== sanity test 398c: run fio to test AIO ================= 18:53:48 (1781218428) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.571453 s, 73.4 MB/s osc.lustre-OST0000-osc-ffff9658a0d81000.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=179903: Thu Jun 11 18:54:36 2026 write: IOPS=69, BW=278KiB/s (284kB/s)(10.0MiB/36897msec); 0 zone resets slat (usec): min=50, max=15068, avg=378.05, stdev=898.74 clat (msec): min=60, max=378, avg=229.31, stdev=44.25 lat (msec): min=61, max=378, avg=229.69, stdev=44.23 clat percentiles (msec): | 1.00th=[ 140], 5.00th=[ 163], 10.00th=[ 174], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 230], 60.00th=[ 239], | 70.00th=[ 249], 80.00th=[ 264], 90.00th=[ 288], 95.00th=[ 313], | 99.00th=[ 351], 99.50th=[ 368], 99.90th=[ 380], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 125, max= 383, per=24.90%, avg=276.36, stdev=56.16, samples=73 iops : min= 31, max= 95, avg=68.68, stdev=14.03, samples=73 lat (msec) : 100=0.35%, 250=70.27%, 500=29.38% cpu : usr=0.16%, sys=1.05%, ctx=2398, 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=179904: Thu Jun 11 18:54:36 2026 write: IOPS=69, BW=278KiB/s (284kB/s)(10.0MiB/36860msec); 0 zone resets slat (usec): min=51, max=11005, avg=368.85, stdev=897.57 clat (msec): min=16, max=385, avg=229.32, stdev=45.01 lat (msec): min=18, max=385, avg=229.69, stdev=44.98 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 161], 10.00th=[ 176], 20.00th=[ 194], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 228], 60.00th=[ 239], | 70.00th=[ 251], 80.00th=[ 266], 90.00th=[ 288], 95.00th=[ 305], | 99.00th=[ 359], 99.50th=[ 372], 99.90th=[ 380], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 127, max= 383, per=24.98%, avg=277.27, stdev=53.37, samples=73 iops : min= 31, max= 95, avg=68.93, stdev=13.38, samples=73 lat (msec) : 20=0.08%, 50=0.12%, 100=0.12%, 250=69.80%, 500=29.88% cpu : usr=0.16%, sys=1.11%, ctx=2485, 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=179905: Thu Jun 11 18:54:36 2026 write: IOPS=69, BW=279KiB/s (285kB/s)(10.0MiB/36753msec); 0 zone resets slat (usec): min=52, max=15417, avg=388.71, stdev=964.08 clat (msec): min=16, max=385, avg=229.05, stdev=45.96 lat (msec): min=16, max=385, avg=229.44, stdev=45.93 clat percentiles (msec): | 1.00th=[ 128], 5.00th=[ 159], 10.00th=[ 171], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 230], 60.00th=[ 239], | 70.00th=[ 251], 80.00th=[ 266], 90.00th=[ 288], 95.00th=[ 313], | 99.00th=[ 351], 99.50th=[ 359], 99.90th=[ 384], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 150, max= 384, per=24.98%, avg=277.32, stdev=52.44, samples=73 iops : min= 37, max= 96, avg=68.93, stdev=13.16, samples=73 lat (msec) : 20=0.08%, 50=0.16%, 100=0.20%, 250=69.18%, 500=30.39% cpu : usr=0.12%, sys=1.10%, ctx=2617, 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=179906: Thu Jun 11 18:54:36 2026 write: IOPS=69, BW=278KiB/s (284kB/s)(10.0MiB/36900msec); 0 zone resets slat (usec): min=39, max=22296, avg=390.27, stdev=1154.86 clat (msec): min=52, max=369, avg=229.46, stdev=44.37 lat (msec): min=54, max=369, avg=229.86, stdev=44.37 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 163], 10.00th=[ 174], 20.00th=[ 190], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 228], 60.00th=[ 239], | 70.00th=[ 249], 80.00th=[ 266], 90.00th=[ 288], 95.00th=[ 309], | 99.00th=[ 355], 99.50th=[ 368], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 142, max= 383, per=24.91%, avg=276.52, stdev=54.48, samples=73 iops : min= 35, max= 95, avg=68.73, stdev=13.66, samples=73 lat (msec) : 100=0.04%, 250=70.62%, 500=29.34% cpu : usr=0.15%, sys=0.99%, ctx=2194, 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=1110KiB/s (1137kB/s), 278KiB/s-279KiB/s (284kB/s-285kB/s), io=40.0MiB (41.9MB), run=36753-36900msec 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=179922: Thu Jun 11 18:55:22 2026 read: IOPS=35, BW=140KiB/s (144kB/s)(5048KiB/36016msec) slat (usec): min=58, max=69722, avg=15837.58, stdev=8653.07 clat (msec): min=21, max=425, avg=211.54, stdev=45.38 lat (msec): min=25, max=432, avg=227.38, stdev=47.09 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 144], 10.00th=[ 159], 20.00th=[ 176], | 30.00th=[ 188], 40.00th=[ 201], 50.00th=[ 211], 60.00th=[ 222], | 70.00th=[ 232], 80.00th=[ 249], 90.00th=[ 271], 95.00th=[ 288], | 99.00th=[ 321], 99.50th=[ 338], 99.90th=[ 380], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 87, max= 199, per=25.35%, avg=139.68, stdev=28.37, samples=71 iops : min= 21, max= 49, avg=34.45, stdev= 7.08, samples=71 write: IOPS=36, BW=144KiB/s (148kB/s)(5192KiB/36016msec); 0 zone resets slat (usec): min=59, max=29935, avg=458.46, stdev=1303.87 clat (msec): min=37, max=442, avg=221.46, stdev=44.07 lat (msec): min=37, max=444, avg=221.93, stdev=44.18 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 157], 10.00th=[ 167], 20.00th=[ 182], | 30.00th=[ 194], 40.00th=[ 209], 50.00th=[ 220], 60.00th=[ 232], | 70.00th=[ 245], 80.00th=[ 257], 90.00th=[ 279], 95.00th=[ 296], | 99.00th=[ 334], 99.50th=[ 351], 99.90th=[ 426], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 56, max= 214, per=25.10%, avg=143.80, stdev=28.24, samples=71 iops : min= 14, max= 53, avg=35.48, stdev= 7.03, samples=71 lat (msec) : 50=0.23%, 100=0.23%, 250=77.50%, 500=22.03% cpu : usr=0.27%, sys=2.00%, ctx=4370, 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=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=179923: Thu Jun 11 18:55:22 2026 read: IOPS=34, BW=137KiB/s (141kB/s)(4976KiB/36231msec) slat (usec): min=3300, max=61518, avg=16052.23, stdev=8476.08 clat (msec): min=88, max=387, avg=211.56, stdev=43.42 lat (msec): min=103, max=411, avg=227.62, stdev=44.84 clat percentiles (msec): | 1.00th=[ 125], 5.00th=[ 144], 10.00th=[ 159], 20.00th=[ 176], | 30.00th=[ 188], 40.00th=[ 199], 50.00th=[ 209], 60.00th=[ 220], | 70.00th=[ 232], 80.00th=[ 247], 90.00th=[ 268], 95.00th=[ 288], | 99.00th=[ 326], 99.50th=[ 351], 99.90th=[ 376], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 36, max= 216, per=24.73%, avg=136.28, stdev=33.62, samples=71 iops : min= 9, max= 54, avg=33.61, stdev= 8.38, samples=71 write: IOPS=36, BW=145KiB/s (149kB/s)(5264KiB/36231msec); 0 zone resets slat (usec): min=57, max=15675, avg=383.26, stdev=831.42 clat (msec): min=89, max=372, avg=221.37, stdev=43.91 lat (msec): min=89, max=373, avg=221.76, stdev=43.92 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 153], 10.00th=[ 165], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 209], 50.00th=[ 222], 60.00th=[ 230], | 70.00th=[ 245], 80.00th=[ 257], 90.00th=[ 284], 95.00th=[ 296], | 99.00th=[ 326], 99.50th=[ 342], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 88, max= 215, per=25.33%, avg=145.14, stdev=28.95, samples=71 iops : min= 22, max= 53, avg=35.82, stdev= 7.20, samples=71 lat (msec) : 100=0.16%, 250=77.42%, 500=22.42% cpu : usr=0.25%, sys=1.95%, ctx=4313, 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=179924: Thu Jun 11 18:55:22 2026 read: IOPS=34, BW=137KiB/s (140kB/s)(4984KiB/36372msec) slat (usec): min=3627, max=61462, avg=16186.92, stdev=8451.52 clat (msec): min=82, max=386, avg=212.06, stdev=45.21 lat (msec): min=89, max=423, avg=228.26, stdev=46.45 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 142], 10.00th=[ 155], 20.00th=[ 174], | 30.00th=[ 188], 40.00th=[ 201], 50.00th=[ 209], 60.00th=[ 222], | 70.00th=[ 234], 80.00th=[ 251], 90.00th=[ 271], 95.00th=[ 288], | 99.00th=[ 334], 99.50th=[ 347], 99.90th=[ 384], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 51, max= 239, per=24.82%, avg=136.74, stdev=38.67, samples=72 iops : min= 12, max= 59, avg=33.69, stdev= 9.70, samples=72 write: IOPS=36, BW=145KiB/s (148kB/s)(5256KiB/36372msec); 0 zone resets slat (usec): min=59, max=27379, avg=423.07, stdev=1179.67 clat (msec): min=29, max=389, avg=222.41, stdev=43.43 lat (msec): min=30, max=389, avg=222.84, stdev=43.46 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 153], 10.00th=[ 165], 20.00th=[ 186], | 30.00th=[ 199], 40.00th=[ 209], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 247], 80.00th=[ 259], 90.00th=[ 279], 95.00th=[ 292], | 99.00th=[ 326], 99.50th=[ 351], 99.90th=[ 376], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 71, max= 213, per=25.07%, avg=143.62, stdev=31.51, samples=72 iops : min= 17, max= 53, avg=35.44, stdev= 7.84, samples=72 lat (msec) : 50=0.04%, 100=0.08%, 250=76.05%, 500=23.83% cpu : usr=0.30%, sys=1.94%, ctx=4299, 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=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=179925: Thu Jun 11 18:55:22 2026 read: IOPS=34, BW=139KiB/s (142kB/s)(5060KiB/36409msec) slat (usec): min=3656, max=77294, avg=16144.50, stdev=8439.29 clat (msec): min=28, max=411, avg=214.25, stdev=46.70 lat (msec): min=39, max=427, avg=230.40, stdev=48.21 clat percentiles (msec): | 1.00th=[ 120], 5.00th=[ 142], 10.00th=[ 157], 20.00th=[ 176], | 30.00th=[ 190], 40.00th=[ 203], 50.00th=[ 213], 60.00th=[ 224], | 70.00th=[ 234], 80.00th=[ 251], 90.00th=[ 275], 95.00th=[ 296], | 99.00th=[ 330], 99.50th=[ 351], 99.90th=[ 405], 99.95th=[ 414], | 99.99th=[ 414] bw ( KiB/s): min= 7, max= 224, per=25.08%, avg=138.21, stdev=30.75, samples=72 iops : min= 1, max= 56, avg=34.07, stdev= 7.75, samples=72 write: IOPS=35, BW=142KiB/s (146kB/s)(5180KiB/36409msec); 0 zone resets slat (usec): min=56, max=17917, avg=434.48, stdev=1109.64 clat (msec): min=38, max=377, avg=219.98, stdev=42.98 lat (msec): min=40, max=377, avg=220.42, stdev=42.97 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 153], 10.00th=[ 167], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 207], 50.00th=[ 220], 60.00th=[ 232], | 70.00th=[ 243], 80.00th=[ 257], 90.00th=[ 275], 95.00th=[ 292], | 99.00th=[ 326], 99.50th=[ 347], 99.90th=[ 368], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 29, max= 231, per=24.60%, avg=140.93, stdev=36.14, samples=72 iops : min= 7, max= 57, avg=34.76, stdev= 8.99, samples=72 lat (msec) : 50=0.16%, 100=0.35%, 250=77.11%, 500=22.38% cpu : usr=0.22%, sys=2.04%, ctx=4503, 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=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=551KiB/s (564kB/s), 137KiB/s-140KiB/s (140kB/s-144kB/s), io=19.6MiB (20.5MB), run=36016-36409msec WRITE: bw=574KiB/s (588kB/s), 142KiB/s-145KiB/s (146kB/s-149kB/s), io=20.4MiB (21.4MB), run=36016-36409msec 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=179935: Thu Jun 11 18:55:33 2026 read: IOPS=1, BW=57.9MiB/s (60.7MB/s)(40.0MiB/691msec) slat (nsec): min=60893k, max=60893k, avg=60893470.00, stdev= 0.00 clat (nsec): min=591357k, max=591357k, avg=591356634.00, stdev= 0.00 lat (nsec): min=652281k, max=652281k, avg=652280757.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 592], 5.00th=[ 592], 10.00th=[ 592], 20.00th=[ 592], | 30.00th=[ 592], 40.00th=[ 592], 50.00th=[ 592], 60.00th=[ 592], | 70.00th=[ 592], 80.00th=[ 592], 90.00th=[ 592], 95.00th=[ 592], | 99.00th=[ 592], 99.50th=[ 592], 99.90th=[ 592], 99.95th=[ 592], | 99.99th=[ 592] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=2.17%, ctx=8, majf=0, minf=10 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=57.9MiB/s (60.7MB/s), 57.9MiB/s-57.9MiB/s (60.7MB/s-60.7MB/s), io=40.0MiB (41.9MB), run=691-691msec 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