== sanity test 398c: run fio to test AIO ================= 06:24:05 (1781259845) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.566182 s, 74.1 MB/s osc.lustre-OST0000-osc-ffffa018070f6000.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=148527: Fri Jun 12 06:24:47 2026 write: IOPS=82, BW=328KiB/s (336kB/s)(10.0MiB/31191msec); 0 zone resets slat (usec): min=20, max=25421, avg=286.50, stdev=1365.82 clat (msec): min=14, max=372, avg=194.54, stdev=55.64 lat (msec): min=15, max=372, avg=194.83, stdev=55.62 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 110], 10.00th=[ 122], 20.00th=[ 146], | 30.00th=[ 163], 40.00th=[ 178], 50.00th=[ 192], 60.00th=[ 205], | 70.00th=[ 222], 80.00th=[ 243], 90.00th=[ 268], 95.00th=[ 292], | 99.00th=[ 338], 99.50th=[ 359], 99.90th=[ 368], 99.95th=[ 368], | 99.99th=[ 372] bw ( KiB/s): min= 159, max= 600, per=24.75%, avg=324.77, stdev=80.95, samples=61 iops : min= 39, max= 150, avg=80.79, stdev=20.32, samples=61 lat (msec) : 20=0.04%, 50=0.20%, 100=1.99%, 250=82.73%, 500=15.04% cpu : usr=0.23%, sys=1.14%, ctx=1369, 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=148528: Fri Jun 12 06:24:47 2026 write: IOPS=82, BW=329KiB/s (337kB/s)(10.0MiB/31141msec); 0 zone resets slat (usec): min=20, max=24478, avg=199.14, stdev=1002.30 clat (msec): min=45, max=365, avg=194.33, stdev=55.65 lat (msec): min=45, max=365, avg=194.53, stdev=55.63 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 111], 10.00th=[ 125], 20.00th=[ 146], | 30.00th=[ 165], 40.00th=[ 182], 50.00th=[ 192], 60.00th=[ 205], | 70.00th=[ 222], 80.00th=[ 239], 90.00th=[ 266], 95.00th=[ 292], | 99.00th=[ 351], 99.50th=[ 355], 99.90th=[ 368], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 176, max= 640, per=24.88%, avg=326.46, stdev=81.21, samples=61 iops : min= 44, max= 160, avg=81.18, stdev=20.37, samples=61 lat (msec) : 50=0.04%, 100=2.50%, 250=83.44%, 500=14.02% cpu : usr=0.15%, sys=0.79%, ctx=924, 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=148529: Fri Jun 12 06:24:47 2026 write: IOPS=82, BW=329KiB/s (337kB/s)(10.0MiB/31146msec); 0 zone resets slat (usec): min=20, max=17148, avg=197.94, stdev=921.41 clat (msec): min=9, max=375, avg=194.20, stdev=55.84 lat (msec): min=10, max=376, avg=194.40, stdev=55.81 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 110], 10.00th=[ 122], 20.00th=[ 142], | 30.00th=[ 165], 40.00th=[ 180], 50.00th=[ 194], 60.00th=[ 207], | 70.00th=[ 222], 80.00th=[ 236], 90.00th=[ 266], 95.00th=[ 292], | 99.00th=[ 347], 99.50th=[ 355], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 376] bw ( KiB/s): min= 159, max= 600, per=24.81%, avg=325.46, stdev=82.40, samples=61 iops : min= 39, max= 150, avg=80.93, stdev=20.65, samples=61 lat (msec) : 10=0.04%, 50=0.16%, 100=2.19%, 250=82.73%, 500=14.88% cpu : usr=0.19%, sys=0.89%, ctx=982, 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=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=148530: Fri Jun 12 06:24:47 2026 write: IOPS=82, BW=328KiB/s (336kB/s)(10.0MiB/31211msec); 0 zone resets slat (usec): min=19, max=54986, avg=267.46, stdev=1765.41 clat (msec): min=24, max=374, avg=194.54, stdev=55.40 lat (msec): min=25, max=374, avg=194.81, stdev=55.39 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 111], 10.00th=[ 124], 20.00th=[ 146], | 30.00th=[ 165], 40.00th=[ 182], 50.00th=[ 194], 60.00th=[ 207], | 70.00th=[ 220], 80.00th=[ 239], 90.00th=[ 264], 95.00th=[ 296], | 99.00th=[ 338], 99.50th=[ 351], 99.90th=[ 376], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 166, max= 608, per=24.59%, avg=322.57, stdev=77.99, samples=61 iops : min= 41, max= 152, avg=80.23, stdev=19.53, samples=61 lat (msec) : 50=0.39%, 100=1.88%, 250=82.66%, 500=15.08% cpu : usr=0.19%, sys=0.91%, ctx=1009, 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=1312KiB/s (1344kB/s), 328KiB/s-329KiB/s (336kB/s-337kB/s), io=40.0MiB (41.9MB), run=31141-31211msec 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=148545: Fri Jun 12 06:25:20 2026 read: IOPS=55, BW=223KiB/s (229kB/s)(5048KiB/22619msec) slat (usec): min=1807, max=45293, avg=10533.53, stdev=6523.18 clat (msec): min=57, max=262, avg=133.81, stdev=36.80 lat (msec): min=66, max=270, avg=144.35, stdev=38.22 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 83], 10.00th=[ 91], 20.00th=[ 105], | 30.00th=[ 113], 40.00th=[ 120], 50.00th=[ 128], 60.00th=[ 138], | 70.00th=[ 148], 80.00th=[ 161], 90.00th=[ 186], 95.00th=[ 203], | 99.00th=[ 239], 99.50th=[ 243], 99.90th=[ 259], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 144, max= 360, per=25.20%, avg=222.73, stdev=48.11, samples=44 iops : min= 36, max= 90, avg=55.18, stdev=12.09, samples=44 write: IOPS=57, BW=230KiB/s (235kB/s)(5192KiB/22619msec); 0 zone resets slat (usec): min=23, max=18822, avg=267.89, stdev=1086.37 clat (msec): min=40, max=260, avg=136.89, stdev=36.04 lat (msec): min=40, max=260, avg=137.16, stdev=36.03 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 86], 10.00th=[ 96], 20.00th=[ 107], | 30.00th=[ 115], 40.00th=[ 123], 50.00th=[ 132], 60.00th=[ 142], | 70.00th=[ 153], 80.00th=[ 167], 90.00th=[ 188], 95.00th=[ 205], | 99.00th=[ 234], 99.50th=[ 243], 99.90th=[ 255], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 159, max= 324, per=24.96%, avg=229.66, stdev=45.89, samples=44 iops : min= 39, max= 81, avg=56.93, stdev=11.58, samples=44 lat (msec) : 50=0.04%, 100=14.80%, 250=84.92%, 500=0.23% cpu : usr=0.32%, sys=2.16%, ctx=2956, 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=148546: Fri Jun 12 06:25:20 2026 read: IOPS=55, BW=221KiB/s (226kB/s)(4976KiB/22515msec) slat (usec): min=2062, max=50200, avg=10375.68, stdev=6450.25 clat (msec): min=54, max=269, avg=133.60, stdev=35.66 lat (msec): min=61, max=275, avg=143.98, stdev=36.83 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 83], 10.00th=[ 91], 20.00th=[ 104], | 30.00th=[ 113], 40.00th=[ 122], 50.00th=[ 130], 60.00th=[ 138], | 70.00th=[ 148], 80.00th=[ 163], 90.00th=[ 182], 95.00th=[ 201], | 99.00th=[ 236], 99.50th=[ 251], 99.90th=[ 262], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 136, max= 295, per=24.95%, avg=220.59, stdev=42.60, samples=44 iops : min= 34, max= 73, avg=54.66, stdev=10.71, samples=44 write: IOPS=58, BW=234KiB/s (239kB/s)(5264KiB/22515msec); 0 zone resets slat (usec): min=24, max=19481, avg=245.43, stdev=1040.70 clat (msec): min=35, max=334, avg=136.26, stdev=36.83 lat (msec): min=35, max=334, avg=136.51, stdev=36.80 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 88], 10.00th=[ 96], 20.00th=[ 106], | 30.00th=[ 114], 40.00th=[ 122], 50.00th=[ 130], 60.00th=[ 140], | 70.00th=[ 153], 80.00th=[ 165], 90.00th=[ 186], 95.00th=[ 203], | 99.00th=[ 236], 99.50th=[ 257], 99.90th=[ 321], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 143, max= 400, per=25.51%, avg=234.66, stdev=55.26, samples=44 iops : min= 35, max= 100, avg=58.18, stdev=13.95, samples=44 lat (msec) : 50=0.04%, 100=15.20%, 250=84.14%, 500=0.62% cpu : usr=0.29%, sys=2.12%, ctx=2578, 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=148547: Fri Jun 12 06:25:20 2026 read: IOPS=55, BW=223KiB/s (228kB/s)(4984KiB/22361msec) slat (usec): min=31, max=61399, avg=10079.34, stdev=6406.62 clat (msec): min=21, max=281, avg=131.62, stdev=35.33 lat (msec): min=21, max=286, avg=141.71, stdev=36.64 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 83], 10.00th=[ 91], 20.00th=[ 103], | 30.00th=[ 112], 40.00th=[ 121], 50.00th=[ 129], 60.00th=[ 136], | 70.00th=[ 146], 80.00th=[ 157], 90.00th=[ 178], 95.00th=[ 197], | 99.00th=[ 236], 99.50th=[ 249], 99.90th=[ 271], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 143, max= 344, per=25.28%, avg=223.50, stdev=49.68, samples=44 iops : min= 35, max= 86, avg=55.39, stdev=12.46, samples=44 write: IOPS=58, BW=235KiB/s (241kB/s)(5256KiB/22361msec); 0 zone resets slat (usec): min=25, max=10823, avg=215.99, stdev=691.98 clat (msec): min=58, max=296, avg=137.20, stdev=37.24 lat (msec): min=59, max=296, avg=137.42, stdev=37.27 clat percentiles (msec): | 1.00th=[ 74], 5.00th=[ 89], 10.00th=[ 96], 20.00th=[ 107], | 30.00th=[ 114], 40.00th=[ 123], 50.00th=[ 131], 60.00th=[ 140], | 70.00th=[ 153], 80.00th=[ 165], 90.00th=[ 190], 95.00th=[ 209], | 99.00th=[ 243], 99.50th=[ 257], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 135, max= 349, per=25.48%, avg=234.39, stdev=52.58, samples=44 iops : min= 33, max= 87, avg=58.11, stdev=13.22, samples=44 lat (msec) : 50=0.27%, 100=15.27%, 250=83.79%, 500=0.66% cpu : usr=0.34%, sys=2.01%, ctx=2762, 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=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=148548: Fri Jun 12 06:25:20 2026 read: IOPS=55, BW=223KiB/s (228kB/s)(5060KiB/22690msec) slat (usec): min=39, max=58852, avg=10491.06, stdev=6791.01 clat (msec): min=35, max=284, avg=133.18, stdev=36.50 lat (msec): min=35, max=288, avg=143.68, stdev=37.78 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 82], 10.00th=[ 90], 20.00th=[ 103], | 30.00th=[ 112], 40.00th=[ 122], 50.00th=[ 131], 60.00th=[ 140], | 70.00th=[ 150], 80.00th=[ 163], 90.00th=[ 182], 95.00th=[ 197], | 99.00th=[ 241], 99.50th=[ 251], 99.90th=[ 268], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 135, max= 352, per=25.22%, avg=222.98, stdev=49.80, samples=45 iops : min= 33, max= 88, avg=55.24, stdev=12.54, samples=45 write: IOPS=57, BW=228KiB/s (234kB/s)(5180KiB/22690msec); 0 zone resets slat (usec): min=21, max=20554, avg=225.31, stdev=884.90 clat (msec): min=35, max=277, avg=138.60, stdev=36.60 lat (msec): min=35, max=277, avg=138.82, stdev=36.61 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 88], 10.00th=[ 97], 20.00th=[ 108], | 30.00th=[ 117], 40.00th=[ 126], 50.00th=[ 134], 60.00th=[ 144], | 70.00th=[ 155], 80.00th=[ 169], 90.00th=[ 190], 95.00th=[ 207], | 99.00th=[ 236], 99.50th=[ 253], 99.90th=[ 271], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 111, max= 325, per=24.79%, avg=228.04, stdev=45.81, samples=45 iops : min= 27, max= 81, avg=56.53, stdev=11.51, samples=45 lat (msec) : 50=0.39%, 100=14.96%, 250=84.14%, 500=0.51% cpu : usr=0.30%, sys=2.22%, ctx=2714, 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=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=884KiB/s (906kB/s), 221KiB/s-223KiB/s (226kB/s-229kB/s), io=19.6MiB (20.5MB), run=22361-22690msec WRITE: bw=921KiB/s (943kB/s), 228KiB/s-235KiB/s (234kB/s-241kB/s), io=20.4MiB (21.4MB), run=22361-22690msec 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=148556: Fri Jun 12 06:25:30 2026 read: IOPS=2, BW=107MiB/s (112MB/s)(40.0MiB/375msec) slat (nsec): min=38802k, max=38802k, avg=38802056.00, stdev= 0.00 clat (nsec): min=313641k, max=313641k, avg=313640561.00, stdev= 0.00 lat (nsec): min=352447k, max=352447k, avg=352446804.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 313], 5.00th=[ 313], 10.00th=[ 313], 20.00th=[ 313], | 30.00th=[ 313], 40.00th=[ 313], 50.00th=[ 313], 60.00th=[ 313], | 70.00th=[ 313], 80.00th=[ 313], 90.00th=[ 313], 95.00th=[ 313], | 99.00th=[ 313], 99.50th=[ 313], 99.90th=[ 313], 99.95th=[ 313], | 99.99th=[ 313] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=3.74%, ctx=4, 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=107MiB/s (112MB/s), 107MiB/s-107MiB/s (112MB/s-112MB/s), io=40.0MiB (41.9MB), run=375-375msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck