== sanity test 398c: run fio to test AIO ================= 14:04:19 (1784052259) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.35509 s, 118 MB/s osc.lustre-OST0000-osc-ffff9c28d0880800.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=179694: Tue Jul 14 14:04:59 2026 write: IOPS=86, BW=345KiB/s (353kB/s)(10.0MiB/29692msec); 0 zone resets slat (usec): min=36, max=16558, avg=264.73, stdev=859.31 clat (msec): min=32, max=392, avg=184.02, stdev=54.30 lat (msec): min=33, max=392, avg=184.29, stdev=54.31 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 110], 10.00th=[ 118], 20.00th=[ 138], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 176], 60.00th=[ 190], | 70.00th=[ 205], 80.00th=[ 228], 90.00th=[ 262], 95.00th=[ 292], | 99.00th=[ 338], 99.50th=[ 342], 99.90th=[ 393], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 127, max= 638, per=24.92%, avg=343.69, stdev=96.64, samples=58 iops : min= 31, max= 159, avg=85.52, stdev=24.24, samples=58 lat (msec) : 50=0.04%, 100=2.81%, 250=85.43%, 500=11.72% cpu : usr=0.17%, sys=1.07%, ctx=1912, 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=179695: Tue Jul 14 14:04:59 2026 write: IOPS=86, BW=345KiB/s (354kB/s)(10.0MiB/29644msec); 0 zone resets slat (usec): min=36, max=22164, avg=323.24, stdev=1087.65 clat (msec): min=25, max=383, avg=183.93, stdev=54.81 lat (msec): min=25, max=383, avg=184.25, stdev=54.86 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 109], 10.00th=[ 120], 20.00th=[ 138], | 30.00th=[ 155], 40.00th=[ 163], 50.00th=[ 176], 60.00th=[ 188], | 70.00th=[ 205], 80.00th=[ 228], 90.00th=[ 264], 95.00th=[ 288], | 99.00th=[ 338], 99.50th=[ 372], 99.90th=[ 380], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 199, max= 638, per=25.05%, avg=345.47, stdev=81.98, samples=58 iops : min= 49, max= 159, avg=85.97, stdev=20.49, samples=58 lat (msec) : 50=0.12%, 100=2.97%, 250=84.10%, 500=12.81% cpu : usr=0.15%, sys=1.21%, ctx=2636, 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=179696: Tue Jul 14 14:04:59 2026 write: IOPS=86, BW=345KiB/s (353kB/s)(10.0MiB/29696msec); 0 zone resets slat (usec): min=34, max=22865, avg=319.29, stdev=1115.30 clat (msec): min=15, max=370, avg=184.17, stdev=52.53 lat (msec): min=15, max=370, avg=184.49, stdev=52.62 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 111], 10.00th=[ 121], 20.00th=[ 140], | 30.00th=[ 155], 40.00th=[ 165], 50.00th=[ 178], 60.00th=[ 188], | 70.00th=[ 205], 80.00th=[ 228], 90.00th=[ 262], 95.00th=[ 288], | 99.00th=[ 321], 99.50th=[ 338], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 205, max= 638, per=24.89%, avg=343.21, stdev=85.28, samples=58 iops : min= 51, max= 159, avg=85.41, stdev=21.32, samples=58 lat (msec) : 20=0.08%, 50=0.04%, 100=1.68%, 250=86.52%, 500=11.68% cpu : usr=0.19%, sys=1.17%, ctx=2389, 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=179697: Tue Jul 14 14:04:59 2026 write: IOPS=86, BW=347KiB/s (356kB/s)(10.0MiB/29495msec); 0 zone resets slat (usec): min=36, max=23014, avg=337.68, stdev=1079.89 clat (msec): min=11, max=384, avg=183.83, stdev=54.94 lat (msec): min=11, max=384, avg=184.17, stdev=54.97 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 109], 10.00th=[ 118], 20.00th=[ 138], | 30.00th=[ 155], 40.00th=[ 167], 50.00th=[ 180], 60.00th=[ 192], | 70.00th=[ 207], 80.00th=[ 226], 90.00th=[ 262], 95.00th=[ 288], | 99.00th=[ 342], 99.50th=[ 359], 99.90th=[ 380], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 189, max= 606, per=25.17%, avg=347.10, stdev=83.91, samples=58 iops : min= 47, max= 151, avg=86.36, stdev=21.00, samples=58 lat (msec) : 20=0.08%, 50=0.43%, 100=2.42%, 250=86.09%, 500=10.98% cpu : usr=0.23%, sys=1.30%, ctx=2766, 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 Run status group 0 (all jobs): WRITE: bw=1379KiB/s (1412kB/s), 345KiB/s-347KiB/s (353kB/s-356kB/s), io=40.0MiB (41.9MB), run=29495-29696msec 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=179713: Tue Jul 14 14:05:45 2026 read: IOPS=40, BW=162KiB/s (166kB/s)(5048KiB/31130msec) slat (usec): min=3126, max=56428, avg=14156.49, stdev=7977.94 clat (msec): min=23, max=431, avg=181.76, stdev=52.25 lat (msec): min=32, max=444, avg=195.94, stdev=54.37 clat percentiles (msec): | 1.00th=[ 78], 5.00th=[ 99], 10.00th=[ 114], 20.00th=[ 138], | 30.00th=[ 153], 40.00th=[ 167], 50.00th=[ 182], 60.00th=[ 194], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 247], 95.00th=[ 268], | 99.00th=[ 305], 99.50th=[ 321], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 71, max= 312, per=24.94%, avg=160.59, stdev=46.83, samples=61 iops : min= 17, max= 78, avg=39.66, stdev=11.73, samples=61 write: IOPS=41, BW=167KiB/s (171kB/s)(5192KiB/31130msec); 0 zone resets slat (usec): min=38, max=28348, avg=360.11, stdev=1357.24 clat (msec): min=37, max=410, avg=189.97, stdev=48.62 lat (msec): min=37, max=410, avg=190.34, stdev=48.63 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 110], 10.00th=[ 124], 20.00th=[ 148], | 30.00th=[ 165], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 215], 80.00th=[ 230], 90.00th=[ 253], 95.00th=[ 268], | 99.00th=[ 305], 99.50th=[ 326], 99.90th=[ 397], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 95, max= 303, per=24.71%, avg=165.84, stdev=42.77, samples=61 iops : min= 23, max= 75, avg=40.97, stdev=10.69, samples=61 lat (msec) : 50=0.20%, 100=3.52%, 250=86.09%, 500=10.20% cpu : usr=0.25%, sys=2.07%, ctx=4563, 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=179714: Tue Jul 14 14:05:45 2026 read: IOPS=40, BW=161KiB/s (164kB/s)(4976KiB/31003msec) slat (usec): min=2486, max=65155, avg=14155.55, stdev=8086.54 clat (msec): min=62, max=377, avg=183.86, stdev=49.01 lat (msec): min=72, max=386, avg=198.02, stdev=50.98 clat percentiles (msec): | 1.00th=[ 81], 5.00th=[ 105], 10.00th=[ 121], 20.00th=[ 144], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 194], | 70.00th=[ 207], 80.00th=[ 224], 90.00th=[ 247], 95.00th=[ 271], | 99.00th=[ 313], 99.50th=[ 334], 99.90th=[ 355], 99.95th=[ 380], | 99.99th=[ 380] bw ( KiB/s): min= 63, max= 288, per=24.78%, avg=159.59, stdev=42.76, samples=61 iops : min= 15, max= 72, avg=39.39, stdev=10.72, samples=61 write: IOPS=42, BW=170KiB/s (174kB/s)(5264KiB/31003msec); 0 zone resets slat (usec): min=36, max=16512, avg=298.33, stdev=859.85 clat (msec): min=30, max=354, avg=187.51, stdev=48.74 lat (msec): min=30, max=354, avg=187.81, stdev=48.80 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 106], 10.00th=[ 123], 20.00th=[ 146], | 30.00th=[ 163], 40.00th=[ 174], 50.00th=[ 186], 60.00th=[ 199], | 70.00th=[ 213], 80.00th=[ 230], 90.00th=[ 253], 95.00th=[ 271], | 99.00th=[ 305], 99.50th=[ 317], 99.90th=[ 326], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 94, max= 374, per=25.19%, avg=169.02, stdev=49.48, samples=61 iops : min= 23, max= 93, avg=41.79, stdev=12.40, samples=61 lat (msec) : 50=0.04%, 100=3.55%, 250=86.29%, 500=10.12% cpu : usr=0.28%, sys=2.04%, ctx=4377, 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=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=179715: Tue Jul 14 14:05:45 2026 read: IOPS=40, BW=161KiB/s (165kB/s)(4984KiB/30915msec) slat (usec): min=61, max=70617, avg=13992.47, stdev=7921.68 clat (msec): min=36, max=337, avg=181.03, stdev=50.23 lat (msec): min=36, max=346, avg=195.03, stdev=52.14 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 100], 10.00th=[ 115], 20.00th=[ 140], | 30.00th=[ 153], 40.00th=[ 167], 50.00th=[ 180], 60.00th=[ 192], | 70.00th=[ 205], 80.00th=[ 222], 90.00th=[ 249], 95.00th=[ 268], | 99.00th=[ 309], 99.50th=[ 321], 99.90th=[ 330], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 63, max= 328, per=25.03%, avg=161.17, stdev=52.78, samples=60 iops : min= 15, max= 82, avg=39.80, stdev=13.28, samples=60 write: IOPS=42, BW=170KiB/s (174kB/s)(5256KiB/30915msec); 0 zone resets slat (usec): min=48, max=17850, avg=281.18, stdev=831.72 clat (msec): min=67, max=343, avg=190.58, stdev=49.43 lat (msec): min=68, max=343, avg=190.86, stdev=49.43 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 109], 10.00th=[ 125], 20.00th=[ 148], | 30.00th=[ 165], 40.00th=[ 178], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 215], 80.00th=[ 234], 90.00th=[ 259], 95.00th=[ 279], | 99.00th=[ 300], 99.50th=[ 313], 99.90th=[ 342], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 86, max= 319, per=25.20%, avg=169.08, stdev=45.43, samples=60 iops : min= 21, max= 79, avg=41.78, stdev=11.32, samples=60 lat (msec) : 50=0.08%, 100=3.91%, 250=85.12%, 500=10.90% cpu : usr=0.27%, sys=2.06%, ctx=4316, 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=179716: Tue Jul 14 14:05:45 2026 read: IOPS=40, BW=163KiB/s (167kB/s)(5060KiB/31067msec) slat (usec): min=2376, max=63330, avg=13801.43, stdev=7635.32 clat (msec): min=66, max=328, avg=181.14, stdev=47.56 lat (msec): min=78, max=343, avg=194.95, stdev=49.48 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 103], 10.00th=[ 118], 20.00th=[ 138], | 30.00th=[ 157], 40.00th=[ 169], 50.00th=[ 182], 60.00th=[ 194], | 70.00th=[ 207], 80.00th=[ 220], 90.00th=[ 243], 95.00th=[ 262], | 99.00th=[ 300], 99.50th=[ 313], 99.90th=[ 326], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 71, max= 296, per=25.24%, avg=162.57, stdev=46.28, samples=61 iops : min= 17, max= 74, avg=40.16, stdev=11.57, samples=61 write: IOPS=41, BW=167KiB/s (171kB/s)(5180KiB/31067msec); 0 zone resets slat (usec): min=41, max=20800, avg=279.25, stdev=854.06 clat (msec): min=81, max=350, avg=190.57, stdev=48.73 lat (msec): min=81, max=355, avg=190.87, stdev=48.75 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 110], 10.00th=[ 123], 20.00th=[ 148], | 30.00th=[ 167], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 218], 80.00th=[ 234], 90.00th=[ 257], 95.00th=[ 275], | 99.00th=[ 300], 99.50th=[ 313], 99.90th=[ 334], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 63, max= 296, per=24.80%, avg=166.39, stdev=44.03, samples=61 iops : min= 15, max= 74, avg=41.11, stdev=11.04, samples=61 lat (msec) : 100=3.40%, 250=86.80%, 500=9.80% cpu : usr=0.25%, sys=2.06%, ctx=4446, 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=645KiB/s (660kB/s), 161KiB/s-163KiB/s (164kB/s-167kB/s), io=19.6MiB (20.5MB), run=30915-31130msec WRITE: bw=671KiB/s (687kB/s), 167KiB/s-170KiB/s (171kB/s-174kB/s), io=20.4MiB (21.4MB), run=30915-31130msec 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=179725: Tue Jul 14 14:05:57 2026 read: IOPS=1, BW=55.6MiB/s (58.3MB/s)(40.0MiB/719msec) slat (nsec): min=74659k, max=74659k, avg=74659254.00, stdev= 0.00 clat (nsec): min=608220k, max=608220k, avg=608220123.00, stdev= 0.00 lat (nsec): min=682885k, max=682885k, avg=682884979.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 609], 5.00th=[ 609], 10.00th=[ 609], 20.00th=[ 609], | 30.00th=[ 609], 40.00th=[ 609], 50.00th=[ 609], 60.00th=[ 609], | 70.00th=[ 609], 80.00th=[ 609], 90.00th=[ 609], 95.00th=[ 609], | 99.00th=[ 609], 99.50th=[ 609], 99.90th=[ 609], 99.95th=[ 609], | 99.99th=[ 609] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=1.25%, 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=55.6MiB/s (58.3MB/s), 55.6MiB/s-55.6MiB/s (58.3MB/s-58.3MB/s), io=40.0MiB (41.9MB), run=719-719msec 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