== sanity test 398c: run fio to test AIO ================= 01:08:39 (1781240919) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.616609 s, 68.0 MB/s osc.lustre-OST0000-osc-ffff9f9a582e4000.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=180199: Fri Jun 12 01:09:22 2026 write: IOPS=84, BW=336KiB/s (344kB/s)(10.0MiB/30444msec); 0 zone resets slat (usec): min=40, max=24274, avg=386.94, stdev=1250.05 clat (msec): min=14, max=445, avg=189.01, stdev=55.86 lat (msec): min=16, max=445, avg=189.40, stdev=55.91 clat percentiles (msec): | 1.00th=[ 102], 5.00th=[ 118], 10.00th=[ 129], 20.00th=[ 144], | 30.00th=[ 153], 40.00th=[ 167], 50.00th=[ 180], 60.00th=[ 194], | 70.00th=[ 213], 80.00th=[ 230], 90.00th=[ 262], 95.00th=[ 288], | 99.00th=[ 384], 99.50th=[ 426], 99.90th=[ 447], 99.95th=[ 447], | 99.99th=[ 447] bw ( KiB/s): min= 168, max= 506, per=24.92%, avg=335.18, stdev=88.90, samples=60 iops : min= 42, max= 126, avg=83.38, stdev=22.21, samples=60 lat (msec) : 20=0.08%, 100=0.66%, 250=87.23%, 500=12.03% cpu : usr=0.22%, sys=1.29%, ctx=2789, 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=180200: Fri Jun 12 01:09:22 2026 write: IOPS=84, BW=337KiB/s (345kB/s)(10.0MiB/30387msec); 0 zone resets slat (usec): min=45, max=22790, avg=336.02, stdev=1090.49 clat (msec): min=10, max=446, avg=188.87, stdev=56.24 lat (msec): min=15, max=446, avg=189.21, stdev=56.25 clat percentiles (msec): | 1.00th=[ 97], 5.00th=[ 115], 10.00th=[ 129], 20.00th=[ 142], | 30.00th=[ 155], 40.00th=[ 169], 50.00th=[ 182], 60.00th=[ 194], | 70.00th=[ 211], 80.00th=[ 230], 90.00th=[ 262], 95.00th=[ 288], | 99.00th=[ 384], 99.50th=[ 426], 99.90th=[ 443], 99.95th=[ 443], | 99.99th=[ 447] bw ( KiB/s): min= 128, max= 507, per=24.97%, avg=335.82, stdev=85.77, samples=60 iops : min= 32, max= 126, avg=83.52, stdev=21.42, samples=60 lat (msec) : 20=0.08%, 50=0.08%, 100=1.09%, 250=86.41%, 500=12.34% cpu : usr=0.18%, sys=1.10%, ctx=2585, 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=180201: Fri Jun 12 01:09:22 2026 write: IOPS=84, BW=338KiB/s (346kB/s)(10.0MiB/30302msec); 0 zone resets slat (usec): min=37, max=12498, avg=304.61, stdev=748.04 clat (msec): min=32, max=444, avg=188.91, stdev=57.08 lat (msec): min=33, max=444, avg=189.21, stdev=57.11 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 117], 10.00th=[ 127], 20.00th=[ 142], | 30.00th=[ 155], 40.00th=[ 167], 50.00th=[ 180], 60.00th=[ 190], | 70.00th=[ 213], 80.00th=[ 234], 90.00th=[ 262], 95.00th=[ 288], | 99.00th=[ 372], 99.50th=[ 393], 99.90th=[ 439], 99.95th=[ 439], | 99.99th=[ 443] bw ( KiB/s): min= 134, max= 499, per=25.04%, avg=336.75, stdev=84.42, samples=60 iops : min= 33, max= 124, avg=83.75, stdev=21.11, samples=60 lat (msec) : 50=0.08%, 100=1.33%, 250=85.59%, 500=13.01% cpu : usr=0.17%, sys=1.29%, ctx=2567, 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=180202: Fri Jun 12 01:09:22 2026 write: IOPS=84, BW=336KiB/s (344kB/s)(10.0MiB/30451msec); 0 zone resets slat (usec): min=37, max=14767, avg=274.73, stdev=795.83 clat (msec): min=27, max=434, avg=188.98, stdev=55.88 lat (msec): min=27, max=434, avg=189.26, stdev=55.89 clat percentiles (msec): | 1.00th=[ 106], 5.00th=[ 118], 10.00th=[ 127], 20.00th=[ 142], | 30.00th=[ 153], 40.00th=[ 167], 50.00th=[ 182], 60.00th=[ 194], | 70.00th=[ 211], 80.00th=[ 230], 90.00th=[ 262], 95.00th=[ 288], | 99.00th=[ 363], 99.50th=[ 393], 99.90th=[ 426], 99.95th=[ 426], | 99.99th=[ 435] bw ( KiB/s): min= 144, max= 506, per=24.80%, avg=333.58, stdev=88.62, samples=60 iops : min= 36, max= 126, avg=82.98, stdev=22.21, samples=60 lat (msec) : 50=0.31%, 100=0.31%, 250=87.38%, 500=11.99% cpu : usr=0.13%, sys=1.08%, ctx=2095, 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 Run status group 0 (all jobs): WRITE: bw=1345KiB/s (1377kB/s), 336KiB/s-338KiB/s (344kB/s-346kB/s), io=40.0MiB (41.9MB), run=30302-30451msec 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=180216: Fri Jun 12 01:10:01 2026 read: IOPS=41, BW=164KiB/s (168kB/s)(5048KiB/30706msec) slat (usec): min=140, max=63684, avg=13575.91, stdev=7679.38 clat (msec): min=27, max=371, avg=182.29, stdev=44.29 lat (msec): min=27, max=385, avg=195.87, stdev=45.69 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 117], 10.00th=[ 131], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 171], 50.00th=[ 180], 60.00th=[ 190], | 70.00th=[ 203], 80.00th=[ 215], 90.00th=[ 239], 95.00th=[ 262], | 99.00th=[ 305], 99.50th=[ 326], 99.90th=[ 372], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 103, max= 256, per=24.90%, avg=162.57, stdev=28.44, samples=60 iops : min= 25, max= 64, avg=40.20, stdev= 7.14, samples=60 write: IOPS=42, BW=169KiB/s (173kB/s)(5192KiB/30706msec); 0 zone resets slat (usec): min=42, max=14025, avg=260.69, stdev=669.38 clat (msec): min=27, max=375, avg=185.10, stdev=41.10 lat (msec): min=27, max=375, avg=185.36, stdev=41.12 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 125], 10.00th=[ 136], 20.00th=[ 153], | 30.00th=[ 163], 40.00th=[ 174], 50.00th=[ 182], 60.00th=[ 192], | 70.00th=[ 203], 80.00th=[ 218], 90.00th=[ 236], 95.00th=[ 255], | 99.00th=[ 296], 99.50th=[ 330], 99.90th=[ 368], 99.95th=[ 376], | 99.99th=[ 376] bw ( KiB/s): min= 78, max= 255, per=24.69%, avg=167.88, stdev=38.84, samples=60 iops : min= 19, max= 63, avg=41.55, stdev= 9.76, samples=60 lat (msec) : 50=0.23%, 100=1.56%, 250=91.84%, 500=6.37% cpu : usr=0.28%, sys=1.91%, ctx=4345, 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=180217: Fri Jun 12 01:10:01 2026 read: IOPS=40, BW=162KiB/s (166kB/s)(4976KiB/30633msec) slat (usec): min=2655, max=81312, avg=13772.83, stdev=7860.18 clat (msec): min=33, max=354, avg=181.21, stdev=42.65 lat (msec): min=44, max=373, avg=194.99, stdev=44.11 clat percentiles (msec): | 1.00th=[ 99], 5.00th=[ 118], 10.00th=[ 132], 20.00th=[ 146], | 30.00th=[ 157], 40.00th=[ 167], 50.00th=[ 178], 60.00th=[ 186], | 70.00th=[ 197], 80.00th=[ 215], 90.00th=[ 241], 95.00th=[ 264], | 99.00th=[ 300], 99.50th=[ 309], 99.90th=[ 321], 99.95th=[ 355], | 99.99th=[ 355] bw ( KiB/s): min= 104, max= 234, per=24.75%, avg=161.65, stdev=29.17, samples=60 iops : min= 26, max= 58, avg=39.97, stdev= 7.33, samples=60 write: IOPS=42, BW=172KiB/s (176kB/s)(5264KiB/30633msec); 0 zone resets slat (usec): min=56, max=9005, avg=267.26, stdev=600.68 clat (msec): min=68, max=367, avg=185.39, stdev=41.51 lat (msec): min=69, max=367, avg=185.66, stdev=41.51 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 123], 10.00th=[ 136], 20.00th=[ 153], | 30.00th=[ 165], 40.00th=[ 174], 50.00th=[ 182], 60.00th=[ 192], | 70.00th=[ 203], 80.00th=[ 218], 90.00th=[ 241], 95.00th=[ 255], | 99.00th=[ 313], 99.50th=[ 330], 99.90th=[ 355], 99.95th=[ 368], | 99.99th=[ 368] bw ( KiB/s): min= 78, max= 271, per=25.27%, avg=171.85, stdev=40.38, samples=60 iops : min= 19, max= 67, avg=42.55, stdev=10.11, samples=60 lat (msec) : 50=0.04%, 100=1.29%, 250=91.52%, 500=7.15% cpu : usr=0.30%, sys=1.76%, ctx=4330, 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=180218: Fri Jun 12 01:10:01 2026 read: IOPS=40, BW=163KiB/s (167kB/s)(4984KiB/30623msec) slat (usec): min=2657, max=65748, avg=13654.29, stdev=7874.94 clat (msec): min=41, max=352, avg=179.58, stdev=41.74 lat (msec): min=61, max=364, avg=193.24, stdev=43.39 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 118], 10.00th=[ 130], 20.00th=[ 144], | 30.00th=[ 157], 40.00th=[ 167], 50.00th=[ 176], 60.00th=[ 188], | 70.00th=[ 199], 80.00th=[ 213], 90.00th=[ 234], 95.00th=[ 251], | 99.00th=[ 292], 99.50th=[ 317], 99.90th=[ 342], 99.95th=[ 351], | 99.99th=[ 351] bw ( KiB/s): min= 103, max= 261, per=24.91%, avg=162.68, stdev=32.74, samples=60 iops : min= 25, max= 65, avg=40.27, stdev= 8.22, samples=60 write: IOPS=42, BW=172KiB/s (176kB/s)(5256KiB/30623msec); 0 zone resets slat (usec): min=46, max=15438, avg=294.04, stdev=825.43 clat (msec): min=64, max=364, avg=186.63, stdev=42.42 lat (msec): min=64, max=364, avg=186.93, stdev=42.45 clat percentiles (msec): | 1.00th=[ 94], 5.00th=[ 121], 10.00th=[ 140], 20.00th=[ 155], | 30.00th=[ 167], 40.00th=[ 176], 50.00th=[ 184], 60.00th=[ 192], | 70.00th=[ 205], 80.00th=[ 220], 90.00th=[ 241], 95.00th=[ 262], | 99.00th=[ 313], 99.50th=[ 334], 99.90th=[ 351], 99.95th=[ 363], | 99.99th=[ 363] bw ( KiB/s): min= 94, max= 264, per=25.08%, avg=170.57, stdev=37.39, samples=60 iops : min= 23, max= 66, avg=42.20, stdev= 9.42, samples=60 lat (msec) : 50=0.04%, 100=1.88%, 250=91.88%, 500=6.21% cpu : usr=0.26%, sys=1.99%, ctx=4298, 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=180219: Fri Jun 12 01:10:01 2026 read: IOPS=41, BW=167KiB/s (171kB/s)(5060KiB/30336msec) slat (usec): min=87, max=60895, avg=13519.86, stdev=7621.14 clat (msec): min=24, max=384, avg=179.42, stdev=45.41 lat (msec): min=34, max=412, avg=192.95, stdev=47.29 clat percentiles (msec): | 1.00th=[ 77], 5.00th=[ 111], 10.00th=[ 129], 20.00th=[ 146], | 30.00th=[ 159], 40.00th=[ 167], 50.00th=[ 176], 60.00th=[ 186], | 70.00th=[ 197], 80.00th=[ 211], 90.00th=[ 239], 95.00th=[ 257], | 99.00th=[ 313], 99.50th=[ 330], 99.90th=[ 359], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 79, max= 247, per=25.36%, avg=165.60, stdev=36.33, samples=60 iops : min= 19, max= 61, avg=40.98, stdev= 9.09, samples=60 write: IOPS=42, BW=171KiB/s (175kB/s)(5180KiB/30336msec); 0 zone resets slat (usec): min=46, max=22279, avg=296.63, stdev=906.65 clat (msec): min=28, max=370, avg=185.30, stdev=42.01 lat (msec): min=29, max=370, avg=185.60, stdev=42.00 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 123], 10.00th=[ 136], 20.00th=[ 153], | 30.00th=[ 163], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 192], | 70.00th=[ 203], 80.00th=[ 218], 90.00th=[ 239], 95.00th=[ 257], | 99.00th=[ 309], 99.50th=[ 326], 99.90th=[ 351], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 54, max= 273, per=24.92%, avg=169.47, stdev=34.96, samples=60 iops : min= 13, max= 68, avg=41.93, stdev= 8.84, samples=60 lat (msec) : 50=0.31%, 100=1.95%, 250=90.70%, 500=7.03% cpu : usr=0.23%, sys=1.95%, ctx=4307, 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=654KiB/s (669kB/s), 162KiB/s-167KiB/s (166kB/s-171kB/s), io=19.6MiB (20.5MB), run=30336-30706msec WRITE: bw=680KiB/s (697kB/s), 169KiB/s-172KiB/s (173kB/s-176kB/s), io=20.4MiB (21.4MB), run=30336-30706msec 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=180228: Fri Jun 12 01:10:09 2026 read: IOPS=2, BW=87.1MiB/s (91.4MB/s)(40.0MiB/459msec) slat (nsec): min=23261k, max=23261k, avg=23260833.00, stdev= 0.00 clat (nsec): min=398079k, max=398079k, avg=398079042.00, stdev= 0.00 lat (nsec): min=421345k, max=421345k, avg=421345209.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 397], 5.00th=[ 397], 10.00th=[ 397], 20.00th=[ 397], | 30.00th=[ 397], 40.00th=[ 397], 50.00th=[ 397], 60.00th=[ 397], | 70.00th=[ 397], 80.00th=[ 397], 90.00th=[ 397], 95.00th=[ 397], | 99.00th=[ 397], 99.50th=[ 397], 99.90th=[ 397], 99.95th=[ 397], | 99.99th=[ 397] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.62%, ctx=12, 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=87.1MiB/s (91.4MB/s), 87.1MiB/s-87.1MiB/s (91.4MB/s-91.4MB/s), io=40.0MiB (41.9MB), run=459-459msec 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