== sanity test 398c: run fio to test AIO ================= 09:29:46 (1761312586) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.305546 s, 137 MB/s osc.lustre-OST0000-osc-ffff92f4981b4000.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=123103: Fri Oct 24 09:32:06 2025 write: IOPS=19, BW=76.7KiB/s (78.6kB/s)(10.0MiB/133437msec); 0 zone resets slat (usec): min=24, max=8723, avg=196.32, stdev=509.84 clat (msec): min=288, max=1772, avg=833.39, stdev=197.94 lat (msec): min=288, max=1772, avg=833.59, stdev=197.96 clat percentiles (msec): | 1.00th=[ 393], 5.00th=[ 542], 10.00th=[ 600], 20.00th=[ 667], | 30.00th=[ 726], 40.00th=[ 768], 50.00th=[ 818], 60.00th=[ 869], | 70.00th=[ 927], 80.00th=[ 995], 90.00th=[ 1070], 95.00th=[ 1167], | 99.00th=[ 1401], 99.50th=[ 1502], 99.90th=[ 1687], 99.95th=[ 1770], | 99.99th=[ 1770] bw ( KiB/s): min= 8, max= 135, per=24.85%, avg=76.04, stdev=30.23, samples=265 iops : min= 2, max= 33, avg=18.53, stdev= 7.58, samples=265 lat (msec) : 500=3.01%, 750=33.05%, 1000=45.86%, 2000=18.09% cpu : usr=0.06%, sys=0.28%, ctx=1383, majf=0, minf=8 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=123104: Fri Oct 24 09:32:06 2025 write: IOPS=19, BW=76.9KiB/s (78.7kB/s)(10.0MiB/133229msec); 0 zone resets slat (usec): min=24, max=8168, avg=219.94, stdev=557.81 clat (msec): min=106, max=1767, avg=832.06, stdev=212.87 lat (msec): min=106, max=1769, avg=832.28, stdev=212.91 clat percentiles (msec): | 1.00th=[ 368], 5.00th=[ 535], 10.00th=[ 592], 20.00th=[ 667], | 30.00th=[ 718], 40.00th=[ 768], 50.00th=[ 818], 60.00th=[ 869], | 70.00th=[ 927], 80.00th=[ 995], 90.00th=[ 1099], 95.00th=[ 1200], | 99.00th=[ 1452], 99.50th=[ 1552], 99.90th=[ 1670], 99.95th=[ 1720], | 99.99th=[ 1770] bw ( KiB/s): min= 7, max= 254, per=25.24%, avg=77.25, stdev=33.70, samples=261 iops : min= 1, max= 63, avg=18.82, stdev= 8.44, samples=261 lat (msec) : 250=0.66%, 500=2.93%, 750=32.85%, 1000=44.88%, 2000=18.67% cpu : usr=0.04%, sys=0.32%, ctx=1517, 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=123105: Fri Oct 24 09:32:06 2025 write: IOPS=19, BW=76.0KiB/s (78.8kB/s)(10.0MiB/133054msec); 0 zone resets slat (usec): min=25, max=6916, avg=179.35, stdev=409.00 clat (msec): min=278, max=1689, avg=830.98, stdev=202.02 lat (msec): min=278, max=1689, avg=831.16, stdev=202.02 clat percentiles (msec): | 1.00th=[ 405], 5.00th=[ 535], 10.00th=[ 592], 20.00th=[ 667], | 30.00th=[ 718], 40.00th=[ 768], 50.00th=[ 818], 60.00th=[ 869], | 70.00th=[ 919], 80.00th=[ 986], 90.00th=[ 1083], 95.00th=[ 1167], | 99.00th=[ 1418], 99.50th=[ 1502], 99.90th=[ 1653], 99.95th=[ 1653], | 99.99th=[ 1687] bw ( KiB/s): min= 7, max= 255, per=25.14%, avg=76.93, stdev=28.44, samples=262 iops : min= 1, max= 63, avg=18.74, stdev= 7.13, samples=262 lat (msec) : 500=2.85%, 750=32.66%, 1000=46.37%, 2000=18.12% cpu : usr=0.06%, sys=0.26%, ctx=1494, majf=0, minf=8 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=123106: Fri Oct 24 09:32:06 2025 write: IOPS=19, BW=76.7KiB/s (78.6kB/s)(10.0MiB/133436msec); 0 zone resets slat (usec): min=23, max=6770, avg=182.75, stdev=460.25 clat (msec): min=354, max=1711, avg=833.31, stdev=201.60 lat (msec): min=354, max=1711, avg=833.49, stdev=201.62 clat percentiles (msec): | 1.00th=[ 418], 5.00th=[ 531], 10.00th=[ 592], 20.00th=[ 667], | 30.00th=[ 718], 40.00th=[ 768], 50.00th=[ 818], 60.00th=[ 869], | 70.00th=[ 927], 80.00th=[ 986], 90.00th=[ 1099], 95.00th=[ 1167], | 99.00th=[ 1418], 99.50th=[ 1502], 99.90th=[ 1620], 99.95th=[ 1653], | 99.99th=[ 1703] bw ( KiB/s): min= 7, max= 151, per=25.33%, avg=77.52, stdev=31.35, samples=260 iops : min= 1, max= 37, avg=18.90, stdev= 7.84, samples=260 lat (msec) : 500=3.52%, 750=32.42%, 1000=45.20%, 2000=18.87% cpu : usr=0.04%, sys=0.29%, ctx=1534, 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 Run status group 0 (all jobs): WRITE: bw=307KiB/s (314kB/s), 76.7KiB/s-76.0KiB/s (78.6kB/s-78.8kB/s), io=40.0MiB (41.9MB), run=133054-133437msec 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=123135: Fri Oct 24 09:33:31 2025 read: IOPS=16, BW=64.4KiB/s (65.9kB/s)(5048KiB/78442msec) slat (usec): min=1759, max=38452, avg=8483.38, stdev=4452.80 clat (msec): min=40, max=644, avg=317.40, stdev=87.34 lat (msec): min=49, max=648, avg=325.89, stdev=88.10 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 188], 10.00th=[ 215], 20.00th=[ 247], | 30.00th=[ 271], 40.00th=[ 288], 50.00th=[ 309], 60.00th=[ 330], | 70.00th=[ 355], 80.00th=[ 393], 90.00th=[ 435], 95.00th=[ 477], | 99.00th=[ 535], 99.50th=[ 550], 99.90th=[ 642], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 15, max= 166, per=25.04%, avg=63.85, stdev=26.40, samples=155 iops : min= 3, max= 41, avg=15.44, stdev= 6.65, samples=155 write: IOPS=16, BW=66.2KiB/s (67.8kB/s)(5192KiB/78442msec); 0 zone resets slat (usec): min=25, max=10826, avg=240.57, stdev=600.98 clat (msec): min=200, max=1199, avg=648.04, stdev=175.77 lat (msec): min=201, max=1200, avg=648.28, stdev=175.79 clat percentiles (msec): | 1.00th=[ 249], 5.00th=[ 351], 10.00th=[ 426], 20.00th=[ 498], | 30.00th=[ 558], 40.00th=[ 617], 50.00th=[ 651], 60.00th=[ 693], | 70.00th=[ 735], 80.00th=[ 793], 90.00th=[ 877], 95.00th=[ 944], | 99.00th=[ 1062], 99.50th=[ 1133], 99.90th=[ 1200], 99.95th=[ 1200], | 99.99th=[ 1200] bw ( KiB/s): min= 15, max= 151, per=24.67%, avg=65.63, stdev=25.01, samples=155 iops : min= 3, max= 37, avg=15.88, stdev= 6.25, samples=155 lat (msec) : 50=0.12%, 100=0.20%, 250=10.70%, 500=47.42%, 750=28.12% lat (msec) : 1000=12.38%, 2000=1.05% cpu : usr=0.11%, sys=0.81%, ctx=3241, 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=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=123136: Fri Oct 24 09:33:31 2025 read: IOPS=15, BW=63.6KiB/s (65.2kB/s)(4976KiB/78203msec) slat (usec): min=36, max=29035, avg=8191.52, stdev=4077.16 clat (msec): min=7, max=618, avg=313.50, stdev=85.28 lat (msec): min=16, max=623, avg=321.70, stdev=86.21 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 186], 10.00th=[ 213], 20.00th=[ 245], | 30.00th=[ 268], 40.00th=[ 288], 50.00th=[ 309], 60.00th=[ 330], | 70.00th=[ 351], 80.00th=[ 380], 90.00th=[ 435], 95.00th=[ 472], | 99.00th=[ 523], 99.50th=[ 550], 99.90th=[ 617], 99.95th=[ 617], | 99.99th=[ 617] bw ( KiB/s): min= 7, max= 128, per=24.62%, avg=62.79, stdev=28.25, samples=155 iops : min= 1, max= 32, avg=15.17, stdev= 7.08, samples=155 write: IOPS=16, BW=67.3KiB/s (68.9kB/s)(5264KiB/78203msec); 0 zone resets slat (usec): min=25, max=16517, avg=217.89, stdev=626.32 clat (msec): min=115, max=1246, avg=645.98, stdev=179.84 lat (msec): min=115, max=1247, avg=646.20, stdev=179.88 clat percentiles (msec): | 1.00th=[ 226], 5.00th=[ 334], 10.00th=[ 418], 20.00th=[ 502], | 30.00th=[ 567], 40.00th=[ 609], 50.00th=[ 651], 60.00th=[ 701], | 70.00th=[ 735], 80.00th=[ 785], 90.00th=[ 860], 95.00th=[ 936], | 99.00th=[ 1083], 99.50th=[ 1150], 99.90th=[ 1250], 99.95th=[ 1250], | 99.99th=[ 1250] bw ( KiB/s): min= 15, max= 136, per=25.09%, avg=66.73, stdev=22.12, samples=155 iops : min= 3, max= 34, avg=16.15, stdev= 5.60, samples=155 lat (msec) : 10=0.08%, 20=0.04%, 50=0.04%, 100=0.12%, 250=11.64% lat (msec) : 500=45.82%, 750=28.59%, 1000=12.30%, 2000=1.37% cpu : usr=0.12%, sys=0.79%, ctx=3105, 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=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=123137: Fri Oct 24 09:33:31 2025 read: IOPS=15, BW=63.5KiB/s (65.0kB/s)(4984KiB/78481msec) slat (usec): min=2007, max=33241, avg=8591.73, stdev=4321.42 clat (msec): min=10, max=570, avg=316.40, stdev=85.20 lat (msec): min=15, max=587, avg=324.99, stdev=86.27 clat percentiles (msec): | 1.00th=[ 131], 5.00th=[ 192], 10.00th=[ 220], 20.00th=[ 247], | 30.00th=[ 271], 40.00th=[ 288], 50.00th=[ 309], 60.00th=[ 330], | 70.00th=[ 355], 80.00th=[ 388], 90.00th=[ 435], 95.00th=[ 472], | 99.00th=[ 518], 99.50th=[ 550], 99.90th=[ 558], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 7, max= 151, per=24.71%, avg=63.01, stdev=28.56, samples=156 iops : min= 1, max= 37, avg=15.24, stdev= 7.17, samples=156 write: IOPS=16, BW=66.0KiB/s (68.6kB/s)(5256KiB/78481msec); 0 zone resets slat (usec): min=26, max=9827, avg=229.13, stdev=534.92 clat (msec): min=143, max=1323, avg=645.91, stdev=185.90 lat (msec): min=143, max=1323, avg=646.14, stdev=185.92 clat percentiles (msec): | 1.00th=[ 230], 5.00th=[ 326], 10.00th=[ 401], 20.00th=[ 489], | 30.00th=[ 558], 40.00th=[ 609], 50.00th=[ 651], 60.00th=[ 693], | 70.00th=[ 743], 80.00th=[ 802], 90.00th=[ 877], 95.00th=[ 936], | 99.00th=[ 1133], 99.50th=[ 1200], 99.90th=[ 1318], 99.95th=[ 1318], | 99.99th=[ 1318] bw ( KiB/s): min= 23, max= 135, per=24.73%, avg=65.77, stdev=23.91, samples=156 iops : min= 5, max= 33, avg=15.92, stdev= 6.00, samples=156 lat (msec) : 20=0.08%, 50=0.12%, 100=0.27%, 250=10.74%, 500=47.73% lat (msec) : 750=26.64%, 1000=13.01%, 2000=1.41% cpu : usr=0.09%, sys=0.81%, ctx=3094, 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=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=123138: Fri Oct 24 09:33:31 2025 read: IOPS=16, BW=64.5KiB/s (66.1kB/s)(5060KiB/78397msec) slat (usec): min=1897, max=30429, avg=8318.16, stdev=4224.42 clat (msec): min=7, max=604, avg=317.46, stdev=84.88 lat (msec): min=12, max=609, avg=325.78, stdev=85.90 clat percentiles (msec): | 1.00th=[ 161], 5.00th=[ 194], 10.00th=[ 218], 20.00th=[ 245], | 30.00th=[ 271], 40.00th=[ 288], 50.00th=[ 309], 60.00th=[ 330], | 70.00th=[ 359], 80.00th=[ 388], 90.00th=[ 435], 95.00th=[ 468], | 99.00th=[ 542], 99.50th=[ 558], 99.90th=[ 600], 99.95th=[ 609], | 99.99th=[ 609] bw ( KiB/s): min= 7, max= 151, per=25.13%, avg=64.07, stdev=26.64, samples=155 iops : min= 1, max= 37, avg=15.49, stdev= 6.70, samples=155 write: IOPS=16, BW=66.1KiB/s (67.7kB/s)(5180KiB/78397msec); 0 zone resets slat (usec): min=26, max=8699, avg=236.53, stdev=604.19 clat (msec): min=147, max=1350, avg=648.91, stdev=181.58 lat (msec): min=148, max=1350, avg=649.15, stdev=181.58 clat percentiles (msec): | 1.00th=[ 215], 5.00th=[ 342], 10.00th=[ 418], 20.00th=[ 510], | 30.00th=[ 567], 40.00th=[ 617], 50.00th=[ 651], 60.00th=[ 684], | 70.00th=[ 735], 80.00th=[ 793], 90.00th=[ 869], 95.00th=[ 944], | 99.00th=[ 1183], 99.50th=[ 1250], 99.90th=[ 1334], 99.95th=[ 1351], | 99.99th=[ 1351] bw ( KiB/s): min= 15, max= 159, per=24.63%, avg=65.51, stdev=23.74, samples=155 iops : min= 3, max= 39, avg=15.85, stdev= 5.97, samples=155 lat (msec) : 10=0.04%, 20=0.08%, 50=0.08%, 100=0.08%, 250=11.17% lat (msec) : 500=46.48%, 750=28.87%, 1000=11.76%, 2000=1.45% cpu : usr=0.10%, sys=0.81%, ctx=3258, 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=256KiB/s (262kB/s), 63.5KiB/s-64.5KiB/s (65.0kB/s-66.1kB/s), io=19.6MiB (20.5MB), run=78203-78481msec WRITE: bw=266KiB/s (273kB/s), 66.1KiB/s-67.3KiB/s (67.7kB/s-68.9kB/s), io=20.4MiB (21.4MB), run=78203-78481msec 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=123154: Fri Oct 24 09:33:37 2025 read: IOPS=3, BW=133MiB/s (140MB/s)(40.0MiB/300msec) slat (nsec): min=23723k, max=23723k, avg=23723428.00, stdev= 0.00 clat (nsec): min=264679k, max=264679k, avg=264678848.00, stdev= 0.00 lat (nsec): min=288407k, max=288407k, avg=288406623.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 266], 5.00th=[ 266], 10.00th=[ 266], 20.00th=[ 266], | 30.00th=[ 266], 40.00th=[ 266], 50.00th=[ 266], 60.00th=[ 266], | 70.00th=[ 266], 80.00th=[ 266], 90.00th=[ 266], 95.00th=[ 266], | 99.00th=[ 266], 99.50th=[ 266], 99.90th=[ 266], 99.95th=[ 266], | 99.99th=[ 266] lat (msec) : 500=100.00% cpu : usr=0.33%, sys=4.35%, ctx=2, 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=133MiB/s (140MB/s), 133MiB/s-133MiB/s (140MB/s-140MB/s), io=40.0MiB (41.9MB), run=300-300msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck