== sanity test 398c: run fio to test AIO ================= 10:32:16 (1761316336) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.578369 s, 72.5 MB/s osc.lustre-OST0000-osc-ffff8bb7924a5000.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=149120: Fri Oct 24 10:32:53 2025 write: IOPS=96, BW=387KiB/s (396kB/s)(10.0MiB/26487msec); 0 zone resets slat (usec): min=25, max=11053, avg=222.57, stdev=594.74 clat (msec): min=11, max=289, avg=164.96, stdev=38.37 lat (msec): min=11, max=289, avg=165.18, stdev=38.39 clat percentiles (msec): | 1.00th=[ 83], 5.00th=[ 111], 10.00th=[ 120], 20.00th=[ 136], | 30.00th=[ 146], 40.00th=[ 155], 50.00th=[ 163], 60.00th=[ 171], | 70.00th=[ 182], 80.00th=[ 192], 90.00th=[ 213], 95.00th=[ 239], | 99.00th=[ 279], 99.50th=[ 279], 99.90th=[ 284], 99.95th=[ 288], | 99.99th=[ 292] bw ( KiB/s): min= 256, max= 509, per=25.01%, avg=386.69, stdev=70.39, samples=52 iops : min= 64, max= 127, avg=96.33, stdev=17.59, samples=52 lat (msec) : 20=0.04%, 50=0.20%, 100=2.46%, 250=94.34%, 500=2.97% cpu : usr=0.17%, sys=1.31%, ctx=1610, 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=149121: Fri Oct 24 10:32:53 2025 write: IOPS=96, BW=387KiB/s (396kB/s)(10.0MiB/26473msec); 0 zone resets slat (usec): min=25, max=19844, avg=156.58, stdev=599.52 clat (msec): min=32, max=294, avg=165.02, stdev=38.40 lat (msec): min=32, max=294, avg=165.18, stdev=38.39 clat percentiles (msec): | 1.00th=[ 73], 5.00th=[ 108], 10.00th=[ 117], 20.00th=[ 136], | 30.00th=[ 146], 40.00th=[ 155], 50.00th=[ 163], 60.00th=[ 171], | 70.00th=[ 180], 80.00th=[ 192], 90.00th=[ 218], 95.00th=[ 239], | 99.00th=[ 271], 99.50th=[ 275], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 253, max= 575, per=24.95%, avg=385.65, stdev=77.47, samples=52 iops : min= 63, max= 143, avg=96.06, stdev=19.36, samples=52 lat (msec) : 50=0.08%, 100=2.50%, 250=94.77%, 500=2.66% cpu : usr=0.17%, sys=0.98%, ctx=1047, 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=149122: Fri Oct 24 10:32:53 2025 write: IOPS=97, BW=389KiB/s (398kB/s)(10.0MiB/26354msec); 0 zone resets slat (usec): min=24, max=7807, avg=162.18, stdev=508.16 clat (msec): min=57, max=289, avg=164.38, stdev=37.85 lat (msec): min=58, max=289, avg=164.54, stdev=37.84 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 108], 10.00th=[ 118], 20.00th=[ 136], | 30.00th=[ 146], 40.00th=[ 153], 50.00th=[ 161], 60.00th=[ 169], | 70.00th=[ 180], 80.00th=[ 192], 90.00th=[ 218], 95.00th=[ 241], | 99.00th=[ 257], 99.50th=[ 266], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 292] bw ( KiB/s): min= 248, max= 573, per=25.07%, avg=387.54, stdev=83.50, samples=52 iops : min= 62, max= 143, avg=96.56, stdev=20.86, samples=52 lat (msec) : 100=3.09%, 250=94.96%, 500=1.95% cpu : usr=0.20%, sys=0.90%, ctx=855, 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=149123: Fri Oct 24 10:32:53 2025 write: IOPS=96, BW=387KiB/s (396kB/s)(10.0MiB/26486msec); 0 zone resets slat (usec): min=25, max=11707, avg=192.01, stdev=610.38 clat (msec): min=16, max=290, avg=164.91, stdev=38.58 lat (msec): min=16, max=290, avg=165.10, stdev=38.59 clat percentiles (msec): | 1.00th=[ 80], 5.00th=[ 101], 10.00th=[ 120], 20.00th=[ 136], | 30.00th=[ 146], 40.00th=[ 155], 50.00th=[ 163], 60.00th=[ 171], | 70.00th=[ 182], 80.00th=[ 194], 90.00th=[ 215], 95.00th=[ 236], | 99.00th=[ 275], 99.50th=[ 292], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 255, max= 511, per=24.93%, avg=385.37, stdev=66.80, samples=52 iops : min= 63, max= 127, avg=96.00, stdev=16.72, samples=52 lat (msec) : 20=0.08%, 50=0.04%, 100=4.14%, 250=92.97%, 500=2.77% cpu : usr=0.19%, sys=1.11%, ctx=1317, 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=1546KiB/s (1584kB/s), 387KiB/s-389KiB/s (396kB/s-398kB/s), io=40.0MiB (41.9MB), run=26354-26487msec 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=149138: Fri Oct 24 10:33:30 2025 read: IOPS=45, BW=182KiB/s (187kB/s)(5048KiB/27709msec) slat (usec): min=2895, max=44150, avg=10872.78, stdev=4990.28 clat (msec): min=12, max=305, avg=163.41, stdev=35.79 lat (msec): min=27, max=340, avg=174.29, stdev=36.60 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 110], 10.00th=[ 121], 20.00th=[ 133], | 30.00th=[ 144], 40.00th=[ 153], 50.00th=[ 161], 60.00th=[ 171], | 70.00th=[ 180], 80.00th=[ 192], 90.00th=[ 211], 95.00th=[ 224], | 99.00th=[ 255], 99.50th=[ 279], 99.90th=[ 296], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 110, max= 280, per=25.03%, avg=180.98, stdev=34.79, samples=55 iops : min= 27, max= 70, avg=44.76, stdev= 8.72, samples=55 write: IOPS=46, BW=187KiB/s (192kB/s)(5192KiB/27709msec); 0 zone resets slat (usec): min=26, max=15670, avg=251.54, stdev=840.03 clat (msec): min=51, max=288, avg=170.53, stdev=32.90 lat (msec): min=51, max=289, avg=170.78, stdev=32.90 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 121], 10.00th=[ 129], 20.00th=[ 144], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 169], 60.00th=[ 176], | 70.00th=[ 186], 80.00th=[ 199], 90.00th=[ 211], 95.00th=[ 226], | 99.00th=[ 262], 99.50th=[ 275], 99.90th=[ 284], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 119, max= 254, per=24.74%, avg=186.29, stdev=32.79, samples=55 iops : min= 29, max= 63, avg=46.09, stdev= 8.26, samples=55 lat (msec) : 20=0.04%, 50=0.08%, 100=1.09%, 250=97.27%, 500=1.52% cpu : usr=0.28%, sys=1.96%, ctx=2969, 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=149139: Fri Oct 24 10:33:30 2025 read: IOPS=44, BW=179KiB/s (184kB/s)(4976KiB/27730msec) slat (usec): min=2305, max=48133, avg=11066.55, stdev=5286.08 clat (msec): min=36, max=309, avg=163.80, stdev=35.60 lat (msec): min=51, max=328, avg=174.87, stdev=36.61 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 110], 10.00th=[ 120], 20.00th=[ 136], | 30.00th=[ 144], 40.00th=[ 153], 50.00th=[ 161], 60.00th=[ 171], | 70.00th=[ 182], 80.00th=[ 194], 90.00th=[ 211], 95.00th=[ 226], | 99.00th=[ 253], 99.50th=[ 271], 99.90th=[ 288], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 120, max= 280, per=24.62%, avg=178.02, stdev=38.71, samples=55 iops : min= 30, max= 70, avg=44.02, stdev= 9.72, samples=55 write: IOPS=47, BW=190KiB/s (194kB/s)(5264KiB/27730msec); 0 zone resets slat (usec): min=25, max=8158, avg=242.53, stdev=638.06 clat (msec): min=30, max=330, avg=170.55, stdev=36.75 lat (msec): min=30, max=330, avg=170.79, stdev=36.74 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 118], 10.00th=[ 127], 20.00th=[ 140], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 169], 60.00th=[ 178], | 70.00th=[ 188], 80.00th=[ 201], 90.00th=[ 215], 95.00th=[ 232], | 99.00th=[ 275], 99.50th=[ 305], 99.90th=[ 317], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 119, max= 256, per=25.12%, avg=189.13, stdev=33.21, samples=55 iops : min= 29, max= 64, avg=46.80, stdev= 8.36, samples=55 lat (msec) : 50=0.16%, 100=1.60%, 250=96.64%, 500=1.60% cpu : usr=0.25%, sys=2.06%, ctx=2843, 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=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=149140: Fri Oct 24 10:33:30 2025 read: IOPS=45, BW=181KiB/s (185kB/s)(4984KiB/27604msec) slat (usec): min=27, max=41811, avg=10857.84, stdev=5075.73 clat (msec): min=29, max=352, avg=163.82, stdev=36.68 lat (msec): min=33, max=367, avg=174.69, stdev=37.74 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 108], 10.00th=[ 120], 20.00th=[ 134], | 30.00th=[ 144], 40.00th=[ 153], 50.00th=[ 161], 60.00th=[ 171], | 70.00th=[ 182], 80.00th=[ 194], 90.00th=[ 213], 95.00th=[ 228], | 99.00th=[ 251], 99.50th=[ 275], 99.90th=[ 309], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 99, max= 272, per=25.00%, avg=180.76, stdev=39.39, samples=54 iops : min= 24, max= 68, avg=44.70, stdev= 9.89, samples=54 write: IOPS=47, BW=190KiB/s (195kB/s)(5256KiB/27604msec); 0 zone resets slat (usec): min=28, max=11932, avg=209.11, stdev=632.88 clat (msec): min=55, max=352, avg=169.89, stdev=36.75 lat (msec): min=55, max=352, avg=170.10, stdev=36.70 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 116], 10.00th=[ 126], 20.00th=[ 140], | 30.00th=[ 150], 40.00th=[ 159], 50.00th=[ 167], 60.00th=[ 176], | 70.00th=[ 186], 80.00th=[ 199], 90.00th=[ 218], 95.00th=[ 232], | 99.00th=[ 268], 99.50th=[ 296], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 119, max= 279, per=25.22%, avg=189.89, stdev=39.66, samples=54 iops : min= 29, max= 69, avg=46.98, stdev= 9.99, samples=54 lat (msec) : 50=0.08%, 100=1.95%, 250=96.25%, 500=1.72% cpu : usr=0.25%, sys=2.04%, ctx=2951, 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=149141: Fri Oct 24 10:33:30 2025 read: IOPS=45, BW=183KiB/s (187kB/s)(5060KiB/27655msec) slat (usec): min=1769, max=44399, avg=11007.89, stdev=5173.14 clat (msec): min=55, max=303, avg=163.55, stdev=36.16 lat (msec): min=61, max=323, avg=174.57, stdev=37.23 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 110], 10.00th=[ 121], 20.00th=[ 133], | 30.00th=[ 142], 40.00th=[ 153], 50.00th=[ 161], 60.00th=[ 169], | 70.00th=[ 180], 80.00th=[ 194], 90.00th=[ 213], 95.00th=[ 228], | 99.00th=[ 262], 99.50th=[ 275], 99.90th=[ 296], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 112, max= 310, per=25.25%, avg=182.59, stdev=38.23, samples=54 iops : min= 28, max= 77, avg=45.17, stdev= 9.60, samples=54 write: IOPS=46, BW=187KiB/s (192kB/s)(5180KiB/27655msec); 0 zone resets slat (usec): min=25, max=11759, avg=232.03, stdev=675.92 clat (msec): min=31, max=312, avg=169.91, stdev=34.22 lat (msec): min=31, max=312, avg=170.14, stdev=34.21 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 121], 10.00th=[ 130], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 167], 60.00th=[ 176], | 70.00th=[ 184], 80.00th=[ 194], 90.00th=[ 215], 95.00th=[ 230], | 99.00th=[ 279], 99.50th=[ 296], 99.90th=[ 305], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 119, max= 253, per=24.79%, avg=186.67, stdev=34.84, samples=54 iops : min= 29, max= 63, avg=46.19, stdev= 8.78, samples=54 lat (msec) : 50=0.04%, 100=1.21%, 250=96.95%, 500=1.80% cpu : usr=0.38%, sys=1.98%, ctx=2887, 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=724KiB/s (741kB/s), 179KiB/s-183KiB/s (184kB/s-187kB/s), io=19.6MiB (20.5MB), run=27604-27730msec WRITE: bw=753KiB/s (771kB/s), 187KiB/s-190KiB/s (192kB/s-195kB/s), io=20.4MiB (21.4MB), run=27604-27730msec 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=149149: Fri Oct 24 10:33:39 2025 read: IOPS=1, BW=64.3MiB/s (67.4MB/s)(40.0MiB/622msec) slat (nsec): min=44972k, max=44972k, avg=44972311.00, stdev= 0.00 clat (nsec): min=558893k, max=558893k, avg=558893243.00, stdev= 0.00 lat (nsec): min=603881k, max=603881k, avg=603880682.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 558], 5.00th=[ 558], 10.00th=[ 558], 20.00th=[ 558], | 30.00th=[ 558], 40.00th=[ 558], 50.00th=[ 558], 60.00th=[ 558], | 70.00th=[ 558], 80.00th=[ 558], 90.00th=[ 558], 95.00th=[ 558], | 99.00th=[ 558], 99.50th=[ 558], 99.90th=[ 558], 99.95th=[ 558], | 99.99th=[ 558] lat (msec) : 750=100.00% cpu : usr=0.00%, sys=1.29%, ctx=7, majf=0, minf=8 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=64.3MiB/s (67.4MB/s), 64.3MiB/s-64.3MiB/s (67.4MB/s-67.4MB/s), io=40.0MiB (41.9MB), run=622-622msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck