== sanity test 398c: run fio to test AIO ================= 16:48:05 (1771969685) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.127864 s, 328 MB/s osc.lustre-OST0000-osc-ffff91e4d1015000.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=122205: Tue Feb 24 16:48:33 2026 write: IOPS=103, BW=412KiB/s (422kB/s)(10.0MiB/24836msec); 0 zone resets slat (usec): min=25, max=467, avg=105.33, stdev=52.60 clat (msec): min=40, max=246, avg=155.02, stdev=27.59 lat (msec): min=40, max=246, avg=155.12, stdev=27.59 clat percentiles (msec): | 1.00th=[ 86], 5.00th=[ 109], 10.00th=[ 122], 20.00th=[ 136], | 30.00th=[ 142], 40.00th=[ 148], 50.00th=[ 155], 60.00th=[ 163], | 70.00th=[ 169], 80.00th=[ 178], 90.00th=[ 188], 95.00th=[ 201], | 99.00th=[ 224], 99.50th=[ 234], 99.90th=[ 243], 99.95th=[ 247], | 99.99th=[ 247] bw ( KiB/s): min= 296, max= 615, per=24.90%, avg=410.59, stdev=48.64, samples=49 iops : min= 74, max= 153, avg=102.63, stdev=12.09, samples=49 lat (msec) : 50=0.08%, 100=2.93%, 250=96.99% cpu : usr=0.14%, sys=1.04%, ctx=2057, 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=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=122206: Tue Feb 24 16:48:33 2026 write: IOPS=103, BW=413KiB/s (423kB/s)(10.0MiB/24804msec); 0 zone resets slat (usec): min=29, max=597, avg=104.57, stdev=50.59 clat (msec): min=18, max=291, avg=154.83, stdev=28.87 lat (msec): min=18, max=291, avg=154.94, stdev=28.87 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 108], 10.00th=[ 121], 20.00th=[ 136], | 30.00th=[ 142], 40.00th=[ 148], 50.00th=[ 155], 60.00th=[ 161], | 70.00th=[ 169], 80.00th=[ 178], 90.00th=[ 188], 95.00th=[ 199], | 99.00th=[ 234], 99.50th=[ 243], 99.90th=[ 271], 99.95th=[ 292], | 99.99th=[ 292] bw ( KiB/s): min= 320, max= 672, per=24.96%, avg=411.59, stdev=53.94, samples=49 iops : min= 80, max= 168, avg=102.90, stdev=13.48, samples=49 lat (msec) : 20=0.08%, 50=0.27%, 100=3.05%, 250=96.33%, 500=0.27% cpu : usr=0.17%, sys=1.02%, ctx=2133, 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=122207: Tue Feb 24 16:48:33 2026 write: IOPS=103, BW=413KiB/s (423kB/s)(10.0MiB/24804msec); 0 zone resets slat (usec): min=29, max=557, avg=104.99, stdev=50.94 clat (msec): min=73, max=280, avg=154.80, stdev=27.53 lat (msec): min=73, max=280, avg=154.90, stdev=27.54 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 108], 10.00th=[ 122], 20.00th=[ 134], | 30.00th=[ 142], 40.00th=[ 148], 50.00th=[ 155], 60.00th=[ 161], | 70.00th=[ 169], 80.00th=[ 178], 90.00th=[ 188], 95.00th=[ 201], | 99.00th=[ 226], 99.50th=[ 236], 99.90th=[ 247], 99.95th=[ 271], | 99.99th=[ 279] bw ( KiB/s): min= 312, max= 614, per=24.98%, avg=411.88, stdev=47.10, samples=49 iops : min= 78, max= 153, avg=102.96, stdev=11.73, samples=49 lat (msec) : 100=3.12%, 250=96.80%, 500=0.08% cpu : usr=0.12%, sys=1.07%, ctx=2048, 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=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=122208: Tue Feb 24 16:48:33 2026 write: IOPS=103, BW=412KiB/s (422kB/s)(10.0MiB/24837msec); 0 zone resets slat (usec): min=26, max=492, avg=105.57, stdev=50.58 clat (msec): min=65, max=247, avg=155.03, stdev=27.48 lat (msec): min=66, max=247, avg=155.13, stdev=27.48 clat percentiles (msec): | 1.00th=[ 90], 5.00th=[ 108], 10.00th=[ 123], 20.00th=[ 134], | 30.00th=[ 142], 40.00th=[ 148], 50.00th=[ 155], 60.00th=[ 163], | 70.00th=[ 169], 80.00th=[ 178], 90.00th=[ 188], 95.00th=[ 201], | 99.00th=[ 226], 99.50th=[ 234], 99.90th=[ 247], 99.95th=[ 247], | 99.99th=[ 247] bw ( KiB/s): min= 328, max= 614, per=24.89%, avg=410.41, stdev=47.91, samples=49 iops : min= 82, max= 153, avg=102.59, stdev=11.93, samples=49 lat (msec) : 100=2.70%, 250=97.30% cpu : usr=0.20%, sys=0.99%, ctx=2060, 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=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=1649KiB/s (1689kB/s), 412KiB/s-413KiB/s (422kB/s-423kB/s), io=40.0MiB (41.9MB), run=24804-24837msec 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=122221: Tue Feb 24 16:48:51 2026 read: IOPS=82, BW=330KiB/s (338kB/s)(5048KiB/15296msec) slat (usec): min=35, max=3555, avg=1246.41, stdev=357.06 clat (usec): min=1434, max=125012, avg=63134.06, stdev=11842.61 lat (usec): min=1518, max=126146, avg=64381.98, stdev=11908.52 clat percentiles (msec): | 1.00th=[ 18], 5.00th=[ 47], 10.00th=[ 51], 20.00th=[ 55], | 30.00th=[ 58], 40.00th=[ 62], 50.00th=[ 64], 60.00th=[ 66], | 70.00th=[ 69], 80.00th=[ 72], 90.00th=[ 78], 95.00th=[ 81], | 99.00th=[ 89], 99.50th=[ 92], 99.90th=[ 125], 99.95th=[ 126], | 99.99th=[ 126] bw ( KiB/s): min= 232, max= 440, per=25.33%, avg=330.33, stdev=54.01, samples=30 iops : min= 58, max= 110, avg=82.57, stdev=13.48, samples=30 write: IOPS=84, BW=339KiB/s (348kB/s)(5192KiB/15296msec); 0 zone resets slat (usec): min=30, max=975, avg=94.62, stdev=52.22 clat (msec): min=14, max=255, avg=125.72, stdev=29.85 lat (msec): min=14, max=255, avg=125.81, stdev=29.85 clat percentiles (msec): | 1.00th=[ 64], 5.00th=[ 80], 10.00th=[ 89], 20.00th=[ 101], | 30.00th=[ 109], 40.00th=[ 118], 50.00th=[ 127], 60.00th=[ 134], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 163], 95.00th=[ 174], | 99.00th=[ 199], 99.50th=[ 201], 99.90th=[ 239], 99.95th=[ 255], | 99.99th=[ 255] bw ( KiB/s): min= 272, max= 424, per=24.97%, avg=338.90, stdev=41.15, samples=30 iops : min= 68, max= 106, avg=84.70, stdev=10.26, samples=30 lat (msec) : 2=0.12%, 4=0.08%, 10=0.04%, 20=0.47%, 50=4.14% lat (msec) : 100=54.49%, 250=40.62%, 500=0.04% cpu : usr=0.27%, sys=2.05%, ctx=3230, 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=122222: Tue Feb 24 16:48:51 2026 read: IOPS=80, BW=323KiB/s (331kB/s)(4976KiB/15389msec) slat (usec): min=698, max=3649, avg=1262.21, stdev=332.28 clat (usec): min=1113, max=137832, avg=63918.42, stdev=11467.73 lat (msec): min=2, max=138, avg=65.18, stdev=11.48 clat percentiles (msec): | 1.00th=[ 41], 5.00th=[ 49], 10.00th=[ 52], 20.00th=[ 55], | 30.00th=[ 59], 40.00th=[ 62], 50.00th=[ 64], 60.00th=[ 67], | 70.00th=[ 69], 80.00th=[ 73], 90.00th=[ 79], 95.00th=[ 81], | 99.00th=[ 91], 99.50th=[ 93], 99.90th=[ 138], 99.95th=[ 138], | 99.99th=[ 138] bw ( KiB/s): min= 192, max= 416, per=24.73%, avg=322.47, stdev=53.02, samples=30 iops : min= 48, max= 104, avg=80.60, stdev=13.25, samples=30 write: IOPS=85, BW=342KiB/s (350kB/s)(5264KiB/15389msec); 0 zone resets slat (usec): min=25, max=1123, avg=94.24, stdev=55.11 clat (msec): min=39, max=218, avg=125.18, stdev=29.03 lat (msec): min=40, max=218, avg=125.28, stdev=29.03 clat percentiles (msec): | 1.00th=[ 57], 5.00th=[ 79], 10.00th=[ 88], 20.00th=[ 101], | 30.00th=[ 110], 40.00th=[ 118], 50.00th=[ 126], 60.00th=[ 134], | 70.00th=[ 142], 80.00th=[ 150], 90.00th=[ 163], 95.00th=[ 174], | 99.00th=[ 192], 99.50th=[ 209], 99.90th=[ 220], 99.95th=[ 220], | 99.99th=[ 220] bw ( KiB/s): min= 296, max= 424, per=25.19%, avg=341.77, stdev=31.07, samples=30 iops : min= 74, max= 106, avg=85.43, stdev= 7.76, samples=30 lat (msec) : 2=0.08%, 4=0.04%, 10=0.08%, 20=0.12%, 50=3.16% lat (msec) : 100=55.27%, 250=41.25% cpu : usr=0.23%, sys=2.11%, ctx=3118, 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=122223: Tue Feb 24 16:48:51 2026 read: IOPS=80, BW=324KiB/s (332kB/s)(4984KiB/15389msec) slat (usec): min=715, max=3717, avg=1250.89, stdev=324.08 clat (usec): min=1289, max=95514, avg=63227.12, stdev=11048.29 lat (usec): min=2428, max=97248, avg=64479.57, stdev=11070.28 clat percentiles (usec): | 1.00th=[34341], 5.00th=[47973], 10.00th=[51119], 20.00th=[54789], | 30.00th=[57934], 40.00th=[60556], 50.00th=[63701], 60.00th=[65799], | 70.00th=[67634], 80.00th=[71828], 90.00th=[77071], 95.00th=[80217], | 99.00th=[87557], 99.50th=[90702], 99.90th=[94897], 99.95th=[95945], | 99.99th=[95945] bw ( KiB/s): min= 208, max= 480, per=24.83%, avg=323.77, stdev=64.78, samples=30 iops : min= 52, max= 120, avg=80.93, stdev=16.19, samples=30 write: IOPS=85, BW=342KiB/s (350kB/s)(5256KiB/15389msec); 0 zone resets slat (usec): min=27, max=517, avg=96.90, stdev=50.84 clat (msec): min=26, max=213, avg=125.98, stdev=30.01 lat (msec): min=26, max=213, avg=126.08, stdev=30.01 clat percentiles (msec): | 1.00th=[ 53], 5.00th=[ 79], 10.00th=[ 89], 20.00th=[ 102], | 30.00th=[ 110], 40.00th=[ 118], 50.00th=[ 127], 60.00th=[ 134], | 70.00th=[ 144], 80.00th=[ 153], 90.00th=[ 165], 95.00th=[ 174], | 99.00th=[ 188], 99.50th=[ 201], 99.90th=[ 209], 99.95th=[ 213], | 99.99th=[ 213] bw ( KiB/s): min= 256, max= 400, per=24.87%, avg=337.50, stdev=32.69, samples=30 iops : min= 64, max= 100, avg=84.37, stdev= 8.16, samples=30 lat (msec) : 2=0.08%, 10=0.16%, 20=0.20%, 50=3.55%, 100=54.69% lat (msec) : 250=41.33% cpu : usr=0.23%, sys=2.10%, ctx=3237, 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=122224: Tue Feb 24 16:48:51 2026 read: IOPS=82, BW=330KiB/s (338kB/s)(5060KiB/15343msec) slat (usec): min=724, max=3836, avg=1255.10, stdev=364.30 clat (usec): min=1288, max=121719, avg=63733.99, stdev=11083.17 lat (msec): min=3, max=123, avg=64.99, stdev=11.10 clat percentiles (msec): | 1.00th=[ 39], 5.00th=[ 49], 10.00th=[ 52], 20.00th=[ 55], | 30.00th=[ 58], 40.00th=[ 62], 50.00th=[ 64], 60.00th=[ 67], | 70.00th=[ 69], 80.00th=[ 73], 90.00th=[ 79], 95.00th=[ 81], | 99.00th=[ 91], 99.50th=[ 94], 99.90th=[ 122], 99.95th=[ 123], | 99.99th=[ 123] bw ( KiB/s): min= 200, max= 440, per=25.40%, avg=331.23, stdev=52.94, samples=30 iops : min= 50, max= 110, avg=82.80, stdev=13.23, samples=30 write: IOPS=84, BW=338KiB/s (346kB/s)(5180KiB/15343msec); 0 zone resets slat (usec): min=29, max=463, avg=93.63, stdev=48.09 clat (msec): min=41, max=216, avg=125.77, stdev=28.70 lat (msec): min=41, max=216, avg=125.86, stdev=28.70 clat percentiles (msec): | 1.00th=[ 65], 5.00th=[ 81], 10.00th=[ 89], 20.00th=[ 101], | 30.00th=[ 110], 40.00th=[ 118], 50.00th=[ 127], 60.00th=[ 133], | 70.00th=[ 142], 80.00th=[ 153], 90.00th=[ 163], 95.00th=[ 174], | 99.00th=[ 192], 99.50th=[ 197], 99.90th=[ 213], 99.95th=[ 218], | 99.99th=[ 218] bw ( KiB/s): min= 272, max= 400, per=24.80%, avg=336.50, stdev=33.39, samples=30 iops : min= 68, max= 100, avg=84.10, stdev= 8.33, samples=30 lat (msec) : 2=0.04%, 10=0.04%, 20=0.23%, 50=3.55%, 100=55.35% lat (msec) : 250=40.78% cpu : usr=0.25%, sys=2.10%, ctx=3196, 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=1304KiB/s (1335kB/s), 323KiB/s-330KiB/s (331kB/s-338kB/s), io=19.6MiB (20.5MB), run=15296-15389msec WRITE: bw=1358KiB/s (1390kB/s), 338KiB/s-342KiB/s (346kB/s-350kB/s), io=20.4MiB (21.4MB), run=15296-15389msec 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=122230: Tue Feb 24 16:48:55 2026 read: IOPS=9, BW=392MiB/s (411MB/s)(40.0MiB/102msec) slat (nsec): min=9350.1k, max=9350.1k, avg=9350139.00, stdev= 0.00 clat (nsec): min=88880k, max=88880k, avg=88880260.00, stdev= 0.00 lat (nsec): min=98233k, max=98233k, avg=98233279.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[88605], 5.00th=[88605], 10.00th=[88605], 20.00th=[88605], | 30.00th=[88605], 40.00th=[88605], 50.00th=[88605], 60.00th=[88605], | 70.00th=[88605], 80.00th=[88605], 90.00th=[88605], 95.00th=[88605], | 99.00th=[88605], 99.50th=[88605], 99.90th=[88605], 99.95th=[88605], | 99.99th=[88605] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=9.90%, ctx=3, 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=392MiB/s (411MB/s), 392MiB/s-392MiB/s (411MB/s-411MB/s), io=40.0MiB (41.9MB), run=102-102msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck