== sanity test 398c: run fio to test AIO ================= 10:19:58 (1761315598) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.275433 s, 152 MB/s osc.lustre-OST0000-osc-ffff9c3c9036a000.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=125664: Fri Oct 24 10:22:28 2025 write: IOPS=18, BW=72.6KiB/s (74.3kB/s)(10.0MiB/141075msec); 0 zone resets slat (usec): min=24, max=8840, avg=193.95, stdev=515.06 clat (msec): min=200, max=1631, avg=880.76, stdev=207.06 lat (msec): min=200, max=1631, avg=880.96, stdev=207.07 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 535], 10.00th=[ 625], 20.00th=[ 726], | 30.00th=[ 785], 40.00th=[ 835], 50.00th=[ 877], 60.00th=[ 927], | 70.00th=[ 986], 80.00th=[ 1053], 90.00th=[ 1133], 95.00th=[ 1200], | 99.00th=[ 1385], 99.50th=[ 1435], 99.90th=[ 1636], 99.95th=[ 1636], | 99.99th=[ 1636] bw ( KiB/s): min= 7, max= 253, per=24.81%, avg=71.94, stdev=30.17, samples=280 iops : min= 1, max= 63, avg=17.49, stdev= 7.55, samples=280 lat (msec) : 250=0.62%, 500=2.30%, 750=21.52%, 1000=48.75%, 2000=26.80% cpu : usr=0.05%, sys=0.27%, ctx=1457, 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=125665: Fri Oct 24 10:22:28 2025 write: IOPS=18, BW=72.5KiB/s (74.3kB/s)(10.0MiB/141202msec); 0 zone resets slat (usec): min=24, max=10687, avg=203.68, stdev=558.03 clat (msec): min=203, max=1454, avg=881.79, stdev=198.78 lat (msec): min=203, max=1455, avg=882.00, stdev=198.80 clat percentiles (msec): | 1.00th=[ 443], 5.00th=[ 542], 10.00th=[ 634], 20.00th=[ 726], | 30.00th=[ 785], 40.00th=[ 827], 50.00th=[ 877], 60.00th=[ 927], | 70.00th=[ 978], 80.00th=[ 1036], 90.00th=[ 1133], 95.00th=[ 1200], | 99.00th=[ 1385], 99.50th=[ 1418], 99.90th=[ 1452], 99.95th=[ 1452], | 99.99th=[ 1452] bw ( KiB/s): min= 7, max= 136, per=24.71%, avg=71.66, stdev=28.70, samples=281 iops : min= 1, max= 34, avg=17.42, stdev= 7.20, samples=281 lat (msec) : 250=0.66%, 500=2.42%, 750=21.05%, 1000=49.26%, 2000=26.60% cpu : usr=0.05%, sys=0.28%, ctx=1565, 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=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=125666: Fri Oct 24 10:22:28 2025 write: IOPS=18, BW=72.5KiB/s (74.3kB/s)(10.0MiB/141143msec); 0 zone resets slat (usec): min=19, max=7609, avg=199.73, stdev=506.01 clat (msec): min=206, max=1529, avg=881.36, stdev=206.13 lat (msec): min=206, max=1530, avg=881.56, stdev=206.14 clat percentiles (msec): | 1.00th=[ 388], 5.00th=[ 535], 10.00th=[ 634], 20.00th=[ 726], | 30.00th=[ 776], 40.00th=[ 818], 50.00th=[ 877], 60.00th=[ 927], | 70.00th=[ 986], 80.00th=[ 1053], 90.00th=[ 1133], 95.00th=[ 1234], | 99.00th=[ 1385], 99.50th=[ 1401], 99.90th=[ 1452], 99.95th=[ 1452], | 99.99th=[ 1536] bw ( KiB/s): min= 15, max= 184, per=24.81%, avg=71.94, stdev=27.32, samples=280 iops : min= 3, max= 46, avg=17.49, stdev= 6.85, samples=280 lat (msec) : 250=0.62%, 500=2.70%, 750=22.07%, 1000=46.52%, 2000=28.09% cpu : usr=0.04%, sys=0.28%, ctx=1574, 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=125667: Fri Oct 24 10:22:28 2025 write: IOPS=18, BW=72.6KiB/s (74.3kB/s)(10.0MiB/141074msec); 0 zone resets slat (usec): min=24, max=9069, avg=223.89, stdev=628.95 clat (msec): min=94, max=1629, avg=881.03, stdev=209.16 lat (msec): min=94, max=1629, avg=881.26, stdev=209.15 clat percentiles (msec): | 1.00th=[ 245], 5.00th=[ 542], 10.00th=[ 625], 20.00th=[ 718], | 30.00th=[ 785], 40.00th=[ 827], 50.00th=[ 877], 60.00th=[ 927], | 70.00th=[ 978], 80.00th=[ 1053], 90.00th=[ 1133], 95.00th=[ 1217], | 99.00th=[ 1385], 99.50th=[ 1418], 99.90th=[ 1636], 99.95th=[ 1636], | 99.99th=[ 1636] bw ( KiB/s): min= 7, max= 225, per=24.79%, avg=71.88, stdev=30.69, samples=280 iops : min= 1, max= 56, avg=17.48, stdev= 7.69, samples=280 lat (msec) : 100=0.23%, 250=0.94%, 500=1.91%, 750=21.25%, 1000=48.52% lat (msec) : 2000=27.15% cpu : usr=0.06%, sys=0.29%, ctx=1656, 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=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=290KiB/s (297kB/s), 72.5KiB/s-72.6KiB/s (74.3kB/s-74.3kB/s), io=40.0MiB (41.9MB), run=141074-141202msec 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=125697: Fri Oct 24 10:24:07 2025 read: IOPS=13, BW=55.6KiB/s (56.9kB/s)(5048KiB/90853msec) slat (usec): min=36, max=33526, avg=10283.49, stdev=4811.72 clat (msec): min=3, max=1319, avg=380.14, stdev=100.31 lat (msec): min=12, max=1326, avg=390.43, stdev=101.18 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 257], 10.00th=[ 284], 20.00th=[ 313], | 30.00th=[ 338], 40.00th=[ 359], 50.00th=[ 376], 60.00th=[ 397], | 70.00th=[ 418], 80.00th=[ 439], 90.00th=[ 485], 95.00th=[ 523], | 99.00th=[ 617], 99.50th=[ 651], 99.90th=[ 1301], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 8, max= 124, per=25.31%, avg=55.44, stdev=23.73, samples=179 iops : min= 2, max= 31, avg=13.38, stdev= 5.96, samples=179 write: IOPS=14, BW=57.1KiB/s (58.5kB/s)(5192KiB/90853msec); 0 zone resets slat (usec): min=27, max=11083, avg=262.83, stdev=647.32 clat (msec): min=147, max=2216, avg=738.78, stdev=200.62 lat (msec): min=147, max=2216, avg=739.05, stdev=200.66 clat percentiles (msec): | 1.00th=[ 300], 5.00th=[ 447], 10.00th=[ 514], 20.00th=[ 592], | 30.00th=[ 651], 40.00th=[ 693], 50.00th=[ 735], 60.00th=[ 768], | 70.00th=[ 818], 80.00th=[ 860], 90.00th=[ 961], 95.00th=[ 1045], | 99.00th=[ 1351], 99.50th=[ 1586], 99.90th=[ 2056], 99.95th=[ 2232], | 99.99th=[ 2232] bw ( KiB/s): min= 15, max= 103, per=24.88%, avg=56.74, stdev=20.82, samples=179 iops : min= 3, max= 25, avg=13.70, stdev= 5.22, samples=179 lat (msec) : 4=0.04%, 20=0.04%, 50=0.39%, 100=0.20%, 250=1.76% lat (msec) : 500=47.46%, 750=26.95%, 1000=19.18%, 2000=3.87%, >=2000=0.12% cpu : usr=0.11%, sys=0.75%, ctx=3027, 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=125698: Fri Oct 24 10:24:07 2025 read: IOPS=13, BW=54.4KiB/s (55.7kB/s)(4976KiB/91521msec) slat (usec): min=2356, max=45722, avg=10398.35, stdev=4888.90 clat (msec): min=12, max=638, avg=382.05, stdev=83.10 lat (msec): min=17, max=646, avg=392.45, stdev=83.45 clat percentiles (msec): | 1.00th=[ 199], 5.00th=[ 266], 10.00th=[ 284], 20.00th=[ 313], | 30.00th=[ 342], 40.00th=[ 359], 50.00th=[ 376], 60.00th=[ 397], | 70.00th=[ 418], 80.00th=[ 443], 90.00th=[ 493], 95.00th=[ 531], | 99.00th=[ 592], 99.50th=[ 609], 99.90th=[ 634], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 7, max= 135, per=24.38%, avg=53.39, stdev=23.15, samples=181 iops : min= 1, max= 33, avg=12.86, stdev= 5.84, samples=181 write: IOPS=14, BW=57.5KiB/s (58.9kB/s)(5264KiB/91521msec); 0 zone resets slat (usec): min=26, max=9435, avg=280.98, stdev=800.47 clat (msec): min=220, max=1464, avg=740.02, stdev=180.05 lat (msec): min=220, max=1464, avg=740.30, stdev=180.07 clat percentiles (msec): | 1.00th=[ 347], 5.00th=[ 439], 10.00th=[ 527], 20.00th=[ 592], | 30.00th=[ 642], 40.00th=[ 701], 50.00th=[ 735], 60.00th=[ 785], | 70.00th=[ 818], 80.00th=[ 877], 90.00th=[ 961], 95.00th=[ 1053], | 99.00th=[ 1250], 99.50th=[ 1318], 99.90th=[ 1351], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 8, max= 119, per=24.92%, avg=56.83, stdev=21.20, samples=181 iops : min= 2, max= 29, avg=13.72, stdev= 5.26, samples=181 lat (msec) : 20=0.04%, 50=0.08%, 100=0.12%, 250=1.37%, 500=46.68% lat (msec) : 750=27.27%, 1000=20.82%, 2000=3.63% cpu : usr=0.12%, sys=0.76%, ctx=3173, 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=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=125699: Fri Oct 24 10:24:07 2025 read: IOPS=13, BW=54.5KiB/s (55.8kB/s)(4984KiB/91466msec) slat (usec): min=2338, max=33665, avg=10283.34, stdev=4687.04 clat (msec): min=26, max=695, avg=380.06, stdev=80.84 lat (msec): min=34, max=705, avg=390.35, stdev=81.05 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 264], 10.00th=[ 288], 20.00th=[ 317], | 30.00th=[ 338], 40.00th=[ 359], 50.00th=[ 376], 60.00th=[ 397], | 70.00th=[ 418], 80.00th=[ 443], 90.00th=[ 481], 95.00th=[ 523], | 99.00th=[ 592], 99.50th=[ 625], 99.90th=[ 651], 99.95th=[ 693], | 99.99th=[ 693] bw ( KiB/s): min= 7, max= 135, per=24.72%, avg=54.14, stdev=23.77, samples=180 iops : min= 1, max= 33, avg=13.04, stdev= 6.00, samples=180 write: IOPS=14, BW=57.5KiB/s (58.8kB/s)(5256KiB/91466msec); 0 zone resets slat (usec): min=25, max=11324, avg=259.83, stdev=653.43 clat (msec): min=205, max=1470, avg=741.63, stdev=186.67 lat (msec): min=205, max=1471, avg=741.89, stdev=186.70 clat percentiles (msec): | 1.00th=[ 342], 5.00th=[ 447], 10.00th=[ 523], 20.00th=[ 592], | 30.00th=[ 651], 40.00th=[ 693], 50.00th=[ 735], 60.00th=[ 776], | 70.00th=[ 818], 80.00th=[ 877], 90.00th=[ 978], 95.00th=[ 1083], | 99.00th=[ 1284], 99.50th=[ 1318], 99.90th=[ 1452], 99.95th=[ 1469], | 99.99th=[ 1469] bw ( KiB/s): min= 7, max= 111, per=24.83%, avg=56.61, stdev=19.49, samples=181 iops : min= 1, max= 27, avg=13.67, stdev= 4.91, samples=181 lat (msec) : 50=0.08%, 100=0.12%, 250=1.68%, 500=47.77%, 750=26.64% lat (msec) : 1000=19.41%, 2000=4.30% cpu : usr=0.09%, sys=0.78%, ctx=3113, 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=125700: Fri Oct 24 10:24:07 2025 read: IOPS=13, BW=55.4KiB/s (56.8kB/s)(5060KiB/91270msec) slat (usec): min=2293, max=47519, avg=10253.66, stdev=4764.47 clat (msec): min=14, max=701, avg=380.05, stdev=82.69 lat (msec): min=21, max=715, avg=390.31, stdev=83.03 clat percentiles (msec): | 1.00th=[ 194], 5.00th=[ 266], 10.00th=[ 284], 20.00th=[ 313], | 30.00th=[ 338], 40.00th=[ 363], 50.00th=[ 376], 60.00th=[ 397], | 70.00th=[ 414], 80.00th=[ 439], 90.00th=[ 493], 95.00th=[ 527], | 99.00th=[ 592], 99.50th=[ 600], 99.90th=[ 684], 99.95th=[ 701], | 99.99th=[ 701] bw ( KiB/s): min= 15, max= 126, per=25.31%, avg=55.44, stdev=20.82, samples=179 iops : min= 3, max= 31, avg=13.37, stdev= 5.26, samples=179 write: IOPS=14, BW=56.8KiB/s (58.1kB/s)(5180KiB/91270msec); 0 zone resets slat (usec): min=25, max=10461, avg=270.85, stdev=713.35 clat (msec): min=257, max=1504, avg=744.52, stdev=179.09 lat (msec): min=257, max=1504, avg=744.80, stdev=179.11 clat percentiles (msec): | 1.00th=[ 351], 5.00th=[ 472], 10.00th=[ 531], 20.00th=[ 600], | 30.00th=[ 659], 40.00th=[ 701], 50.00th=[ 743], 60.00th=[ 776], | 70.00th=[ 818], 80.00th=[ 877], 90.00th=[ 961], 95.00th=[ 1070], | 99.00th=[ 1267], 99.50th=[ 1284], 99.90th=[ 1401], 99.95th=[ 1502], | 99.99th=[ 1502] bw ( KiB/s): min= 8, max= 119, per=24.63%, avg=56.15, stdev=19.80, samples=181 iops : min= 2, max= 29, avg=13.55, stdev= 4.95, samples=181 lat (msec) : 20=0.12%, 100=0.27%, 250=1.17%, 500=47.23%, 750=27.19% lat (msec) : 1000=20.12%, 2000=3.91% cpu : usr=0.10%, sys=0.79%, ctx=3163, 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=219KiB/s (225kB/s), 54.4KiB/s-55.6KiB/s (55.7kB/s-56.9kB/s), io=19.6MiB (20.5MB), run=90853-91521msec WRITE: bw=228KiB/s (234kB/s), 56.8KiB/s-57.5KiB/s (58.1kB/s-58.9kB/s), io=20.4MiB (21.4MB), run=90853-91521msec 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=125717: Fri Oct 24 10:24:15 2025 read: IOPS=2, BW=109MiB/s (114MB/s)(40.0MiB/367msec) slat (nsec): min=33201k, max=33201k, avg=33200694.00, stdev= 0.00 clat (nsec): min=306984k, max=306984k, avg=306984096.00, stdev= 0.00 lat (nsec): min=340215k, max=340215k, avg=340215490.00, 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=4.37%, ctx=4, 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=109MiB/s (114MB/s), 109MiB/s-109MiB/s (114MB/s-114MB/s), io=40.0MiB (41.9MB), run=367-367msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck