== sanity test 398c: run fio to test AIO ================= 23:33:05 (1788751985) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.514185 s, 81.6 MB/s osc.lustre-OST0000-osc-ffff952f49b86000.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=179774: Sun Sep 6 23:33:33 2026 write: IOPS=135, BW=541KiB/s (554kB/s)(10.0MiB/18932msec); 0 zone resets slat (usec): min=21, max=6564, avg=136.31, stdev=407.87 clat (msec): min=13, max=237, avg=117.62, stdev=25.55 lat (msec): min=13, max=237, avg=117.76, stdev=25.55 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 82], 10.00th=[ 89], 20.00th=[ 97], | 30.00th=[ 105], 40.00th=[ 110], 50.00th=[ 113], 60.00th=[ 121], | 70.00th=[ 128], 80.00th=[ 138], 90.00th=[ 155], 95.00th=[ 167], | 99.00th=[ 188], 99.50th=[ 207], 99.90th=[ 215], 99.95th=[ 215], | 99.99th=[ 239] bw ( KiB/s): min= 383, max= 764, per=25.15%, avg=542.38, stdev=90.10, samples=37 iops : min= 95, max= 191, avg=135.38, stdev=22.62, samples=37 lat (msec) : 20=0.04%, 100=25.16%, 250=74.80% cpu : usr=0.19%, sys=1.00%, ctx=1396, 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=179775: Sun Sep 6 23:33:33 2026 write: IOPS=135, BW=541KiB/s (554kB/s)(10.0MiB/18933msec); 0 zone resets slat (usec): min=22, max=8195, avg=174.13, stdev=508.17 clat (msec): min=27, max=219, avg=117.91, stdev=25.31 lat (msec): min=27, max=219, avg=118.08, stdev=25.32 clat percentiles (msec): | 1.00th=[ 73], 5.00th=[ 82], 10.00th=[ 89], 20.00th=[ 97], | 30.00th=[ 104], 40.00th=[ 108], 50.00th=[ 115], 60.00th=[ 122], | 70.00th=[ 129], 80.00th=[ 138], 90.00th=[ 153], 95.00th=[ 165], | 99.00th=[ 192], 99.50th=[ 197], 99.90th=[ 209], 99.95th=[ 211], | 99.99th=[ 220] bw ( KiB/s): min= 367, max= 709, per=25.09%, avg=541.16, stdev=81.74, samples=37 iops : min= 91, max= 177, avg=135.03, stdev=20.53, samples=37 lat (msec) : 50=0.16%, 100=24.53%, 250=75.31% cpu : usr=0.22%, sys=1.49%, ctx=2776, 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=179776: Sun Sep 6 23:33:33 2026 write: IOPS=134, BW=539KiB/s (552kB/s)(10.0MiB/18985msec); 0 zone resets slat (usec): min=22, max=38547, avg=181.84, stdev=950.45 clat (msec): min=21, max=224, avg=117.83, stdev=25.21 lat (msec): min=21, max=225, avg=118.01, stdev=25.21 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 83], 10.00th=[ 87], 20.00th=[ 99], | 30.00th=[ 104], 40.00th=[ 109], 50.00th=[ 115], 60.00th=[ 123], | 70.00th=[ 128], 80.00th=[ 138], 90.00th=[ 150], 95.00th=[ 165], | 99.00th=[ 188], 99.50th=[ 211], 99.90th=[ 226], 99.95th=[ 226], | 99.99th=[ 226] bw ( KiB/s): min= 295, max= 733, per=24.92%, avg=537.51, stdev=90.71, samples=37 iops : min= 73, max= 183, avg=134.11, stdev=22.73, samples=37 lat (msec) : 50=0.04%, 100=23.12%, 250=76.84% cpu : usr=0.35%, sys=1.42%, ctx=2732, 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 rand-write: (groupid=0, jobs=1): err= 0: pid=179777: Sun Sep 6 23:33:33 2026 write: IOPS=134, BW=539KiB/s (552kB/s)(10.0MiB/18981msec); 0 zone resets slat (usec): min=22, max=33159, avg=176.28, stdev=789.02 clat (msec): min=20, max=217, avg=117.87, stdev=25.20 lat (msec): min=21, max=217, avg=118.05, stdev=25.21 clat percentiles (msec): | 1.00th=[ 72], 5.00th=[ 83], 10.00th=[ 89], 20.00th=[ 97], | 30.00th=[ 103], 40.00th=[ 109], 50.00th=[ 115], 60.00th=[ 122], | 70.00th=[ 128], 80.00th=[ 138], 90.00th=[ 155], 95.00th=[ 165], | 99.00th=[ 184], 99.50th=[ 199], 99.90th=[ 209], 99.95th=[ 209], | 99.99th=[ 218] bw ( KiB/s): min= 381, max= 680, per=25.05%, avg=540.32, stdev=78.58, samples=37 iops : min= 95, max= 170, avg=134.86, stdev=19.73, samples=37 lat (msec) : 50=0.12%, 100=25.12%, 250=74.77% cpu : usr=0.21%, sys=1.42%, ctx=2646, 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=2157KiB/s (2209kB/s), 539KiB/s-541KiB/s (552kB/s-554kB/s), io=40.0MiB (41.9MB), run=18932-18985msec 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=179789: Sun Sep 6 23:34:01 2026 read: IOPS=58, BW=234KiB/s (240kB/s)(5048KiB/21532msec) slat (usec): min=2278, max=52762, avg=9506.95, stdev=5492.15 clat (msec): min=19, max=268, avg=127.03, stdev=36.15 lat (msec): min=23, max=282, avg=136.55, stdev=37.82 clat percentiles (msec): | 1.00th=[ 67], 5.00th=[ 78], 10.00th=[ 84], 20.00th=[ 95], | 30.00th=[ 105], 40.00th=[ 114], 50.00th=[ 123], 60.00th=[ 133], | 70.00th=[ 144], 80.00th=[ 157], 90.00th=[ 178], 95.00th=[ 194], | 99.00th=[ 222], 99.50th=[ 236], 99.90th=[ 266], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 119, max= 362, per=24.85%, avg=231.64, stdev=55.85, samples=42 iops : min= 29, max= 90, avg=57.50, stdev=13.95, samples=42 write: IOPS=60, BW=241KiB/s (247kB/s)(5192KiB/21532msec); 0 zone resets slat (usec): min=29, max=5396, avg=169.58, stdev=369.89 clat (msec): min=53, max=284, avg=130.13, stdev=36.96 lat (msec): min=53, max=284, avg=130.30, stdev=36.95 clat percentiles (msec): | 1.00th=[ 73], 5.00th=[ 81], 10.00th=[ 88], 20.00th=[ 95], | 30.00th=[ 106], 40.00th=[ 116], 50.00th=[ 126], 60.00th=[ 136], | 70.00th=[ 148], 80.00th=[ 161], 90.00th=[ 182], 95.00th=[ 199], | 99.00th=[ 236], 99.50th=[ 241], 99.90th=[ 275], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 119, max= 392, per=24.60%, avg=238.67, stdev=62.05, samples=42 iops : min= 29, max= 98, avg=59.29, stdev=15.50, samples=42 lat (msec) : 20=0.04%, 50=0.04%, 100=24.80%, 250=74.77%, 500=0.35% cpu : usr=0.33%, sys=2.03%, ctx=4679, 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=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=179790: Sun Sep 6 23:34:01 2026 read: IOPS=58, BW=233KiB/s (239kB/s)(4976KiB/21328msec) slat (usec): min=40, max=42711, avg=9600.55, stdev=5615.71 clat (msec): min=13, max=282, avg=126.02, stdev=36.64 lat (msec): min=14, max=295, avg=135.63, stdev=38.70 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 78], 10.00th=[ 85], 20.00th=[ 94], | 30.00th=[ 103], 40.00th=[ 112], 50.00th=[ 122], 60.00th=[ 131], | 70.00th=[ 144], 80.00th=[ 157], 90.00th=[ 178], 95.00th=[ 190], | 99.00th=[ 224], 99.50th=[ 232], 99.90th=[ 264], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 119, max= 401, per=24.88%, avg=231.88, stdev=61.63, samples=42 iops : min= 29, max= 100, avg=57.57, stdev=15.46, samples=42 write: IOPS=61, BW=247KiB/s (253kB/s)(5264KiB/21328msec); 0 zone resets slat (usec): min=26, max=6219, avg=165.57, stdev=349.95 clat (msec): min=19, max=285, avg=130.55, stdev=36.76 lat (msec): min=19, max=285, avg=130.72, stdev=36.76 clat percentiles (msec): | 1.00th=[ 71], 5.00th=[ 82], 10.00th=[ 87], 20.00th=[ 96], | 30.00th=[ 107], 40.00th=[ 116], 50.00th=[ 127], 60.00th=[ 138], | 70.00th=[ 150], 80.00th=[ 163], 90.00th=[ 180], 95.00th=[ 199], | 99.00th=[ 226], 99.50th=[ 243], 99.90th=[ 279], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 128, max= 373, per=25.36%, avg=246.02, stdev=63.57, samples=42 iops : min= 32, max= 93, avg=61.14, stdev=15.86, samples=42 lat (msec) : 20=0.23%, 50=0.12%, 100=25.39%, 250=73.95%, 500=0.31% cpu : usr=0.30%, sys=2.11%, ctx=4517, 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=179791: Sun Sep 6 23:34:01 2026 read: IOPS=57, BW=232KiB/s (237kB/s)(4984KiB/21526msec) slat (usec): min=2145, max=50667, avg=9716.66, stdev=5767.24 clat (msec): min=9, max=276, avg=128.63, stdev=36.67 lat (msec): min=17, max=293, avg=138.35, stdev=38.48 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 81], 10.00th=[ 85], 20.00th=[ 95], | 30.00th=[ 106], 40.00th=[ 116], 50.00th=[ 125], 60.00th=[ 136], | 70.00th=[ 144], 80.00th=[ 159], 90.00th=[ 180], 95.00th=[ 199], | 99.00th=[ 230], 99.50th=[ 236], 99.90th=[ 253], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 149, max= 376, per=24.70%, avg=230.19, stdev=52.82, samples=42 iops : min= 37, max= 94, avg=57.14, stdev=13.24, samples=42 write: IOPS=61, BW=244KiB/s (250kB/s)(5256KiB/21526msec); 0 zone resets slat (usec): min=24, max=6173, avg=171.25, stdev=387.44 clat (msec): min=60, max=251, avg=129.09, stdev=35.71 lat (msec): min=60, max=251, avg=129.26, stdev=35.72 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 80], 10.00th=[ 87], 20.00th=[ 96], | 30.00th=[ 106], 40.00th=[ 115], 50.00th=[ 127], 60.00th=[ 136], | 70.00th=[ 146], 80.00th=[ 159], 90.00th=[ 178], 95.00th=[ 192], | 99.00th=[ 224], 99.50th=[ 239], 99.90th=[ 251], 99.95th=[ 251], | 99.99th=[ 251] bw ( KiB/s): min= 111, max= 456, per=24.79%, avg=240.48, stdev=69.28, samples=42 iops : min= 27, max= 114, avg=59.74, stdev=17.29, samples=42 lat (msec) : 10=0.04%, 50=0.04%, 100=25.08%, 250=74.65%, 500=0.20% cpu : usr=0.33%, sys=2.01%, ctx=4645, 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=179792: Sun Sep 6 23:34:01 2026 read: IOPS=58, BW=236KiB/s (241kB/s)(5060KiB/21486msec) slat (usec): min=2163, max=54754, avg=9724.19, stdev=5558.24 clat (msec): min=16, max=269, avg=126.75, stdev=35.62 lat (msec): min=34, max=283, avg=136.48, stdev=37.41 clat percentiles (msec): | 1.00th=[ 69], 5.00th=[ 79], 10.00th=[ 85], 20.00th=[ 94], | 30.00th=[ 104], 40.00th=[ 114], 50.00th=[ 124], 60.00th=[ 133], | 70.00th=[ 144], 80.00th=[ 155], 90.00th=[ 176], 95.00th=[ 190], | 99.00th=[ 222], 99.50th=[ 232], 99.90th=[ 268], 99.95th=[ 271], | 99.99th=[ 271] bw ( KiB/s): min= 119, max= 400, per=25.08%, avg=233.76, stdev=62.84, samples=42 iops : min= 29, max= 100, avg=58.02, stdev=15.76, samples=42 write: IOPS=60, BW=241KiB/s (247kB/s)(5180KiB/21486msec); 0 zone resets slat (usec): min=26, max=6454, avg=156.76, stdev=349.23 clat (msec): min=21, max=246, avg=130.56, stdev=35.60 lat (msec): min=21, max=246, avg=130.72, stdev=35.59 clat percentiles (msec): | 1.00th=[ 68], 5.00th=[ 81], 10.00th=[ 87], 20.00th=[ 96], | 30.00th=[ 109], 40.00th=[ 118], 50.00th=[ 129], 60.00th=[ 138], | 70.00th=[ 148], 80.00th=[ 163], 90.00th=[ 180], 95.00th=[ 192], | 99.00th=[ 220], 99.50th=[ 226], 99.90th=[ 247], 99.95th=[ 247], | 99.99th=[ 247] bw ( KiB/s): min= 136, max= 393, per=24.55%, avg=238.10, stdev=55.76, samples=42 iops : min= 34, max= 98, avg=59.12, stdev=13.90, samples=42 lat (msec) : 20=0.04%, 50=0.12%, 100=24.49%, 250=75.23%, 500=0.12% cpu : usr=0.28%, sys=1.99%, ctx=4152, 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=932KiB/s (954kB/s), 232KiB/s-236KiB/s (237kB/s-241kB/s), io=19.6MiB (20.5MB), run=21328-21532msec WRITE: bw=970KiB/s (994kB/s), 241KiB/s-247KiB/s (247kB/s-253kB/s), io=20.4MiB (21.4MB), run=21328-21532msec 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=179800: Sun Sep 6 23:34:07 2026 read: IOPS=2, BW=116MiB/s (121MB/s)(40.0MiB/346msec) slat (nsec): min=24335k, max=24335k, avg=24335049.00, stdev= 0.00 clat (nsec): min=305540k, max=305540k, avg=305539632.00, stdev= 0.00 lat (nsec): min=329880k, max=329880k, avg=329880018.00, 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=3.48%, ctx=10, 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=116MiB/s (121MB/s), 116MiB/s-116MiB/s (121MB/s-121MB/s), io=40.0MiB (41.9MB), run=346-346msec 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