== sanity test 398c: run fio to test AIO ================= 14:34:09 (1781030049) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.16066 s, 261 MB/s osc.lustre-OST0000-osc-ffffa096b2cc4800.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=151618: Tue Jun 9 14:34:42 2026 write: IOPS=85, BW=343KiB/s (351kB/s)(10.0MiB/29865msec); 0 zone resets slat (usec): min=44, max=995, avg=248.90, stdev=116.83 clat (msec): min=80, max=311, avg=186.21, stdev=32.63 lat (msec): min=80, max=311, avg=186.46, stdev=32.64 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 131], 10.00th=[ 146], 20.00th=[ 163], | 30.00th=[ 171], 40.00th=[ 180], 50.00th=[ 186], 60.00th=[ 194], | 70.00th=[ 203], 80.00th=[ 211], 90.00th=[ 228], 95.00th=[ 241], | 99.00th=[ 268], 99.50th=[ 284], 99.90th=[ 305], 99.95th=[ 305], | 99.99th=[ 313] bw ( KiB/s): min= 256, max= 520, per=24.99%, avg=342.63, stdev=44.88, samples=59 iops : min= 64, max= 130, avg=85.64, stdev=11.21, samples=59 lat (msec) : 100=0.31%, 250=96.76%, 500=2.93% cpu : usr=0.13%, sys=1.78%, ctx=2773, 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=151619: Tue Jun 9 14:34:42 2026 write: IOPS=85, BW=343KiB/s (351kB/s)(10.0MiB/29865msec); 0 zone resets slat (usec): min=52, max=1153, avg=248.24, stdev=119.77 clat (msec): min=79, max=344, avg=186.18, stdev=32.78 lat (msec): min=80, max=345, avg=186.42, stdev=32.79 clat percentiles (msec): | 1.00th=[ 104], 5.00th=[ 133], 10.00th=[ 148], 20.00th=[ 163], | 30.00th=[ 171], 40.00th=[ 180], 50.00th=[ 186], 60.00th=[ 194], | 70.00th=[ 201], 80.00th=[ 211], 90.00th=[ 228], 95.00th=[ 239], | 99.00th=[ 264], 99.50th=[ 284], 99.90th=[ 334], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 256, max= 520, per=25.01%, avg=342.90, stdev=45.40, samples=59 iops : min= 64, max= 130, avg=85.71, stdev=11.34, samples=59 lat (msec) : 100=0.74%, 250=96.29%, 500=2.97% cpu : usr=0.15%, sys=1.74%, ctx=2797, 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=151620: Tue Jun 9 14:34:42 2026 write: IOPS=85, BW=343KiB/s (352kB/s)(10.0MiB/29819msec); 0 zone resets slat (usec): min=54, max=821, avg=231.50, stdev=119.49 clat (msec): min=37, max=367, avg=186.00, stdev=34.38 lat (msec): min=38, max=368, avg=186.23, stdev=34.40 clat percentiles (msec): | 1.00th=[ 91], 5.00th=[ 130], 10.00th=[ 148], 20.00th=[ 163], | 30.00th=[ 171], 40.00th=[ 180], 50.00th=[ 186], 60.00th=[ 192], | 70.00th=[ 201], 80.00th=[ 213], 90.00th=[ 228], 95.00th=[ 241], | 99.00th=[ 264], 99.50th=[ 279], 99.90th=[ 355], 99.95th=[ 355], | 99.99th=[ 368] bw ( KiB/s): min= 264, max= 624, per=24.99%, avg=342.63, stdev=53.08, samples=59 iops : min= 66, max= 156, avg=85.64, stdev=13.26, samples=59 lat (msec) : 50=0.62%, 100=0.66%, 250=96.02%, 500=2.70% cpu : usr=0.14%, sys=1.61%, ctx=2856, 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=151621: Tue Jun 9 14:34:42 2026 write: IOPS=85, BW=343KiB/s (351kB/s)(10.0MiB/29866msec); 0 zone resets slat (usec): min=47, max=1119, avg=244.66, stdev=116.13 clat (msec): min=38, max=344, avg=186.23, stdev=33.67 lat (msec): min=38, max=345, avg=186.48, stdev=33.67 clat percentiles (msec): | 1.00th=[ 101], 5.00th=[ 133], 10.00th=[ 148], 20.00th=[ 163], | 30.00th=[ 171], 40.00th=[ 180], 50.00th=[ 186], 60.00th=[ 194], | 70.00th=[ 203], 80.00th=[ 211], 90.00th=[ 228], 95.00th=[ 241], | 99.00th=[ 264], 99.50th=[ 279], 99.90th=[ 321], 99.95th=[ 347], | 99.99th=[ 347] bw ( KiB/s): min= 256, max= 552, per=24.97%, avg=342.36, stdev=47.77, samples=59 iops : min= 64, max= 138, avg=85.58, stdev=11.93, samples=59 lat (msec) : 50=0.12%, 100=0.86%, 250=96.02%, 500=3.01% cpu : usr=0.19%, sys=1.68%, ctx=2796, 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=1371KiB/s (1404kB/s), 343KiB/s-343KiB/s (351kB/s-352kB/s), io=40.0MiB (41.9MB), run=29819-29866msec 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=151634: Tue Jun 9 14:35:05 2026 read: IOPS=64, BW=257KiB/s (263kB/s)(5048KiB/19646msec) slat (usec): min=998, max=10961, avg=2494.09, stdev=884.98 clat (msec): min=3, max=158, avg=76.09, stdev=15.51 lat (msec): min=5, max=161, avg=78.58, stdev=15.69 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 56], 10.00th=[ 59], 20.00th=[ 65], | 30.00th=[ 68], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 79], | 70.00th=[ 83], 80.00th=[ 88], 90.00th=[ 97], 95.00th=[ 104], | 99.00th=[ 116], 99.50th=[ 123], 99.90th=[ 138], 99.95th=[ 159], | 99.99th=[ 159] bw ( KiB/s): min= 152, max= 368, per=25.17%, avg=256.95, stdev=61.21, samples=38 iops : min= 38, max= 92, avg=64.21, stdev=15.31, samples=38 write: IOPS=66, BW=264KiB/s (271kB/s)(5192KiB/19646msec); 0 zone resets slat (usec): min=56, max=891, avg=193.63, stdev=98.93 clat (msec): min=67, max=275, avg=164.89, stdev=41.30 lat (msec): min=67, max=276, avg=165.09, stdev=41.30 clat percentiles (msec): | 1.00th=[ 89], 5.00th=[ 102], 10.00th=[ 112], 20.00th=[ 127], | 30.00th=[ 140], 40.00th=[ 153], 50.00th=[ 165], 60.00th=[ 176], | 70.00th=[ 186], 80.00th=[ 203], 90.00th=[ 222], 95.00th=[ 236], | 99.00th=[ 257], 99.50th=[ 268], 99.90th=[ 275], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 136, max= 355, per=24.84%, avg=264.03, stdev=47.46, samples=38 iops : min= 34, max= 88, avg=65.97, stdev=11.82, samples=38 lat (msec) : 4=0.08%, 10=0.08%, 20=0.20%, 50=0.82%, 100=47.19% lat (msec) : 250=50.20%, 500=1.45% cpu : usr=0.20%, sys=2.46%, ctx=4918, 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=151635: Tue Jun 9 14:35:05 2026 read: IOPS=63, BW=253KiB/s (259kB/s)(4976KiB/19636msec) slat (usec): min=996, max=8477, avg=2476.90, stdev=877.78 clat (msec): min=6, max=178, avg=75.49, stdev=16.52 lat (msec): min=8, max=181, avg=77.97, stdev=16.68 clat percentiles (msec): | 1.00th=[ 25], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 64], | 30.00th=[ 68], 40.00th=[ 71], 50.00th=[ 74], 60.00th=[ 79], | 70.00th=[ 83], 80.00th=[ 88], 90.00th=[ 95], 95.00th=[ 102], | 99.00th=[ 122], 99.50th=[ 128], 99.90th=[ 176], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 112, max= 384, per=24.94%, avg=254.66, stdev=67.76, samples=38 iops : min= 28, max= 96, avg=63.63, stdev=16.95, samples=38 write: IOPS=67, BW=268KiB/s (275kB/s)(5264KiB/19636msec); 0 zone resets slat (usec): min=39, max=3861, avg=193.22, stdev=143.26 clat (msec): min=54, max=280, avg=164.36, stdev=40.96 lat (msec): min=54, max=280, avg=164.56, stdev=40.96 clat percentiles (msec): | 1.00th=[ 84], 5.00th=[ 99], 10.00th=[ 110], 20.00th=[ 128], | 30.00th=[ 142], 40.00th=[ 155], 50.00th=[ 165], 60.00th=[ 174], | 70.00th=[ 186], 80.00th=[ 201], 90.00th=[ 220], 95.00th=[ 234], | 99.00th=[ 259], 99.50th=[ 264], 99.90th=[ 279], 99.95th=[ 279], | 99.99th=[ 279] bw ( KiB/s): min= 176, max= 370, per=25.19%, avg=267.76, stdev=44.06, samples=38 iops : min= 44, max= 92, avg=66.89, stdev=10.98, samples=38 lat (msec) : 10=0.08%, 20=0.27%, 50=1.21%, 100=47.19%, 250=50.43% lat (msec) : 500=0.82% cpu : usr=0.25%, sys=2.42%, ctx=4875, 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=151636: Tue Jun 9 14:35:05 2026 read: IOPS=63, BW=254KiB/s (260kB/s)(4984KiB/19636msec) slat (usec): min=38, max=6866, avg=2461.11, stdev=886.95 clat (msec): min=3, max=159, avg=76.68, stdev=15.62 lat (msec): min=5, max=164, avg=79.15, stdev=15.82 clat percentiles (msec): | 1.00th=[ 46], 5.00th=[ 55], 10.00th=[ 59], 20.00th=[ 65], | 30.00th=[ 69], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 81], | 70.00th=[ 85], 80.00th=[ 90], 90.00th=[ 97], 95.00th=[ 102], | 99.00th=[ 120], 99.50th=[ 123], 99.90th=[ 140], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 151, max= 378, per=24.99%, avg=255.16, stdev=66.26, samples=38 iops : min= 37, max= 94, avg=63.74, stdev=16.57, samples=38 write: IOPS=66, BW=268KiB/s (274kB/s)(5256KiB/19636msec); 0 zone resets slat (usec): min=46, max=641, avg=189.46, stdev=92.53 clat (msec): min=39, max=284, avg=163.65, stdev=42.72 lat (msec): min=39, max=284, avg=163.84, stdev=42.73 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 99], 10.00th=[ 111], 20.00th=[ 125], | 30.00th=[ 138], 40.00th=[ 153], 50.00th=[ 163], 60.00th=[ 174], | 70.00th=[ 186], 80.00th=[ 203], 90.00th=[ 222], 95.00th=[ 236], | 99.00th=[ 268], 99.50th=[ 271], 99.90th=[ 284], 99.95th=[ 284], | 99.99th=[ 284] bw ( KiB/s): min= 168, max= 344, per=25.03%, avg=266.11, stdev=45.52, samples=38 iops : min= 42, max= 86, avg=66.47, stdev=11.35, samples=38 lat (msec) : 4=0.04%, 10=0.08%, 20=0.12%, 50=1.05%, 100=47.34% lat (msec) : 250=49.88%, 500=1.48% cpu : usr=0.23%, sys=2.44%, ctx=4837, 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=151637: Tue Jun 9 14:35:05 2026 read: IOPS=64, BW=258KiB/s (264kB/s)(5060KiB/19635msec) slat (usec): min=998, max=5608, avg=2460.89, stdev=838.16 clat (msec): min=6, max=179, avg=76.41, stdev=15.90 lat (msec): min=9, max=184, avg=78.87, stdev=16.07 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 56], 10.00th=[ 60], 20.00th=[ 65], | 30.00th=[ 69], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 80], | 70.00th=[ 83], 80.00th=[ 88], 90.00th=[ 96], 95.00th=[ 104], | 99.00th=[ 121], 99.50th=[ 128], 99.90th=[ 161], 99.95th=[ 180], | 99.99th=[ 180] bw ( KiB/s): min= 136, max= 400, per=25.44%, avg=259.74, stdev=61.91, samples=38 iops : min= 34, max= 100, avg=64.89, stdev=15.46, samples=38 write: IOPS=65, BW=264KiB/s (270kB/s)(5180KiB/19635msec); 0 zone resets slat (usec): min=56, max=3225, avg=195.97, stdev=131.61 clat (msec): min=74, max=274, avg=164.63, stdev=40.89 lat (msec): min=74, max=274, avg=164.82, stdev=40.88 clat percentiles (msec): | 1.00th=[ 83], 5.00th=[ 99], 10.00th=[ 113], 20.00th=[ 127], | 30.00th=[ 140], 40.00th=[ 153], 50.00th=[ 165], 60.00th=[ 174], | 70.00th=[ 186], 80.00th=[ 201], 90.00th=[ 220], 95.00th=[ 234], | 99.00th=[ 264], 99.50th=[ 271], 99.90th=[ 271], 99.95th=[ 275], | 99.99th=[ 275] bw ( KiB/s): min= 192, max= 352, per=24.78%, avg=263.39, stdev=43.56, samples=38 iops : min= 48, max= 88, avg=65.82, stdev=10.87, samples=38 lat (msec) : 10=0.04%, 20=0.27%, 50=0.59%, 100=48.09%, 250=50.00% lat (msec) : 500=1.02% cpu : usr=0.24%, sys=2.41%, ctx=5006, majf=0, minf=15 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=1021KiB/s (1046kB/s), 253KiB/s-258KiB/s (259kB/s-264kB/s), io=19.6MiB (20.5MB), run=19635-19646msec WRITE: bw=1063KiB/s (1089kB/s), 264KiB/s-268KiB/s (270kB/s-275kB/s), io=20.4MiB (21.4MB), run=19635-19646msec 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=151644: Tue Jun 9 14:35:09 2026 read: IOPS=8, BW=348MiB/s (365MB/s)(40.0MiB/115msec) slat (nsec): min=13221k, max=13221k, avg=13220593.00, stdev= 0.00 clat (nsec): min=96913k, max=96913k, avg=96913492.00, stdev= 0.00 lat (nsec): min=110138k, max=110138k, avg=110138140.00, stdev= 0.00 clat percentiles (usec): | 1.00th=[96994], 5.00th=[96994], 10.00th=[96994], 20.00th=[96994], | 30.00th=[96994], 40.00th=[96994], 50.00th=[96994], 60.00th=[96994], | 70.00th=[96994], 80.00th=[96994], 90.00th=[96994], 95.00th=[96994], | 99.00th=[96994], 99.50th=[96994], 99.90th=[96994], 99.95th=[96994], | 99.99th=[96994] lat (msec) : 100=100.00% cpu : usr=0.00%, sys=9.65%, ctx=18, majf=0, minf=8 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=348MiB/s (365MB/s), 348MiB/s-348MiB/s (365MB/s-365MB/s), io=40.0MiB (41.9MB), run=115-115msec 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