== sanity test 398c: run fio to test AIO ================= 21:24:35 (1773105875) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.40295 s, 104 MB/s osc.lustre-OST0000-osc-ffff8ebc4c7e9800.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=184206: Mon Mar 9 21:25:10 2026 write: IOPS=89, BW=359KiB/s (368kB/s)(10.0MiB/28508msec); 0 zone resets slat (usec): min=38, max=16011, avg=313.05, stdev=809.34 clat (msec): min=19, max=344, avg=177.62, stdev=47.60 lat (msec): min=20, max=344, avg=177.94, stdev=47.58 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 105], 10.00th=[ 114], 20.00th=[ 138], | 30.00th=[ 155], 40.00th=[ 167], 50.00th=[ 178], 60.00th=[ 186], | 70.00th=[ 201], 80.00th=[ 220], 90.00th=[ 239], 95.00th=[ 253], | 99.00th=[ 309], 99.50th=[ 313], 99.90th=[ 347], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 239, max= 607, per=25.01%, avg=358.70, stdev=82.71, samples=56 iops : min= 59, max= 151, avg=89.27, stdev=20.68, samples=56 lat (msec) : 20=0.04%, 50=0.27%, 100=3.32%, 250=90.59%, 500=5.78% cpu : usr=0.25%, sys=1.46%, ctx=2967, 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=184207: Mon Mar 9 21:25:10 2026 write: IOPS=89, BW=359KiB/s (367kB/s)(10.0MiB/28560msec); 0 zone resets slat (usec): min=54, max=16422, avg=261.94, stdev=715.91 clat (msec): min=43, max=330, avg=177.72, stdev=46.20 lat (msec): min=44, max=330, avg=177.99, stdev=46.19 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 106], 10.00th=[ 115], 20.00th=[ 136], | 30.00th=[ 153], 40.00th=[ 165], 50.00th=[ 180], 60.00th=[ 188], | 70.00th=[ 199], 80.00th=[ 218], 90.00th=[ 239], 95.00th=[ 253], | 99.00th=[ 309], 99.50th=[ 313], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 330] bw ( KiB/s): min= 203, max= 630, per=24.92%, avg=357.41, stdev=90.02, samples=56 iops : min= 50, max= 157, avg=88.95, stdev=22.52, samples=56 lat (msec) : 50=0.04%, 100=3.20%, 250=90.74%, 500=6.02% cpu : usr=0.18%, sys=1.33%, ctx=2282, 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=184208: Mon Mar 9 21:25:10 2026 write: IOPS=89, BW=359KiB/s (368kB/s)(10.0MiB/28508msec); 0 zone resets slat (usec): min=51, max=10348, avg=248.09, stdev=542.86 clat (msec): min=33, max=333, avg=177.44, stdev=46.52 lat (msec): min=34, max=333, avg=177.69, stdev=46.51 clat percentiles (msec): | 1.00th=[ 74], 5.00th=[ 106], 10.00th=[ 116], 20.00th=[ 136], | 30.00th=[ 153], 40.00th=[ 167], 50.00th=[ 176], 60.00th=[ 188], | 70.00th=[ 201], 80.00th=[ 220], 90.00th=[ 239], 95.00th=[ 253], | 99.00th=[ 300], 99.50th=[ 313], 99.90th=[ 321], 99.95th=[ 330], | 99.99th=[ 334] bw ( KiB/s): min= 243, max= 638, per=25.00%, avg=358.57, stdev=85.67, samples=56 iops : min= 60, max= 159, avg=89.23, stdev=21.41, samples=56 lat (msec) : 50=0.20%, 100=2.93%, 250=91.56%, 500=5.31% cpu : usr=0.16%, sys=1.35%, ctx=2544, 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=184209: Mon Mar 9 21:25:10 2026 write: IOPS=89, BW=359KiB/s (367kB/s)(10.0MiB/28558msec); 0 zone resets slat (usec): min=56, max=8981, avg=279.09, stdev=563.43 clat (msec): min=34, max=343, avg=177.62, stdev=46.21 lat (msec): min=34, max=343, avg=177.90, stdev=46.19 clat percentiles (msec): | 1.00th=[ 74], 5.00th=[ 107], 10.00th=[ 116], 20.00th=[ 136], | 30.00th=[ 153], 40.00th=[ 167], 50.00th=[ 178], 60.00th=[ 188], | 70.00th=[ 201], 80.00th=[ 220], 90.00th=[ 236], 95.00th=[ 251], | 99.00th=[ 305], 99.50th=[ 330], 99.90th=[ 330], 99.95th=[ 330], | 99.99th=[ 342] bw ( KiB/s): min= 231, max= 584, per=24.87%, avg=356.66, stdev=79.58, samples=56 iops : min= 57, max= 146, avg=88.77, stdev=19.94, samples=56 lat (msec) : 50=0.12%, 100=2.97%, 250=91.45%, 500=5.47% cpu : usr=0.25%, sys=1.39%, ctx=2990, 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 Run status group 0 (all jobs): WRITE: bw=1434KiB/s (1469kB/s), 359KiB/s-359KiB/s (367kB/s-368kB/s), io=40.0MiB (41.9MB), run=28508-28560msec 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=184224: Mon Mar 9 21:25:41 2026 read: IOPS=60, BW=240KiB/s (246kB/s)(5048KiB/21011msec) slat (usec): min=1763, max=55265, avg=8995.50, stdev=5040.73 clat (msec): min=57, max=262, avg=123.28, stdev=33.51 lat (msec): min=60, max=277, avg=132.28, stdev=35.42 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 77], 10.00th=[ 86], 20.00th=[ 96], | 30.00th=[ 104], 40.00th=[ 110], 50.00th=[ 117], 60.00th=[ 126], | 70.00th=[ 138], 80.00th=[ 153], 90.00th=[ 171], 95.00th=[ 188], | 99.00th=[ 218], 99.50th=[ 226], 99.90th=[ 245], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 77, max= 367, per=24.90%, avg=237.78, stdev=65.09, samples=41 iops : min= 19, max= 91, avg=59.12, stdev=16.24, samples=41 write: IOPS=61, BW=247KiB/s (253kB/s)(5192KiB/21011msec); 0 zone resets slat (usec): min=54, max=9583, avg=281.65, stdev=534.60 clat (msec): min=61, max=247, avg=126.62, stdev=33.21 lat (msec): min=61, max=247, avg=126.91, stdev=33.23 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 82], 10.00th=[ 88], 20.00th=[ 100], | 30.00th=[ 106], 40.00th=[ 113], 50.00th=[ 122], 60.00th=[ 130], | 70.00th=[ 142], 80.00th=[ 155], 90.00th=[ 176], 95.00th=[ 188], | 99.00th=[ 224], 99.50th=[ 232], 99.90th=[ 239], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 53, max= 392, per=24.63%, avg=244.78, stdev=60.32, samples=41 iops : min= 13, max= 98, avg=60.85, stdev=15.13, samples=41 lat (msec) : 100=23.67%, 250=76.29%, 500=0.04% cpu : usr=0.33%, sys=2.48%, ctx=4870, 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=184225: Mon Mar 9 21:25:41 2026 read: IOPS=59, BW=237KiB/s (243kB/s)(4976KiB/20984msec) slat (usec): min=1739, max=39040, avg=8903.73, stdev=5103.54 clat (msec): min=54, max=234, avg=122.74, stdev=33.24 lat (msec): min=58, max=255, avg=131.65, stdev=35.10 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 77], 10.00th=[ 85], 20.00th=[ 96], | 30.00th=[ 104], 40.00th=[ 110], 50.00th=[ 117], 60.00th=[ 126], | 70.00th=[ 136], 80.00th=[ 148], 90.00th=[ 174], 95.00th=[ 188], | 99.00th=[ 215], 99.50th=[ 226], 99.90th=[ 232], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 84, max= 326, per=24.61%, avg=235.05, stdev=62.71, samples=41 iops : min= 21, max= 81, avg=58.44, stdev=15.69, samples=41 write: IOPS=62, BW=251KiB/s (257kB/s)(5264KiB/20984msec); 0 zone resets slat (usec): min=46, max=6869, avg=271.25, stdev=487.16 clat (msec): min=37, max=250, avg=127.88, stdev=35.38 lat (msec): min=37, max=250, avg=128.16, stdev=35.40 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 81], 10.00th=[ 88], 20.00th=[ 99], | 30.00th=[ 106], 40.00th=[ 114], 50.00th=[ 122], 60.00th=[ 131], | 70.00th=[ 142], 80.00th=[ 161], 90.00th=[ 178], 95.00th=[ 194], | 99.00th=[ 228], 99.50th=[ 234], 99.90th=[ 243], 99.95th=[ 251], | 99.99th=[ 251] bw ( KiB/s): min= 107, max= 368, per=25.02%, avg=248.66, stdev=61.30, samples=41 iops : min= 26, max= 92, avg=61.80, stdev=15.36, samples=41 lat (msec) : 50=0.04%, 100=23.59%, 250=76.33%, 500=0.04% cpu : usr=0.25%, sys=2.57%, ctx=4701, 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=184226: Mon Mar 9 21:25:41 2026 read: IOPS=59, BW=237KiB/s (243kB/s)(4984KiB/21008msec) slat (usec): min=2140, max=35007, avg=8877.06, stdev=4942.31 clat (msec): min=23, max=247, avg=124.29, stdev=34.31 lat (msec): min=33, max=266, avg=133.17, stdev=36.17 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 74], 10.00th=[ 85], 20.00th=[ 96], | 30.00th=[ 105], 40.00th=[ 112], 50.00th=[ 120], 60.00th=[ 128], | 70.00th=[ 140], 80.00th=[ 153], 90.00th=[ 174], 95.00th=[ 188], | 99.00th=[ 213], 99.50th=[ 224], 99.90th=[ 243], 99.95th=[ 247], | 99.99th=[ 247] bw ( KiB/s): min= 76, max= 360, per=24.65%, avg=235.41, stdev=57.49, samples=41 iops : min= 19, max= 90, avg=58.54, stdev=14.34, samples=41 write: IOPS=62, BW=250KiB/s (256kB/s)(5256KiB/21008msec); 0 zone resets slat (usec): min=50, max=5137, avg=278.47, stdev=435.99 clat (msec): min=45, max=239, avg=126.26, stdev=33.70 lat (msec): min=45, max=239, avg=126.54, stdev=33.71 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 82], 10.00th=[ 89], 20.00th=[ 100], | 30.00th=[ 107], 40.00th=[ 113], 50.00th=[ 120], 60.00th=[ 128], | 70.00th=[ 138], 80.00th=[ 155], 90.00th=[ 176], 95.00th=[ 194], | 99.00th=[ 218], 99.50th=[ 228], 99.90th=[ 239], 99.95th=[ 241], | 99.99th=[ 241] bw ( KiB/s): min= 84, max= 368, per=24.81%, avg=246.59, stdev=71.61, samples=41 iops : min= 21, max= 92, avg=61.32, stdev=17.92, samples=41 lat (msec) : 50=0.08%, 100=21.91%, 250=78.01% cpu : usr=0.30%, sys=2.48%, ctx=4678, 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=184227: Mon Mar 9 21:25:41 2026 read: IOPS=60, BW=242KiB/s (248kB/s)(5060KiB/20933msec) slat (usec): min=121, max=40274, avg=8855.32, stdev=4918.87 clat (msec): min=24, max=234, avg=124.89, stdev=34.98 lat (msec): min=31, max=273, avg=133.75, stdev=36.80 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 75], 10.00th=[ 86], 20.00th=[ 97], | 30.00th=[ 105], 40.00th=[ 111], 50.00th=[ 120], 60.00th=[ 129], | 70.00th=[ 140], 80.00th=[ 155], 90.00th=[ 174], 95.00th=[ 190], | 99.00th=[ 218], 99.50th=[ 224], 99.90th=[ 234], 99.95th=[ 234], | 99.99th=[ 234] bw ( KiB/s): min= 136, max= 400, per=25.14%, avg=240.10, stdev=53.49, samples=41 iops : min= 34, max= 100, avg=59.68, stdev=13.44, samples=41 write: IOPS=61, BW=247KiB/s (253kB/s)(5180KiB/20933msec); 0 zone resets slat (usec): min=43, max=5506, avg=251.67, stdev=354.11 clat (msec): min=53, max=242, avg=127.01, stdev=33.48 lat (msec): min=53, max=242, avg=127.27, stdev=33.48 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 80], 10.00th=[ 90], 20.00th=[ 100], | 30.00th=[ 107], 40.00th=[ 114], 50.00th=[ 122], 60.00th=[ 129], | 70.00th=[ 140], 80.00th=[ 157], 90.00th=[ 178], 95.00th=[ 190], | 99.00th=[ 218], 99.50th=[ 220], 99.90th=[ 228], 99.95th=[ 243], | 99.99th=[ 243] bw ( KiB/s): min= 144, max= 382, per=24.66%, avg=245.15, stdev=64.58, samples=41 iops : min= 36, max= 95, avg=60.95, stdev=16.16, samples=41 lat (msec) : 50=0.16%, 100=22.85%, 250=76.99% cpu : usr=0.26%, sys=2.61%, ctx=4808, 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=955KiB/s (978kB/s), 237KiB/s-242KiB/s (243kB/s-248kB/s), io=19.6MiB (20.5MB), run=20933-21011msec WRITE: bw=994KiB/s (1018kB/s), 247KiB/s-251KiB/s (253kB/s-257kB/s), io=20.4MiB (21.4MB), run=20933-21011msec 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=184234: Mon Mar 9 21:25:47 2026 read: IOPS=3, BW=133MiB/s (139MB/s)(40.0MiB/301msec) slat (nsec): min=17529k, max=17529k, avg=17529095.00, stdev= 0.00 clat (nsec): min=264126k, max=264126k, avg=264126001.00, stdev= 0.00 lat (nsec): min=281660k, max=281660k, avg=281659513.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 264], 5.00th=[ 264], 10.00th=[ 264], 20.00th=[ 264], | 30.00th=[ 264], 40.00th=[ 264], 50.00th=[ 264], 60.00th=[ 264], | 70.00th=[ 264], 80.00th=[ 264], 90.00th=[ 264], 95.00th=[ 264], | 99.00th=[ 264], 99.50th=[ 264], 99.90th=[ 264], 99.95th=[ 264], | 99.99th=[ 264] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=5.00%, ctx=8, majf=0, minf=7 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=133MiB/s (139MB/s), 133MiB/s-133MiB/s (139MB/s-139MB/s), io=40.0MiB (41.9MB), run=301-301msec 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