== sanity test 398c: run fio to test AIO ================= 08:16:18 (1764940578) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.179174 s, 234 MB/s osc.lustre-OST0000-osc-ffff8925185f9000.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=148793: Fri Dec 5 08:16:36 2025 write: IOPS=183, BW=736KiB/s (754kB/s)(10.0MiB/13914msec); 0 zone resets slat (usec): min=20, max=44747, avg=145.94, stdev=905.41 clat (msec): min=7, max=149, avg=86.37, stdev=18.63 lat (msec): min=7, max=149, avg=86.52, stdev=18.61 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 60], 10.00th=[ 64], 20.00th=[ 71], | 30.00th=[ 74], 40.00th=[ 81], 50.00th=[ 85], 60.00th=[ 90], | 70.00th=[ 95], 80.00th=[ 102], 90.00th=[ 111], 95.00th=[ 121], | 99.00th=[ 140], 99.50th=[ 142], 99.90th=[ 150], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 518, max= 894, per=24.73%, avg=727.67, stdev=100.67, samples=27 iops : min= 129, max= 223, avg=181.67, stdev=25.14, samples=27 lat (msec) : 10=0.08%, 20=0.12%, 50=0.35%, 100=77.58%, 250=21.88% cpu : usr=0.34%, sys=2.05%, ctx=1339, 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=148794: Fri Dec 5 08:16:36 2025 write: IOPS=184, BW=737KiB/s (754kB/s)(10.0MiB/13903msec); 0 zone resets slat (usec): min=25, max=6930, avg=134.49, stdev=259.14 clat (msec): min=7, max=147, avg=86.69, stdev=18.27 lat (msec): min=8, max=147, avg=86.82, stdev=18.26 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 61], 10.00th=[ 66], 20.00th=[ 72], | 30.00th=[ 77], 40.00th=[ 81], 50.00th=[ 85], 60.00th=[ 90], | 70.00th=[ 95], 80.00th=[ 102], 90.00th=[ 112], 95.00th=[ 121], | 99.00th=[ 138], 99.50th=[ 140], 99.90th=[ 148], 99.95th=[ 148], | 99.99th=[ 148] bw ( KiB/s): min= 510, max= 896, per=24.83%, avg=730.85, stdev=97.42, samples=27 iops : min= 127, max= 224, avg=182.41, stdev=24.36, samples=27 lat (msec) : 10=0.04%, 20=0.08%, 50=0.43%, 100=77.81%, 250=21.64% cpu : usr=0.35%, sys=1.97%, ctx=1278, 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=148795: Fri Dec 5 08:16:36 2025 write: IOPS=184, BW=736KiB/s (754kB/s)(10.0MiB/13908msec); 0 zone resets slat (usec): min=24, max=3694, avg=127.85, stdev=190.71 clat (msec): min=7, max=147, avg=86.67, stdev=18.38 lat (msec): min=8, max=147, avg=86.80, stdev=18.38 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 61], 10.00th=[ 66], 20.00th=[ 71], | 30.00th=[ 77], 40.00th=[ 81], 50.00th=[ 85], 60.00th=[ 90], | 70.00th=[ 95], 80.00th=[ 102], 90.00th=[ 113], 95.00th=[ 121], | 99.00th=[ 136], 99.50th=[ 146], 99.90th=[ 148], 99.95th=[ 148], | 99.99th=[ 148] bw ( KiB/s): min= 544, max= 894, per=24.80%, avg=729.74, stdev=90.02, samples=27 iops : min= 136, max= 223, avg=182.19, stdev=22.51, samples=27 lat (msec) : 10=0.08%, 20=0.04%, 50=0.55%, 100=77.81%, 250=21.52% cpu : usr=0.38%, sys=1.88%, ctx=1238, 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=148796: Fri Dec 5 08:16:36 2025 write: IOPS=183, BW=736KiB/s (754kB/s)(10.0MiB/13914msec); 0 zone resets slat (usec): min=23, max=44593, avg=140.84, stdev=897.79 clat (msec): min=11, max=147, avg=86.39, stdev=18.70 lat (msec): min=11, max=147, avg=86.53, stdev=18.67 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 59], 10.00th=[ 65], 20.00th=[ 72], | 30.00th=[ 75], 40.00th=[ 81], 50.00th=[ 85], 60.00th=[ 90], | 70.00th=[ 96], 80.00th=[ 101], 90.00th=[ 114], 95.00th=[ 122], | 99.00th=[ 136], 99.50th=[ 140], 99.90th=[ 148], 99.95th=[ 148], | 99.99th=[ 148] bw ( KiB/s): min= 526, max= 886, per=24.64%, avg=725.07, stdev=95.81, samples=27 iops : min= 131, max= 221, avg=181.04, stdev=23.98, samples=27 lat (msec) : 20=0.16%, 50=0.90%, 100=78.75%, 250=20.20% cpu : usr=0.32%, sys=2.01%, ctx=1065, 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=2944KiB/s (3014kB/s), 736KiB/s-737KiB/s (754kB/s-754kB/s), io=40.0MiB (41.9MB), run=13903-13914msec 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=148809: Fri Dec 5 08:16:49 2025 read: IOPS=135, BW=542KiB/s (555kB/s)(5048KiB/9314msec) slat (usec): min=1261, max=11805, avg=3442.78, stdev=1384.66 clat (msec): min=11, max=110, avg=55.37, stdev=13.38 lat (msec): min=15, max=112, avg=58.81, stdev=13.75 clat percentiles (msec): | 1.00th=[ 28], 5.00th=[ 37], 10.00th=[ 41], 20.00th=[ 45], | 30.00th=[ 48], 40.00th=[ 52], 50.00th=[ 55], 60.00th=[ 58], | 70.00th=[ 61], 80.00th=[ 66], 90.00th=[ 73], 95.00th=[ 81], | 99.00th=[ 96], 99.50th=[ 102], 99.90th=[ 107], 99.95th=[ 111], | 99.99th=[ 111] bw ( KiB/s): min= 424, max= 696, per=25.18%, avg=541.72, stdev=78.13, samples=18 iops : min= 106, max= 174, avg=135.22, stdev=19.58, samples=18 write: IOPS=139, BW=557KiB/s (571kB/s)(5192KiB/9314msec); 0 zone resets slat (usec): min=25, max=2272, avg=122.72, stdev=135.70 clat (msec): min=17, max=106, avg=57.00, stdev=12.61 lat (msec): min=18, max=106, avg=57.12, stdev=12.62 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 39], 10.00th=[ 43], 20.00th=[ 47], | 30.00th=[ 51], 40.00th=[ 53], 50.00th=[ 56], 60.00th=[ 58], | 70.00th=[ 62], 80.00th=[ 67], 90.00th=[ 75], 95.00th=[ 82], | 99.00th=[ 92], 99.50th=[ 94], 99.90th=[ 102], 99.95th=[ 107], | 99.99th=[ 107] bw ( KiB/s): min= 423, max= 768, per=25.01%, avg=560.06, stdev=91.09, samples=18 iops : min= 105, max= 192, avg=139.83, stdev=22.81, samples=18 lat (msec) : 20=0.12%, 50=32.50%, 100=66.99%, 250=0.39% cpu : usr=0.56%, sys=4.63%, ctx=2407, 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=148810: Fri Dec 5 08:16:49 2025 read: IOPS=133, BW=533KiB/s (546kB/s)(4976KiB/9329msec) slat (usec): min=1334, max=13921, avg=3486.50, stdev=1412.35 clat (msec): min=4, max=110, avg=55.33, stdev=13.77 lat (msec): min=6, max=114, avg=58.82, stdev=14.15 clat percentiles (msec): | 1.00th=[ 28], 5.00th=[ 36], 10.00th=[ 40], 20.00th=[ 45], | 30.00th=[ 48], 40.00th=[ 52], 50.00th=[ 55], 60.00th=[ 57], | 70.00th=[ 62], 80.00th=[ 66], 90.00th=[ 73], 95.00th=[ 80], | 99.00th=[ 96], 99.50th=[ 101], 99.90th=[ 108], 99.95th=[ 111], | 99.99th=[ 111] bw ( KiB/s): min= 374, max= 760, per=24.81%, avg=533.72, stdev=103.28, samples=18 iops : min= 93, max= 190, avg=133.22, stdev=25.84, samples=18 write: IOPS=141, BW=564KiB/s (578kB/s)(5264KiB/9329msec); 0 zone resets slat (usec): min=21, max=3890, avg=125.78, stdev=155.72 clat (msec): min=24, max=100, avg=57.26, stdev=12.35 lat (msec): min=24, max=100, avg=57.39, stdev=12.36 clat percentiles (msec): | 1.00th=[ 32], 5.00th=[ 40], 10.00th=[ 44], 20.00th=[ 48], | 30.00th=[ 51], 40.00th=[ 54], 50.00th=[ 56], 60.00th=[ 59], | 70.00th=[ 63], 80.00th=[ 67], 90.00th=[ 75], 95.00th=[ 81], | 99.00th=[ 90], 99.50th=[ 94], 99.90th=[ 101], 99.95th=[ 101], | 99.99th=[ 101] bw ( KiB/s): min= 463, max= 726, per=25.26%, avg=565.50, stdev=72.87, samples=18 iops : min= 115, max= 181, avg=141.17, stdev=18.27, samples=18 lat (msec) : 10=0.04%, 20=0.08%, 50=31.88%, 100=67.62%, 250=0.39% cpu : usr=0.65%, sys=4.50%, ctx=2425, 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=148811: Fri Dec 5 08:16:49 2025 read: IOPS=133, BW=534KiB/s (547kB/s)(4984KiB/9328msec) slat (usec): min=1394, max=10926, avg=3500.24, stdev=1365.06 clat (msec): min=4, max=111, avg=55.56, stdev=13.79 lat (msec): min=7, max=116, avg=59.06, stdev=14.17 clat percentiles (msec): | 1.00th=[ 30], 5.00th=[ 36], 10.00th=[ 40], 20.00th=[ 45], | 30.00th=[ 48], 40.00th=[ 52], 50.00th=[ 54], 60.00th=[ 58], | 70.00th=[ 62], 80.00th=[ 67], 90.00th=[ 74], 95.00th=[ 82], | 99.00th=[ 94], 99.50th=[ 101], 99.90th=[ 109], 99.95th=[ 112], | 99.99th=[ 112] bw ( KiB/s): min= 399, max= 712, per=24.93%, avg=536.17, stdev=77.21, samples=18 iops : min= 99, max= 178, avg=133.83, stdev=19.38, samples=18 write: IOPS=140, BW=563KiB/s (577kB/s)(5256KiB/9328msec); 0 zone resets slat (usec): min=29, max=6001, avg=135.53, stdev=235.43 clat (msec): min=12, max=103, avg=56.93, stdev=12.40 lat (msec): min=12, max=103, avg=57.06, stdev=12.42 clat percentiles (msec): | 1.00th=[ 32], 5.00th=[ 39], 10.00th=[ 43], 20.00th=[ 47], | 30.00th=[ 51], 40.00th=[ 54], 50.00th=[ 57], 60.00th=[ 59], | 70.00th=[ 62], 80.00th=[ 67], 90.00th=[ 74], 95.00th=[ 79], | 99.00th=[ 91], 99.50th=[ 96], 99.90th=[ 100], 99.95th=[ 105], | 99.99th=[ 105] bw ( KiB/s): min= 391, max= 766, per=25.07%, avg=561.22, stdev=107.23, samples=18 iops : min= 97, max= 191, avg=140.11, stdev=26.84, samples=18 lat (msec) : 10=0.08%, 20=0.04%, 50=32.66%, 100=66.91%, 250=0.31% cpu : usr=0.83%, sys=4.34%, ctx=2347, 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=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=148812: Fri Dec 5 08:16:49 2025 read: IOPS=136, BW=547KiB/s (560kB/s)(5060KiB/9258msec) slat (usec): min=43, max=12070, avg=3473.99, stdev=1424.88 clat (msec): min=4, max=110, avg=55.16, stdev=13.96 lat (msec): min=5, max=114, avg=58.64, stdev=14.43 clat percentiles (msec): | 1.00th=[ 27], 5.00th=[ 35], 10.00th=[ 40], 20.00th=[ 44], | 30.00th=[ 48], 40.00th=[ 52], 50.00th=[ 55], 60.00th=[ 58], | 70.00th=[ 62], 80.00th=[ 66], 90.00th=[ 73], 95.00th=[ 80], | 99.00th=[ 95], 99.50th=[ 102], 99.90th=[ 107], 99.95th=[ 111], | 99.99th=[ 111] bw ( KiB/s): min= 391, max= 702, per=25.38%, avg=545.94, stdev=77.25, samples=18 iops : min= 97, max= 175, avg=136.28, stdev=19.41, samples=18 write: IOPS=139, BW=560KiB/s (573kB/s)(5180KiB/9258msec); 0 zone resets slat (usec): min=27, max=1373, avg=119.25, stdev=118.77 clat (msec): min=17, max=106, avg=56.82, stdev=12.92 lat (msec): min=18, max=106, avg=56.95, stdev=12.92 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 39], 10.00th=[ 43], 20.00th=[ 47], | 30.00th=[ 51], 40.00th=[ 54], 50.00th=[ 56], 60.00th=[ 59], | 70.00th=[ 62], 80.00th=[ 66], 90.00th=[ 75], 95.00th=[ 82], | 99.00th=[ 96], 99.50th=[ 103], 99.90th=[ 106], 99.95th=[ 107], | 99.99th=[ 107] bw ( KiB/s): min= 424, max= 832, per=24.95%, avg=558.56, stdev=101.07, samples=18 iops : min= 106, max= 208, avg=139.44, stdev=25.26, samples=18 lat (msec) : 10=0.20%, 20=0.12%, 50=33.09%, 100=65.94%, 250=0.66% cpu : usr=0.57%, sys=4.49%, ctx=2348, 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=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=2151KiB/s (2203kB/s), 533KiB/s-547KiB/s (546kB/s-560kB/s), io=19.6MiB (20.5MB), run=9258-9329msec WRITE: bw=2239KiB/s (2293kB/s), 557KiB/s-564KiB/s (571kB/s-578kB/s), io=20.4MiB (21.4MB), run=9258-9329msec 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=148816: Fri Dec 5 08:16:53 2025 read: IOPS=6, BW=265MiB/s (278MB/s)(40.0MiB/151msec) slat (nsec): min=15989k, max=15989k, avg=15988880.00, stdev= 0.00 clat (nsec): min=128387k, max=128387k, avg=128386572.00, stdev= 0.00 lat (nsec): min=144381k, max=144381k, avg=144380626.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 129], 10.00th=[ 129], 20.00th=[ 129], | 30.00th=[ 129], 40.00th=[ 129], 50.00th=[ 129], 60.00th=[ 129], | 70.00th=[ 129], 80.00th=[ 129], 90.00th=[ 129], 95.00th=[ 129], | 99.00th=[ 129], 99.50th=[ 129], 99.90th=[ 129], 99.95th=[ 129], | 99.99th=[ 129] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=9.33%, ctx=4, 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=265MiB/s (278MB/s), 265MiB/s-265MiB/s (278MB/s-278MB/s), io=40.0MiB (41.9MB), run=151-151msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck