== sanity test 398c: run fio to test AIO ================= 03:54:21 (1780386861) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.174763 s, 240 MB/s osc.lustre-OST0000-osc-ffff906b2eb08000.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=180545: Tue Jun 2 03:54:38 2026 write: IOPS=208, BW=832KiB/s (852kB/s)(10.0MiB/12305msec); 0 zone resets slat (usec): min=37, max=6677, avg=179.39, stdev=263.47 clat (msec): min=7, max=140, avg=76.62, stdev=16.69 lat (msec): min=7, max=140, avg=76.80, stdev=16.70 clat percentiles (msec): | 1.00th=[ 35], 5.00th=[ 50], 10.00th=[ 57], 20.00th=[ 64], | 30.00th=[ 69], 40.00th=[ 73], 50.00th=[ 78], 60.00th=[ 81], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 97], 95.00th=[ 106], | 99.00th=[ 116], 99.50th=[ 117], 99.90th=[ 140], 99.95th=[ 140], | 99.99th=[ 140] bw ( KiB/s): min= 637, max= 1242, per=24.99%, avg=828.29, stdev=126.59, samples=24 iops : min= 159, max= 310, avg=206.92, stdev=31.63, samples=24 lat (msec) : 10=0.08%, 20=0.04%, 50=5.35%, 100=86.72%, 250=7.81% cpu : usr=0.33%, sys=2.32%, ctx=2710, 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=180546: Tue Jun 2 03:54:38 2026 write: IOPS=207, BW=830KiB/s (850kB/s)(10.0MiB/12343msec); 0 zone resets slat (usec): min=37, max=28310, avg=188.14, stdev=602.64 clat (msec): min=7, max=140, avg=76.51, stdev=16.91 lat (msec): min=7, max=140, avg=76.70, stdev=16.88 clat percentiles (msec): | 1.00th=[ 32], 5.00th=[ 49], 10.00th=[ 57], 20.00th=[ 63], | 30.00th=[ 69], 40.00th=[ 73], 50.00th=[ 78], 60.00th=[ 81], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 99], 95.00th=[ 104], | 99.00th=[ 118], 99.50th=[ 124], 99.90th=[ 140], 99.95th=[ 140], | 99.99th=[ 142] bw ( KiB/s): min= 637, max= 1134, per=24.95%, avg=827.17, stdev=109.53, samples=24 iops : min= 159, max= 283, avg=206.62, stdev=27.38, samples=24 lat (msec) : 10=0.12%, 20=0.08%, 50=4.96%, 100=87.23%, 250=7.62% cpu : usr=0.29%, sys=2.49%, ctx=2797, 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=180547: Tue Jun 2 03:54:38 2026 write: IOPS=208, BW=833KiB/s (853kB/s)(10.0MiB/12297msec); 0 zone resets slat (usec): min=35, max=5036, avg=197.95, stdev=284.87 clat (msec): min=7, max=157, avg=76.43, stdev=16.73 lat (msec): min=7, max=157, avg=76.63, stdev=16.73 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 48], 10.00th=[ 56], 20.00th=[ 64], | 30.00th=[ 69], 40.00th=[ 73], 50.00th=[ 78], 60.00th=[ 81], | 70.00th=[ 85], 80.00th=[ 89], 90.00th=[ 97], 95.00th=[ 105], | 99.00th=[ 117], 99.50th=[ 123], 99.90th=[ 134], 99.95th=[ 157], | 99.99th=[ 159] bw ( KiB/s): min= 637, max= 1165, per=25.05%, avg=830.42, stdev=114.25, samples=24 iops : min= 159, max= 291, avg=207.46, stdev=28.59, samples=24 lat (msec) : 10=0.08%, 20=0.08%, 50=5.66%, 100=85.62%, 250=8.55% cpu : usr=0.24%, sys=2.64%, ctx=2831, 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=180548: Tue Jun 2 03:54:38 2026 write: IOPS=207, BW=829KiB/s (849kB/s)(10.0MiB/12355msec); 0 zone resets slat (usec): min=36, max=3445, avg=180.31, stdev=235.02 clat (msec): min=11, max=123, avg=76.55, stdev=15.90 lat (msec): min=11, max=124, avg=76.73, stdev=15.90 clat percentiles (msec): | 1.00th=[ 37], 5.00th=[ 51], 10.00th=[ 55], 20.00th=[ 65], | 30.00th=[ 69], 40.00th=[ 74], 50.00th=[ 79], 60.00th=[ 81], | 70.00th=[ 85], 80.00th=[ 88], 90.00th=[ 96], 95.00th=[ 104], | 99.00th=[ 115], 99.50th=[ 118], 99.90th=[ 122], 99.95th=[ 125], | 99.99th=[ 125] bw ( KiB/s): min= 637, max= 1035, per=24.84%, avg=823.33, stdev=96.22, samples=24 iops : min= 159, max= 258, avg=205.67, stdev=24.06, samples=24 lat (msec) : 20=0.04%, 50=4.69%, 100=88.63%, 250=6.64% cpu : usr=0.25%, sys=2.17%, ctx=2859, 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=3315KiB/s (3395kB/s), 829KiB/s-833KiB/s (849kB/s-853kB/s), io=40.0MiB (41.9MB), run=12297-12355msec 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=180559: Tue Jun 2 03:54:54 2026 read: IOPS=100, BW=403KiB/s (412kB/s)(5048KiB/12537msec) slat (usec): min=1459, max=20069, avg=5203.90, stdev=2503.81 clat (msec): min=9, max=159, avg=73.49, stdev=16.33 lat (msec): min=12, max=168, avg=78.70, stdev=16.88 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 52], 10.00th=[ 55], 20.00th=[ 61], | 30.00th=[ 65], 40.00th=[ 69], 50.00th=[ 72], 60.00th=[ 75], | 70.00th=[ 80], 80.00th=[ 85], 90.00th=[ 94], 95.00th=[ 102], | 99.00th=[ 121], 99.50th=[ 150], 99.90th=[ 157], 99.95th=[ 161], | 99.99th=[ 161] bw ( KiB/s): min= 285, max= 488, per=25.19%, avg=403.00, stdev=56.43, samples=24 iops : min= 71, max= 122, avg=100.42, stdev=14.21, samples=24 write: IOPS=103, BW=414KiB/s (424kB/s)(5192KiB/12537msec); 0 zone resets slat (usec): min=43, max=7393, avg=207.55, stdev=401.97 clat (msec): min=37, max=149, avg=76.88, stdev=15.55 lat (msec): min=37, max=149, avg=77.09, stdev=15.54 clat percentiles (msec): | 1.00th=[ 51], 5.00th=[ 56], 10.00th=[ 60], 20.00th=[ 64], | 30.00th=[ 68], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 79], | 70.00th=[ 83], 80.00th=[ 88], 90.00th=[ 97], 95.00th=[ 105], | 99.00th=[ 127], 99.50th=[ 134], 99.90th=[ 142], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 280, max= 510, per=24.70%, avg=411.54, stdev=65.12, samples=24 iops : min= 70, max= 127, avg=102.54, stdev=16.31, samples=24 lat (msec) : 10=0.04%, 50=2.38%, 100=90.59%, 250=6.99% cpu : usr=0.31%, sys=3.33%, ctx=4697, 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=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=180560: Tue Jun 2 03:54:54 2026 read: IOPS=99, BW=399KiB/s (409kB/s)(4976KiB/12471msec) slat (usec): min=84, max=21910, avg=5174.18, stdev=2439.14 clat (msec): min=5, max=149, avg=73.82, stdev=16.05 lat (msec): min=9, max=154, avg=79.00, stdev=16.68 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 53], 10.00th=[ 56], 20.00th=[ 62], | 30.00th=[ 65], 40.00th=[ 69], 50.00th=[ 72], 60.00th=[ 77], | 70.00th=[ 81], 80.00th=[ 86], 90.00th=[ 93], 95.00th=[ 103], | 99.00th=[ 126], 99.50th=[ 133], 99.90th=[ 148], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 286, max= 480, per=24.97%, avg=399.58, stdev=53.14, samples=24 iops : min= 71, max= 120, avg=99.54, stdev=13.33, samples=24 write: IOPS=105, BW=422KiB/s (432kB/s)(5264KiB/12471msec); 0 zone resets slat (usec): min=56, max=4915, avg=198.28, stdev=278.65 clat (msec): min=6, max=150, avg=76.47, stdev=16.26 lat (msec): min=7, max=150, avg=76.67, stdev=16.26 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 65], | 30.00th=[ 69], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 79], | 70.00th=[ 83], 80.00th=[ 88], 90.00th=[ 96], 95.00th=[ 105], | 99.00th=[ 127], 99.50th=[ 132], 99.90th=[ 150], 99.95th=[ 150], | 99.99th=[ 150] bw ( KiB/s): min= 280, max= 528, per=25.36%, avg=422.42, stdev=58.61, samples=24 iops : min= 70, max= 132, avg=105.29, stdev=14.72, samples=24 lat (msec) : 10=0.08%, 20=0.04%, 50=2.81%, 100=90.47%, 250=6.60% cpu : usr=0.31%, sys=3.30%, ctx=4761, 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=180561: Tue Jun 2 03:54:54 2026 read: IOPS=99, BW=398KiB/s (408kB/s)(4984KiB/12511msec) slat (usec): min=1395, max=21908, avg=5198.77, stdev=2449.08 clat (msec): min=11, max=159, avg=74.09, stdev=16.25 lat (msec): min=15, max=163, avg=79.29, stdev=16.83 clat percentiles (msec): | 1.00th=[ 43], 5.00th=[ 53], 10.00th=[ 56], 20.00th=[ 62], | 30.00th=[ 66], 40.00th=[ 69], 50.00th=[ 72], 60.00th=[ 77], | 70.00th=[ 81], 80.00th=[ 86], 90.00th=[ 94], 95.00th=[ 104], | 99.00th=[ 124], 99.50th=[ 140], 99.90th=[ 153], 99.95th=[ 159], | 99.99th=[ 159] bw ( KiB/s): min= 292, max= 504, per=24.96%, avg=399.29, stdev=58.90, samples=24 iops : min= 73, max= 126, avg=99.50, stdev=14.68, samples=24 write: IOPS=105, BW=420KiB/s (430kB/s)(5256KiB/12511msec); 0 zone resets slat (usec): min=53, max=6382, avg=185.12, stdev=283.49 clat (msec): min=39, max=146, avg=76.25, stdev=14.68 lat (msec): min=39, max=147, avg=76.44, stdev=14.68 clat percentiles (msec): | 1.00th=[ 48], 5.00th=[ 54], 10.00th=[ 59], 20.00th=[ 65], | 30.00th=[ 69], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 79], | 70.00th=[ 82], 80.00th=[ 87], 90.00th=[ 94], 95.00th=[ 104], | 99.00th=[ 125], 99.50th=[ 130], 99.90th=[ 140], 99.95th=[ 148], | 99.99th=[ 148] bw ( KiB/s): min= 286, max= 534, per=25.06%, avg=417.42, stdev=72.33, samples=24 iops : min= 71, max= 133, avg=104.04, stdev=18.17, samples=24 lat (msec) : 20=0.04%, 50=2.34%, 100=91.45%, 250=6.17% cpu : usr=0.30%, sys=3.22%, ctx=4734, 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=180562: Tue Jun 2 03:54:54 2026 read: IOPS=100, BW=404KiB/s (413kB/s)(5060KiB/12531msec) slat (usec): min=1307, max=21094, avg=5324.93, stdev=2497.04 clat (msec): min=7, max=157, avg=74.22, stdev=16.57 lat (msec): min=10, max=165, avg=79.55, stdev=17.12 clat percentiles (msec): | 1.00th=[ 45], 5.00th=[ 52], 10.00th=[ 56], 20.00th=[ 61], | 30.00th=[ 65], 40.00th=[ 69], 50.00th=[ 72], 60.00th=[ 77], | 70.00th=[ 82], 80.00th=[ 86], 90.00th=[ 96], 95.00th=[ 105], | 99.00th=[ 126], 99.50th=[ 136], 99.90th=[ 150], 99.95th=[ 159], | 99.99th=[ 159] bw ( KiB/s): min= 267, max= 510, per=25.24%, avg=403.88, stdev=60.81, samples=24 iops : min= 66, max= 127, avg=100.63, stdev=15.29, samples=24 write: IOPS=103, BW=413KiB/s (423kB/s)(5180KiB/12531msec); 0 zone resets slat (usec): min=49, max=4561, avg=196.59, stdev=264.91 clat (msec): min=38, max=143, avg=76.01, stdev=15.21 lat (msec): min=38, max=143, avg=76.21, stdev=15.20 clat percentiles (msec): | 1.00th=[ 49], 5.00th=[ 54], 10.00th=[ 58], 20.00th=[ 64], | 30.00th=[ 68], 40.00th=[ 72], 50.00th=[ 75], 60.00th=[ 80], | 70.00th=[ 83], 80.00th=[ 87], 90.00th=[ 95], 95.00th=[ 104], | 99.00th=[ 121], 99.50th=[ 131], 99.90th=[ 144], 99.95th=[ 144], | 99.99th=[ 144] bw ( KiB/s): min= 263, max= 512, per=24.71%, avg=411.62, stdev=62.36, samples=24 iops : min= 65, max= 128, avg=102.58, stdev=15.65, samples=24 lat (msec) : 10=0.04%, 50=2.58%, 100=90.66%, 250=6.72% cpu : usr=0.30%, sys=3.22%, ctx=4763, 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=1601KiB/s (1639kB/s), 398KiB/s-404KiB/s (408kB/s-413kB/s), io=19.6MiB (20.5MB), run=12471-12537msec WRITE: bw=1666KiB/s (1706kB/s), 413KiB/s-422KiB/s (423kB/s-432kB/s), io=20.4MiB (21.4MB), run=12471-12537msec 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=180568: Tue Jun 2 03:54:58 2026 read: IOPS=4, BW=193MiB/s (203MB/s)(40.0MiB/207msec) slat (nsec): min=19405k, max=19405k, avg=19405459.00, stdev= 0.00 clat (nsec): min=173058k, max=173058k, avg=173058453.00, stdev= 0.00 lat (nsec): min=192468k, max=192468k, avg=192467982.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 174], 5.00th=[ 174], 10.00th=[ 174], 20.00th=[ 174], | 30.00th=[ 174], 40.00th=[ 174], 50.00th=[ 174], 60.00th=[ 174], | 70.00th=[ 174], 80.00th=[ 174], 90.00th=[ 174], 95.00th=[ 174], | 99.00th=[ 174], 99.50th=[ 174], 99.90th=[ 174], 99.95th=[ 174], | 99.99th=[ 174] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=5.34%, ctx=9, majf=0, minf=7 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=193MiB/s (203MB/s), 193MiB/s-193MiB/s (203MB/s-203MB/s), io=40.0MiB (41.9MB), run=207-207msec 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