== sanity test 398c: run fio to test AIO ================= 16:48:36 (1784234916) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.145427 s, 288 MB/s osc.lustre-OST0000-osc-ffff95d5d8626000.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=152650: Thu Jul 16 16:49:14 2026 write: IOPS=74, BW=298KiB/s (306kB/s)(10.0MiB/34316msec); 0 zone resets slat (usec): min=37, max=917, avg=237.51, stdev=113.83 clat (msec): min=38, max=406, avg=214.10, stdev=40.24 lat (msec): min=38, max=407, avg=214.33, stdev=40.27 clat percentiles (msec): | 1.00th=[ 103], 5.00th=[ 153], 10.00th=[ 171], 20.00th=[ 186], | 30.00th=[ 197], 40.00th=[ 205], 50.00th=[ 215], 60.00th=[ 226], | 70.00th=[ 236], 80.00th=[ 247], 90.00th=[ 264], 95.00th=[ 275], | 99.00th=[ 296], 99.50th=[ 305], 99.90th=[ 368], 99.95th=[ 393], | 99.99th=[ 405] bw ( KiB/s): min= 224, max= 512, per=25.02%, avg=297.53, stdev=47.65, samples=68 iops : min= 56, max= 128, avg=74.38, stdev=11.91, samples=68 lat (msec) : 50=0.62%, 250=82.58%, 500=16.80% cpu : usr=0.14%, sys=1.47%, ctx=2819, 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=152651: Thu Jul 16 16:49:14 2026 write: IOPS=74, BW=297KiB/s (305kB/s)(10.0MiB/34421msec); 0 zone resets slat (usec): min=41, max=952, avg=238.56, stdev=113.67 clat (msec): min=43, max=391, avg=214.68, stdev=40.08 lat (msec): min=43, max=391, avg=214.92, stdev=40.10 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 144], 10.00th=[ 169], 20.00th=[ 186], | 30.00th=[ 197], 40.00th=[ 205], 50.00th=[ 215], 60.00th=[ 226], | 70.00th=[ 236], 80.00th=[ 249], 90.00th=[ 264], 95.00th=[ 275], | 99.00th=[ 300], 99.50th=[ 313], 99.90th=[ 376], 99.95th=[ 376], | 99.99th=[ 393] bw ( KiB/s): min= 216, max= 512, per=24.97%, avg=296.94, stdev=47.57, samples=68 iops : min= 54, max= 128, avg=74.24, stdev=11.89, samples=68 lat (msec) : 50=0.04%, 100=1.25%, 250=80.35%, 500=18.36% cpu : usr=0.14%, sys=1.44%, ctx=2977, 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=152652: Thu Jul 16 16:49:14 2026 write: IOPS=74, BW=298KiB/s (305kB/s)(10.0MiB/34383msec); 0 zone resets slat (usec): min=59, max=936, avg=248.52, stdev=107.94 clat (msec): min=22, max=393, avg=214.40, stdev=39.24 lat (msec): min=22, max=393, avg=214.65, stdev=39.24 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 144], 10.00th=[ 169], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 205], 50.00th=[ 215], 60.00th=[ 226], | 70.00th=[ 236], 80.00th=[ 249], 90.00th=[ 264], 95.00th=[ 275], | 99.00th=[ 296], 99.50th=[ 309], 99.90th=[ 330], 99.95th=[ 338], | 99.99th=[ 393] bw ( KiB/s): min= 240, max= 480, per=24.99%, avg=297.18, stdev=46.16, samples=68 iops : min= 60, max= 120, avg=74.29, stdev=11.54, samples=68 lat (msec) : 50=0.08%, 100=0.27%, 250=81.45%, 500=18.20% cpu : usr=0.14%, sys=1.49%, ctx=3007, 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=152653: Thu Jul 16 16:49:14 2026 write: IOPS=74, BW=297KiB/s (305kB/s)(10.0MiB/34421msec); 0 zone resets slat (usec): min=50, max=1527, avg=244.51, stdev=111.66 clat (msec): min=57, max=329, avg=214.63, stdev=38.37 lat (msec): min=57, max=329, avg=214.87, stdev=38.38 clat percentiles (msec): | 1.00th=[ 105], 5.00th=[ 148], 10.00th=[ 169], 20.00th=[ 184], | 30.00th=[ 197], 40.00th=[ 207], 50.00th=[ 218], 60.00th=[ 226], | 70.00th=[ 236], 80.00th=[ 247], 90.00th=[ 264], 95.00th=[ 275], | 99.00th=[ 296], 99.50th=[ 300], 99.90th=[ 313], 99.95th=[ 317], | 99.99th=[ 330] bw ( KiB/s): min= 240, max= 472, per=24.91%, avg=296.15, stdev=46.20, samples=68 iops : min= 60, max= 118, avg=74.03, stdev=11.53, samples=68 lat (msec) : 100=0.66%, 250=81.68%, 500=17.66% cpu : usr=0.15%, sys=1.47%, ctx=2904, 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=1190KiB/s (1219kB/s), 297KiB/s-298KiB/s (305kB/s-306kB/s), io=40.0MiB (41.9MB), run=34316-34421msec 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=152668: Thu Jul 16 16:49:40 2026 read: IOPS=56, BW=228KiB/s (233kB/s)(5048KiB/22154msec) slat (usec): min=1054, max=7691, avg=2845.72, stdev=1041.34 clat (msec): min=3, max=201, avg=87.61, stdev=18.57 lat (msec): min=6, max=204, avg=90.45, stdev=18.77 clat percentiles (msec): | 1.00th=[ 25], 5.00th=[ 62], 10.00th=[ 67], 20.00th=[ 74], | 30.00th=[ 80], 40.00th=[ 84], 50.00th=[ 88], 60.00th=[ 93], | 70.00th=[ 97], 80.00th=[ 102], 90.00th=[ 109], 95.00th=[ 115], | 99.00th=[ 130], 99.50th=[ 146], 99.90th=[ 186], 99.95th=[ 203], | 99.99th=[ 203] bw ( KiB/s): min= 128, max= 328, per=25.09%, avg=226.84, stdev=51.38, samples=43 iops : min= 32, max= 82, avg=56.70, stdev=12.85, samples=43 write: IOPS=58, BW=234KiB/s (240kB/s)(5192KiB/22154msec); 0 zone resets slat (usec): min=51, max=721, avg=190.35, stdev=89.15 clat (msec): min=66, max=316, avg=184.29, stdev=46.14 lat (msec): min=66, max=316, avg=184.49, stdev=46.14 clat percentiles (msec): | 1.00th=[ 85], 5.00th=[ 111], 10.00th=[ 125], 20.00th=[ 144], | 30.00th=[ 161], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 194], | 70.00th=[ 209], 80.00th=[ 222], 90.00th=[ 247], 95.00th=[ 266], | 99.00th=[ 296], 99.50th=[ 296], 99.90th=[ 309], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 160, max= 312, per=24.82%, avg=233.58, stdev=35.96, samples=43 iops : min= 40, max= 78, avg=58.40, stdev= 8.99, samples=43 lat (msec) : 4=0.04%, 10=0.04%, 20=0.35%, 50=0.43%, 100=38.32% lat (msec) : 250=56.09%, 500=4.73% cpu : usr=0.19%, sys=2.15%, ctx=4722, 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=152669: Thu Jul 16 16:49:40 2026 read: IOPS=56, BW=224KiB/s (230kB/s)(4976KiB/22195msec) slat (usec): min=1004, max=7943, avg=2820.90, stdev=1032.05 clat (msec): min=3, max=146, avg=87.51, stdev=17.09 lat (msec): min=6, max=152, avg=90.33, stdev=17.32 clat percentiles (msec): | 1.00th=[ 50], 5.00th=[ 63], 10.00th=[ 67], 20.00th=[ 74], | 30.00th=[ 80], 40.00th=[ 83], 50.00th=[ 87], 60.00th=[ 91], | 70.00th=[ 96], 80.00th=[ 103], 90.00th=[ 110], 95.00th=[ 115], | 99.00th=[ 126], 99.50th=[ 136], 99.90th=[ 146], 99.95th=[ 146], | 99.99th=[ 146] bw ( KiB/s): min= 88, max= 336, per=24.74%, avg=223.68, stdev=52.29, samples=44 iops : min= 22, max= 84, avg=55.91, stdev=13.07, samples=44 write: IOPS=59, BW=237KiB/s (243kB/s)(5264KiB/22195msec); 0 zone resets slat (usec): min=42, max=630, avg=191.34, stdev=95.42 clat (msec): min=53, max=311, avg=183.87, stdev=45.64 lat (msec): min=53, max=311, avg=184.06, stdev=45.64 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 114], 10.00th=[ 126], 20.00th=[ 142], | 30.00th=[ 159], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 194], | 70.00th=[ 207], 80.00th=[ 222], 90.00th=[ 247], 95.00th=[ 264], | 99.00th=[ 292], 99.50th=[ 300], 99.90th=[ 309], 99.95th=[ 313], | 99.99th=[ 313] bw ( KiB/s): min= 136, max= 320, per=25.10%, avg=236.20, stdev=42.91, samples=44 iops : min= 34, max= 80, avg=59.05, stdev=10.73, samples=44 lat (msec) : 4=0.04%, 10=0.04%, 20=0.12%, 50=0.35%, 100=38.40% lat (msec) : 250=56.91%, 500=4.14% cpu : usr=0.20%, sys=2.14%, ctx=4560, 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=152670: Thu Jul 16 16:49:40 2026 read: IOPS=56, BW=225KiB/s (230kB/s)(4984KiB/22165msec) slat (usec): min=62, max=7327, avg=2862.14, stdev=1052.38 clat (msec): min=3, max=169, avg=87.23, stdev=18.45 lat (msec): min=5, max=172, avg=90.10, stdev=18.67 clat percentiles (msec): | 1.00th=[ 21], 5.00th=[ 60], 10.00th=[ 67], 20.00th=[ 73], | 30.00th=[ 80], 40.00th=[ 85], 50.00th=[ 88], 60.00th=[ 92], | 70.00th=[ 96], 80.00th=[ 102], 90.00th=[ 109], 95.00th=[ 116], | 99.00th=[ 128], 99.50th=[ 142], 99.90th=[ 146], 99.95th=[ 171], | 99.99th=[ 171] bw ( KiB/s): min= 112, max= 336, per=24.87%, avg=224.82, stdev=48.26, samples=44 iops : min= 28, max= 84, avg=56.20, stdev=12.06, samples=44 write: IOPS=59, BW=237KiB/s (243kB/s)(5256KiB/22165msec); 0 zone resets slat (usec): min=55, max=723, avg=194.93, stdev=91.66 clat (msec): min=38, max=314, avg=184.04, stdev=47.03 lat (msec): min=39, max=314, avg=184.24, stdev=47.03 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 113], 10.00th=[ 125], 20.00th=[ 142], | 30.00th=[ 159], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 194], | 70.00th=[ 207], 80.00th=[ 224], 90.00th=[ 247], 95.00th=[ 266], | 99.00th=[ 296], 99.50th=[ 300], 99.90th=[ 309], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 136, max= 328, per=24.95%, avg=234.82, stdev=40.82, samples=44 iops : min= 34, max= 82, avg=58.70, stdev=10.21, samples=44 lat (msec) : 4=0.04%, 10=0.12%, 20=0.31%, 50=0.86%, 100=37.46% lat (msec) : 250=56.45%, 500=4.77% cpu : usr=0.25%, sys=2.13%, ctx=4659, 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=152671: Thu Jul 16 16:49:40 2026 read: IOPS=57, BW=228KiB/s (234kB/s)(5060KiB/22186msec) slat (usec): min=1060, max=7952, avg=2840.84, stdev=1027.79 clat (msec): min=5, max=178, avg=87.59, stdev=17.34 lat (msec): min=8, max=181, avg=90.43, stdev=17.51 clat percentiles (msec): | 1.00th=[ 54], 5.00th=[ 62], 10.00th=[ 67], 20.00th=[ 73], | 30.00th=[ 79], 40.00th=[ 84], 50.00th=[ 88], 60.00th=[ 92], | 70.00th=[ 96], 80.00th=[ 102], 90.00th=[ 110], 95.00th=[ 115], | 99.00th=[ 126], 99.50th=[ 136], 99.90th=[ 178], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 112, max= 336, per=25.24%, avg=228.14, stdev=48.11, samples=44 iops : min= 28, max= 84, avg=57.02, stdev=12.03, samples=44 write: IOPS=58, BW=233KiB/s (239kB/s)(5180KiB/22186msec); 0 zone resets slat (usec): min=47, max=908, avg=195.27, stdev=100.05 clat (msec): min=68, max=324, avg=184.87, stdev=44.93 lat (msec): min=68, max=325, avg=185.07, stdev=44.93 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 114], 10.00th=[ 128], 20.00th=[ 144], | 30.00th=[ 159], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 243], 95.00th=[ 262], | 99.00th=[ 296], 99.50th=[ 305], 99.90th=[ 321], 99.95th=[ 326], | 99.99th=[ 326] bw ( KiB/s): min= 160, max= 312, per=24.68%, avg=232.23, stdev=36.22, samples=44 iops : min= 40, max= 78, avg=58.05, stdev= 9.06, samples=44 lat (msec) : 10=0.08%, 20=0.08%, 50=0.16%, 100=38.79%, 250=56.88% lat (msec) : 500=4.02% cpu : usr=0.19%, sys=2.15%, ctx=4676, 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=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=904KiB/s (926kB/s), 224KiB/s-228KiB/s (230kB/s-234kB/s), io=19.6MiB (20.5MB), run=22154-22195msec WRITE: bw=941KiB/s (964kB/s), 233KiB/s-237KiB/s (239kB/s-243kB/s), io=20.4MiB (21.4MB), run=22154-22195msec 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=152677: Thu Jul 16 16:49:43 2026 read: IOPS=8, BW=357MiB/s (374MB/s)(40.0MiB/112msec) slat (nsec): min=12447k, max=12447k, avg=12447250.00, stdev= 0.00 clat (nsec): min=94357k, max=94357k, avg=94356961.00, stdev= 0.00 lat (nsec): min=106808k, max=106808k, avg=106808387.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[93848], 5.00th=[93848], 10.00th=[93848], 20.00th=[93848], | 30.00th=[93848], 40.00th=[93848], 50.00th=[93848], 60.00th=[93848], | 70.00th=[93848], 80.00th=[93848], 90.00th=[93848], 95.00th=[93848], | 99.00th=[93848], 99.50th=[93848], 99.90th=[93848], 99.95th=[93848], | 99.99th=[93848] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=9.01%, ctx=42, majf=0, minf=8 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=357MiB/s (374MB/s), 357MiB/s-357MiB/s (374MB/s-374MB/s), io=40.0MiB (41.9MB), run=112-112msec 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