== sanity test 398c: run fio to test AIO ================= 12:08:22 (1776182902) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.299602 s, 140 MB/s osc.lustre-OST0000-osc-ffff8bf989315000.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=148479: Tue Apr 14 12:08:52 2026 write: IOPS=110, BW=442KiB/s (452kB/s)(10.0MiB/23190msec); 0 zone resets slat (usec): min=21, max=25895, avg=281.90, stdev=972.41 clat (msec): min=14, max=302, avg=144.44, stdev=41.29 lat (msec): min=15, max=302, avg=144.72, stdev=41.30 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 91], 10.00th=[ 101], 20.00th=[ 113], | 30.00th=[ 125], 40.00th=[ 132], 50.00th=[ 138], 60.00th=[ 148], | 70.00th=[ 159], 80.00th=[ 174], 90.00th=[ 199], 95.00th=[ 222], | 99.00th=[ 271], 99.50th=[ 279], 99.90th=[ 300], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 247, max= 708, per=24.91%, avg=438.43, stdev=100.93, samples=46 iops : min= 61, max= 177, avg=109.26, stdev=25.30, samples=46 lat (msec) : 20=0.16%, 50=1.02%, 100=8.75%, 250=87.38%, 500=2.70% cpu : usr=0.27%, sys=1.44%, ctx=1299, 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=148480: Tue Apr 14 12:08:52 2026 write: IOPS=110, BW=440KiB/s (451kB/s)(10.0MiB/23269msec); 0 zone resets slat (usec): min=23, max=39624, avg=262.13, stdev=1099.57 clat (msec): min=13, max=302, avg=144.77, stdev=41.43 lat (msec): min=13, max=302, avg=145.03, stdev=41.49 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 92], 10.00th=[ 101], 20.00th=[ 111], | 30.00th=[ 122], 40.00th=[ 132], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 159], 80.00th=[ 176], 90.00th=[ 194], 95.00th=[ 226], | 99.00th=[ 271], 99.50th=[ 288], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 254, max= 640, per=24.83%, avg=437.00, stdev=97.77, samples=46 iops : min= 63, max= 160, avg=108.89, stdev=24.50, samples=46 lat (msec) : 20=0.08%, 50=0.55%, 100=8.91%, 250=87.85%, 500=2.62% cpu : usr=0.28%, sys=1.26%, ctx=1060, 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=148481: Tue Apr 14 12:08:52 2026 write: IOPS=110, BW=440KiB/s (451kB/s)(10.0MiB/23263msec); 0 zone resets slat (usec): min=21, max=25037, avg=284.42, stdev=1023.88 clat (msec): min=19, max=324, avg=144.74, stdev=40.13 lat (msec): min=20, max=324, avg=145.03, stdev=40.20 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 91], 10.00th=[ 101], 20.00th=[ 112], | 30.00th=[ 125], 40.00th=[ 133], 50.00th=[ 138], 60.00th=[ 148], | 70.00th=[ 159], 80.00th=[ 174], 90.00th=[ 197], 95.00th=[ 222], | 99.00th=[ 271], 99.50th=[ 288], 99.90th=[ 326], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 256, max= 630, per=24.88%, avg=437.83, stdev=94.63, samples=46 iops : min= 64, max= 157, avg=109.11, stdev=23.72, samples=46 lat (msec) : 20=0.04%, 50=0.12%, 100=9.77%, 250=87.97%, 500=2.11% cpu : usr=0.25%, sys=1.48%, ctx=1559, 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=148482: Tue Apr 14 12:08:52 2026 write: IOPS=110, BW=440KiB/s (451kB/s)(10.0MiB/23269msec); 0 zone resets slat (usec): min=21, max=19865, avg=257.22, stdev=960.78 clat (msec): min=15, max=286, avg=144.79, stdev=40.31 lat (msec): min=17, max=286, avg=145.05, stdev=40.35 clat percentiles (msec): | 1.00th=[ 60], 5.00th=[ 91], 10.00th=[ 100], 20.00th=[ 113], | 30.00th=[ 124], 40.00th=[ 132], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 157], 80.00th=[ 174], 90.00th=[ 197], 95.00th=[ 222], | 99.00th=[ 271], 99.50th=[ 288], 99.90th=[ 288], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 254, max= 640, per=24.85%, avg=437.41, stdev=100.82, samples=46 iops : min= 63, max= 160, avg=109.02, stdev=25.26, samples=46 lat (msec) : 20=0.04%, 50=0.04%, 100=10.62%, 250=86.52%, 500=2.77% cpu : usr=0.24%, sys=1.32%, ctx=1038, 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 Run status group 0 (all jobs): WRITE: bw=1760KiB/s (1803kB/s), 440KiB/s-442KiB/s (451kB/s-452kB/s), io=40.0MiB (41.9MB), run=23190-23269msec 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=148495: Tue Apr 14 12:09:22 2026 read: IOPS=58, BW=235KiB/s (241kB/s)(5048KiB/21488msec) slat (usec): min=33, max=45451, avg=9518.47, stdev=5467.02 clat (msec): min=8, max=278, avg=127.15, stdev=33.87 lat (msec): min=9, max=296, avg=136.68, stdev=35.38 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 84], 10.00th=[ 90], 20.00th=[ 101], | 30.00th=[ 109], 40.00th=[ 116], 50.00th=[ 123], 60.00th=[ 130], | 70.00th=[ 140], 80.00th=[ 150], 90.00th=[ 171], 95.00th=[ 188], | 99.00th=[ 239], 99.50th=[ 264], 99.90th=[ 275], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 151, max= 343, per=25.05%, avg=233.50, stdev=48.37, samples=42 iops : min= 37, max= 85, avg=57.90, stdev=12.10, samples=42 write: IOPS=60, BW=242KiB/s (247kB/s)(5192KiB/21488msec); 0 zone resets slat (usec): min=26, max=11836, avg=257.14, stdev=726.97 clat (msec): min=32, max=269, avg=131.34, stdev=32.55 lat (msec): min=35, max=269, avg=131.60, stdev=32.56 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 87], 10.00th=[ 97], 20.00th=[ 107], | 30.00th=[ 113], 40.00th=[ 120], 50.00th=[ 126], 60.00th=[ 134], | 70.00th=[ 142], 80.00th=[ 155], 90.00th=[ 176], 95.00th=[ 194], | 99.00th=[ 234], 99.50th=[ 241], 99.90th=[ 264], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 143, max= 334, per=24.85%, avg=241.02, stdev=47.16, samples=42 iops : min= 35, max= 83, avg=59.79, stdev=11.82, samples=42 lat (msec) : 10=0.08%, 20=0.04%, 50=0.31%, 100=15.70%, 250=83.44% lat (msec) : 500=0.43% cpu : usr=0.40%, sys=2.46%, ctx=2721, 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=148496: Tue Apr 14 12:09:22 2026 read: IOPS=58, BW=232KiB/s (238kB/s)(4976KiB/21448msec) slat (usec): min=1927, max=41779, avg=9470.15, stdev=5231.74 clat (msec): min=26, max=262, avg=126.52, stdev=31.62 lat (msec): min=34, max=283, avg=136.00, stdev=32.82 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 84], 10.00th=[ 90], 20.00th=[ 101], | 30.00th=[ 109], 40.00th=[ 116], 50.00th=[ 123], 60.00th=[ 131], | 70.00th=[ 140], 80.00th=[ 153], 90.00th=[ 167], 95.00th=[ 182], | 99.00th=[ 222], 99.50th=[ 247], 99.90th=[ 262], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 135, max= 316, per=24.75%, avg=230.64, stdev=49.40, samples=42 iops : min= 33, max= 79, avg=57.19, stdev=12.47, samples=42 write: IOPS=61, BW=245KiB/s (251kB/s)(5264KiB/21448msec); 0 zone resets slat (usec): min=28, max=12882, avg=265.34, stdev=744.19 clat (msec): min=18, max=282, avg=131.20, stdev=32.69 lat (msec): min=19, max=282, avg=131.47, stdev=32.72 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 87], 10.00th=[ 96], 20.00th=[ 106], | 30.00th=[ 113], 40.00th=[ 120], 50.00th=[ 127], 60.00th=[ 136], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 174], 95.00th=[ 197], | 99.00th=[ 239], 99.50th=[ 243], 99.90th=[ 271], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 168, max= 351, per=25.29%, avg=245.36, stdev=51.13, samples=42 iops : min= 42, max= 87, avg=60.88, stdev=12.72, samples=42 lat (msec) : 20=0.04%, 50=0.08%, 100=17.23%, 250=82.34%, 500=0.31% cpu : usr=0.35%, sys=2.30%, ctx=2803, 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=148497: Tue Apr 14 12:09:22 2026 read: IOPS=57, BW=232KiB/s (237kB/s)(4984KiB/21529msec) slat (usec): min=2177, max=42677, avg=9527.44, stdev=5440.30 clat (msec): min=15, max=339, avg=128.81, stdev=34.87 lat (msec): min=31, max=371, avg=138.34, stdev=36.17 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 84], 10.00th=[ 92], 20.00th=[ 101], | 30.00th=[ 110], 40.00th=[ 116], 50.00th=[ 123], 60.00th=[ 132], | 70.00th=[ 142], 80.00th=[ 155], 90.00th=[ 176], 95.00th=[ 192], | 99.00th=[ 234], 99.50th=[ 255], 99.90th=[ 334], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 79, max= 335, per=24.70%, avg=230.19, stdev=47.63, samples=42 iops : min= 19, max= 83, avg=57.07, stdev=11.95, samples=42 write: IOPS=61, BW=244KiB/s (250kB/s)(5256KiB/21529msec); 0 zone resets slat (usec): min=28, max=8974, avg=251.53, stdev=659.96 clat (msec): min=28, max=265, avg=129.52, stdev=32.38 lat (msec): min=28, max=266, avg=129.78, stdev=32.40 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 85], 10.00th=[ 94], 20.00th=[ 105], | 30.00th=[ 113], 40.00th=[ 120], 50.00th=[ 126], 60.00th=[ 132], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 171], 95.00th=[ 190], | 99.00th=[ 230], 99.50th=[ 234], 99.90th=[ 262], 99.95th=[ 266], | 99.99th=[ 266] bw ( KiB/s): min= 112, max= 388, per=24.83%, avg=240.81, stdev=57.46, samples=42 iops : min= 28, max= 97, avg=59.74, stdev=14.40, samples=42 lat (msec) : 20=0.04%, 50=0.39%, 100=16.80%, 250=82.27%, 500=0.51% cpu : usr=0.36%, sys=2.42%, ctx=2649, 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=148498: Tue Apr 14 12:09:22 2026 read: IOPS=59, BW=236KiB/s (242kB/s)(5060KiB/21406msec) slat (usec): min=29, max=48536, avg=9442.32, stdev=5403.63 clat (msec): min=53, max=234, avg=126.53, stdev=31.65 lat (msec): min=55, max=253, avg=135.98, stdev=32.78 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 85], 10.00th=[ 91], 20.00th=[ 101], | 30.00th=[ 108], 40.00th=[ 115], 50.00th=[ 122], 60.00th=[ 130], | 70.00th=[ 140], 80.00th=[ 150], 90.00th=[ 171], 95.00th=[ 188], | 99.00th=[ 222], 99.50th=[ 228], 99.90th=[ 232], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 119, max= 318, per=25.26%, avg=235.38, stdev=45.21, samples=42 iops : min= 29, max= 79, avg=58.38, stdev=11.36, samples=42 write: IOPS=60, BW=242KiB/s (248kB/s)(5180KiB/21406msec); 0 zone resets slat (usec): min=28, max=11159, avg=285.39, stdev=712.25 clat (msec): min=21, max=244, avg=130.98, stdev=31.67 lat (msec): min=21, max=245, avg=131.27, stdev=31.68 clat percentiles (msec): | 1.00th=[ 78], 5.00th=[ 88], 10.00th=[ 97], 20.00th=[ 107], | 30.00th=[ 113], 40.00th=[ 120], 50.00th=[ 126], 60.00th=[ 133], | 70.00th=[ 142], 80.00th=[ 155], 90.00th=[ 176], 95.00th=[ 192], | 99.00th=[ 222], 99.50th=[ 232], 99.90th=[ 245], 99.95th=[ 245], | 99.99th=[ 245] bw ( KiB/s): min= 143, max= 340, per=24.81%, avg=240.67, stdev=47.97, samples=42 iops : min= 35, max= 85, avg=59.69, stdev=12.02, samples=42 lat (msec) : 50=0.08%, 100=16.52%, 250=83.40% cpu : usr=0.44%, sys=2.49%, ctx=2701, 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=932KiB/s (955kB/s), 232KiB/s-236KiB/s (237kB/s-242kB/s), io=19.6MiB (20.5MB), run=21406-21529msec WRITE: bw=970KiB/s (994kB/s), 242KiB/s-245KiB/s (247kB/s-251kB/s), io=20.4MiB (21.4MB), run=21406-21529msec 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=148505: Tue Apr 14 12:09:29 2026 read: IOPS=2, BW=106MiB/s (111MB/s)(40.0MiB/379msec) slat (nsec): min=30741k, max=30741k, avg=30740712.00, stdev= 0.00 clat (nsec): min=336193k, max=336193k, avg=336192743.00, stdev= 0.00 lat (nsec): min=366938k, max=366938k, avg=366938485.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 338], 5.00th=[ 338], 10.00th=[ 338], 20.00th=[ 338], | 30.00th=[ 338], 40.00th=[ 338], 50.00th=[ 338], 60.00th=[ 338], | 70.00th=[ 338], 80.00th=[ 338], 90.00th=[ 338], 95.00th=[ 338], | 99.00th=[ 338], 99.50th=[ 338], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=4.76%, ctx=4, 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=106MiB/s (111MB/s), 106MiB/s-106MiB/s (111MB/s-111MB/s), io=40.0MiB (41.9MB), run=379-379msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck