== sanity test 398c: run fio to test AIO ================= 16:50:37 (1789073437) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.488815 s, 85.8 MB/s osc.lustre-OST0000-osc-ffff9e5492d1e800.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=180023: Thu Sep 10 16:51:23 2026 write: IOPS=67, BW=271KiB/s (277kB/s)(10.0MiB/37847msec); 0 zone resets slat (usec): min=29, max=20192, avg=240.26, stdev=861.19 clat (msec): min=35, max=464, avg=235.15, stdev=62.68 lat (msec): min=35, max=464, avg=235.39, stdev=62.71 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 142], 10.00th=[ 159], 20.00th=[ 182], | 30.00th=[ 199], 40.00th=[ 213], 50.00th=[ 234], 60.00th=[ 251], | 70.00th=[ 266], 80.00th=[ 288], 90.00th=[ 313], 95.00th=[ 342], | 99.00th=[ 409], 99.50th=[ 426], 99.90th=[ 464], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 150, max= 416, per=24.86%, avg=268.96, stdev=64.83, samples=75 iops : min= 37, max= 104, avg=66.80, stdev=16.29, samples=75 lat (msec) : 50=0.12%, 100=0.55%, 250=59.02%, 500=40.31% cpu : usr=0.14%, sys=0.80%, ctx=2335, 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=180024: Thu Sep 10 16:51:23 2026 write: IOPS=67, BW=271KiB/s (277kB/s)(10.0MiB/37828msec); 0 zone resets slat (usec): min=28, max=18194, avg=231.10, stdev=990.23 clat (msec): min=23, max=455, avg=235.07, stdev=61.35 lat (msec): min=23, max=455, avg=235.31, stdev=61.29 clat percentiles (msec): | 1.00th=[ 116], 5.00th=[ 142], 10.00th=[ 161], 20.00th=[ 184], | 30.00th=[ 199], 40.00th=[ 220], 50.00th=[ 234], 60.00th=[ 247], | 70.00th=[ 264], 80.00th=[ 284], 90.00th=[ 309], 95.00th=[ 338], | 99.00th=[ 422], 99.50th=[ 430], 99.90th=[ 443], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 127, max= 512, per=24.88%, avg=269.19, stdev=68.25, samples=74 iops : min= 31, max= 128, avg=66.86, stdev=17.17, samples=74 lat (msec) : 50=0.08%, 100=0.12%, 250=62.97%, 500=36.84% cpu : usr=0.14%, sys=0.64%, ctx=1765, 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=180025: Thu Sep 10 16:51:23 2026 write: IOPS=68, BW=272KiB/s (279kB/s)(10.0MiB/37625msec); 0 zone resets slat (usec): min=29, max=20784, avg=238.15, stdev=1137.63 clat (msec): min=30, max=455, avg=234.65, stdev=63.28 lat (msec): min=31, max=455, avg=234.89, stdev=63.23 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 140], 10.00th=[ 161], 20.00th=[ 178], | 30.00th=[ 199], 40.00th=[ 213], 50.00th=[ 234], 60.00th=[ 249], | 70.00th=[ 266], 80.00th=[ 288], 90.00th=[ 309], 95.00th=[ 342], | 99.00th=[ 418], 99.50th=[ 430], 99.90th=[ 456], 99.95th=[ 456], | 99.99th=[ 456] bw ( KiB/s): min= 127, max= 488, per=25.08%, avg=271.41, stdev=67.67, samples=74 iops : min= 31, max= 122, avg=67.42, stdev=16.99, samples=74 lat (msec) : 50=0.12%, 100=0.47%, 250=59.92%, 500=39.49% cpu : usr=0.20%, sys=0.73%, ctx=1810, 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=180026: Thu Sep 10 16:51:23 2026 write: IOPS=67, BW=271KiB/s (278kB/s)(10.0MiB/37786msec); 0 zone resets slat (usec): min=28, max=20480, avg=253.39, stdev=1040.55 clat (msec): min=68, max=488, avg=234.74, stdev=61.78 lat (msec): min=68, max=488, avg=234.99, stdev=61.85 clat percentiles (msec): | 1.00th=[ 124], 5.00th=[ 142], 10.00th=[ 163], 20.00th=[ 180], | 30.00th=[ 197], 40.00th=[ 211], 50.00th=[ 232], 60.00th=[ 249], | 70.00th=[ 266], 80.00th=[ 284], 90.00th=[ 313], 95.00th=[ 338], | 99.00th=[ 414], 99.50th=[ 426], 99.90th=[ 477], 99.95th=[ 489], | 99.99th=[ 489] bw ( KiB/s): min= 166, max= 512, per=24.94%, avg=269.89, stdev=67.83, samples=74 iops : min= 41, max= 128, avg=67.04, stdev=17.03, samples=74 lat (msec) : 100=0.27%, 250=60.31%, 500=39.41% cpu : usr=0.17%, sys=0.78%, ctx=2243, 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=1082KiB/s (1108kB/s), 271KiB/s-272KiB/s (277kB/s-279kB/s), io=40.0MiB (41.9MB), run=37625-37847msec 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=180042: Thu Sep 10 16:52:13 2026 read: IOPS=32, BW=131KiB/s (135kB/s)(5048KiB/38429msec) slat (usec): min=36, max=94844, avg=17316.21, stdev=10323.41 clat (msec): min=17, max=443, avg=227.82, stdev=53.25 lat (msec): min=21, max=472, avg=245.14, stdev=55.52 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 150], 10.00th=[ 165], 20.00th=[ 180], | 30.00th=[ 199], 40.00th=[ 211], 50.00th=[ 224], 60.00th=[ 236], | 70.00th=[ 251], 80.00th=[ 271], 90.00th=[ 300], 95.00th=[ 321], | 99.00th=[ 384], 99.50th=[ 401], 99.90th=[ 426], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 70, max= 214, per=25.07%, avg=130.62, stdev=30.24, samples=76 iops : min= 17, max= 53, avg=32.16, stdev= 7.59, samples=76 write: IOPS=33, BW=135KiB/s (138kB/s)(5192KiB/38429msec); 0 zone resets slat (usec): min=31, max=18154, avg=249.95, stdev=839.38 clat (msec): min=87, max=419, avg=233.26, stdev=51.44 lat (msec): min=87, max=419, avg=233.52, stdev=51.46 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 159], 10.00th=[ 171], 20.00th=[ 188], | 30.00th=[ 203], 40.00th=[ 215], 50.00th=[ 232], 60.00th=[ 245], | 70.00th=[ 259], 80.00th=[ 275], 90.00th=[ 300], 95.00th=[ 321], | 99.00th=[ 376], 99.50th=[ 393], 99.90th=[ 409], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 39, max= 224, per=24.84%, avg=134.62, stdev=31.92, samples=76 iops : min= 9, max= 56, avg=33.16, stdev= 8.00, samples=76 lat (msec) : 20=0.04%, 100=0.08%, 250=66.48%, 500=33.40% cpu : usr=0.27%, sys=1.58%, ctx=4007, 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=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=180043: Thu Sep 10 16:52:13 2026 read: IOPS=32, BW=129KiB/s (132kB/s)(4976KiB/38499msec) slat (usec): min=3644, max=86173, avg=17394.69, stdev=10040.89 clat (msec): min=24, max=431, avg=226.60, stdev=52.18 lat (msec): min=46, max=449, avg=244.01, stdev=54.76 clat percentiles (msec): | 1.00th=[ 134], 5.00th=[ 153], 10.00th=[ 163], 20.00th=[ 182], | 30.00th=[ 194], 40.00th=[ 209], 50.00th=[ 224], 60.00th=[ 236], | 70.00th=[ 251], 80.00th=[ 268], 90.00th=[ 296], 95.00th=[ 317], | 99.00th=[ 368], 99.50th=[ 388], 99.90th=[ 405], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 21, max= 206, per=24.68%, avg=128.57, stdev=35.14, samples=76 iops : min= 5, max= 51, avg=31.64, stdev= 8.77, samples=76 write: IOPS=34, BW=137KiB/s (140kB/s)(5264KiB/38499msec); 0 zone resets slat (usec): min=33, max=14087, avg=282.47, stdev=883.38 clat (msec): min=43, max=431, avg=234.63, stdev=52.57 lat (msec): min=43, max=431, avg=234.92, stdev=52.59 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 157], 10.00th=[ 174], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 230], 60.00th=[ 245], | 70.00th=[ 262], 80.00th=[ 279], 90.00th=[ 305], 95.00th=[ 330], | 99.00th=[ 368], 99.50th=[ 384], 99.90th=[ 422], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 63, max= 214, per=25.21%, avg=136.64, stdev=33.39, samples=76 iops : min= 15, max= 53, avg=33.67, stdev= 8.43, samples=76 lat (msec) : 50=0.12%, 100=0.16%, 250=65.70%, 500=34.02% cpu : usr=0.22%, sys=1.58%, ctx=3699, 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=180044: Thu Sep 10 16:52:13 2026 read: IOPS=32, BW=131KiB/s (134kB/s)(4984KiB/38104msec) slat (usec): min=33, max=83508, avg=17516.53, stdev=10510.03 clat (msec): min=59, max=423, avg=224.44, stdev=52.99 lat (msec): min=59, max=453, avg=241.97, stdev=56.04 clat percentiles (msec): | 1.00th=[ 127], 5.00th=[ 148], 10.00th=[ 163], 20.00th=[ 180], | 30.00th=[ 192], 40.00th=[ 207], 50.00th=[ 220], 60.00th=[ 232], | 70.00th=[ 249], 80.00th=[ 266], 90.00th=[ 296], 95.00th=[ 321], | 99.00th=[ 368], 99.50th=[ 380], 99.90th=[ 405], 99.95th=[ 422], | 99.99th=[ 422] bw ( KiB/s): min= 54, max= 216, per=25.11%, avg=130.83, stdev=30.76, samples=75 iops : min= 13, max= 54, avg=32.20, stdev= 7.71, samples=75 write: IOPS=34, BW=138KiB/s (141kB/s)(5256KiB/38104msec); 0 zone resets slat (usec): min=31, max=36784, avg=327.99, stdev=1433.17 clat (msec): min=50, max=443, avg=233.29, stdev=51.42 lat (msec): min=50, max=443, avg=233.62, stdev=51.39 clat percentiles (msec): | 1.00th=[ 129], 5.00th=[ 159], 10.00th=[ 174], 20.00th=[ 192], | 30.00th=[ 207], 40.00th=[ 220], 50.00th=[ 230], 60.00th=[ 243], | 70.00th=[ 257], 80.00th=[ 275], 90.00th=[ 296], 95.00th=[ 321], | 99.00th=[ 380], 99.50th=[ 397], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 55, max= 214, per=25.33%, avg=137.29, stdev=34.64, samples=75 iops : min= 13, max= 53, avg=33.84, stdev= 8.70, samples=75 lat (msec) : 100=0.62%, 250=67.58%, 500=31.80% cpu : usr=0.23%, sys=1.67%, ctx=4016, 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=180045: Thu Sep 10 16:52:13 2026 read: IOPS=32, BW=131KiB/s (135kB/s)(5060KiB/38504msec) slat (usec): min=3361, max=82545, avg=17816.49, stdev=10208.94 clat (msec): min=33, max=427, avg=226.19, stdev=52.59 lat (msec): min=43, max=441, avg=244.01, stdev=55.31 clat percentiles (msec): | 1.00th=[ 130], 5.00th=[ 148], 10.00th=[ 163], 20.00th=[ 182], | 30.00th=[ 197], 40.00th=[ 209], 50.00th=[ 222], 60.00th=[ 234], | 70.00th=[ 251], 80.00th=[ 268], 90.00th=[ 296], 95.00th=[ 326], | 99.00th=[ 372], 99.50th=[ 384], 99.90th=[ 422], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 28, max= 208, per=25.16%, avg=131.09, stdev=35.02, samples=76 iops : min= 7, max= 52, avg=32.28, stdev= 8.79, samples=76 write: IOPS=33, BW=135KiB/s (138kB/s)(5180KiB/38504msec); 0 zone resets slat (usec): min=30, max=16345, avg=281.55, stdev=878.37 clat (msec): min=73, max=417, avg=233.76, stdev=49.52 lat (msec): min=74, max=417, avg=234.04, stdev=49.56 clat percentiles (msec): | 1.00th=[ 134], 5.00th=[ 159], 10.00th=[ 176], 20.00th=[ 192], | 30.00th=[ 205], 40.00th=[ 218], 50.00th=[ 230], 60.00th=[ 243], | 70.00th=[ 259], 80.00th=[ 275], 90.00th=[ 300], 95.00th=[ 321], | 99.00th=[ 363], 99.50th=[ 372], 99.90th=[ 388], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 50, max= 208, per=24.75%, avg=134.12, stdev=32.70, samples=76 iops : min= 12, max= 52, avg=33.03, stdev= 8.19, samples=76 lat (msec) : 50=0.04%, 100=0.04%, 250=67.30%, 500=32.62% cpu : usr=0.22%, sys=1.59%, ctx=3968, 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=521KiB/s (534kB/s), 129KiB/s-131KiB/s (132kB/s-135kB/s), io=19.6MiB (20.5MB), run=38104-38504msec WRITE: bw=543KiB/s (556kB/s), 135KiB/s-138KiB/s (138kB/s-141kB/s), io=20.4MiB (21.4MB), run=38104-38504msec 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=180055: Thu Sep 10 16:52:26 2026 read: IOPS=1, BW=51.4MiB/s (53.9MB/s)(40.0MiB/778msec) slat (nsec): min=41937k, max=41937k, avg=41936891.00, stdev= 0.00 clat (nsec): min=696418k, max=696418k, avg=696418332.00, stdev= 0.00 lat (nsec): min=738361k, max=738361k, avg=738360928.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 701], 5.00th=[ 701], 10.00th=[ 701], 20.00th=[ 701], | 30.00th=[ 701], 40.00th=[ 701], 50.00th=[ 701], 60.00th=[ 701], | 70.00th=[ 701], 80.00th=[ 701], 90.00th=[ 701], 95.00th=[ 701], | 99.00th=[ 701], 99.50th=[ 701], 99.90th=[ 701], 99.95th=[ 701], | 99.99th=[ 701] lat (msec) : 750=100.00% cpu : usr=0.13%, sys=1.67%, ctx=14, majf=0, minf=9 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=51.4MiB/s (53.9MB/s), 51.4MiB/s-51.4MiB/s (53.9MB/s-53.9MB/s), io=40.0MiB (41.9MB), run=778-778msec 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