== sanity test 398c: run fio to test AIO ================= 10:12:54 (1761315174) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.470888 s, 89.1 MB/s osc.lustre-OST0000-osc-ffff90ce43978000.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=151637: Fri Oct 24 10:13:25 2025 write: IOPS=110, BW=443KiB/s (454kB/s)(10.0MiB/23100msec); 0 zone resets slat (usec): min=25, max=8566, avg=167.61, stdev=534.52 clat (msec): min=19, max=303, avg=143.92, stdev=38.01 lat (msec): min=19, max=303, avg=144.09, stdev=38.00 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 94], 10.00th=[ 105], 20.00th=[ 116], | 30.00th=[ 124], 40.00th=[ 130], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 159], 80.00th=[ 171], 90.00th=[ 190], 95.00th=[ 218], | 99.00th=[ 262], 99.50th=[ 288], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 207, max= 618, per=24.85%, avg=440.60, stdev=92.10, samples=45 iops : min= 51, max= 154, avg=109.73, stdev=23.11, samples=45 lat (msec) : 20=0.04%, 50=0.08%, 100=7.38%, 250=90.86%, 500=1.64% cpu : usr=0.22%, sys=1.17%, ctx=1233, 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=151638: Fri Oct 24 10:13:25 2025 write: IOPS=111, BW=446KiB/s (457kB/s)(10.0MiB/22964msec); 0 zone resets slat (usec): min=24, max=17838, avg=168.97, stdev=561.24 clat (msec): min=14, max=295, avg=143.21, stdev=38.64 lat (msec): min=14, max=295, avg=143.38, stdev=38.66 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 94], 10.00th=[ 103], 20.00th=[ 115], | 30.00th=[ 123], 40.00th=[ 132], 50.00th=[ 138], 60.00th=[ 146], | 70.00th=[ 155], 80.00th=[ 167], 90.00th=[ 197], 95.00th=[ 218], | 99.00th=[ 259], 99.50th=[ 284], 99.90th=[ 284], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 254, max= 706, per=25.08%, avg=444.71, stdev=89.59, samples=45 iops : min= 63, max= 176, avg=110.78, stdev=22.46, samples=45 lat (msec) : 20=0.08%, 50=0.78%, 100=7.50%, 250=89.96%, 500=1.68% cpu : usr=0.23%, sys=1.35%, ctx=1474, 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=151639: Fri Oct 24 10:13:25 2025 write: IOPS=110, BW=444KiB/s (454kB/s)(10.0MiB/23082msec); 0 zone resets slat (usec): min=25, max=17709, avg=159.52, stdev=572.24 clat (msec): min=15, max=288, avg=143.74, stdev=37.44 lat (msec): min=15, max=288, avg=143.90, stdev=37.44 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 95], 10.00th=[ 104], 20.00th=[ 113], | 30.00th=[ 123], 40.00th=[ 131], 50.00th=[ 138], 60.00th=[ 146], | 70.00th=[ 157], 80.00th=[ 169], 90.00th=[ 199], 95.00th=[ 218], | 99.00th=[ 257], 99.50th=[ 271], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 288] bw ( KiB/s): min= 254, max= 615, per=24.86%, avg=440.84, stdev=93.82, samples=45 iops : min= 63, max= 153, avg=109.82, stdev=23.48, samples=45 lat (msec) : 20=0.04%, 100=7.46%, 250=91.21%, 500=1.29% cpu : usr=0.23%, sys=1.13%, ctx=1171, 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=151640: Fri Oct 24 10:13:25 2025 write: IOPS=111, BW=444KiB/s (455kB/s)(10.0MiB/23038msec); 0 zone resets slat (usec): min=25, max=9410, avg=151.46, stdev=504.29 clat (msec): min=31, max=298, avg=143.48, stdev=37.49 lat (msec): min=31, max=298, avg=143.64, stdev=37.49 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 95], 10.00th=[ 101], 20.00th=[ 112], | 30.00th=[ 124], 40.00th=[ 131], 50.00th=[ 140], 60.00th=[ 150], | 70.00th=[ 159], 80.00th=[ 169], 90.00th=[ 192], 95.00th=[ 209], | 99.00th=[ 268], 99.50th=[ 292], 99.90th=[ 300], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 254, max= 619, per=24.89%, avg=441.27, stdev=89.16, samples=45 iops : min= 63, max= 154, avg=109.93, stdev=22.35, samples=45 lat (msec) : 50=0.66%, 100=7.77%, 250=90.27%, 500=1.29% cpu : usr=0.16%, sys=1.04%, ctx=965, 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=1773KiB/s (1816kB/s), 443KiB/s-446KiB/s (454kB/s-457kB/s), io=40.0MiB (41.9MB), run=22964-23100msec 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=151654: Fri Oct 24 10:13:55 2025 read: IOPS=56, BW=227KiB/s (233kB/s)(5048KiB/22199msec) slat (usec): min=2035, max=42263, avg=8760.33, stdev=4198.93 clat (msec): min=23, max=230, avg=131.80, stdev=30.94 lat (msec): min=31, max=243, avg=140.56, stdev=32.12 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 82], 10.00th=[ 94], 20.00th=[ 106], | 30.00th=[ 114], 40.00th=[ 124], 50.00th=[ 131], 60.00th=[ 140], | 70.00th=[ 148], 80.00th=[ 159], 90.00th=[ 174], 95.00th=[ 186], | 99.00th=[ 203], 99.50th=[ 211], 99.90th=[ 228], 99.95th=[ 232], | 99.99th=[ 232] bw ( KiB/s): min= 135, max= 330, per=25.06%, avg=226.53, stdev=41.10, samples=43 iops : min= 33, max= 82, avg=56.09, stdev=10.39, samples=43 write: IOPS=58, BW=234KiB/s (239kB/s)(5192KiB/22199msec); 0 zone resets slat (usec): min=27, max=8944, avg=174.15, stdev=426.88 clat (msec): min=67, max=237, avg=135.24, stdev=28.40 lat (msec): min=67, max=237, avg=135.42, stdev=28.39 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 88], 10.00th=[ 96], 20.00th=[ 112], | 30.00th=[ 122], 40.00th=[ 128], 50.00th=[ 136], 60.00th=[ 142], | 70.00th=[ 148], 80.00th=[ 159], 90.00th=[ 174], 95.00th=[ 184], | 99.00th=[ 207], 99.50th=[ 218], 99.90th=[ 232], 99.95th=[ 239], | 99.99th=[ 239] bw ( KiB/s): min= 133, max= 348, per=24.87%, avg=234.07, stdev=51.76, samples=43 iops : min= 33, max= 87, avg=58.00, stdev=12.99, samples=43 lat (msec) : 50=0.04%, 100=13.40%, 250=86.56% cpu : usr=0.26%, sys=2.01%, ctx=2927, 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=151655: Fri Oct 24 10:13:55 2025 read: IOPS=56, BW=226KiB/s (231kB/s)(4976KiB/22065msec) slat (usec): min=33, max=40554, avg=8681.16, stdev=4211.70 clat (msec): min=14, max=259, avg=131.82, stdev=31.51 lat (msec): min=14, max=289, avg=140.51, stdev=32.72 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 82], 10.00th=[ 94], 20.00th=[ 107], | 30.00th=[ 115], 40.00th=[ 123], 50.00th=[ 131], 60.00th=[ 140], | 70.00th=[ 148], 80.00th=[ 159], 90.00th=[ 171], 95.00th=[ 186], | 99.00th=[ 215], 99.50th=[ 232], 99.90th=[ 249], 99.95th=[ 259], | 99.99th=[ 259] bw ( KiB/s): min= 119, max= 322, per=24.87%, avg=224.86, stdev=45.02, samples=43 iops : min= 29, max= 80, avg=55.67, stdev=11.32, samples=43 write: IOPS=59, BW=239KiB/s (244kB/s)(5264KiB/22065msec); 0 zone resets slat (usec): min=27, max=4954, avg=152.04, stdev=330.31 clat (msec): min=22, max=223, avg=134.87, stdev=28.72 lat (msec): min=22, max=223, avg=135.03, stdev=28.75 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 87], 10.00th=[ 101], 20.00th=[ 112], | 30.00th=[ 120], 40.00th=[ 128], 50.00th=[ 134], 60.00th=[ 142], | 70.00th=[ 148], 80.00th=[ 159], 90.00th=[ 174], 95.00th=[ 184], | 99.00th=[ 203], 99.50th=[ 207], 99.90th=[ 224], 99.95th=[ 224], | 99.99th=[ 224] bw ( KiB/s): min= 159, max= 357, per=25.41%, avg=239.12, stdev=47.61, samples=43 iops : min= 39, max= 89, avg=59.26, stdev=11.99, samples=43 lat (msec) : 20=0.04%, 50=0.08%, 100=12.19%, 250=87.66%, 500=0.04% cpu : usr=0.32%, sys=1.86%, ctx=2769, 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=151656: Fri Oct 24 10:13:55 2025 read: IOPS=56, BW=225KiB/s (230kB/s)(4984KiB/22174msec) slat (usec): min=1727, max=47410, avg=8736.36, stdev=4290.77 clat (msec): min=32, max=221, avg=131.08, stdev=30.96 lat (msec): min=45, max=242, avg=139.83, stdev=32.01 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 82], 10.00th=[ 92], 20.00th=[ 105], | 30.00th=[ 114], 40.00th=[ 123], 50.00th=[ 131], 60.00th=[ 138], | 70.00th=[ 146], 80.00th=[ 157], 90.00th=[ 174], 95.00th=[ 186], | 99.00th=[ 207], 99.50th=[ 215], 99.90th=[ 218], 99.95th=[ 222], | 99.99th=[ 222] bw ( KiB/s): min= 143, max= 304, per=24.92%, avg=225.23, stdev=41.60, samples=43 iops : min= 35, max= 76, avg=55.74, stdev=10.46, samples=43 write: IOPS=59, BW=237KiB/s (243kB/s)(5256KiB/22174msec); 0 zone resets slat (usec): min=25, max=9898, avg=185.32, stdev=473.10 clat (msec): min=62, max=217, avg=135.61, stdev=27.93 lat (msec): min=62, max=217, avg=135.80, stdev=27.95 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 91], 10.00th=[ 101], 20.00th=[ 113], | 30.00th=[ 123], 40.00th=[ 129], 50.00th=[ 136], 60.00th=[ 142], | 70.00th=[ 148], 80.00th=[ 159], 90.00th=[ 171], 95.00th=[ 186], | 99.00th=[ 205], 99.50th=[ 211], 99.90th=[ 218], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 127, max= 317, per=25.08%, avg=236.02, stdev=45.59, samples=43 iops : min= 31, max= 79, avg=58.49, stdev=11.46, samples=43 lat (msec) : 50=0.08%, 100=12.73%, 250=87.19% cpu : usr=0.24%, sys=2.03%, 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=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=151657: Fri Oct 24 10:13:55 2025 read: IOPS=57, BW=228KiB/s (234kB/s)(5060KiB/22145msec) slat (usec): min=1749, max=40857, avg=8613.00, stdev=4177.34 clat (msec): min=49, max=247, avg=131.61, stdev=30.27 lat (msec): min=56, max=262, avg=140.22, stdev=31.29 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 83], 10.00th=[ 93], 20.00th=[ 107], | 30.00th=[ 117], 40.00th=[ 125], 50.00th=[ 131], 60.00th=[ 138], | 70.00th=[ 146], 80.00th=[ 155], 90.00th=[ 171], 95.00th=[ 186], | 99.00th=[ 211], 99.50th=[ 222], 99.90th=[ 236], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 119, max= 326, per=25.28%, avg=228.56, stdev=40.21, samples=43 iops : min= 29, max= 81, avg=56.63, stdev=10.13, samples=43 write: IOPS=58, BW=234KiB/s (240kB/s)(5180KiB/22145msec); 0 zone resets slat (usec): min=28, max=12992, avg=187.08, stdev=571.66 clat (msec): min=21, max=230, avg=134.85, stdev=28.71 lat (msec): min=24, max=231, avg=135.04, stdev=28.71 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 88], 10.00th=[ 97], 20.00th=[ 109], | 30.00th=[ 122], 40.00th=[ 128], 50.00th=[ 136], 60.00th=[ 142], | 70.00th=[ 150], 80.00th=[ 161], 90.00th=[ 171], 95.00th=[ 182], | 99.00th=[ 201], 99.50th=[ 205], 99.90th=[ 222], 99.95th=[ 232], | 99.99th=[ 232] bw ( KiB/s): min= 135, max= 340, per=24.83%, avg=233.63, stdev=43.63, samples=43 iops : min= 33, max= 85, avg=57.91, stdev=11.00, samples=43 lat (msec) : 50=0.08%, 100=13.05%, 250=86.88% cpu : usr=0.26%, sys=1.91%, ctx=2653, 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=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=904KiB/s (926kB/s), 225KiB/s-228KiB/s (230kB/s-234kB/s), io=19.6MiB (20.5MB), run=22065-22199msec WRITE: bw=941KiB/s (964kB/s), 234KiB/s-239KiB/s (239kB/s-244kB/s), io=20.4MiB (21.4MB), run=22065-22199msec 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=151664: Fri Oct 24 10:14:03 2025 read: IOPS=2, BW=111MiB/s (117MB/s)(40.0MiB/359msec) slat (nsec): min=27772k, max=27772k, avg=27772101.00, stdev= 0.00 clat (nsec): min=313731k, max=313731k, avg=313730531.00, stdev= 0.00 lat (nsec): min=341507k, max=341507k, avg=341506987.00, 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=3.63%, ctx=3, 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=111MiB/s (117MB/s), 111MiB/s-111MiB/s (117MB/s-117MB/s), io=40.0MiB (41.9MB), run=359-359msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck