== sanity test 398c: run fio to test AIO ================= 23:58:02 (1781236682) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.421147 s, 99.6 MB/s osc.lustre-OST0000-osc-ffff9b6282fcf800.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=180440: Thu Jun 11 23:58:44 2026 write: IOPS=81, BW=325KiB/s (333kB/s)(10.0MiB/31533msec); 0 zone resets slat (usec): min=51, max=12493, avg=307.23, stdev=780.24 clat (msec): min=33, max=449, avg=196.60, stdev=57.61 lat (msec): min=33, max=449, avg=196.91, stdev=57.62 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 121], 10.00th=[ 133], 20.00th=[ 150], | 30.00th=[ 161], 40.00th=[ 174], 50.00th=[ 188], 60.00th=[ 203], | 70.00th=[ 222], 80.00th=[ 245], 90.00th=[ 279], 95.00th=[ 296], | 99.00th=[ 376], 99.50th=[ 380], 99.90th=[ 451], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 165, max= 512, per=25.08%, avg=324.52, stdev=85.98, samples=62 iops : min= 41, max= 128, avg=80.76, stdev=21.54, samples=62 lat (msec) : 50=0.08%, 100=1.17%, 250=80.70%, 500=18.05% cpu : usr=0.18%, sys=1.07%, ctx=2026, 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=180441: Thu Jun 11 23:58:44 2026 write: IOPS=80, BW=324KiB/s (331kB/s)(10.0MiB/31633msec); 0 zone resets slat (usec): min=51, max=19097, avg=340.70, stdev=884.84 clat (msec): min=16, max=406, avg=196.34, stdev=58.11 lat (msec): min=17, max=406, avg=196.68, stdev=58.09 clat percentiles (msec): | 1.00th=[ 88], 5.00th=[ 122], 10.00th=[ 132], 20.00th=[ 148], | 30.00th=[ 161], 40.00th=[ 174], 50.00th=[ 188], 60.00th=[ 205], | 70.00th=[ 220], 80.00th=[ 245], 90.00th=[ 275], 95.00th=[ 300], | 99.00th=[ 388], 99.50th=[ 397], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 160, max= 495, per=25.02%, avg=323.73, stdev=79.84, samples=62 iops : min= 40, max= 123, avg=80.56, stdev=19.94, samples=62 lat (msec) : 20=0.08%, 50=0.12%, 100=1.33%, 250=80.74%, 500=17.73% cpu : usr=0.19%, sys=1.15%, ctx=2358, 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=180442: Thu Jun 11 23:58:44 2026 write: IOPS=80, BW=324KiB/s (331kB/s)(10.0MiB/31636msec); 0 zone resets slat (usec): min=39, max=13132, avg=291.94, stdev=744.06 clat (msec): min=10, max=403, avg=196.60, stdev=60.08 lat (msec): min=11, max=403, avg=196.90, stdev=60.04 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 116], 10.00th=[ 132], 20.00th=[ 148], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 188], 60.00th=[ 205], | 70.00th=[ 226], 80.00th=[ 243], 90.00th=[ 275], 95.00th=[ 305], | 99.00th=[ 380], 99.50th=[ 401], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 405] bw ( KiB/s): min= 135, max= 512, per=24.81%, avg=321.00, stdev=90.02, samples=62 iops : min= 33, max= 128, avg=79.90, stdev=22.53, samples=62 lat (msec) : 20=0.08%, 50=0.31%, 100=1.80%, 250=81.76%, 500=16.05% cpu : usr=0.14%, sys=0.90%, ctx=1498, 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=180443: Thu Jun 11 23:58:44 2026 write: IOPS=80, BW=324KiB/s (332kB/s)(10.0MiB/31606msec); 0 zone resets slat (usec): min=52, max=9801, avg=287.85, stdev=626.33 clat (msec): min=14, max=405, avg=196.55, stdev=58.28 lat (msec): min=15, max=405, avg=196.85, stdev=58.32 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 120], 10.00th=[ 136], 20.00th=[ 148], | 30.00th=[ 161], 40.00th=[ 174], 50.00th=[ 190], 60.00th=[ 203], | 70.00th=[ 220], 80.00th=[ 245], 90.00th=[ 279], 95.00th=[ 296], | 99.00th=[ 380], 99.50th=[ 397], 99.90th=[ 405], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 199, max= 512, per=25.01%, avg=323.69, stdev=80.94, samples=62 iops : min= 49, max= 128, avg=80.52, stdev=20.25, samples=62 lat (msec) : 20=0.04%, 50=0.04%, 100=1.52%, 250=80.47%, 500=17.93% cpu : usr=0.12%, sys=1.04%, ctx=2013, 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=1295KiB/s (1326kB/s), 324KiB/s-325KiB/s (331kB/s-333kB/s), io=40.0MiB (41.9MB), run=31533-31636msec 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=180462: Thu Jun 11 23:59:25 2026 read: IOPS=39, BW=157KiB/s (161kB/s)(5048KiB/32151msec) slat (usec): min=3377, max=59692, avg=14109.07, stdev=7785.16 clat (msec): min=94, max=407, avg=190.37, stdev=45.36 lat (msec): min=106, max=422, avg=204.48, stdev=47.29 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 128], 10.00th=[ 136], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 226], 90.00th=[ 249], 95.00th=[ 271], | 99.00th=[ 334], 99.50th=[ 363], 99.90th=[ 401], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 80, max= 223, per=25.00%, avg=155.98, stdev=33.39, samples=63 iops : min= 20, max= 55, avg=38.57, stdev= 8.34, samples=63 write: IOPS=40, BW=161KiB/s (165kB/s)(5192KiB/32151msec); 0 zone resets slat (usec): min=51, max=16088, avg=312.10, stdev=789.74 clat (msec): min=50, max=385, avg=194.78, stdev=39.28 lat (msec): min=50, max=385, avg=195.10, stdev=39.31 clat percentiles (msec): | 1.00th=[ 123], 5.00th=[ 142], 10.00th=[ 148], 20.00th=[ 161], | 30.00th=[ 174], 40.00th=[ 182], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 211], 80.00th=[ 226], 90.00th=[ 247], 95.00th=[ 264], | 99.00th=[ 309], 99.50th=[ 338], 99.90th=[ 380], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 80, max= 239, per=24.85%, avg=161.29, stdev=35.86, samples=63 iops : min= 20, max= 59, avg=39.87, stdev= 8.96, samples=63 lat (msec) : 100=0.12%, 250=90.86%, 500=9.02% cpu : usr=0.18%, sys=1.76%, ctx=4432, 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=180463: Thu Jun 11 23:59:25 2026 read: IOPS=38, BW=155KiB/s (159kB/s)(4976KiB/32136msec) slat (usec): min=2414, max=57603, avg=14133.95, stdev=7478.29 clat (msec): min=29, max=380, avg=190.90, stdev=45.22 lat (msec): min=34, max=397, avg=205.05, stdev=46.79 clat percentiles (msec): | 1.00th=[ 111], 5.00th=[ 130], 10.00th=[ 140], 20.00th=[ 155], | 30.00th=[ 167], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 197], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 251], 95.00th=[ 279], | 99.00th=[ 321], 99.50th=[ 342], 99.90th=[ 368], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 86, max= 223, per=24.70%, avg=154.11, stdev=34.78, samples=63 iops : min= 21, max= 55, avg=38.08, stdev= 8.65, samples=63 write: IOPS=40, BW=164KiB/s (168kB/s)(5264KiB/32136msec); 0 zone resets slat (usec): min=40, max=21511, avg=303.63, stdev=951.16 clat (msec): min=90, max=399, avg=194.87, stdev=40.75 lat (msec): min=90, max=399, avg=195.18, stdev=40.75 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 140], 10.00th=[ 146], 20.00th=[ 161], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 213], 80.00th=[ 226], 90.00th=[ 251], 95.00th=[ 268], | 99.00th=[ 313], 99.50th=[ 326], 99.90th=[ 401], 99.95th=[ 401], | 99.99th=[ 401] bw ( KiB/s): min= 87, max= 256, per=25.23%, avg=163.76, stdev=38.90, samples=63 iops : min= 21, max= 64, avg=40.51, stdev= 9.74, samples=63 lat (msec) : 50=0.08%, 100=0.20%, 250=89.69%, 500=10.04% cpu : usr=0.21%, sys=2.09%, ctx=4580, 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=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=180464: Thu Jun 11 23:59:25 2026 read: IOPS=39, BW=156KiB/s (160kB/s)(4984KiB/31852msec) slat (usec): min=95, max=66423, avg=13790.75, stdev=7257.89 clat (msec): min=11, max=446, avg=187.76, stdev=45.04 lat (msec): min=22, max=464, avg=201.56, stdev=46.63 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 125], 10.00th=[ 136], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 194], | 70.00th=[ 207], 80.00th=[ 222], 90.00th=[ 243], 95.00th=[ 262], | 99.00th=[ 330], 99.50th=[ 347], 99.90th=[ 388], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 71, max= 247, per=25.00%, avg=156.00, stdev=35.43, samples=63 iops : min= 17, max= 61, avg=38.56, stdev= 8.81, samples=63 write: IOPS=41, BW=165KiB/s (169kB/s)(5256KiB/31852msec); 0 zone resets slat (usec): min=52, max=11720, avg=300.39, stdev=756.12 clat (msec): min=65, max=445, avg=195.98, stdev=44.52 lat (msec): min=65, max=446, avg=196.28, stdev=44.57 clat percentiles (msec): | 1.00th=[ 113], 5.00th=[ 138], 10.00th=[ 148], 20.00th=[ 161], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 211], 80.00th=[ 228], 90.00th=[ 249], 95.00th=[ 284], | 99.00th=[ 326], 99.50th=[ 338], 99.90th=[ 439], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 80, max= 232, per=25.23%, avg=163.75, stdev=36.81, samples=63 iops : min= 20, max= 58, avg=40.48, stdev= 9.25, samples=63 lat (msec) : 20=0.04%, 50=0.16%, 100=0.59%, 250=90.51%, 500=8.71% cpu : usr=0.21%, sys=1.78%, ctx=4470, 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=180465: Thu Jun 11 23:59:25 2026 read: IOPS=39, BW=157KiB/s (161kB/s)(5060KiB/32150msec) slat (usec): min=2686, max=66255, avg=13817.87, stdev=7528.06 clat (msec): min=89, max=384, avg=189.62, stdev=42.90 lat (msec): min=102, max=411, avg=203.44, stdev=44.42 clat percentiles (msec): | 1.00th=[ 113], 5.00th=[ 130], 10.00th=[ 140], 20.00th=[ 155], | 30.00th=[ 167], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 192], | 70.00th=[ 205], 80.00th=[ 224], 90.00th=[ 245], 95.00th=[ 271], | 99.00th=[ 313], 99.50th=[ 338], 99.90th=[ 384], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 86, max= 224, per=25.10%, avg=156.65, stdev=35.37, samples=63 iops : min= 21, max= 56, avg=38.73, stdev= 8.82, samples=63 write: IOPS=40, BW=161KiB/s (165kB/s)(5180KiB/32150msec); 0 zone resets slat (usec): min=55, max=13196, avg=355.60, stdev=929.90 clat (msec): min=99, max=364, avg=196.02, stdev=40.84 lat (msec): min=99, max=364, avg=196.38, stdev=40.88 clat percentiles (msec): | 1.00th=[ 120], 5.00th=[ 138], 10.00th=[ 148], 20.00th=[ 161], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 194], 60.00th=[ 205], | 70.00th=[ 213], 80.00th=[ 228], 90.00th=[ 249], 95.00th=[ 271], | 99.00th=[ 313], 99.50th=[ 334], 99.90th=[ 347], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 56, max= 256, per=24.66%, avg=160.05, stdev=34.52, samples=63 iops : min= 14, max= 64, avg=39.57, stdev= 8.63, samples=63 lat (msec) : 100=0.12%, 250=91.02%, 500=8.87% cpu : usr=0.22%, sys=1.84%, ctx=4741, 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=624KiB/s (639kB/s), 155KiB/s-157KiB/s (159kB/s-161kB/s), io=19.6MiB (20.5MB), run=31852-32151msec WRITE: bw=650KiB/s (665kB/s), 161KiB/s-165KiB/s (165kB/s-169kB/s), io=20.4MiB (21.4MB), run=31852-32151msec 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=180474: Thu Jun 11 23:59:36 2026 read: IOPS=1, BW=78.6MiB/s (82.4MB/s)(40.0MiB/509msec) slat (nsec): min=61890k, max=61890k, avg=61890084.00, stdev= 0.00 clat (nsec): min=415446k, max=415446k, avg=415445653.00, stdev= 0.00 lat (nsec): min=477341k, max=477341k, avg=477340600.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 418], 5.00th=[ 418], 10.00th=[ 418], 20.00th=[ 418], | 30.00th=[ 418], 40.00th=[ 418], 50.00th=[ 418], 60.00th=[ 418], | 70.00th=[ 418], 80.00th=[ 418], 90.00th=[ 418], 95.00th=[ 418], | 99.00th=[ 418], 99.50th=[ 418], 99.90th=[ 418], 99.95th=[ 418], | 99.99th=[ 418] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.17%, ctx=5, 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=78.6MiB/s (82.4MB/s), 78.6MiB/s-78.6MiB/s (82.4MB/s-82.4MB/s), io=40.0MiB (41.9MB), run=509-509msec 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