== sanity test 398c: run fio to test AIO ================= 20:41:04 (1781224864) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.487228 s, 86.1 MB/s osc.lustre-OST0000-osc-ffff9dafeae47000.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=181105: Thu Jun 11 20:41:47 2026 write: IOPS=76, BW=304KiB/s (312kB/s)(10.0MiB/33647msec); 0 zone resets slat (usec): min=53, max=17611, avg=328.76, stdev=1054.81 clat (msec): min=77, max=432, avg=209.78, stdev=63.10 lat (msec): min=81, max=432, avg=210.11, stdev=63.09 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 123], 10.00th=[ 136], 20.00th=[ 159], | 30.00th=[ 169], 40.00th=[ 186], 50.00th=[ 201], 60.00th=[ 215], | 70.00th=[ 234], 80.00th=[ 266], 90.00th=[ 305], 95.00th=[ 330], | 99.00th=[ 372], 99.50th=[ 414], 99.90th=[ 435], 99.95th=[ 435], | 99.99th=[ 435] bw ( KiB/s): min= 125, max= 518, per=24.82%, avg=301.55, stdev=84.66, samples=66 iops : min= 31, max= 129, avg=74.94, stdev=21.25, samples=66 lat (msec) : 100=0.74%, 250=74.73%, 500=24.53% cpu : usr=0.14%, sys=1.07%, ctx=2775, 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=181106: Thu Jun 11 20:41:47 2026 write: IOPS=76, BW=304KiB/s (311kB/s)(10.0MiB/33684msec); 0 zone resets slat (usec): min=46, max=27934, avg=300.20, stdev=981.53 clat (msec): min=93, max=415, avg=209.97, stdev=61.77 lat (msec): min=94, max=419, avg=210.27, stdev=61.78 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 128], 10.00th=[ 138], 20.00th=[ 153], | 30.00th=[ 171], 40.00th=[ 186], 50.00th=[ 203], 60.00th=[ 218], | 70.00th=[ 239], 80.00th=[ 262], 90.00th=[ 296], 95.00th=[ 330], | 99.00th=[ 376], 99.50th=[ 414], 99.90th=[ 418], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 125, max= 510, per=24.79%, avg=301.26, stdev=86.46, samples=66 iops : min= 31, max= 127, avg=74.88, stdev=21.65, samples=66 lat (msec) : 100=0.08%, 250=75.08%, 500=24.84% cpu : usr=0.12%, sys=0.93%, ctx=2187, 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=181107: Thu Jun 11 20:41:47 2026 write: IOPS=75, BW=304KiB/s (311kB/s)(10.0MiB/33706msec); 0 zone resets slat (usec): min=37, max=14553, avg=298.29, stdev=819.14 clat (msec): min=37, max=420, avg=209.64, stdev=62.67 lat (msec): min=37, max=421, avg=209.94, stdev=62.67 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 123], 10.00th=[ 136], 20.00th=[ 155], | 30.00th=[ 169], 40.00th=[ 186], 50.00th=[ 201], 60.00th=[ 215], | 70.00th=[ 236], 80.00th=[ 266], 90.00th=[ 296], 95.00th=[ 326], | 99.00th=[ 372], 99.50th=[ 397], 99.90th=[ 401], 99.95th=[ 409], | 99.99th=[ 422] bw ( KiB/s): min= 164, max= 502, per=24.79%, avg=301.21, stdev=73.41, samples=66 iops : min= 41, max= 125, avg=74.86, stdev=18.40, samples=66 lat (msec) : 50=0.04%, 100=0.31%, 250=74.88%, 500=24.77% cpu : usr=0.13%, sys=1.09%, ctx=2596, 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=181108: Thu Jun 11 20:41:47 2026 write: IOPS=75, BW=304KiB/s (311kB/s)(10.0MiB/33708msec); 0 zone resets slat (usec): min=51, max=14304, avg=294.73, stdev=862.20 clat (msec): min=33, max=428, avg=209.41, stdev=61.92 lat (msec): min=36, max=428, avg=209.71, stdev=61.90 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 122], 10.00th=[ 136], 20.00th=[ 157], | 30.00th=[ 171], 40.00th=[ 186], 50.00th=[ 203], 60.00th=[ 218], | 70.00th=[ 234], 80.00th=[ 259], 90.00th=[ 296], 95.00th=[ 326], | 99.00th=[ 372], 99.50th=[ 380], 99.90th=[ 430], 99.95th=[ 430], | 99.99th=[ 430] bw ( KiB/s): min= 164, max= 510, per=24.72%, avg=300.30, stdev=77.90, samples=66 iops : min= 41, max= 127, avg=74.65, stdev=19.53, samples=66 lat (msec) : 50=0.08%, 100=0.78%, 250=74.92%, 500=24.22% cpu : usr=0.15%, sys=0.98%, ctx=2820, 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=1215KiB/s (1244kB/s), 304KiB/s-304KiB/s (311kB/s-312kB/s), io=40.0MiB (41.9MB), run=33647-33708msec 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=181123: Thu Jun 11 20:42:28 2026 read: IOPS=38, BW=156KiB/s (160kB/s)(5048KiB/32393msec) slat (usec): min=2286, max=73712, avg=14295.59, stdev=8809.47 clat (msec): min=79, max=449, avg=193.24, stdev=51.52 lat (msec): min=89, max=467, avg=207.54, stdev=53.74 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 117], 10.00th=[ 134], 20.00th=[ 150], | 30.00th=[ 163], 40.00th=[ 176], 50.00th=[ 188], 60.00th=[ 201], | 70.00th=[ 215], 80.00th=[ 236], 90.00th=[ 264], 95.00th=[ 288], | 99.00th=[ 330], 99.50th=[ 355], 99.90th=[ 401], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 45, max= 224, per=25.11%, avg=155.42, stdev=38.66, samples=64 iops : min= 11, max= 56, avg=38.41, stdev= 9.73, samples=64 write: IOPS=40, BW=160KiB/s (164kB/s)(5192KiB/32393msec); 0 zone resets slat (usec): min=46, max=7645, avg=282.16, stdev=576.29 clat (msec): min=96, max=403, avg=194.19, stdev=48.67 lat (msec): min=97, max=403, avg=194.48, stdev=48.65 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 118], 10.00th=[ 136], 20.00th=[ 153], | 30.00th=[ 167], 40.00th=[ 178], 50.00th=[ 188], 60.00th=[ 201], | 70.00th=[ 215], 80.00th=[ 239], 90.00th=[ 257], 95.00th=[ 279], | 99.00th=[ 326], 99.50th=[ 351], 99.90th=[ 388], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 37, max= 271, per=24.92%, avg=160.48, stdev=45.12, samples=64 iops : min= 9, max= 67, avg=39.69, stdev=11.28, samples=64 lat (msec) : 100=0.86%, 250=85.35%, 500=13.79% cpu : usr=0.25%, sys=1.75%, ctx=4427, 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=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=181124: Thu Jun 11 20:42:28 2026 read: IOPS=38, BW=155KiB/s (159kB/s)(4976KiB/32113msec) slat (usec): min=62, max=64154, avg=14170.98, stdev=8336.48 clat (msec): min=71, max=443, avg=190.38, stdev=51.17 lat (msec): min=85, max=455, avg=204.56, stdev=53.68 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 118], 10.00th=[ 131], 20.00th=[ 148], | 30.00th=[ 161], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 230], 90.00th=[ 262], 95.00th=[ 288], | 99.00th=[ 347], 99.50th=[ 359], 99.90th=[ 376], 99.95th=[ 443], | 99.99th=[ 443] bw ( KiB/s): min= 87, max= 256, per=24.87%, avg=153.92, stdev=38.26, samples=63 iops : min= 21, max= 64, avg=38.03, stdev= 9.61, samples=63 write: IOPS=40, BW=164KiB/s (168kB/s)(5264KiB/32113msec); 0 zone resets slat (usec): min=52, max=31281, avg=337.27, stdev=1266.80 clat (msec): min=54, max=367, avg=196.21, stdev=48.04 lat (msec): min=54, max=367, avg=196.55, stdev=48.11 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 125], 10.00th=[ 140], 20.00th=[ 159], | 30.00th=[ 169], 40.00th=[ 182], 50.00th=[ 192], 60.00th=[ 205], | 70.00th=[ 215], 80.00th=[ 230], 90.00th=[ 259], 95.00th=[ 288], | 99.00th=[ 342], 99.50th=[ 355], 99.90th=[ 363], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 87, max= 271, per=25.48%, avg=164.08, stdev=40.81, samples=63 iops : min= 21, max= 67, avg=40.57, stdev=10.27, samples=63 lat (msec) : 100=0.78%, 250=86.56%, 500=12.66% cpu : usr=0.23%, sys=1.86%, ctx=4533, 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=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=181125: Thu Jun 11 20:42:28 2026 read: IOPS=38, BW=154KiB/s (158kB/s)(4984KiB/32400msec) slat (usec): min=3117, max=63166, avg=14585.23, stdev=8762.32 clat (msec): min=23, max=403, avg=190.57, stdev=53.58 lat (msec): min=40, max=408, avg=205.17, stdev=56.22 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 115], 10.00th=[ 129], 20.00th=[ 146], | 30.00th=[ 161], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 199], | 70.00th=[ 213], 80.00th=[ 234], 90.00th=[ 259], 95.00th=[ 292], | 99.00th=[ 338], 99.50th=[ 359], 99.90th=[ 384], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 30, max= 280, per=24.66%, avg=152.67, stdev=44.67, samples=64 iops : min= 7, max= 70, avg=37.72, stdev=11.23, samples=64 write: IOPS=40, BW=162KiB/s (166kB/s)(5256KiB/32400msec); 0 zone resets slat (usec): min=55, max=14737, avg=288.20, stdev=735.83 clat (msec): min=30, max=405, avg=196.43, stdev=52.69 lat (msec): min=30, max=406, avg=196.72, stdev=52.71 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 117], 10.00th=[ 136], 20.00th=[ 155], | 30.00th=[ 171], 40.00th=[ 182], 50.00th=[ 192], 60.00th=[ 203], | 70.00th=[ 218], 80.00th=[ 236], 90.00th=[ 266], 95.00th=[ 292], | 99.00th=[ 351], 99.50th=[ 368], 99.90th=[ 401], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 37, max= 247, per=24.95%, avg=160.66, stdev=45.16, samples=64 iops : min= 9, max= 61, avg=39.72, stdev=11.30, samples=64 lat (msec) : 50=0.27%, 100=1.29%, 250=83.95%, 500=14.49% cpu : usr=0.20%, sys=1.82%, ctx=4617, 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=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=181126: Thu Jun 11 20:42:28 2026 read: IOPS=39, BW=157KiB/s (161kB/s)(5060KiB/32231msec) slat (usec): min=2220, max=65250, avg=13827.38, stdev=8054.82 clat (msec): min=72, max=448, avg=188.74, stdev=50.00 lat (msec): min=88, max=462, avg=202.57, stdev=52.14 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 115], 10.00th=[ 129], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 230], 90.00th=[ 257], 95.00th=[ 279], | 99.00th=[ 313], 99.50th=[ 330], 99.90th=[ 401], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 30, max= 270, per=25.23%, avg=156.16, stdev=40.28, samples=64 iops : min= 7, max= 67, avg=38.59, stdev=10.13, samples=64 write: IOPS=40, BW=161KiB/s (165kB/s)(5180KiB/32231msec); 0 zone resets slat (usec): min=54, max=14525, avg=343.82, stdev=885.20 clat (msec): min=39, max=405, avg=196.62, stdev=49.84 lat (msec): min=39, max=412, avg=196.97, stdev=49.83 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 123], 10.00th=[ 138], 20.00th=[ 155], | 30.00th=[ 169], 40.00th=[ 182], 50.00th=[ 192], 60.00th=[ 203], | 70.00th=[ 218], 80.00th=[ 236], 90.00th=[ 264], 95.00th=[ 292], | 99.00th=[ 338], 99.50th=[ 347], 99.90th=[ 388], 99.95th=[ 405], | 99.99th=[ 405] bw ( KiB/s): min= 45, max= 271, per=24.84%, avg=160.00, stdev=42.55, samples=64 iops : min= 11, max= 67, avg=39.56, stdev=10.65, samples=64 lat (msec) : 50=0.04%, 100=0.62%, 250=85.70%, 500=13.63% cpu : usr=0.22%, sys=1.84%, ctx=4720, majf=0, minf=16 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=619KiB/s (634kB/s), 154KiB/s-157KiB/s (158kB/s-161kB/s), io=19.6MiB (20.5MB), run=32113-32400msec WRITE: bw=645KiB/s (660kB/s), 160KiB/s-164KiB/s (164kB/s-168kB/s), io=20.4MiB (21.4MB), run=32113-32400msec 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=181135: Thu Jun 11 20:42:35 2026 read: IOPS=1, BW=75.8MiB/s (79.4MB/s)(40.0MiB/528msec) slat (nsec): min=34965k, max=34965k, avg=34965497.00, stdev= 0.00 clat (nsec): min=469222k, max=469222k, avg=469221622.00, stdev= 0.00 lat (nsec): min=504191k, max=504191k, avg=504191414.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 468], 5.00th=[ 468], 10.00th=[ 468], 20.00th=[ 468], | 30.00th=[ 468], 40.00th=[ 468], 50.00th=[ 468], 60.00th=[ 468], | 70.00th=[ 468], 80.00th=[ 468], 90.00th=[ 468], 95.00th=[ 468], | 99.00th=[ 468], 99.50th=[ 468], 99.90th=[ 468], 99.95th=[ 468], | 99.99th=[ 468] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.09%, ctx=6, 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=75.8MiB/s (79.4MB/s), 75.8MiB/s-75.8MiB/s (79.4MB/s-79.4MB/s), io=40.0MiB (41.9MB), run=528-528msec 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