== sanity test 398c: run fio to test AIO ================= 19:35:27 (1773617727) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.454174 s, 92.4 MB/s osc.lustre-OST0000-osc-ffff97698795b800.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=181531: Sun Mar 15 19:35:59 2026 write: IOPS=110, BW=442KiB/s (452kB/s)(10.0MiB/23183msec); 0 zone resets slat (usec): min=42, max=8312, avg=310.90, stdev=604.43 clat (msec): min=17, max=255, avg=144.44, stdev=34.35 lat (msec): min=17, max=255, avg=144.76, stdev=34.36 clat percentiles (msec): | 1.00th=[ 58], 5.00th=[ 94], 10.00th=[ 106], 20.00th=[ 118], | 30.00th=[ 127], 40.00th=[ 134], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 161], 80.00th=[ 171], 90.00th=[ 192], 95.00th=[ 207], | 99.00th=[ 230], 99.50th=[ 245], 99.90th=[ 255], 99.95th=[ 255], | 99.99th=[ 255] bw ( KiB/s): min= 286, max= 671, per=25.07%, avg=439.20, stdev=85.53, samples=45 iops : min= 71, max= 167, avg=109.36, stdev=21.45, samples=45 lat (msec) : 20=0.08%, 50=0.86%, 100=6.56%, 250=92.27%, 500=0.23% cpu : usr=0.25%, sys=1.72%, ctx=2919, 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=181532: Sun Mar 15 19:35:59 2026 write: IOPS=110, BW=441KiB/s (451kB/s)(10.0MiB/23227msec); 0 zone resets slat (usec): min=43, max=14554, avg=317.40, stdev=668.10 clat (msec): min=13, max=263, avg=144.57, stdev=33.96 lat (msec): min=14, max=263, avg=144.89, stdev=33.99 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 95], 10.00th=[ 105], 20.00th=[ 118], | 30.00th=[ 127], 40.00th=[ 133], 50.00th=[ 142], 60.00th=[ 148], | 70.00th=[ 161], 80.00th=[ 174], 90.00th=[ 192], 95.00th=[ 205], | 99.00th=[ 241], 99.50th=[ 249], 99.90th=[ 253], 99.95th=[ 255], | 99.99th=[ 264] bw ( KiB/s): min= 287, max= 625, per=25.02%, avg=438.39, stdev=77.43, samples=46 iops : min= 71, max= 156, avg=109.15, stdev=19.44, samples=46 lat (msec) : 20=0.04%, 50=0.43%, 100=7.15%, 250=91.91%, 500=0.47% cpu : usr=0.25%, sys=1.79%, ctx=2858, 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=181533: Sun Mar 15 19:35:59 2026 write: IOPS=109, BW=438KiB/s (449kB/s)(10.0MiB/23367msec); 0 zone resets slat (usec): min=38, max=15607, avg=323.19, stdev=758.29 clat (msec): min=18, max=261, avg=144.87, stdev=34.07 lat (msec): min=19, max=262, avg=145.19, stdev=34.10 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 96], 10.00th=[ 104], 20.00th=[ 117], | 30.00th=[ 127], 40.00th=[ 134], 50.00th=[ 142], 60.00th=[ 148], | 70.00th=[ 159], 80.00th=[ 171], 90.00th=[ 192], 95.00th=[ 207], | 99.00th=[ 234], 99.50th=[ 239], 99.90th=[ 253], 99.95th=[ 262], | 99.99th=[ 262] bw ( KiB/s): min= 253, max= 628, per=24.81%, avg=434.67, stdev=79.59, samples=46 iops : min= 63, max= 157, avg=108.22, stdev=19.98, samples=46 lat (msec) : 20=0.04%, 50=0.16%, 100=7.73%, 250=91.91%, 500=0.16% cpu : usr=0.22%, sys=1.71%, ctx=2840, 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=181534: Sun Mar 15 19:35:59 2026 write: IOPS=109, BW=438KiB/s (449kB/s)(10.0MiB/23371msec); 0 zone resets slat (usec): min=44, max=13737, avg=335.49, stdev=744.55 clat (msec): min=11, max=251, avg=145.01, stdev=33.58 lat (msec): min=18, max=251, avg=145.35, stdev=33.60 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 94], 10.00th=[ 105], 20.00th=[ 117], | 30.00th=[ 127], 40.00th=[ 133], 50.00th=[ 140], 60.00th=[ 148], | 70.00th=[ 161], 80.00th=[ 176], 90.00th=[ 197], 95.00th=[ 209], | 99.00th=[ 226], 99.50th=[ 241], 99.90th=[ 249], 99.95th=[ 251], | 99.99th=[ 251] bw ( KiB/s): min= 278, max= 640, per=24.90%, avg=436.33, stdev=80.89, samples=46 iops : min= 69, max= 160, avg=108.63, stdev=20.33, samples=46 lat (msec) : 20=0.04%, 50=0.04%, 100=7.58%, 250=92.27%, 500=0.08% cpu : usr=0.21%, sys=1.66%, ctx=2843, 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=1753KiB/s (1795kB/s), 438KiB/s-442KiB/s (449kB/s-452kB/s), io=40.0MiB (41.9MB), run=23183-23371msec 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=181547: Sun Mar 15 19:36:28 2026 read: IOPS=55, BW=221KiB/s (226kB/s)(5048KiB/22859msec) slat (usec): min=43, max=33113, avg=9749.52, stdev=4637.43 clat (msec): min=48, max=276, avg=135.11, stdev=31.42 lat (msec): min=63, max=302, avg=144.87, stdev=32.84 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 93], 10.00th=[ 100], 20.00th=[ 110], | 30.00th=[ 117], 40.00th=[ 125], 50.00th=[ 131], 60.00th=[ 138], | 70.00th=[ 146], 80.00th=[ 159], 90.00th=[ 180], 95.00th=[ 194], | 99.00th=[ 230], 99.50th=[ 234], 99.90th=[ 275], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 128, max= 312, per=25.34%, avg=219.71, stdev=41.24, samples=45 iops : min= 32, max= 78, avg=54.49, stdev=10.34, samples=45 write: IOPS=56, BW=227KiB/s (233kB/s)(5192KiB/22859msec); 0 zone resets slat (usec): min=40, max=16215, avg=365.85, stdev=794.27 clat (msec): min=47, max=266, avg=140.18, stdev=31.05 lat (msec): min=47, max=268, avg=140.54, stdev=31.08 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 101], 10.00th=[ 107], 20.00th=[ 115], | 30.00th=[ 123], 40.00th=[ 129], 50.00th=[ 134], 60.00th=[ 142], | 70.00th=[ 150], 80.00th=[ 163], 90.00th=[ 184], 95.00th=[ 199], | 99.00th=[ 239], 99.50th=[ 251], 99.90th=[ 266], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 143, max= 319, per=25.08%, avg=226.20, stdev=43.58, samples=45 iops : min= 35, max= 79, avg=56.07, stdev=10.93, samples=45 lat (msec) : 50=0.16%, 100=7.73%, 250=91.64%, 500=0.47% cpu : usr=0.34%, sys=2.86%, ctx=4837, 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=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=181548: Sun Mar 15 19:36:28 2026 read: IOPS=53, BW=216KiB/s (221kB/s)(4976KiB/23075msec) slat (usec): min=2344, max=33109, avg=9926.77, stdev=4720.95 clat (msec): min=52, max=288, avg=134.68, stdev=31.34 lat (msec): min=63, max=300, avg=144.62, stdev=32.69 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 93], 10.00th=[ 101], 20.00th=[ 110], | 30.00th=[ 117], 40.00th=[ 124], 50.00th=[ 130], 60.00th=[ 138], | 70.00th=[ 146], 80.00th=[ 157], 90.00th=[ 176], 95.00th=[ 192], | 99.00th=[ 236], 99.50th=[ 243], 99.90th=[ 279], 99.95th=[ 288], | 99.99th=[ 288] bw ( KiB/s): min= 135, max= 328, per=24.74%, avg=214.49, stdev=49.17, samples=45 iops : min= 33, max= 82, avg=53.13, stdev=12.36, samples=45 write: IOPS=57, BW=228KiB/s (234kB/s)(5264KiB/23075msec); 0 zone resets slat (usec): min=44, max=11493, avg=381.68, stdev=788.34 clat (msec): min=47, max=262, avg=142.07, stdev=29.47 lat (msec): min=47, max=262, avg=142.46, stdev=29.47 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 103], 10.00th=[ 109], 20.00th=[ 118], | 30.00th=[ 125], 40.00th=[ 131], 50.00th=[ 136], 60.00th=[ 144], | 70.00th=[ 155], 80.00th=[ 167], 90.00th=[ 184], 95.00th=[ 197], | 99.00th=[ 224], 99.50th=[ 245], 99.90th=[ 253], 99.95th=[ 264], | 99.99th=[ 264] bw ( KiB/s): min= 136, max= 339, per=25.14%, avg=226.76, stdev=43.14, samples=45 iops : min= 34, max= 84, avg=56.20, stdev=10.79, samples=45 lat (msec) : 50=0.04%, 100=6.41%, 250=93.16%, 500=0.39% cpu : usr=0.33%, sys=2.70%, ctx=4789, 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=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=181549: Sun Mar 15 19:36:28 2026 read: IOPS=54, BW=217KiB/s (222kB/s)(4984KiB/23002msec) slat (usec): min=2918, max=33889, avg=10023.41, stdev=4725.16 clat (msec): min=59, max=281, avg=135.55, stdev=30.99 lat (msec): min=66, max=299, avg=145.58, stdev=32.29 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 93], 10.00th=[ 102], 20.00th=[ 112], | 30.00th=[ 118], 40.00th=[ 125], 50.00th=[ 131], 60.00th=[ 138], | 70.00th=[ 146], 80.00th=[ 159], 90.00th=[ 178], 95.00th=[ 194], | 99.00th=[ 232], 99.50th=[ 243], 99.90th=[ 271], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 111, max= 332, per=24.94%, avg=216.20, stdev=46.88, samples=45 iops : min= 27, max= 83, avg=53.60, stdev=11.80, samples=45 write: IOPS=57, BW=229KiB/s (234kB/s)(5256KiB/23002msec); 0 zone resets slat (usec): min=49, max=13953, avg=405.47, stdev=940.34 clat (msec): min=77, max=294, avg=140.47, stdev=30.17 lat (msec): min=77, max=295, avg=140.87, stdev=30.18 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 101], 10.00th=[ 108], 20.00th=[ 115], | 30.00th=[ 122], 40.00th=[ 129], 50.00th=[ 136], 60.00th=[ 144], | 70.00th=[ 153], 80.00th=[ 163], 90.00th=[ 184], 95.00th=[ 197], | 99.00th=[ 228], 99.50th=[ 249], 99.90th=[ 279], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 104, max= 303, per=25.15%, avg=226.82, stdev=45.29, samples=45 iops : min= 26, max= 75, avg=56.24, stdev=11.32, samples=45 lat (msec) : 100=6.80%, 250=92.73%, 500=0.47% cpu : usr=0.35%, sys=2.83%, ctx=4826, 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=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=181550: Sun Mar 15 19:36:28 2026 read: IOPS=54, BW=219KiB/s (224kB/s)(5060KiB/23142msec) slat (usec): min=89, max=39085, avg=9997.98, stdev=4764.38 clat (msec): min=15, max=281, avg=137.29, stdev=33.40 lat (msec): min=22, max=313, avg=147.30, stdev=34.34 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 93], 10.00th=[ 103], 20.00th=[ 112], | 30.00th=[ 120], 40.00th=[ 126], 50.00th=[ 133], 60.00th=[ 142], | 70.00th=[ 150], 80.00th=[ 163], 90.00th=[ 182], 95.00th=[ 199], | 99.00th=[ 232], 99.50th=[ 255], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 120, max= 312, per=24.88%, avg=215.69, stdev=45.09, samples=45 iops : min= 30, max= 78, avg=53.47, stdev=11.29, samples=45 write: IOPS=55, BW=224KiB/s (229kB/s)(5180KiB/23142msec); 0 zone resets slat (usec): min=50, max=12600, avg=348.40, stdev=661.26 clat (msec): min=31, max=267, avg=140.22, stdev=31.56 lat (msec): min=31, max=267, avg=140.57, stdev=31.56 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 101], 10.00th=[ 109], 20.00th=[ 116], | 30.00th=[ 123], 40.00th=[ 129], 50.00th=[ 136], 60.00th=[ 142], | 70.00th=[ 153], 80.00th=[ 163], 90.00th=[ 184], 95.00th=[ 197], | 99.00th=[ 243], 99.50th=[ 251], 99.90th=[ 264], 99.95th=[ 268], | 99.99th=[ 268] bw ( KiB/s): min= 127, max= 288, per=24.42%, avg=220.24, stdev=41.76, samples=45 iops : min= 31, max= 72, avg=54.60, stdev=10.51, samples=45 lat (msec) : 20=0.04%, 50=0.66%, 100=5.90%, 250=92.77%, 500=0.62% cpu : usr=0.33%, sys=2.74%, ctx=4705, 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=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=867KiB/s (888kB/s), 216KiB/s-221KiB/s (221kB/s-226kB/s), io=19.6MiB (20.5MB), run=22859-23142msec WRITE: bw=903KiB/s (924kB/s), 224KiB/s-229KiB/s (229kB/s-234kB/s), io=20.4MiB (21.4MB), run=22859-23142msec 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=181557: Sun Mar 15 19:36:35 2026 read: IOPS=2, BW=115MiB/s (121MB/s)(40.0MiB/348msec) slat (nsec): min=26099k, max=26099k, avg=26099267.00, stdev= 0.00 clat (nsec): min=304876k, max=304876k, avg=304875864.00, stdev= 0.00 lat (nsec): min=331005k, max=331005k, avg=331005133.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 305], 5.00th=[ 305], 10.00th=[ 305], 20.00th=[ 305], | 30.00th=[ 305], 40.00th=[ 305], 50.00th=[ 305], 60.00th=[ 305], | 70.00th=[ 305], 80.00th=[ 305], 90.00th=[ 305], 95.00th=[ 305], | 99.00th=[ 305], 99.50th=[ 305], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=5.19%, ctx=6, 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=115MiB/s (121MB/s), 115MiB/s-115MiB/s (121MB/s-121MB/s), io=40.0MiB (41.9MB), run=348-348msec 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