== sanity test 398c: run fio to test AIO ================= 11:05:32 (1783955132) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.57441 s, 73.0 MB/s osc.lustre-OST0000-osc-ffff9a7bc536a800.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=179164: Mon Jul 13 11:06:15 2026 write: IOPS=82, BW=329KiB/s (337kB/s)(10.0MiB/31082msec); 0 zone resets slat (usec): min=41, max=21126, avg=335.27, stdev=1058.79 clat (msec): min=119, max=341, avg=193.67, stdev=46.78 lat (msec): min=119, max=341, avg=194.01, stdev=46.79 clat percentiles (msec): | 1.00th=[ 125], 5.00th=[ 138], 10.00th=[ 144], 20.00th=[ 155], | 30.00th=[ 163], 40.00th=[ 174], 50.00th=[ 180], 60.00th=[ 197], | 70.00th=[ 213], 80.00th=[ 232], 90.00th=[ 266], 95.00th=[ 288], | 99.00th=[ 330], 99.50th=[ 330], 99.90th=[ 342], 99.95th=[ 342], | 99.99th=[ 342] bw ( KiB/s): min= 127, max= 510, per=24.99%, avg=329.07, stdev=77.49, samples=61 iops : min= 31, max= 127, avg=81.84, stdev=19.43, samples=61 lat (msec) : 250=86.33%, 500=13.67% cpu : usr=0.21%, sys=1.38%, ctx=2519, majf=0, minf=8 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=179165: Mon Jul 13 11:06:15 2026 write: IOPS=82, BW=330KiB/s (338kB/s)(10.0MiB/31040msec); 0 zone resets slat (usec): min=42, max=24001, avg=356.98, stdev=1112.80 clat (msec): min=14, max=339, avg=192.86, stdev=46.52 lat (msec): min=14, max=339, avg=193.22, stdev=46.56 clat percentiles (msec): | 1.00th=[ 115], 5.00th=[ 136], 10.00th=[ 142], 20.00th=[ 155], | 30.00th=[ 165], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 194], | 70.00th=[ 211], 80.00th=[ 228], 90.00th=[ 266], 95.00th=[ 284], | 99.00th=[ 321], 99.50th=[ 326], 99.90th=[ 334], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 182, max= 480, per=25.06%, avg=330.02, stdev=66.70, samples=61 iops : min= 45, max= 120, avg=82.08, stdev=16.72, samples=61 lat (msec) : 20=0.04%, 50=0.12%, 100=0.08%, 250=87.50%, 500=12.27% cpu : usr=0.26%, sys=1.21%, ctx=2536, 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=179166: Mon Jul 13 11:06:15 2026 write: IOPS=82, BW=330KiB/s (338kB/s)(10.0MiB/31046msec); 0 zone resets slat (usec): min=37, max=20774, avg=315.09, stdev=1000.23 clat (msec): min=47, max=353, avg=193.50, stdev=46.68 lat (msec): min=47, max=354, avg=193.82, stdev=46.71 clat percentiles (msec): | 1.00th=[ 117], 5.00th=[ 138], 10.00th=[ 142], 20.00th=[ 155], | 30.00th=[ 165], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 232], 90.00th=[ 264], 95.00th=[ 288], | 99.00th=[ 321], 99.50th=[ 330], 99.90th=[ 351], 99.95th=[ 351], | 99.99th=[ 355] bw ( KiB/s): min= 174, max= 504, per=25.06%, avg=330.02, stdev=69.79, samples=61 iops : min= 43, max= 126, avg=82.08, stdev=17.53, samples=61 lat (msec) : 50=0.08%, 100=0.20%, 250=87.70%, 500=12.03% cpu : usr=0.12%, sys=1.09%, ctx=1945, 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=179167: Mon Jul 13 11:06:15 2026 write: IOPS=82, BW=329KiB/s (337kB/s)(10.0MiB/31083msec); 0 zone resets slat (usec): min=36, max=20250, avg=382.32, stdev=1153.09 clat (msec): min=18, max=336, avg=193.28, stdev=45.80 lat (msec): min=19, max=341, avg=193.67, stdev=45.80 clat percentiles (msec): | 1.00th=[ 121], 5.00th=[ 136], 10.00th=[ 144], 20.00th=[ 155], | 30.00th=[ 165], 40.00th=[ 174], 50.00th=[ 184], 60.00th=[ 197], | 70.00th=[ 211], 80.00th=[ 230], 90.00th=[ 264], 95.00th=[ 292], | 99.00th=[ 326], 99.50th=[ 326], 99.90th=[ 334], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 230, max= 475, per=24.89%, avg=327.84, stdev=63.35, samples=61 iops : min= 57, max= 118, avg=81.54, stdev=15.88, samples=61 lat (msec) : 20=0.04%, 50=0.04%, 100=0.12%, 250=87.54%, 500=12.27% cpu : usr=0.14%, sys=1.29%, ctx=2697, 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=1318KiB/s (1349kB/s), 329KiB/s-330KiB/s (337kB/s-338kB/s), io=40.0MiB (41.9MB), run=31040-31083msec 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=179182: Mon Jul 13 11:07:02 2026 read: IOPS=34, BW=138KiB/s (142kB/s)(5048KiB/36465msec) slat (usec): min=2279, max=87548, avg=16736.49, stdev=10214.31 clat (msec): min=27, max=509, avg=216.50, stdev=70.43 lat (msec): min=37, max=544, avg=233.24, stdev=74.28 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 123], 10.00th=[ 142], 20.00th=[ 165], | 30.00th=[ 178], 40.00th=[ 192], 50.00th=[ 207], 60.00th=[ 222], | 70.00th=[ 241], 80.00th=[ 266], 90.00th=[ 300], 95.00th=[ 351], | 99.00th=[ 460], 99.50th=[ 477], 99.90th=[ 510], 99.95th=[ 510], | 99.99th=[ 510] bw ( KiB/s): min= 21, max= 263, per=24.93%, avg=137.10, stdev=41.13, samples=72 iops : min= 5, max= 65, avg=33.76, stdev=10.32, samples=72 write: IOPS=35, BW=142KiB/s (146kB/s)(5192KiB/36465msec); 0 zone resets slat (usec): min=41, max=17267, avg=315.57, stdev=781.76 clat (msec): min=42, max=492, avg=218.41, stdev=64.73 lat (msec): min=43, max=492, avg=218.73, stdev=64.76 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 127], 10.00th=[ 146], 20.00th=[ 171], | 30.00th=[ 184], 40.00th=[ 199], 50.00th=[ 211], 60.00th=[ 224], | 70.00th=[ 239], 80.00th=[ 262], 90.00th=[ 296], 95.00th=[ 355], | 99.00th=[ 439], 99.50th=[ 468], 99.90th=[ 477], 99.95th=[ 493], | 99.99th=[ 493] bw ( KiB/s): min= 7, max= 270, per=24.73%, avg=141.47, stdev=49.51, samples=72 iops : min= 1, max= 67, avg=34.87, stdev=12.42, samples=72 lat (msec) : 50=0.16%, 100=1.52%, 250=73.83%, 500=24.38%, 750=0.12% cpu : usr=0.26%, sys=1.85%, ctx=4490, 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=179183: Mon Jul 13 11:07:02 2026 read: IOPS=34, BW=137KiB/s (140kB/s)(4976KiB/36351msec) slat (usec): min=97, max=68206, avg=16840.47, stdev=10101.29 clat (msec): min=74, max=479, avg=215.36, stdev=67.32 lat (msec): min=89, max=512, avg=232.21, stdev=71.10 clat percentiles (msec): | 1.00th=[ 95], 5.00th=[ 123], 10.00th=[ 138], 20.00th=[ 163], | 30.00th=[ 178], 40.00th=[ 190], 50.00th=[ 205], 60.00th=[ 222], | 70.00th=[ 239], 80.00th=[ 266], 90.00th=[ 305], 95.00th=[ 347], | 99.00th=[ 414], 99.50th=[ 426], 99.90th=[ 472], 99.95th=[ 481], | 99.99th=[ 481] bw ( KiB/s): min= 64, max= 247, per=24.73%, avg=136.01, stdev=39.24, samples=72 iops : min= 16, max= 61, avg=33.50, stdev= 9.85, samples=72 write: IOPS=36, BW=145KiB/s (148kB/s)(5264KiB/36351msec); 0 zone resets slat (usec): min=38, max=26722, avg=387.17, stdev=1375.17 clat (msec): min=62, max=492, avg=221.19, stdev=64.33 lat (msec): min=62, max=492, avg=221.58, stdev=64.48 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 133], 10.00th=[ 148], 20.00th=[ 171], | 30.00th=[ 188], 40.00th=[ 201], 50.00th=[ 211], 60.00th=[ 226], | 70.00th=[ 243], 80.00th=[ 266], 90.00th=[ 309], 95.00th=[ 351], | 99.00th=[ 418], 99.50th=[ 435], 99.90th=[ 468], 99.95th=[ 493], | 99.99th=[ 493] bw ( KiB/s): min= 55, max= 248, per=25.22%, avg=144.24, stdev=44.45, samples=72 iops : min= 13, max= 62, avg=35.56, stdev=11.15, samples=72 lat (msec) : 100=1.45%, 250=73.36%, 500=25.20% cpu : usr=0.28%, sys=1.94%, ctx=4245, 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=179184: Mon Jul 13 11:07:02 2026 read: IOPS=34, BW=137KiB/s (140kB/s)(4984KiB/36326msec) slat (usec): min=2231, max=87018, avg=16531.84, stdev=9827.38 clat (msec): min=84, max=451, avg=212.83, stdev=63.98 lat (msec): min=91, max=492, avg=229.37, stdev=67.52 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 121], 10.00th=[ 142], 20.00th=[ 163], | 30.00th=[ 178], 40.00th=[ 192], 50.00th=[ 203], 60.00th=[ 218], | 70.00th=[ 236], 80.00th=[ 259], 90.00th=[ 296], 95.00th=[ 338], | 99.00th=[ 405], 99.50th=[ 422], 99.90th=[ 439], 99.95th=[ 451], | 99.99th=[ 451] bw ( KiB/s): min= 21, max= 240, per=24.88%, avg=136.86, stdev=42.63, samples=72 iops : min= 5, max= 60, avg=33.71, stdev=10.69, samples=72 write: IOPS=36, BW=145KiB/s (148kB/s)(5256KiB/36326msec); 0 zone resets slat (usec): min=39, max=15157, avg=421.22, stdev=1248.29 clat (msec): min=79, max=520, avg=220.93, stdev=65.90 lat (msec): min=79, max=520, avg=221.35, stdev=65.96 clat percentiles (msec): | 1.00th=[ 100], 5.00th=[ 129], 10.00th=[ 148], 20.00th=[ 169], | 30.00th=[ 186], 40.00th=[ 201], 50.00th=[ 211], 60.00th=[ 228], | 70.00th=[ 243], 80.00th=[ 264], 90.00th=[ 309], 95.00th=[ 355], | 99.00th=[ 414], 99.50th=[ 464], 99.90th=[ 493], 99.95th=[ 518], | 99.99th=[ 518] bw ( KiB/s): min= 28, max= 271, per=25.09%, avg=143.54, stdev=45.34, samples=72 iops : min= 7, max= 67, avg=35.40, stdev=11.36, samples=72 lat (msec) : 100=1.29%, 250=74.22%, 500=24.45%, 750=0.04% cpu : usr=0.24%, sys=1.95%, ctx=4015, 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=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=179185: Mon Jul 13 11:07:02 2026 read: IOPS=34, BW=139KiB/s (142kB/s)(5060KiB/36464msec) slat (usec): min=2012, max=69334, avg=16589.00, stdev=9786.21 clat (msec): min=28, max=545, avg=214.81, stdev=68.83 lat (msec): min=37, max=571, avg=231.41, stdev=72.73 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 117], 10.00th=[ 138], 20.00th=[ 161], | 30.00th=[ 176], 40.00th=[ 190], 50.00th=[ 207], 60.00th=[ 224], | 70.00th=[ 243], 80.00th=[ 268], 90.00th=[ 305], 95.00th=[ 347], | 99.00th=[ 430], 99.50th=[ 456], 99.90th=[ 477], 99.95th=[ 550], | 99.99th=[ 550] bw ( KiB/s): min= 7, max= 231, per=24.93%, avg=137.13, stdev=41.27, samples=72 iops : min= 1, max= 57, avg=33.76, stdev=10.35, samples=72 write: IOPS=35, BW=142KiB/s (145kB/s)(5180KiB/36464msec); 0 zone resets slat (usec): min=38, max=17671, avg=339.17, stdev=928.59 clat (msec): min=37, max=514, avg=219.86, stdev=67.31 lat (msec): min=37, max=515, avg=220.20, stdev=67.32 clat percentiles (msec): | 1.00th=[ 96], 5.00th=[ 123], 10.00th=[ 148], 20.00th=[ 169], | 30.00th=[ 186], 40.00th=[ 199], 50.00th=[ 213], 60.00th=[ 226], | 70.00th=[ 243], 80.00th=[ 262], 90.00th=[ 300], 95.00th=[ 351], | 99.00th=[ 460], 99.50th=[ 481], 99.90th=[ 510], 99.95th=[ 514], | 99.99th=[ 514] bw ( KiB/s): min= 29, max= 280, per=24.58%, avg=140.58, stdev=45.30, samples=72 iops : min= 7, max= 70, avg=34.65, stdev=11.36, samples=72 lat (msec) : 50=0.23%, 100=1.64%, 250=72.77%, 500=25.20%, 750=0.16% cpu : usr=0.24%, sys=1.92%, ctx=4110, 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=550KiB/s (564kB/s), 137KiB/s-139KiB/s (140kB/s-142kB/s), io=19.6MiB (20.5MB), run=36326-36465msec WRITE: bw=573KiB/s (587kB/s), 142KiB/s-145KiB/s (145kB/s-148kB/s), io=20.4MiB (21.4MB), run=36326-36465msec 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=179194: Mon Jul 13 11:07:10 2026 read: IOPS=2, BW=84.6MiB/s (88.7MB/s)(40.0MiB/473msec) slat (nsec): min=21652k, max=21652k, avg=21651944.00, stdev= 0.00 clat (nsec): min=420227k, max=420227k, avg=420227085.00, stdev= 0.00 lat (nsec): min=441884k, max=441884k, avg=441884384.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 422], 5.00th=[ 422], 10.00th=[ 422], 20.00th=[ 422], | 30.00th=[ 422], 40.00th=[ 422], 50.00th=[ 422], 60.00th=[ 422], | 70.00th=[ 422], 80.00th=[ 422], 90.00th=[ 422], 95.00th=[ 422], | 99.00th=[ 422], 99.50th=[ 422], 99.90th=[ 422], 99.95th=[ 422], | 99.99th=[ 422] lat (msec) : 500=100.00% cpu : usr=0.00%, sys=2.54%, ctx=5, 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=84.6MiB/s (88.7MB/s), 84.6MiB/s-84.6MiB/s (88.7MB/s-88.7MB/s), io=40.0MiB (41.9MB), run=473-473msec 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