== sanity test 398c: run fio to test AIO ================= 20:59:03 (1782867543) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.250678 s, 167 MB/s osc.lustre-OST0000-osc-ffff9d9383eeb800.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=159549: Tue Jun 30 20:59:51 2026 write: IOPS=58, BW=232KiB/s (238kB/s)(10.0MiB/44079msec); 0 zone resets slat (usec): min=60, max=1255, avg=295.47, stdev=145.47 clat (msec): min=68, max=527, avg=274.81, stdev=88.02 lat (msec): min=69, max=527, avg=275.11, stdev=88.07 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 153], 10.00th=[ 171], 20.00th=[ 197], | 30.00th=[ 220], 40.00th=[ 245], 50.00th=[ 268], 60.00th=[ 288], | 70.00th=[ 317], 80.00th=[ 359], 90.00th=[ 401], 95.00th=[ 430], | 99.00th=[ 485], 99.50th=[ 502], 99.90th=[ 523], 99.95th=[ 527], | 99.99th=[ 527] bw ( KiB/s): min= 128, max= 512, per=24.94%, avg=231.45, stdev=73.02, samples=87 iops : min= 32, max= 128, avg=57.86, stdev=18.26, samples=87 lat (msec) : 100=1.21%, 250=40.78%, 500=57.42%, 750=0.59% cpu : usr=0.10%, sys=1.38%, ctx=2864, 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=159550: Tue Jun 30 20:59:51 2026 write: IOPS=58, BW=232KiB/s (238kB/s)(10.0MiB/44098msec); 0 zone resets slat (usec): min=49, max=1052, avg=298.60, stdev=150.28 clat (msec): min=69, max=539, avg=275.02, stdev=88.96 lat (msec): min=69, max=539, avg=275.32, stdev=89.01 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 153], 10.00th=[ 171], 20.00th=[ 197], | 30.00th=[ 218], 40.00th=[ 245], 50.00th=[ 268], 60.00th=[ 288], | 70.00th=[ 317], 80.00th=[ 359], 90.00th=[ 401], 95.00th=[ 430], | 99.00th=[ 489], 99.50th=[ 510], 99.90th=[ 527], 99.95th=[ 527], | 99.99th=[ 542] bw ( KiB/s): min= 128, max= 512, per=24.93%, avg=231.36, stdev=73.31, samples=87 iops : min= 32, max= 128, avg=57.84, stdev=18.33, samples=87 lat (msec) : 100=1.29%, 250=40.66%, 500=57.27%, 750=0.78% cpu : usr=0.12%, sys=1.33%, ctx=2925, 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=159551: Tue Jun 30 20:59:51 2026 write: IOPS=58, BW=233KiB/s (238kB/s)(10.0MiB/43983msec); 0 zone resets slat (usec): min=54, max=1539, avg=287.24, stdev=144.33 clat (msec): min=29, max=522, avg=274.45, stdev=89.74 lat (msec): min=29, max=523, avg=274.74, stdev=89.79 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 142], 10.00th=[ 169], 20.00th=[ 197], | 30.00th=[ 218], 40.00th=[ 243], 50.00th=[ 266], 60.00th=[ 292], | 70.00th=[ 321], 80.00th=[ 359], 90.00th=[ 401], 95.00th=[ 430], | 99.00th=[ 493], 99.50th=[ 502], 99.90th=[ 518], 99.95th=[ 523], | 99.99th=[ 523] bw ( KiB/s): min= 128, max= 563, per=24.97%, avg=231.76, stdev=75.63, samples=87 iops : min= 32, max= 140, avg=57.93, stdev=18.87, samples=87 lat (msec) : 50=0.04%, 100=1.91%, 250=40.70%, 500=56.56%, 750=0.78% cpu : usr=0.12%, sys=1.28%, ctx=2910, 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=159552: Tue Jun 30 20:59:51 2026 write: IOPS=58, BW=232KiB/s (238kB/s)(10.0MiB/44097msec); 0 zone resets slat (usec): min=55, max=1314, avg=294.41, stdev=143.25 clat (msec): min=68, max=539, avg=274.90, stdev=88.66 lat (msec): min=68, max=540, avg=275.20, stdev=88.72 clat percentiles (msec): | 1.00th=[ 93], 5.00th=[ 148], 10.00th=[ 169], 20.00th=[ 197], | 30.00th=[ 220], 40.00th=[ 245], 50.00th=[ 268], 60.00th=[ 288], | 70.00th=[ 317], 80.00th=[ 359], 90.00th=[ 401], 95.00th=[ 430], | 99.00th=[ 481], 99.50th=[ 502], 99.90th=[ 523], 99.95th=[ 527], | 99.99th=[ 542] bw ( KiB/s): min= 128, max= 512, per=24.93%, avg=231.36, stdev=73.39, samples=87 iops : min= 32, max= 128, avg=57.84, stdev=18.35, samples=87 lat (msec) : 100=1.21%, 250=40.39%, 500=57.89%, 750=0.51% cpu : usr=0.12%, sys=1.34%, ctx=2894, 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=929KiB/s (951kB/s), 232KiB/s-233KiB/s (238kB/s-238kB/s), io=40.0MiB (41.9MB), run=43983-44098msec 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=159568: Tue Jun 30 21:00:17 2026 read: IOPS=55, BW=223KiB/s (229kB/s)(5048KiB/22587msec) slat (usec): min=1023, max=9533, avg=3093.19, stdev=1196.77 clat (msec): min=6, max=187, avg=87.17, stdev=15.44 lat (msec): min=8, max=190, avg=90.26, stdev=15.54 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 65], 10.00th=[ 69], 20.00th=[ 75], | 30.00th=[ 80], 40.00th=[ 85], 50.00th=[ 88], 60.00th=[ 92], | 70.00th=[ 95], 80.00th=[ 100], 90.00th=[ 105], 95.00th=[ 109], | 99.00th=[ 121], 99.50th=[ 129], 99.90th=[ 167], 99.95th=[ 188], | 99.99th=[ 188] bw ( KiB/s): min= 144, max= 304, per=25.10%, avg=222.66, stdev=47.01, samples=44 iops : min= 36, max= 76, avg=55.66, stdev=11.76, samples=44 write: IOPS=57, BW=230KiB/s (235kB/s)(5192KiB/22587msec); 0 zone resets slat (usec): min=46, max=781, avg=167.91, stdev=79.27 clat (msec): min=61, max=293, avg=189.23, stdev=40.05 lat (msec): min=61, max=293, avg=189.40, stdev=40.05 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 128], 10.00th=[ 140], 20.00th=[ 155], | 30.00th=[ 165], 40.00th=[ 176], 50.00th=[ 188], 60.00th=[ 201], | 70.00th=[ 211], 80.00th=[ 224], 90.00th=[ 243], 95.00th=[ 262], | 99.00th=[ 284], 99.50th=[ 288], 99.90th=[ 292], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 160, max= 296, per=24.93%, avg=230.07, stdev=33.76, samples=44 iops : min= 40, max= 74, avg=57.50, stdev= 8.48, samples=44 lat (msec) : 10=0.12%, 20=0.23%, 50=0.16%, 100=40.04%, 250=55.78% lat (msec) : 500=3.67% cpu : usr=0.08%, sys=1.85%, ctx=5050, 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=159569: Tue Jun 30 21:00:17 2026 read: IOPS=54, BW=220KiB/s (225kB/s)(4976KiB/22623msec) slat (usec): min=1057, max=9620, avg=3114.81, stdev=1181.49 clat (msec): min=4, max=134, avg=87.39, stdev=14.44 lat (msec): min=7, max=136, avg=90.50, stdev=14.58 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 66], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 82], 40.00th=[ 85], 50.00th=[ 89], 60.00th=[ 92], | 70.00th=[ 95], 80.00th=[ 100], 90.00th=[ 105], 95.00th=[ 110], | 99.00th=[ 121], 99.50th=[ 124], 99.90th=[ 130], 99.95th=[ 136], | 99.99th=[ 136] bw ( KiB/s): min= 112, max= 312, per=24.70%, avg=219.11, stdev=53.35, samples=44 iops : min= 28, max= 78, avg=54.77, stdev=13.34, samples=44 write: IOPS=58, BW=233KiB/s (238kB/s)(5264KiB/22623msec); 0 zone resets slat (usec): min=57, max=608, avg=169.69, stdev=79.01 clat (msec): min=47, max=304, avg=188.57, stdev=41.46 lat (msec): min=48, max=304, avg=188.74, stdev=41.46 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 125], 10.00th=[ 138], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 178], 50.00th=[ 188], 60.00th=[ 199], | 70.00th=[ 211], 80.00th=[ 224], 90.00th=[ 245], 95.00th=[ 259], | 99.00th=[ 284], 99.50th=[ 292], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 176, max= 296, per=25.09%, avg=231.57, stdev=29.88, samples=44 iops : min= 44, max= 74, avg=57.89, stdev= 7.48, samples=44 lat (msec) : 10=0.12%, 20=0.16%, 50=0.12%, 100=40.43%, 250=55.47% lat (msec) : 500=3.71% cpu : usr=0.12%, sys=1.81%, ctx=4960, 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=159570: Tue Jun 30 21:00:17 2026 read: IOPS=55, BW=221KiB/s (226kB/s)(4984KiB/22573msec) slat (usec): min=70, max=8871, avg=3176.90, stdev=1158.53 clat (msec): min=7, max=205, avg=86.72, stdev=16.24 lat (msec): min=11, max=209, avg=89.90, stdev=16.43 clat percentiles (msec): | 1.00th=[ 20], 5.00th=[ 64], 10.00th=[ 70], 20.00th=[ 77], | 30.00th=[ 81], 40.00th=[ 84], 50.00th=[ 88], 60.00th=[ 92], | 70.00th=[ 95], 80.00th=[ 100], 90.00th=[ 105], 95.00th=[ 109], | 99.00th=[ 120], 99.50th=[ 125], 99.90th=[ 190], 99.95th=[ 205], | 99.99th=[ 205] bw ( KiB/s): min= 112, max= 320, per=24.97%, avg=221.48, stdev=49.92, samples=44 iops : min= 28, max= 80, avg=55.36, stdev=12.48, samples=44 write: IOPS=58, BW=233KiB/s (238kB/s)(5256KiB/22573msec); 0 zone resets slat (usec): min=53, max=3774, avg=173.34, stdev=126.84 clat (msec): min=72, max=305, avg=189.10, stdev=41.47 lat (msec): min=72, max=305, avg=189.27, stdev=41.46 clat percentiles (msec): | 1.00th=[ 92], 5.00th=[ 124], 10.00th=[ 138], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 180], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 211], 80.00th=[ 224], 90.00th=[ 243], 95.00th=[ 262], | 99.00th=[ 288], 99.50th=[ 292], 99.90th=[ 300], 99.95th=[ 305], | 99.99th=[ 305] bw ( KiB/s): min= 184, max= 296, per=25.13%, avg=231.95, stdev=29.24, samples=44 iops : min= 46, max= 74, avg=57.98, stdev= 7.30, samples=44 lat (msec) : 10=0.08%, 20=0.43%, 50=0.27%, 100=39.92%, 250=55.20% lat (msec) : 500=4.10% cpu : usr=0.13%, sys=1.80%, ctx=4996, 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=159571: Tue Jun 30 21:00:17 2026 read: IOPS=55, BW=224KiB/s (229kB/s)(5060KiB/22599msec) slat (usec): min=1021, max=9664, avg=3120.79, stdev=1211.67 clat (msec): min=6, max=160, avg=87.67, stdev=15.27 lat (msec): min=8, max=163, avg=90.79, stdev=15.37 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 65], 10.00th=[ 69], 20.00th=[ 77], | 30.00th=[ 81], 40.00th=[ 85], 50.00th=[ 89], 60.00th=[ 92], | 70.00th=[ 95], 80.00th=[ 101], 90.00th=[ 106], 95.00th=[ 109], | 99.00th=[ 122], 99.50th=[ 125], 99.90th=[ 159], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 136, max= 320, per=25.23%, avg=223.75, stdev=43.96, samples=44 iops : min= 34, max= 80, avg=55.93, stdev=10.99, samples=44 write: IOPS=57, BW=229KiB/s (235kB/s)(5180KiB/22599msec); 0 zone resets slat (usec): min=47, max=3993, avg=174.96, stdev=131.66 clat (msec): min=68, max=306, avg=189.13, stdev=40.01 lat (msec): min=68, max=306, avg=189.31, stdev=40.01 clat percentiles (msec): | 1.00th=[ 110], 5.00th=[ 125], 10.00th=[ 140], 20.00th=[ 157], | 30.00th=[ 165], 40.00th=[ 178], 50.00th=[ 190], 60.00th=[ 199], | 70.00th=[ 211], 80.00th=[ 224], 90.00th=[ 243], 95.00th=[ 259], | 99.00th=[ 279], 99.50th=[ 284], 99.90th=[ 296], 99.95th=[ 309], | 99.99th=[ 309] bw ( KiB/s): min= 163, max= 312, per=24.69%, avg=227.89, stdev=28.26, samples=44 iops : min= 40, max= 78, avg=56.95, stdev= 7.11, samples=44 lat (msec) : 10=0.08%, 20=0.23%, 50=0.20%, 100=39.45%, 250=56.29% lat (msec) : 500=3.75% cpu : usr=0.15%, sys=1.80%, ctx=5055, 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=887KiB/s (908kB/s), 220KiB/s-224KiB/s (225kB/s-229kB/s), io=19.6MiB (20.5MB), run=22573-22623msec WRITE: bw=923KiB/s (946kB/s), 229KiB/s-233KiB/s (235kB/s-238kB/s), io=20.4MiB (21.4MB), run=22573-22623msec 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=159578: Tue Jun 30 21:00:20 2026 read: IOPS=5, BW=217MiB/s (228MB/s)(40.0MiB/184msec) slat (nsec): min=8897.4k, max=8897.4k, avg=8897392.00, stdev= 0.00 clat (nsec): min=167962k, max=167962k, avg=167962235.00, stdev= 0.00 lat (nsec): min=176862k, max=176862k, avg=176861952.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 169], 5.00th=[ 169], 10.00th=[ 169], 20.00th=[ 169], | 30.00th=[ 169], 40.00th=[ 169], 50.00th=[ 169], 60.00th=[ 169], | 70.00th=[ 169], 80.00th=[ 169], 90.00th=[ 169], 95.00th=[ 169], | 99.00th=[ 169], 99.50th=[ 169], 99.90th=[ 169], 99.95th=[ 169], | 99.99th=[ 169] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=4.37%, ctx=25, 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=217MiB/s (228MB/s), 217MiB/s-217MiB/s (228MB/s-228MB/s), io=40.0MiB (41.9MB), run=184-184msec 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