== sanity test 398c: run fio to test AIO ================= 11:07:30 (1780326450) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.224044 s, 187 MB/s osc.lustre-OST0000-osc-ffff957ff8f90000.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=148756: Mon Jun 1 11:08:26 2026 write: IOPS=48, BW=194KiB/s (199kB/s)(10.0MiB/52751msec); 0 zone resets slat (usec): min=37, max=4326, avg=228.19, stdev=280.56 clat (msec): min=94, max=569, avg=329.08, stdev=78.45 lat (msec): min=94, max=569, avg=329.31, stdev=78.45 clat percentiles (msec): | 1.00th=[ 180], 5.00th=[ 218], 10.00th=[ 236], 20.00th=[ 262], | 30.00th=[ 284], 40.00th=[ 300], 50.00th=[ 321], 60.00th=[ 342], | 70.00th=[ 368], 80.00th=[ 393], 90.00th=[ 443], 95.00th=[ 477], | 99.00th=[ 518], 99.50th=[ 542], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 119, max= 310, per=24.85%, avg=192.85, stdev=41.01, samples=105 iops : min= 29, max= 77, avg=48.01, stdev=10.23, samples=105 lat (msec) : 100=0.04%, 250=15.43%, 500=82.15%, 750=2.38% cpu : usr=0.10%, sys=0.76%, ctx=3046, 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=148757: Mon Jun 1 11:08:26 2026 write: IOPS=48, BW=194KiB/s (199kB/s)(10.0MiB/52661msec); 0 zone resets slat (usec): min=37, max=4045, avg=214.33, stdev=232.19 clat (msec): min=71, max=569, avg=328.57, stdev=79.53 lat (msec): min=72, max=569, avg=328.79, stdev=79.54 clat percentiles (msec): | 1.00th=[ 180], 5.00th=[ 211], 10.00th=[ 234], 20.00th=[ 264], | 30.00th=[ 284], 40.00th=[ 300], 50.00th=[ 326], 60.00th=[ 342], | 70.00th=[ 363], 80.00th=[ 388], 90.00th=[ 447], 95.00th=[ 477], | 99.00th=[ 523], 99.50th=[ 531], 99.90th=[ 550], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 111, max= 310, per=25.01%, avg=194.05, stdev=42.39, samples=104 iops : min= 27, max= 77, avg=48.30, stdev=10.57, samples=104 lat (msec) : 100=0.62%, 250=14.88%, 500=82.27%, 750=2.23% cpu : usr=0.09%, sys=0.75%, ctx=2984, 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=148758: Mon Jun 1 11:08:26 2026 write: IOPS=48, BW=194KiB/s (199kB/s)(10.0MiB/52709msec); 0 zone resets slat (usec): min=36, max=5493, avg=209.09, stdev=247.12 clat (msec): min=75, max=565, avg=329.05, stdev=80.30 lat (msec): min=75, max=565, avg=329.26, stdev=80.31 clat percentiles (msec): | 1.00th=[ 167], 5.00th=[ 215], 10.00th=[ 232], 20.00th=[ 264], | 30.00th=[ 284], 40.00th=[ 305], 50.00th=[ 326], 60.00th=[ 342], | 70.00th=[ 363], 80.00th=[ 393], 90.00th=[ 443], 95.00th=[ 477], | 99.00th=[ 531], 99.50th=[ 550], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 112, max= 383, per=25.01%, avg=194.05, stdev=44.38, samples=104 iops : min= 28, max= 95, avg=48.30, stdev=11.08, samples=104 lat (msec) : 100=0.62%, 250=15.04%, 500=81.72%, 750=2.62% cpu : usr=0.09%, sys=0.72%, ctx=2902, 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=148759: Mon Jun 1 11:08:26 2026 write: IOPS=48, BW=194KiB/s (199kB/s)(10.0MiB/52749msec); 0 zone resets slat (usec): min=43, max=4585, avg=222.46, stdev=225.05 clat (msec): min=40, max=568, avg=329.04, stdev=79.03 lat (msec): min=41, max=568, avg=329.26, stdev=79.03 clat percentiles (msec): | 1.00th=[ 176], 5.00th=[ 213], 10.00th=[ 236], 20.00th=[ 262], | 30.00th=[ 279], 40.00th=[ 305], 50.00th=[ 321], 60.00th=[ 342], | 70.00th=[ 363], 80.00th=[ 393], 90.00th=[ 443], 95.00th=[ 472], | 99.00th=[ 535], 99.50th=[ 558], 99.90th=[ 567], 99.95th=[ 567], | 99.99th=[ 567] bw ( KiB/s): min= 88, max= 312, per=24.86%, avg=192.94, stdev=43.05, samples=105 iops : min= 22, max= 78, avg=48.03, stdev=10.75, samples=105 lat (msec) : 50=0.08%, 250=15.04%, 500=82.19%, 750=2.70% cpu : usr=0.10%, sys=0.75%, ctx=3050, 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=776KiB/s (795kB/s), 194KiB/s-194KiB/s (199kB/s-199kB/s), io=40.0MiB (41.9MB), run=52661-52751msec 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=148777: Mon Jun 1 11:09:00 2026 read: IOPS=41, BW=167KiB/s (171kB/s)(5048KiB/30154msec) slat (usec): min=1348, max=13439, avg=4077.28, stdev=1882.77 clat (msec): min=4, max=241, avg=118.91, stdev=28.85 lat (msec): min=8, max=246, avg=122.99, stdev=29.26 clat percentiles (msec): | 1.00th=[ 31], 5.00th=[ 79], 10.00th=[ 87], 20.00th=[ 96], | 30.00th=[ 105], 40.00th=[ 111], 50.00th=[ 116], 60.00th=[ 125], | 70.00th=[ 132], 80.00th=[ 142], 90.00th=[ 157], 95.00th=[ 169], | 99.00th=[ 192], 99.50th=[ 209], 99.90th=[ 213], 99.95th=[ 243], | 99.99th=[ 243] bw ( KiB/s): min= 87, max= 224, per=25.23%, avg=167.54, stdev=37.40, samples=59 iops : min= 21, max= 56, avg=41.69, stdev= 9.37, samples=59 write: IOPS=43, BW=172KiB/s (176kB/s)(5192KiB/30154msec); 0 zone resets slat (usec): min=54, max=7304, avg=227.65, stdev=337.50 clat (msec): min=109, max=458, avg=251.15, stdev=64.55 lat (msec): min=110, max=460, avg=251.38, stdev=64.56 clat percentiles (msec): | 1.00th=[ 133], 5.00th=[ 157], 10.00th=[ 174], 20.00th=[ 197], | 30.00th=[ 213], 40.00th=[ 232], 50.00th=[ 245], 60.00th=[ 259], | 70.00th=[ 279], 80.00th=[ 300], 90.00th=[ 342], 95.00th=[ 376], | 99.00th=[ 426], 99.50th=[ 435], 99.90th=[ 447], 99.95th=[ 460], | 99.99th=[ 460] bw ( KiB/s): min= 112, max= 270, per=24.91%, avg=172.12, stdev=32.37, samples=59 iops : min= 28, max= 67, avg=42.85, stdev= 7.99, samples=59 lat (msec) : 10=0.04%, 20=0.23%, 50=0.27%, 100=11.84%, 250=64.38% lat (msec) : 500=23.24% cpu : usr=0.18%, sys=1.67%, ctx=5051, 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=148778: Mon Jun 1 11:09:00 2026 read: IOPS=41, BW=165KiB/s (169kB/s)(4976KiB/30199msec) slat (usec): min=1240, max=13941, avg=4130.93, stdev=1950.78 clat (msec): min=4, max=247, avg=119.75, stdev=29.22 lat (msec): min=9, max=251, avg=123.89, stdev=29.52 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 81], 10.00th=[ 88], 20.00th=[ 99], | 30.00th=[ 105], 40.00th=[ 111], 50.00th=[ 117], 60.00th=[ 125], | 70.00th=[ 132], 80.00th=[ 142], 90.00th=[ 159], 95.00th=[ 171], | 99.00th=[ 199], 99.50th=[ 209], 99.90th=[ 245], 99.95th=[ 249], | 99.99th=[ 249] bw ( KiB/s): min= 72, max= 280, per=24.64%, avg=163.63, stdev=46.60, samples=60 iops : min= 18, max= 70, avg=40.73, stdev=11.62, samples=60 write: IOPS=43, BW=174KiB/s (178kB/s)(5264KiB/30199msec); 0 zone resets slat (usec): min=60, max=5913, avg=219.95, stdev=279.89 clat (msec): min=70, max=468, avg=249.32, stdev=67.24 lat (msec): min=70, max=468, avg=249.54, stdev=67.25 clat percentiles (msec): | 1.00th=[ 109], 5.00th=[ 150], 10.00th=[ 169], 20.00th=[ 190], | 30.00th=[ 211], 40.00th=[ 228], 50.00th=[ 243], 60.00th=[ 259], | 70.00th=[ 279], 80.00th=[ 309], 90.00th=[ 342], 95.00th=[ 372], | 99.00th=[ 418], 99.50th=[ 430], 99.90th=[ 464], 99.95th=[ 468], | 99.99th=[ 468] bw ( KiB/s): min= 112, max= 254, per=25.13%, avg=173.65, stdev=31.18, samples=60 iops : min= 28, max= 63, avg=43.23, stdev= 7.75, samples=60 lat (msec) : 10=0.08%, 20=0.08%, 50=0.43%, 100=11.09%, 250=65.59% lat (msec) : 500=22.73% cpu : usr=0.17%, sys=1.69%, ctx=4979, 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=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=148779: Mon Jun 1 11:09:00 2026 read: IOPS=41, BW=165KiB/s (169kB/s)(4984KiB/30178msec) slat (usec): min=1377, max=15680, avg=4166.10, stdev=1923.10 clat (msec): min=4, max=246, avg=119.03, stdev=29.35 lat (msec): min=6, max=249, avg=123.19, stdev=29.75 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 77], 10.00th=[ 85], 20.00th=[ 96], | 30.00th=[ 104], 40.00th=[ 111], 50.00th=[ 117], 60.00th=[ 126], | 70.00th=[ 133], 80.00th=[ 142], 90.00th=[ 157], 95.00th=[ 171], | 99.00th=[ 197], 99.50th=[ 203], 99.90th=[ 218], 99.95th=[ 247], | 99.99th=[ 247] bw ( KiB/s): min= 80, max= 294, per=24.95%, avg=165.69, stdev=45.29, samples=59 iops : min= 20, max= 73, avg=41.24, stdev=11.25, samples=59 write: IOPS=43, BW=174KiB/s (178kB/s)(5256KiB/30178msec); 0 zone resets slat (usec): min=55, max=7502, avg=227.31, stdev=317.69 clat (msec): min=77, max=465, avg=249.91, stdev=64.41 lat (msec): min=77, max=465, avg=250.14, stdev=64.41 clat percentiles (msec): | 1.00th=[ 125], 5.00th=[ 155], 10.00th=[ 171], 20.00th=[ 197], | 30.00th=[ 213], 40.00th=[ 230], 50.00th=[ 243], 60.00th=[ 262], | 70.00th=[ 279], 80.00th=[ 305], 90.00th=[ 334], 95.00th=[ 368], | 99.00th=[ 414], 99.50th=[ 426], 99.90th=[ 451], 99.95th=[ 464], | 99.99th=[ 464] bw ( KiB/s): min= 96, max= 256, per=25.08%, avg=173.29, stdev=32.26, samples=59 iops : min= 24, max= 64, avg=43.14, stdev= 8.03, samples=59 lat (msec) : 10=0.08%, 20=0.16%, 50=0.23%, 100=12.38%, 250=63.67% lat (msec) : 500=23.48% cpu : usr=0.19%, sys=1.68%, ctx=4984, 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=148780: Mon Jun 1 11:09:00 2026 read: IOPS=42, BW=169KiB/s (173kB/s)(5060KiB/29932msec) slat (usec): min=99, max=15991, avg=4081.14, stdev=1917.16 clat (msec): min=3, max=357, avg=118.89, stdev=32.23 lat (msec): min=4, max=361, avg=122.97, stdev=32.64 clat percentiles (msec): | 1.00th=[ 30], 5.00th=[ 78], 10.00th=[ 86], 20.00th=[ 96], | 30.00th=[ 104], 40.00th=[ 110], 50.00th=[ 116], 60.00th=[ 124], | 70.00th=[ 132], 80.00th=[ 142], 90.00th=[ 157], 95.00th=[ 171], | 99.00th=[ 194], 99.50th=[ 213], 99.90th=[ 330], 99.95th=[ 359], | 99.99th=[ 359] bw ( KiB/s): min= 80, max= 287, per=25.58%, avg=169.83, stdev=44.09, samples=59 iops : min= 20, max= 71, avg=42.27, stdev=10.97, samples=59 write: IOPS=43, BW=173KiB/s (177kB/s)(5180KiB/29932msec); 0 zone resets slat (usec): min=39, max=3211, avg=207.57, stdev=172.57 clat (msec): min=23, max=550, avg=249.10, stdev=69.45 lat (msec): min=23, max=551, avg=249.31, stdev=69.46 clat percentiles (msec): | 1.00th=[ 111], 5.00th=[ 153], 10.00th=[ 169], 20.00th=[ 192], | 30.00th=[ 213], 40.00th=[ 226], 50.00th=[ 241], 60.00th=[ 259], | 70.00th=[ 279], 80.00th=[ 305], 90.00th=[ 338], 95.00th=[ 376], | 99.00th=[ 426], 99.50th=[ 502], 99.90th=[ 542], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 79, max= 248, per=25.02%, avg=172.90, stdev=38.16, samples=59 iops : min= 19, max= 62, avg=43.03, stdev= 9.52, samples=59 lat (msec) : 4=0.04%, 10=0.23%, 20=0.16%, 50=0.51%, 100=12.30% lat (msec) : 250=63.71%, 500=22.77%, 750=0.27% cpu : usr=0.20%, sys=1.65%, ctx=5070, 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=665KiB/s (680kB/s), 165KiB/s-169KiB/s (169kB/s-173kB/s), io=19.6MiB (20.5MB), run=29932-30199msec WRITE: bw=692KiB/s (708kB/s), 172KiB/s-174KiB/s (176kB/s-178kB/s), io=20.4MiB (21.4MB), run=29932-30199msec 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=148787: Mon Jun 1 11:09:04 2026 read: IOPS=6, BW=261MiB/s (274MB/s)(40.0MiB/153msec) slat (nsec): min=12852k, max=12852k, avg=12851571.00, stdev= 0.00 clat (nsec): min=131297k, max=131297k, avg=131297284.00, stdev= 0.00 lat (nsec): min=144153k, max=144153k, avg=144153410.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 132], 5.00th=[ 132], 10.00th=[ 132], 20.00th=[ 132], | 30.00th=[ 132], 40.00th=[ 132], 50.00th=[ 132], 60.00th=[ 132], | 70.00th=[ 132], 80.00th=[ 132], 90.00th=[ 132], 95.00th=[ 132], | 99.00th=[ 132], 99.50th=[ 132], 99.90th=[ 132], 99.95th=[ 132], | 99.99th=[ 132] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=7.24%, ctx=43, 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=261MiB/s (274MB/s), 261MiB/s-261MiB/s (274MB/s-274MB/s), io=40.0MiB (41.9MB), run=153-153msec 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