== sanity test 398c: run fio to test AIO ================= 18:37:23 (1781303843) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.586517 s, 71.5 MB/s osc.lustre-OST0000-osc-ffff959d07a83000.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=148444: Fri Jun 12 18:38:02 2026 write: IOPS=92, BW=372KiB/s (381kB/s)(10.0MiB/27548msec); 0 zone resets slat (usec): min=26, max=20675, avg=316.46, stdev=1112.86 clat (msec): min=15, max=314, avg=171.46, stdev=42.77 lat (msec): min=21, max=315, avg=171.78, stdev=42.74 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 102], 10.00th=[ 111], 20.00th=[ 133], | 30.00th=[ 150], 40.00th=[ 163], 50.00th=[ 176], 60.00th=[ 184], | 70.00th=[ 194], 80.00th=[ 207], 90.00th=[ 224], 95.00th=[ 241], | 99.00th=[ 271], 99.50th=[ 275], 99.90th=[ 284], 99.95th=[ 292], | 99.99th=[ 317] bw ( KiB/s): min= 253, max= 584, per=24.83%, avg=368.30, stdev=73.97, samples=54 iops : min= 63, max= 146, avg=91.67, stdev=18.54, samples=54 lat (msec) : 20=0.04%, 50=0.35%, 100=3.95%, 250=93.40%, 500=2.27% cpu : usr=0.30%, sys=1.33%, ctx=1309, 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=148445: Fri Jun 12 18:38:02 2026 write: IOPS=92, BW=371KiB/s (380kB/s)(10.0MiB/27602msec); 0 zone resets slat (usec): min=26, max=23070, avg=320.55, stdev=1169.26 clat (msec): min=10, max=299, avg=171.64, stdev=42.45 lat (msec): min=11, max=300, avg=171.97, stdev=42.45 clat percentiles (msec): | 1.00th=[ 83], 5.00th=[ 102], 10.00th=[ 112], 20.00th=[ 136], | 30.00th=[ 150], 40.00th=[ 163], 50.00th=[ 174], 60.00th=[ 184], | 70.00th=[ 197], 80.00th=[ 207], 90.00th=[ 226], 95.00th=[ 241], | 99.00th=[ 275], 99.50th=[ 279], 99.90th=[ 296], 99.95th=[ 300], | 99.99th=[ 300] bw ( KiB/s): min= 250, max= 616, per=24.66%, avg=365.70, stdev=76.89, samples=54 iops : min= 62, max= 154, avg=90.98, stdev=19.29, samples=54 lat (msec) : 20=0.04%, 50=0.31%, 100=4.06%, 250=92.77%, 500=2.81% cpu : usr=0.26%, sys=1.24%, ctx=1188, 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=148446: Fri Jun 12 18:38:02 2026 write: IOPS=92, BW=372KiB/s (381kB/s)(10.0MiB/27532msec); 0 zone resets slat (usec): min=26, max=14081, avg=211.56, stdev=789.61 clat (msec): min=49, max=294, avg=171.71, stdev=41.98 lat (msec): min=50, max=295, avg=171.92, stdev=41.96 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 101], 10.00th=[ 110], 20.00th=[ 136], | 30.00th=[ 150], 40.00th=[ 165], 50.00th=[ 176], 60.00th=[ 186], | 70.00th=[ 194], 80.00th=[ 205], 90.00th=[ 224], 95.00th=[ 236], | 99.00th=[ 271], 99.50th=[ 279], 99.90th=[ 296], 99.95th=[ 296], | 99.99th=[ 296] bw ( KiB/s): min= 250, max= 600, per=24.84%, avg=368.43, stdev=80.77, samples=54 iops : min= 62, max= 150, avg=91.69, stdev=20.26, samples=54 lat (msec) : 50=0.04%, 100=4.92%, 250=92.54%, 500=2.50% cpu : usr=0.17%, sys=1.04%, ctx=888, 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=148447: Fri Jun 12 18:38:02 2026 write: IOPS=92, BW=372KiB/s (380kB/s)(10.0MiB/27560msec); 0 zone resets slat (usec): min=20, max=14608, avg=254.98, stdev=878.62 clat (msec): min=14, max=315, avg=171.55, stdev=41.98 lat (msec): min=15, max=316, avg=171.81, stdev=41.99 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 102], 10.00th=[ 112], 20.00th=[ 136], | 30.00th=[ 153], 40.00th=[ 161], 50.00th=[ 174], 60.00th=[ 186], | 70.00th=[ 194], 80.00th=[ 205], 90.00th=[ 222], 95.00th=[ 239], | 99.00th=[ 268], 99.50th=[ 279], 99.90th=[ 300], 99.95th=[ 317], | 99.99th=[ 317] bw ( KiB/s): min= 254, max= 624, per=24.76%, avg=367.17, stdev=79.79, samples=54 iops : min= 63, max= 156, avg=91.30, stdev=20.00, samples=54 lat (msec) : 20=0.12%, 50=0.04%, 100=4.02%, 250=93.20%, 500=2.62% cpu : usr=0.25%, sys=1.08%, ctx=1223, 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 Run status group 0 (all jobs): WRITE: bw=1484KiB/s (1520kB/s), 371KiB/s-372KiB/s (380kB/s-381kB/s), io=40.0MiB (41.9MB), run=27532-27602msec 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=148461: Fri Jun 12 18:38:41 2026 read: IOPS=40, BW=161KiB/s (164kB/s)(5048KiB/31440msec) slat (usec): min=38, max=62440, avg=14748.25, stdev=8974.93 clat (msec): min=13, max=386, avg=185.22, stdev=48.07 lat (msec): min=13, max=403, avg=199.97, stdev=49.93 clat percentiles (msec): | 1.00th=[ 70], 5.00th=[ 113], 10.00th=[ 129], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 251], 95.00th=[ 266], | 99.00th=[ 296], 99.50th=[ 334], 99.90th=[ 363], 99.95th=[ 388], | 99.99th=[ 388] bw ( KiB/s): min= 80, max= 271, per=25.12%, avg=159.52, stdev=38.93, samples=62 iops : min= 20, max= 67, avg=39.45, stdev= 9.73, samples=62 write: IOPS=41, BW=165KiB/s (169kB/s)(5192KiB/31440msec); 0 zone resets slat (usec): min=26, max=18443, avg=362.42, stdev=1297.23 clat (msec): min=37, max=364, avg=192.26, stdev=47.54 lat (msec): min=37, max=364, avg=192.62, stdev=47.63 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 124], 10.00th=[ 136], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 201], | 70.00th=[ 215], 80.00th=[ 232], 90.00th=[ 259], 95.00th=[ 275], | 99.00th=[ 317], 99.50th=[ 326], 99.90th=[ 363], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 72, max= 262, per=24.88%, avg=164.45, stdev=37.13, samples=62 iops : min= 18, max= 65, avg=40.65, stdev= 9.20, samples=62 lat (msec) : 20=0.04%, 50=0.39%, 100=1.56%, 250=86.91%, 500=11.09% cpu : usr=0.31%, sys=1.99%, ctx=2652, 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=148462: Fri Jun 12 18:38:41 2026 read: IOPS=39, BW=158KiB/s (162kB/s)(4976KiB/31533msec) slat (usec): min=1939, max=60554, avg=14849.82, stdev=8663.04 clat (msec): min=48, max=331, avg=184.02, stdev=43.85 lat (msec): min=66, max=346, avg=198.88, stdev=45.62 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 117], 10.00th=[ 128], 20.00th=[ 144], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 182], 60.00th=[ 194], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 243], 95.00th=[ 255], | 99.00th=[ 292], 99.50th=[ 305], 99.90th=[ 326], 99.95th=[ 334], | 99.99th=[ 334] bw ( KiB/s): min= 71, max= 263, per=24.75%, avg=157.19, stdev=41.60, samples=62 iops : min= 17, max= 65, avg=38.85, stdev=10.36, samples=62 write: IOPS=41, BW=167KiB/s (171kB/s)(5264KiB/31533msec); 0 zone resets slat (usec): min=30, max=17455, avg=364.10, stdev=1228.74 clat (msec): min=44, max=341, avg=193.50, stdev=43.18 lat (msec): min=45, max=341, avg=193.87, stdev=43.19 clat percentiles (msec): | 1.00th=[ 107], 5.00th=[ 130], 10.00th=[ 142], 20.00th=[ 155], | 30.00th=[ 169], 40.00th=[ 178], 50.00th=[ 190], 60.00th=[ 201], | 70.00th=[ 213], 80.00th=[ 230], 90.00th=[ 253], 95.00th=[ 271], | 99.00th=[ 300], 99.50th=[ 317], 99.90th=[ 338], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 92, max= 247, per=25.25%, avg=166.87, stdev=37.46, samples=62 iops : min= 23, max= 61, avg=41.29, stdev= 9.36, samples=62 lat (msec) : 50=0.08%, 100=1.17%, 250=90.08%, 500=8.67% cpu : usr=0.33%, sys=2.03%, ctx=2665, 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=148463: Fri Jun 12 18:38:41 2026 read: IOPS=39, BW=158KiB/s (162kB/s)(4984KiB/31525msec) slat (usec): min=2443, max=67139, avg=14807.71, stdev=8884.98 clat (msec): min=51, max=392, avg=187.03, stdev=47.04 lat (msec): min=68, max=411, avg=201.85, stdev=48.37 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 114], 10.00th=[ 131], 20.00th=[ 148], | 30.00th=[ 161], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 209], 80.00th=[ 224], 90.00th=[ 251], 95.00th=[ 271], | 99.00th=[ 309], 99.50th=[ 321], 99.90th=[ 355], 99.95th=[ 393], | 99.99th=[ 393] bw ( KiB/s): min= 93, max= 246, per=24.89%, avg=158.03, stdev=34.16, samples=62 iops : min= 23, max= 61, avg=39.10, stdev= 8.52, samples=62 write: IOPS=41, BW=167KiB/s (171kB/s)(5256KiB/31525msec); 0 zone resets slat (usec): min=28, max=22586, avg=364.03, stdev=1354.43 clat (msec): min=64, max=364, avg=190.68, stdev=45.41 lat (msec): min=64, max=364, avg=191.04, stdev=45.37 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 127], 10.00th=[ 138], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 224], 90.00th=[ 253], 95.00th=[ 271], | 99.00th=[ 317], 99.50th=[ 330], 99.90th=[ 355], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 71, max= 263, per=25.15%, avg=166.21, stdev=44.05, samples=62 iops : min= 17, max= 65, avg=41.08, stdev=11.00, samples=62 lat (msec) : 100=1.33%, 250=88.36%, 500=10.31% cpu : usr=0.34%, sys=2.24%, ctx=2804, 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=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=148464: Fri Jun 12 18:38:41 2026 read: IOPS=40, BW=160KiB/s (164kB/s)(5060KiB/31600msec) slat (usec): min=52, max=57010, avg=14795.01, stdev=8856.73 clat (msec): min=21, max=408, avg=186.58, stdev=47.83 lat (msec): min=21, max=420, avg=201.39, stdev=49.58 clat percentiles (msec): | 1.00th=[ 87], 5.00th=[ 114], 10.00th=[ 127], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 184], 60.00th=[ 199], | 70.00th=[ 213], 80.00th=[ 228], 90.00th=[ 247], 95.00th=[ 266], | 99.00th=[ 300], 99.50th=[ 313], 99.90th=[ 388], 99.95th=[ 409], | 99.99th=[ 409] bw ( KiB/s): min= 74, max= 255, per=25.05%, avg=159.08, stdev=37.17, samples=62 iops : min= 18, max= 63, avg=39.31, stdev= 9.26, samples=62 write: IOPS=40, BW=164KiB/s (168kB/s)(5180KiB/31600msec); 0 zone resets slat (usec): min=27, max=22948, avg=414.00, stdev=1410.12 clat (msec): min=21, max=415, avg=191.64, stdev=46.44 lat (msec): min=21, max=415, avg=192.06, stdev=46.39 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 129], 10.00th=[ 138], 20.00th=[ 155], | 30.00th=[ 165], 40.00th=[ 176], 50.00th=[ 186], 60.00th=[ 199], | 70.00th=[ 211], 80.00th=[ 230], 90.00th=[ 255], 95.00th=[ 275], | 99.00th=[ 317], 99.50th=[ 347], 99.90th=[ 393], 99.95th=[ 418], | 99.99th=[ 418] bw ( KiB/s): min= 79, max= 300, per=24.55%, avg=162.27, stdev=40.83, samples=62 iops : min= 19, max= 75, avg=40.11, stdev=10.17, samples=62 lat (msec) : 50=0.23%, 100=1.05%, 250=88.67%, 500=10.04% cpu : usr=0.35%, sys=2.24%, ctx=2678, 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=635KiB/s (650kB/s), 158KiB/s-161KiB/s (162kB/s-164kB/s), io=19.6MiB (20.5MB), run=31440-31600msec WRITE: bw=661KiB/s (677kB/s), 164KiB/s-167KiB/s (168kB/s-171kB/s), io=20.4MiB (21.4MB), run=31440-31600msec 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=148473: Fri Jun 12 18:38:53 2026 read: IOPS=1, BW=71.9MiB/s (75.4MB/s)(40.0MiB/556msec) slat (nsec): min=30780k, max=30780k, avg=30779978.00, stdev= 0.00 clat (nsec): min=495842k, max=495842k, avg=495842294.00, stdev= 0.00 lat (nsec): min=526628k, max=526628k, avg=526627512.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 498], 5.00th=[ 498], 10.00th=[ 498], 20.00th=[ 498], | 30.00th=[ 498], 40.00th=[ 498], 50.00th=[ 498], 60.00th=[ 498], | 70.00th=[ 498], 80.00th=[ 498], 90.00th=[ 498], 95.00th=[ 498], | 99.00th=[ 498], 99.50th=[ 498], 99.90th=[ 498], 99.95th=[ 498], | 99.99th=[ 498] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.70%, ctx=5, 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=71.9MiB/s (75.4MB/s), 71.9MiB/s-71.9MiB/s (75.4MB/s-75.4MB/s), io=40.0MiB (41.9MB), run=556-556msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck