slat (usec): min=21, max=11503, avg=198.44, stdev=589.79 clat (msec): min=309, max=1489, avg=769.62, stdev=203.15 lat (msec): min=309, max=1489, avg=769.82, stdev=203.18 clat percentiles (msec): | 1.00th=[ 317], 5.00th=[ 435], 10.00th=[ 535], 20.00th=[ 609], | 30.00th=[ 659], 40.00th=[ 718], 50.00th=[ 760], 60.00th=[ 810], | 70.00th=[ 860], 80.00th=[ 919], 90.00th=[ 1028], 95.00th=[ 1150], | 99.00th=[ 1318], 99.50th=[ 1401], 99.90th=[ 1469], 99.95th=[ 1469], | 99.99th=[ 1485] bw ( KiB/s): min= 7, max= 255, per=25.22%, avg=83.73, stdev=32.47, samples=241 iops : min= 1, max= 63, avg=20.47, stdev= 8.13, samples=241 lat (msec) : 500=7.30%, 750=40.35%, 1000=40.47%, 2000=11.88% cpu : usr=0.05%, sys=0.34%, ctx=1596, 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=123422: Fri Oct 24 09:41:40 2025 write: IOPS=20, BW=83.1KiB/s (85.0kB/s)(10.0MiB/123295msec); 0 zone resets slat (usec): min=21, max=10091, avg=183.92, stdev=481.73 clat (msec): min=293, max=1485, avg=769.96, stdev=202.23 lat (msec): min=294, max=1485, avg=770.15, stdev=202.24 clat percentiles (msec): | 1.00th=[ 326], 5.00th=[ 426], 10.00th=[ 542], 20.00th=[ 609], | 30.00th=[ 659], 40.00th=[ 709], 50.00th=[ 768], 60.00th=[ 810], | 70.00th=[ 852], 80.00th=[ 919], 90.00th=[ 1036], 95.00th=[ 1133], | 99.00th=[ 1301], 99.50th=[ 1401], 99.90th=[ 1452], 99.95th=[ 1485], | 99.99th=[ 1485] bw ( KiB/s): min= 7, max= 255, per=25.44%, avg=84.45, stdev=33.18, samples=239 iops : min= 1, max= 63, avg=20.65, stdev= 8.29, samples=239 lat (msec) : 500=6.84%, 750=40.62%, 1000=40.39%, 2000=12.15% cpu : usr=0.04%, sys=0.31%, ctx=1504, 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=332KiB/s (340kB/s), 83.1KiB/s-83.2KiB/s (85.0kB/s-85.2kB/s), io=40.0MiB (41.9MB), run=123128-123295msec 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=123450: Fri Oct 24 09:43:14 2025 read: IOPS=14, BW=57.8KiB/s (59.2kB/s)(5048KiB/87308msec) slat (usec): min=2135, max=42576, avg=9608.99, stdev=4722.57 clat (msec): min=21, max=645, avg=357.52, stdev=83.91 lat (msec): min=28, max=666, avg=367.13, stdev=84.74 clat percentiles (msec): | 1.00th=[ 163], 5.00th=[ 232], 10.00th=[ 255], 20.00th=[ 288], | 30.00th=[ 309], 40.00th=[ 334], 50.00th=[ 355], 60.00th=[ 376], | 70.00th=[ 397], 80.00th=[ 426], 90.00th=[ 464], 95.00th=[ 502], | 99.00th=[ 567], 99.50th=[ 609], 99.90th=[ 642], 99.95th=[ 651], | 99.99th=[ 651] bw ( KiB/s): min= 7, max= 135, per=25.02%, avg=57.31, stdev=24.26, samples=173 iops : min= 1, max= 33, avg=13.84, stdev= 6.12, samples=173 write: IOPS=14, BW=59.5KiB/s (60.9kB/s)(5192KiB/87308msec); 0 zone resets slat (usec): min=27, max=8163, avg=223.98, stdev=534.22 clat (msec): min=207, max=1594, avg=717.01, stdev=209.29 lat (msec): min=207, max=1594, avg=717.24, stdev=209.28 clat percentiles (msec): | 1.00th=[ 355], 5.00th=[ 414], 10.00th=[ 464], 20.00th=[ 535], | 30.00th=[ 592], 40.00th=[ 642], 50.00th=[ 693], 60.00th=[ 735], | 70.00th=[ 810], 80.00th=[ 902], 90.00th=[ 1011], 95.00th=[ 1116], | 99.00th=[ 1234], 99.50th=[ 1284], 99.90th=[ 1586], 99.95th=[ 1603], | 99.99th=[ 1603] bw ( KiB/s): min= 15, max= 135, per=24.63%, avg=58.86, stdev=22.55, samples=173 iops : min= 3, max= 33, avg=14.22, stdev= 5.63, samples=173 lat (msec) : 50=0.08%, 100=0.08%, 250=4.14%, 500=49.92%, 750=26.41% lat (msec) : 1000=13.87%, 2000=5.51% cpu : usr=0.11%, sys=0.72%, ctx=3024, 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=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=123451: Fri Oct 24 09:43:14 2025 read: IOPS=14, BW=57.1KiB/s (58.4kB/s)(4976KiB/87220msec) slat (usec): min=2074, max=31051, avg=9537.23, stdev=4748.19 clat (msec): min=12, max=755, avg=355.02, stdev=88.10 lat (msec): min=19, max=766, avg=364.57, stdev=88.89 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 226], 10.00th=[ 255], 20.00th=[ 288], | 30.00th=[ 305], 40.00th=[ 330], 50.00th=[ 347], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 426], 90.00th=[ 472], 95.00th=[ 506], | 99.00th=[ 584], 99.50th=[ 609], 99.90th=[ 751], 99.95th=[ 760], | 99.99th=[ 760] bw ( KiB/s): min= 7, max= 120, per=24.62%, avg=56.37, stdev=22.73, samples=173 iops : min= 1, max= 30, avg=13.60, stdev= 5.73, samples=173 write: IOPS=15, BW=60.4KiB/s (61.8kB/s)(5264KiB/87220msec); 0 zone resets slat (usec): min=28, max=6312, avg=236.64, stdev=552.71 clat (msec): min=250, max=1456, avg=714.24, stdev=202.86 lat (msec): min=250, max=1457, avg=714.48, stdev=202.92 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 418], 10.00th=[ 468], 20.00th=[ 535], | 30.00th=[ 592], 40.00th=[ 642], 50.00th=[ 693], 60.00th=[ 743], | 70.00th=[ 810], 80.00th=[ 885], 90.00th=[ 995], 95.00th=[ 1083], | 99.00th=[ 1234], 99.50th=[ 1301], 99.90th=[ 1452], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 15, max= 125, per=25.02%, avg=59.79, stdev=20.74, samples=173 iops : min= 3, max= 31, avg=14.46, stdev= 5.21, samples=173 lat (msec) : 20=0.12%, 50=0.04%, 100=0.20%, 250=4.14%, 500=48.48% lat (msec) : 750=27.46%, 1000=14.49%, 2000=5.08% cpu : usr=0.12%, sys=0.76%, ctx=3006, 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=123452: Fri Oct 24 09:43:14 2025 read: IOPS=14, BW=57.2KiB/s (58.6kB/s)(4984KiB/87159msec) slat (usec): min=52, max=29931, avg=9224.53, stdev=4463.72 clat (msec): min=7, max=767, avg=353.60, stdev=87.48 lat (msec): min=14, max=774, avg=362.83, stdev=88.41 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 230], 10.00th=[ 255], 20.00th=[ 288], | 30.00th=[ 305], 40.00th=[ 330], 50.00th=[ 351], 60.00th=[ 372], | 70.00th=[ 393], 80.00th=[ 422], 90.00th=[ 464], 95.00th=[ 502], | 99.00th=[ 575], 99.50th=[ 617], 99.90th=[ 760], 99.95th=[ 768], | 99.99th=[ 768] bw ( KiB/s): min= 7, max= 127, per=24.91%, avg=57.05, stdev=25.75, samples=172 iops : min= 1, max= 31, avg=13.77, stdev= 6.45, samples=172 write: IOPS=15, BW=60.3KiB/s (61.8kB/s)(5256KiB/87159msec); 0 zone resets slat (usec): min=26, max=7982, avg=209.95, stdev=547.69 clat (msec): min=111, max=1600, avg=716.37, stdev=211.12 lat (msec): min=112, max=1600, avg=716.58, stdev=211.15 clat percentiles (msec): | 1.00th=[ 321], 5.00th=[ 409], 10.00th=[ 460], 20.00th=[ 535], | 30.00th=[ 592], 40.00th=[ 651], 50.00th=[ 693], 60.00th=[ 743], | 70.00th=[ 818], 80.00th=[ 902], 90.00th=[ 1011], 95.00th=[ 1083], | 99.00th=[ 1267], 99.50th=[ 1301], 99.90th=[ 1569], 99.95th=[ 1603], | 99.99th=[ 1603] bw ( KiB/s): min= 15, max= 112, per=24.87%, avg=59.43, stdev=19.21, samples=173 iops : min= 3, max= 28, avg=14.36, stdev= 4.83, samples=173 lat (msec) : 10=0.04%, 20=0.20%, 50=0.12%, 100=0.12%, 250=4.10% lat (msec) : 500=49.30%, 750=26.05%, 1000=14.45%, 2000=5.62% cpu : usr=0.11%, sys=0.68%, ctx=2907, 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=123453: Fri Oct 24 09:43:14 2025 read: IOPS=14, BW=57.0KiB/s (59.4kB/s)(5060KiB/87271msec) slat (usec): min=1654, max=31780, avg=9462.22, stdev=4471.28 clat (msec): min=54, max=702, avg=358.35, stdev=81.17 lat (msec): min=63, max=709, avg=367.82, stdev=81.88 clat percentiles (msec): | 1.00th=[ 192], 5.00th=[ 239], 10.00th=[ 266], 20.00th=[ 292], | 30.00th=[ 313], 40.00th=[ 334], 50.00th=[ 351], 60.00th=[ 372], | 70.00th=[ 397], 80.00th=[ 426], 90.00th=[ 460], 95.00th=[ 498], | 99.00th=[ 567], 99.50th=[ 609], 99.90th=[ 659], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 15, max= 120, per=25.26%, avg=57.85, stdev=24.27, samples=172 iops : min= 3, max= 30, avg=13.97, stdev= 6.10, samples=172 write: IOPS=14, BW=59.4KiB/s (60.8kB/s)(5180KiB/87271msec); 0 zone resets slat (usec): min=26, max=9874, avg=251.14, stdev=606.19 clat (msec): min=206, max=1599, avg=716.54, stdev=210.33 lat (msec): min=206, max=1600, avg=716.79, stdev=210.35 clat percentiles (msec): | 1.00th=[ 359], 5.00th=[ 414], 10.00th=[ 460], 20.00th=[ 535], | 30.00th=[ 584], 40.00th=[ 634], 50.00th=[ 701], 60.00th=[ 743], | 70.00th=[ 818], 80.00th=[ 894], 90.00th=[ 1003], 95.00th=[ 1099], | 99.00th=[ 1284], 99.50th=[ 1385], 99.90th=[ 1569], 99.95th=[ 1603], | 99.99th=[ 1603] bw ( KiB/s): min= 7, max= 120, per=24.70%, avg=59.02, stdev=22.15, samples=172 iops : min= 1, max= 30, avg=14.26, stdev= 5.57, samples=172 lat (msec) : 100=0.04%, 250=3.59%, 500=51.09%, 750=25.39%, 1000=14.84% lat (msec) : 2000=5.04% cpu : usr=0.10%, sys=0.76%, ctx=3143, 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=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=230KiB/s (235kB/s), 57.1KiB/s-57.0KiB/s (58.4kB/s-59.4kB/s), io=19.6MiB (20.5MB), run=87159-87308msec WRITE: bw=239KiB/s (245kB/s), 59.4KiB/s-60.4KiB/s (60.8kB/s-61.8kB/s), io=20.4MiB (21.4MB), run=87159-87308msec 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=123469: Fri Oct 24 09:43:23 2025 read: IOPS=2, BW=113MiB/s (118MB/s)(40.0MiB/354msec) slat (nsec): min=24663k, max=24663k, avg=24662723.00, stdev= 0.00 clat (nsec): min=311061k, max=311061k, avg=311060538.00, stdev= 0.00 lat (nsec): min=335729k, max=335729k, avg=335728860.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 313], | 30.00th=[ 313], 40.00th=[ 313], 50.00th=[ 313], 60.00th=[ 313], | 70.00th=[ 313], 80.00th=[ 313], 90.00th=[ 313], 95.00th=[ 313], | 99.00th=[ 313], 99.50th=[ 313], 99.90th=[ 313], 99.95th=[ 313], | 99.99th=[ 313] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=4.82%, ctx=3, majf=0, minf=11 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=113MiB/s (118MB/s), 113MiB/s-113MiB/s (118MB/s-118MB/s), io=40.0MiB (41.9MB), run=354-354msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck