== sanity test 398c: run fio to test AIO ================= 05:23:04 (1761124984) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.25025 s, 168 MB/s osc.lustre-OST0000-osc-ffff9271d1f96000.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=148331: Wed Oct 22 05:23:30 2025 write: IOPS=132, BW=528KiB/s (541kB/s)(10.0MiB/19376msec); 0 zone resets slat (usec): min=20, max=8835, avg=169.82, stdev=362.68 clat (msec): min=25, max=296, avg=120.83, stdev=29.82 lat (msec): min=25, max=297, avg=121.00, stdev=29.84 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 75], 10.00th=[ 83], 20.00th=[ 100], | 30.00th=[ 106], 40.00th=[ 113], 50.00th=[ 121], 60.00th=[ 126], | 70.00th=[ 133], 80.00th=[ 142], 90.00th=[ 155], 95.00th=[ 171], | 99.00th=[ 203], 99.50th=[ 220], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 383, max= 791, per=25.10%, avg=528.13, stdev=81.50, samples=38 iops : min= 95, max= 197, avg=131.66, stdev=20.40, samples=38 lat (msec) : 50=0.82%, 100=19.84%, 250=79.10%, 500=0.23% cpu : usr=0.37%, sys=1.48%, ctx=1127, 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=148332: Wed Oct 22 05:23:30 2025 write: IOPS=131, BW=526KiB/s (539kB/s)(10.0MiB/19463msec); 0 zone resets slat (usec): min=20, max=6580, avg=167.02, stdev=378.43 clat (msec): min=8, max=295, avg=121.25, stdev=30.03 lat (msec): min=9, max=296, avg=121.42, stdev=30.04 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 77], 10.00th=[ 86], 20.00th=[ 99], | 30.00th=[ 108], 40.00th=[ 113], 50.00th=[ 121], 60.00th=[ 127], | 70.00th=[ 132], 80.00th=[ 142], 90.00th=[ 155], 95.00th=[ 169], | 99.00th=[ 201], 99.50th=[ 275], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 382, max= 761, per=25.03%, avg=526.53, stdev=78.15, samples=38 iops : min= 95, max= 190, avg=131.24, stdev=19.59, samples=38 lat (msec) : 10=0.04%, 20=0.04%, 50=0.39%, 100=21.09%, 250=77.81% lat (msec) : 500=0.62% cpu : usr=0.27%, sys=1.52%, ctx=1092, 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=148333: Wed Oct 22 05:23:30 2025 write: IOPS=132, BW=529KiB/s (542kB/s)(10.0MiB/19348msec); 0 zone resets slat (usec): min=21, max=8050, avg=199.78, stdev=419.93 clat (msec): min=10, max=296, avg=120.55, stdev=29.93 lat (msec): min=10, max=296, avg=120.76, stdev=29.94 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 75], 10.00th=[ 84], 20.00th=[ 100], | 30.00th=[ 107], 40.00th=[ 113], 50.00th=[ 118], 60.00th=[ 126], | 70.00th=[ 132], 80.00th=[ 142], 90.00th=[ 157], 95.00th=[ 174], | 99.00th=[ 201], 99.50th=[ 241], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 391, max= 738, per=25.14%, avg=528.92, stdev=76.52, samples=38 iops : min= 97, max= 184, avg=131.84, stdev=19.15, samples=38 lat (msec) : 20=0.04%, 50=0.35%, 100=21.84%, 250=77.58%, 500=0.20% cpu : usr=0.25%, sys=1.87%, ctx=1435, 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=148334: Wed Oct 22 05:23:30 2025 write: IOPS=131, BW=527KiB/s (539kB/s)(10.0MiB/19449msec); 0 zone resets slat (usec): min=21, max=6334, avg=189.40, stdev=436.92 clat (msec): min=16, max=280, avg=121.13, stdev=28.62 lat (msec): min=16, max=280, avg=121.32, stdev=28.63 clat percentiles (msec): | 1.00th=[ 66], 5.00th=[ 77], 10.00th=[ 86], 20.00th=[ 100], | 30.00th=[ 109], 40.00th=[ 114], 50.00th=[ 121], 60.00th=[ 127], | 70.00th=[ 133], 80.00th=[ 142], 90.00th=[ 155], 95.00th=[ 169], | 99.00th=[ 201], 99.50th=[ 241], 99.90th=[ 279], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 391, max= 761, per=24.94%, avg=524.74, stdev=77.75, samples=38 iops : min= 97, max= 190, avg=130.82, stdev=19.49, samples=38 lat (msec) : 20=0.08%, 50=0.27%, 100=20.27%, 250=79.02%, 500=0.35% cpu : usr=0.31%, sys=1.68%, ctx=1295, 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=2105KiB/s (2155kB/s), 526KiB/s-529KiB/s (539kB/s-542kB/s), io=40.0MiB (41.9MB), run=19348-19463msec 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=148347: Wed Oct 22 05:23:54 2025 read: IOPS=67, BW=270KiB/s (277kB/s)(5048KiB/18685msec) slat (usec): min=1919, max=26553, avg=7442.94, stdev=3430.94 clat (msec): min=22, max=218, avg=111.06, stdev=25.64 lat (msec): min=30, max=232, avg=118.51, stdev=26.27 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 73], 10.00th=[ 80], 20.00th=[ 88], | 30.00th=[ 96], 40.00th=[ 103], 50.00th=[ 110], 60.00th=[ 116], | 70.00th=[ 126], 80.00th=[ 133], 90.00th=[ 142], 95.00th=[ 155], | 99.00th=[ 178], 99.50th=[ 188], 99.90th=[ 199], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 184, max= 384, per=25.00%, avg=268.54, stdev=39.22, samples=37 iops : min= 46, max= 96, avg=66.78, stdev= 9.85, samples=37 write: IOPS=69, BW=278KiB/s (285kB/s)(5192KiB/18685msec); 0 zone resets slat (usec): min=22, max=18385, avg=215.62, stdev=643.62 clat (msec): min=47, max=228, avg=113.94, stdev=23.86 lat (msec): min=47, max=228, avg=114.15, stdev=23.87 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 79], 10.00th=[ 85], 20.00th=[ 94], | 30.00th=[ 102], 40.00th=[ 106], 50.00th=[ 113], 60.00th=[ 120], | 70.00th=[ 126], 80.00th=[ 134], 90.00th=[ 146], 95.00th=[ 153], | 99.00th=[ 180], 99.50th=[ 192], 99.90th=[ 213], 99.95th=[ 228], | 99.99th=[ 228] bw ( KiB/s): min= 166, max= 400, per=24.72%, avg=276.32, stdev=51.01, samples=37 iops : min= 41, max= 100, avg=68.68, stdev=12.86, samples=37 lat (msec) : 50=0.23%, 100=31.99%, 250=67.77% cpu : usr=0.40%, sys=3.02%, ctx=2544, 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=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=148348: Wed Oct 22 05:23:54 2025 read: IOPS=66, BW=267KiB/s (274kB/s)(4976KiB/18620msec) slat (usec): min=34, max=23988, avg=7519.90, stdev=3373.93 clat (msec): min=36, max=198, avg=110.19, stdev=24.22 lat (msec): min=40, max=207, avg=117.72, stdev=25.06 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 73], 10.00th=[ 81], 20.00th=[ 90], | 30.00th=[ 97], 40.00th=[ 103], 50.00th=[ 109], 60.00th=[ 115], | 70.00th=[ 123], 80.00th=[ 131], 90.00th=[ 142], 95.00th=[ 150], | 99.00th=[ 176], 99.50th=[ 184], 99.90th=[ 194], 99.95th=[ 199], | 99.99th=[ 199] bw ( KiB/s): min= 175, max= 367, per=24.91%, avg=267.58, stdev=45.82, samples=36 iops : min= 43, max= 91, avg=66.53, stdev=11.55, samples=36 write: IOPS=70, BW=283KiB/s (289kB/s)(5264KiB/18620msec); 0 zone resets slat (usec): min=23, max=4221, avg=189.46, stdev=316.64 clat (msec): min=23, max=198, avg=114.62, stdev=24.17 lat (msec): min=23, max=198, avg=114.82, stdev=24.18 clat percentiles (msec): | 1.00th=[ 63], 5.00th=[ 77], 10.00th=[ 85], 20.00th=[ 95], | 30.00th=[ 103], 40.00th=[ 108], 50.00th=[ 114], 60.00th=[ 121], | 70.00th=[ 128], 80.00th=[ 136], 90.00th=[ 146], 95.00th=[ 155], | 99.00th=[ 174], 99.50th=[ 180], 99.90th=[ 184], 99.95th=[ 199], | 99.99th=[ 199] bw ( KiB/s): min= 174, max= 375, per=25.33%, avg=283.17, stdev=46.21, samples=36 iops : min= 43, max= 93, avg=70.42, stdev=11.61, samples=36 lat (msec) : 50=0.39%, 100=31.21%, 250=68.40% cpu : usr=0.40%, sys=3.11%, ctx=2519, 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=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=148349: Wed Oct 22 05:23:54 2025 read: IOPS=66, BW=267KiB/s (273kB/s)(4984KiB/18684msec) slat (usec): min=1669, max=21408, avg=7366.67, stdev=3221.68 clat (msec): min=7, max=192, avg=109.91, stdev=24.32 lat (msec): min=14, max=202, avg=117.29, stdev=24.93 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 74], 10.00th=[ 81], 20.00th=[ 90], | 30.00th=[ 96], 40.00th=[ 103], 50.00th=[ 109], 60.00th=[ 115], | 70.00th=[ 123], 80.00th=[ 131], 90.00th=[ 142], 95.00th=[ 153], | 99.00th=[ 169], 99.50th=[ 178], 99.90th=[ 190], 99.95th=[ 192], | 99.99th=[ 192] bw ( KiB/s): min= 182, max= 408, per=24.79%, avg=266.27, stdev=55.22, samples=37 iops : min= 45, max= 102, avg=66.19, stdev=13.94, samples=37 write: IOPS=70, BW=281KiB/s (288kB/s)(5256KiB/18684msec); 0 zone resets slat (usec): min=26, max=10384, avg=233.91, stdev=576.89 clat (msec): min=42, max=184, avg=115.19, stdev=23.26 lat (msec): min=42, max=184, avg=115.43, stdev=23.27 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 80], 10.00th=[ 87], 20.00th=[ 95], | 30.00th=[ 102], 40.00th=[ 108], 50.00th=[ 114], 60.00th=[ 121], | 70.00th=[ 128], 80.00th=[ 136], 90.00th=[ 146], 95.00th=[ 155], | 99.00th=[ 171], 99.50th=[ 176], 99.90th=[ 182], 99.95th=[ 184], | 99.99th=[ 184] bw ( KiB/s): min= 190, max= 373, per=24.91%, avg=278.51, stdev=41.68, samples=37 iops : min= 47, max= 93, avg=69.27, stdev=10.44, samples=37 lat (msec) : 10=0.04%, 20=0.04%, 50=0.16%, 100=31.45%, 250=68.32% cpu : usr=0.44%, sys=2.95%, ctx=2444, 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=148350: Wed Oct 22 05:23:54 2025 read: IOPS=67, BW=271KiB/s (278kB/s)(5060KiB/18641msec) slat (usec): min=1546, max=24850, avg=7550.45, stdev=3352.45 clat (msec): min=19, max=191, avg=110.55, stdev=25.04 lat (msec): min=29, max=201, avg=118.11, stdev=25.85 clat percentiles (msec): | 1.00th=[ 61], 5.00th=[ 72], 10.00th=[ 79], 20.00th=[ 90], | 30.00th=[ 97], 40.00th=[ 104], 50.00th=[ 110], 60.00th=[ 116], | 70.00th=[ 123], 80.00th=[ 132], 90.00th=[ 144], 95.00th=[ 155], | 99.00th=[ 174], 99.50th=[ 178], 99.90th=[ 188], 99.95th=[ 192], | 99.99th=[ 192] bw ( KiB/s): min= 168, max= 368, per=25.35%, avg=272.31, stdev=46.44, samples=36 iops : min= 42, max= 92, avg=67.69, stdev=11.67, samples=36 write: IOPS=69, BW=278KiB/s (285kB/s)(5180KiB/18641msec); 0 zone resets slat (usec): min=27, max=7851, avg=219.01, stdev=475.44 clat (msec): min=20, max=200, avg=113.96, stdev=24.13 lat (msec): min=21, max=200, avg=114.18, stdev=24.15 clat percentiles (msec): | 1.00th=[ 62], 5.00th=[ 79], 10.00th=[ 85], 20.00th=[ 94], | 30.00th=[ 101], 40.00th=[ 107], 50.00th=[ 112], 60.00th=[ 120], | 70.00th=[ 127], 80.00th=[ 136], 90.00th=[ 146], 95.00th=[ 157], | 99.00th=[ 174], 99.50th=[ 176], 99.90th=[ 194], 99.95th=[ 201], | 99.99th=[ 201] bw ( KiB/s): min= 182, max= 376, per=24.80%, avg=277.28, stdev=51.90, samples=36 iops : min= 45, max= 94, avg=68.92, stdev=13.12, samples=36 lat (msec) : 20=0.04%, 50=0.27%, 100=31.52%, 250=68.16% cpu : usr=0.42%, sys=2.92%, ctx=2465, 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=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=1074KiB/s (1100kB/s), 267KiB/s-271KiB/s (273kB/s-278kB/s), io=19.6MiB (20.5MB), run=18620-18685msec WRITE: bw=1118KiB/s (1145kB/s), 278KiB/s-283KiB/s (285kB/s-289kB/s), io=20.4MiB (21.4MB), run=18620-18685msec 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=148356: Wed Oct 22 05:24:02 2025 read: IOPS=3, BW=138MiB/s (145MB/s)(40.0MiB/290msec) slat (nsec): min=41020k, max=41020k, avg=41020218.00, stdev= 0.00 clat (nsec): min=228161k, max=228161k, avg=228160558.00, stdev= 0.00 lat (nsec): min=269186k, max=269186k, avg=269185931.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 228], 5.00th=[ 228], 10.00th=[ 228], 20.00th=[ 228], | 30.00th=[ 228], 40.00th=[ 228], 50.00th=[ 228], 60.00th=[ 228], | 70.00th=[ 228], 80.00th=[ 228], 90.00th=[ 228], 95.00th=[ 228], | 99.00th=[ 228], 99.50th=[ 228], 99.90th=[ 228], 99.95th=[ 228], | 99.99th=[ 228] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=6.23%, 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=138MiB/s (145MB/s), 138MiB/s-138MiB/s (145MB/s-145MB/s), io=40.0MiB (41.9MB), run=290-290msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck