== sanity test 398c: run fio to test AIO ================= 01:44:37 (1781243077) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.576837 s, 72.7 MB/s osc.lustre-OST0000-osc-ffff8f0b610e7800.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=180062: Fri Jun 12 01:45:15 2026 write: IOPS=94, BW=379KiB/s (388kB/s)(10.0MiB/27048msec); 0 zone resets slat (usec): min=37, max=18074, avg=371.40, stdev=1072.65 clat (msec): min=32, max=441, avg=168.52, stdev=46.11 lat (msec): min=40, max=441, avg=168.89, stdev=46.12 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 116], 10.00th=[ 125], 20.00th=[ 134], | 30.00th=[ 142], 40.00th=[ 148], 50.00th=[ 159], 60.00th=[ 169], | 70.00th=[ 184], 80.00th=[ 201], 90.00th=[ 228], 95.00th=[ 253], | 99.00th=[ 300], 99.50th=[ 426], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 158, max= 508, per=25.04%, avg=378.55, stdev=77.81, samples=53 iops : min= 39, max= 127, avg=94.28, stdev=19.53, samples=53 lat (msec) : 50=0.04%, 100=1.91%, 250=92.97%, 500=5.08% cpu : usr=0.23%, sys=1.52%, ctx=2373, 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=180063: Fri Jun 12 01:45:15 2026 write: IOPS=94, BW=378KiB/s (387kB/s)(10.0MiB/27073msec); 0 zone resets slat (usec): min=37, max=11416, avg=370.32, stdev=882.10 clat (msec): min=17, max=435, avg=168.16, stdev=45.64 lat (msec): min=17, max=435, avg=168.53, stdev=45.64 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 114], 10.00th=[ 122], 20.00th=[ 136], | 30.00th=[ 144], 40.00th=[ 150], 50.00th=[ 159], 60.00th=[ 167], | 70.00th=[ 182], 80.00th=[ 199], 90.00th=[ 228], 95.00th=[ 253], | 99.00th=[ 296], 99.50th=[ 430], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 142, max= 512, per=24.98%, avg=377.68, stdev=73.49, samples=53 iops : min= 35, max= 128, avg=94.06, stdev=18.41, samples=53 lat (msec) : 20=0.04%, 50=0.16%, 100=1.33%, 250=92.81%, 500=5.66% cpu : usr=0.26%, sys=1.46%, ctx=2949, 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=180064: Fri Jun 12 01:45:15 2026 write: IOPS=94, BW=379KiB/s (388kB/s)(10.0MiB/27008msec); 0 zone resets slat (usec): min=37, max=16989, avg=370.54, stdev=1056.83 clat (msec): min=25, max=442, avg=167.64, stdev=45.49 lat (msec): min=25, max=443, avg=168.02, stdev=45.54 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 112], 10.00th=[ 123], 20.00th=[ 136], | 30.00th=[ 144], 40.00th=[ 150], 50.00th=[ 159], 60.00th=[ 167], | 70.00th=[ 182], 80.00th=[ 194], 90.00th=[ 230], 95.00th=[ 249], | 99.00th=[ 305], 99.50th=[ 359], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 126, max= 540, per=24.89%, avg=376.36, stdev=83.94, samples=53 iops : min= 31, max= 135, avg=93.74, stdev=21.02, samples=53 lat (msec) : 50=0.16%, 100=1.68%, 250=93.79%, 500=4.38% cpu : usr=0.22%, sys=1.46%, ctx=2154, 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=180065: Fri Jun 12 01:45:15 2026 write: IOPS=94, BW=378KiB/s (387kB/s)(10.0MiB/27063msec); 0 zone resets slat (usec): min=37, max=11973, avg=355.08, stdev=804.76 clat (msec): min=21, max=440, avg=168.18, stdev=45.27 lat (msec): min=22, max=440, avg=168.54, stdev=45.24 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 113], 10.00th=[ 123], 20.00th=[ 133], | 30.00th=[ 144], 40.00th=[ 153], 50.00th=[ 159], 60.00th=[ 167], | 70.00th=[ 180], 80.00th=[ 199], 90.00th=[ 228], 95.00th=[ 259], | 99.00th=[ 305], 99.50th=[ 351], 99.90th=[ 401], 99.95th=[ 422], | 99.99th=[ 439] bw ( KiB/s): min= 214, max= 532, per=25.01%, avg=378.23, stdev=73.37, samples=53 iops : min= 53, max= 133, avg=94.21, stdev=18.45, samples=53 lat (msec) : 50=0.27%, 100=1.05%, 250=92.77%, 500=5.90% cpu : usr=0.31%, sys=1.70%, ctx=2934, 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=1513KiB/s (1549kB/s), 378KiB/s-379KiB/s (387kB/s-388kB/s), io=40.0MiB (41.9MB), run=27008-27073msec 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=180081: Fri Jun 12 01:45:58 2026 read: IOPS=37, BW=151KiB/s (155kB/s)(5048KiB/33407msec) slat (usec): min=3108, max=76144, avg=15601.36, stdev=9100.42 clat (msec): min=66, max=479, avg=194.64, stdev=56.57 lat (msec): min=72, max=511, avg=210.25, stdev=59.27 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 121], 10.00th=[ 132], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 174], 50.00th=[ 186], 60.00th=[ 201], | 70.00th=[ 215], 80.00th=[ 232], 90.00th=[ 266], 95.00th=[ 305], | 99.00th=[ 372], 99.50th=[ 409], 99.90th=[ 451], 99.95th=[ 481], | 99.99th=[ 481] bw ( KiB/s): min= 35, max= 262, per=25.05%, avg=150.29, stdev=42.50, samples=66 iops : min= 8, max= 65, avg=37.05, stdev=10.67, samples=66 write: IOPS=38, BW=155KiB/s (159kB/s)(5192KiB/33407msec); 0 zone resets slat (usec): min=56, max=13416, avg=362.94, stdev=809.24 clat (msec): min=38, max=448, avg=203.23, stdev=56.28 lat (msec): min=41, max=448, avg=203.60, stdev=56.28 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 125], 10.00th=[ 142], 20.00th=[ 159], | 30.00th=[ 174], 40.00th=[ 184], 50.00th=[ 197], 60.00th=[ 209], | 70.00th=[ 222], 80.00th=[ 243], 90.00th=[ 275], 95.00th=[ 309], | 99.00th=[ 388], 99.50th=[ 414], 99.90th=[ 435], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 42, max= 240, per=24.81%, avg=155.05, stdev=40.06, samples=66 iops : min= 10, max= 60, avg=38.21, stdev=10.07, samples=66 lat (msec) : 50=0.04%, 100=0.74%, 250=83.52%, 500=15.70% cpu : usr=0.27%, sys=2.23%, ctx=4327, 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=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=180082: Fri Jun 12 01:45:58 2026 read: IOPS=37, BW=150KiB/s (154kB/s)(4976KiB/33094msec) slat (usec): min=60, max=63043, avg=15778.42, stdev=8989.44 clat (msec): min=36, max=462, avg=194.89, stdev=57.16 lat (msec): min=40, max=497, avg=210.68, stdev=59.58 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 121], 10.00th=[ 133], 20.00th=[ 148], | 30.00th=[ 161], 40.00th=[ 176], 50.00th=[ 188], 60.00th=[ 201], | 70.00th=[ 218], 80.00th=[ 236], 90.00th=[ 266], 95.00th=[ 300], | 99.00th=[ 384], 99.50th=[ 418], 99.90th=[ 460], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 79, max= 247, per=24.96%, avg=149.74, stdev=42.05, samples=65 iops : min= 19, max= 61, avg=36.89, stdev=10.61, samples=65 write: IOPS=39, BW=159KiB/s (163kB/s)(5264KiB/33094msec); 0 zone resets slat (usec): min=48, max=25333, avg=340.17, stdev=963.30 clat (msec): min=81, max=478, avg=202.27, stdev=55.55 lat (msec): min=81, max=478, avg=202.61, stdev=55.56 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 129], 10.00th=[ 140], 20.00th=[ 155], | 30.00th=[ 171], 40.00th=[ 184], 50.00th=[ 197], 60.00th=[ 209], | 70.00th=[ 224], 80.00th=[ 241], 90.00th=[ 275], 95.00th=[ 309], | 99.00th=[ 376], 99.50th=[ 401], 99.90th=[ 439], 99.95th=[ 481], | 99.99th=[ 481] bw ( KiB/s): min= 55, max= 237, per=25.40%, avg=158.74, stdev=40.81, samples=65 iops : min= 13, max= 59, avg=39.15, stdev=10.23, samples=65 lat (msec) : 50=0.12%, 100=0.86%, 250=83.79%, 500=15.23% cpu : usr=0.23%, sys=2.15%, ctx=4277, 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=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=180083: Fri Jun 12 01:45:59 2026 read: IOPS=37, BW=149KiB/s (153kB/s)(4984KiB/33399msec) slat (usec): min=2806, max=78876, avg=15695.32, stdev=8920.10 clat (msec): min=67, max=427, avg=194.65, stdev=54.10 lat (msec): min=82, max=451, avg=210.36, stdev=56.62 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 117], 10.00th=[ 133], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 190], 60.00th=[ 203], | 70.00th=[ 218], 80.00th=[ 234], 90.00th=[ 266], 95.00th=[ 296], | 99.00th=[ 355], 99.50th=[ 380], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 426] bw ( KiB/s): min= 35, max= 237, per=24.81%, avg=148.83, stdev=43.21, samples=66 iops : min= 8, max= 59, avg=36.68, stdev=10.92, samples=66 write: IOPS=39, BW=157KiB/s (161kB/s)(5256KiB/33399msec); 0 zone resets slat (usec): min=42, max=17445, avg=490.13, stdev=1385.62 clat (msec): min=54, max=438, avg=203.30, stdev=57.26 lat (msec): min=57, max=441, avg=203.79, stdev=57.34 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 127], 10.00th=[ 142], 20.00th=[ 157], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 197], 60.00th=[ 209], | 70.00th=[ 222], 80.00th=[ 239], 90.00th=[ 275], 95.00th=[ 317], | 99.00th=[ 397], 99.50th=[ 401], 99.90th=[ 430], 99.95th=[ 439], | 99.99th=[ 439] bw ( KiB/s): min= 42, max= 269, per=25.07%, avg=156.70, stdev=45.05, samples=66 iops : min= 10, max= 67, avg=38.64, stdev=11.28, samples=66 lat (msec) : 100=0.86%, 250=84.30%, 500=14.84% cpu : usr=0.25%, sys=2.19%, ctx=4242, 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=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=180084: Fri Jun 12 01:45:59 2026 read: IOPS=37, BW=152KiB/s (155kB/s)(5060KiB/33353msec) slat (usec): min=3117, max=67209, avg=15954.76, stdev=8841.77 clat (msec): min=74, max=443, avg=196.13, stdev=55.73 lat (msec): min=96, max=475, avg=212.09, stdev=58.38 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 123], 10.00th=[ 133], 20.00th=[ 148], | 30.00th=[ 161], 40.00th=[ 176], 50.00th=[ 190], 60.00th=[ 203], | 70.00th=[ 220], 80.00th=[ 239], 90.00th=[ 275], 95.00th=[ 300], | 99.00th=[ 359], 99.50th=[ 393], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 28, max= 232, per=25.16%, avg=150.98, stdev=37.14, samples=66 iops : min= 7, max= 58, avg=37.21, stdev= 9.30, samples=66 write: IOPS=38, BW=155KiB/s (159kB/s)(5180KiB/33353msec); 0 zone resets slat (usec): min=45, max=24653, avg=461.75, stdev=1303.06 clat (msec): min=29, max=448, avg=200.63, stdev=57.34 lat (msec): min=30, max=448, avg=201.10, stdev=57.34 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 127], 10.00th=[ 138], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 180], 50.00th=[ 194], 60.00th=[ 209], | 70.00th=[ 222], 80.00th=[ 241], 90.00th=[ 271], 95.00th=[ 313], | 99.00th=[ 401], 99.50th=[ 414], 99.90th=[ 443], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 49, max= 252, per=24.73%, avg=154.56, stdev=44.65, samples=66 iops : min= 12, max= 63, avg=38.11, stdev=11.22, samples=66 lat (msec) : 50=0.12%, 100=0.47%, 250=83.52%, 500=15.90% cpu : usr=0.27%, sys=2.27%, ctx=4305, 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=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=601KiB/s (615kB/s), 149KiB/s-152KiB/s (153kB/s-155kB/s), io=19.6MiB (20.5MB), run=33094-33407msec WRITE: bw=625KiB/s (640kB/s), 155KiB/s-159KiB/s (159kB/s-163kB/s), io=20.4MiB (21.4MB), run=33094-33407msec 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=180093: Fri Jun 12 01:46:09 2026 read: IOPS=2, BW=98.3MiB/s (103MB/s)(40.0MiB/407msec) slat (nsec): min=56945k, max=56945k, avg=56944770.00, stdev= 0.00 clat (nsec): min=329607k, max=329607k, avg=329606549.00, stdev= 0.00 lat (nsec): min=386558k, max=386558k, avg=386558247.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 330], 5.00th=[ 330], 10.00th=[ 330], 20.00th=[ 330], | 30.00th=[ 330], 40.00th=[ 330], 50.00th=[ 330], 60.00th=[ 330], | 70.00th=[ 330], 80.00th=[ 330], 90.00th=[ 330], 95.00th=[ 330], | 99.00th=[ 330], 99.50th=[ 330], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.96%, ctx=6, 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=98.3MiB/s (103MB/s), 98.3MiB/s-98.3MiB/s (103MB/s-103MB/s), io=40.0MiB (41.9MB), run=407-407msec 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