== sanity test 398c: run fio to test AIO ================= 18:10:15 (1778537415) /usr/bin/fio debug=0 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 0.172867 s, 243 MB/s osc.lustre-OST0000-osc-ffff9b2bc6ce5000.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=143340: Mon May 11 18:11:14 2026 write: IOPS=46, BW=185KiB/s (190kB/s)(10.0MiB/55288msec); 0 zone resets slat (usec): min=21, max=6202, avg=166.57, stdev=329.99 clat (msec): min=118, max=952, avg=345.18, stdev=117.37 lat (msec): min=118, max=952, avg=345.35, stdev=117.39 clat percentiles (msec): | 1.00th=[ 157], 5.00th=[ 203], 10.00th=[ 220], 20.00th=[ 247], | 30.00th=[ 275], 40.00th=[ 296], 50.00th=[ 321], 60.00th=[ 355], | 70.00th=[ 384], 80.00th=[ 430], 90.00th=[ 510], 95.00th=[ 567], | 99.00th=[ 684], 99.50th=[ 835], 99.90th=[ 919], 99.95th=[ 927], | 99.99th=[ 953] bw ( KiB/s): min= 40, max= 376, per=24.86%, avg=183.99, stdev=57.78, samples=110 iops : min= 10, max= 94, avg=45.74, stdev=14.48, samples=110 lat (msec) : 250=20.90%, 500=68.24%, 750=10.00%, 1000=0.86% cpu : usr=0.12%, sys=0.59%, ctx=1820, 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=143341: Mon May 11 18:11:14 2026 write: IOPS=46, BW=185KiB/s (190kB/s)(10.0MiB/55258msec); 0 zone resets slat (usec): min=21, max=13853, avg=173.06, stdev=432.63 clat (msec): min=18, max=952, avg=344.97, stdev=120.99 lat (msec): min=18, max=952, avg=345.15, stdev=121.02 clat percentiles (msec): | 1.00th=[ 138], 5.00th=[ 197], 10.00th=[ 220], 20.00th=[ 247], | 30.00th=[ 275], 40.00th=[ 296], 50.00th=[ 326], 60.00th=[ 355], | 70.00th=[ 384], 80.00th=[ 426], 90.00th=[ 506], 95.00th=[ 567], | 99.00th=[ 776], 99.50th=[ 869], 99.90th=[ 927], 99.95th=[ 944], | 99.99th=[ 953] bw ( KiB/s): min= 24, max= 390, per=24.84%, avg=183.84, stdev=60.88, samples=110 iops : min= 6, max= 97, avg=45.70, stdev=15.26, samples=110 lat (msec) : 20=0.12%, 50=0.08%, 100=0.31%, 250=20.51%, 500=68.44% lat (msec) : 750=9.49%, 1000=1.05% cpu : usr=0.10%, sys=0.65%, ctx=2181, 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=143342: Mon May 11 18:11:14 2026 write: IOPS=46, BW=185KiB/s (190kB/s)(10.0MiB/55255msec); 0 zone resets slat (usec): min=21, max=12964, avg=170.04, stdev=403.68 clat (msec): min=18, max=955, avg=344.98, stdev=119.92 lat (msec): min=18, max=955, avg=345.15, stdev=119.95 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 194], 10.00th=[ 220], 20.00th=[ 247], | 30.00th=[ 275], 40.00th=[ 296], 50.00th=[ 321], 60.00th=[ 359], | 70.00th=[ 384], 80.00th=[ 430], 90.00th=[ 502], 95.00th=[ 567], | 99.00th=[ 735], 99.50th=[ 885], 99.90th=[ 927], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 8, max= 352, per=24.86%, avg=183.94, stdev=59.19, samples=110 iops : min= 2, max= 88, avg=45.73, stdev=14.84, samples=110 lat (msec) : 20=0.04%, 100=0.23%, 250=20.20%, 500=69.45%, 750=9.10% lat (msec) : 1000=0.98% cpu : usr=0.09%, sys=0.64%, ctx=1871, 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=143343: Mon May 11 18:11:14 2026 write: IOPS=46, BW=185KiB/s (190kB/s)(10.0MiB/55254msec); 0 zone resets slat (usec): min=23, max=13301, avg=164.66, stdev=335.74 clat (msec): min=99, max=954, avg=344.97, stdev=118.28 lat (msec): min=99, max=954, avg=345.13, stdev=118.31 clat percentiles (msec): | 1.00th=[ 142], 5.00th=[ 203], 10.00th=[ 222], 20.00th=[ 247], | 30.00th=[ 271], 40.00th=[ 292], 50.00th=[ 321], 60.00th=[ 355], | 70.00th=[ 384], 80.00th=[ 430], 90.00th=[ 510], 95.00th=[ 567], | 99.00th=[ 718], 99.50th=[ 835], 99.90th=[ 911], 99.95th=[ 953], | 99.99th=[ 953] bw ( KiB/s): min= 8, max= 376, per=24.86%, avg=184.00, stdev=60.98, samples=110 iops : min= 2, max= 94, avg=45.75, stdev=15.29, samples=110 lat (msec) : 100=0.04%, 250=20.94%, 500=68.09%, 750=10.08%, 1000=0.86% cpu : usr=0.12%, sys=0.61%, ctx=1973, 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 Run status group 0 (all jobs): WRITE: bw=741KiB/s (759kB/s), 185KiB/s-185KiB/s (190kB/s-190kB/s), io=40.0MiB (41.9MB), run=55254-55288msec 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=143360: Mon May 11 18:11:55 2026 read: IOPS=33, BW=136KiB/s (139kB/s)(5048KiB/37194msec) slat (usec): min=31, max=16694, avg=3825.40, stdev=2225.41 clat (msec): min=5, max=370, avg=157.94, stdev=42.95 lat (msec): min=8, max=372, avg=161.77, stdev=43.39 clat percentiles (msec): | 1.00th=[ 75], 5.00th=[ 95], 10.00th=[ 110], 20.00th=[ 125], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 157], 60.00th=[ 165], | 70.00th=[ 176], 80.00th=[ 188], 90.00th=[ 213], 95.00th=[ 232], | 99.00th=[ 284], 99.50th=[ 305], 99.90th=[ 368], 99.95th=[ 372], | 99.99th=[ 372] bw ( KiB/s): min= 63, max= 248, per=25.30%, avg=136.12, stdev=43.45, samples=73 iops : min= 15, max= 62, avg=33.84, stdev=10.92, samples=73 write: IOPS=34, BW=140KiB/s (143kB/s)(5192KiB/37194msec); 0 zone resets slat (usec): min=27, max=5143, avg=159.31, stdev=283.42 clat (msec): min=42, max=639, avg=300.66, stdev=89.79 lat (msec): min=43, max=639, avg=300.82, stdev=89.79 clat percentiles (msec): | 1.00th=[ 136], 5.00th=[ 180], 10.00th=[ 194], 20.00th=[ 222], | 30.00th=[ 249], 40.00th=[ 271], 50.00th=[ 292], 60.00th=[ 317], | 70.00th=[ 338], 80.00th=[ 368], 90.00th=[ 414], 95.00th=[ 472], | 99.00th=[ 567], 99.50th=[ 592], 99.90th=[ 634], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 63, max= 224, per=24.97%, avg=139.85, stdev=32.40, samples=73 iops : min= 15, max= 56, avg=34.77, stdev= 8.12, samples=73 lat (msec) : 10=0.16%, 50=0.27%, 100=3.20%, 250=59.73%, 500=35.27% lat (msec) : 750=1.37% cpu : usr=0.13%, sys=1.31%, ctx=2946, 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=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=143361: Mon May 11 18:11:55 2026 read: IOPS=33, BW=134KiB/s (137kB/s)(4976KiB/37250msec) slat (usec): min=974, max=18273, avg=3879.52, stdev=2206.71 clat (msec): min=27, max=337, avg=158.27, stdev=40.57 lat (msec): min=33, max=343, avg=162.16, stdev=41.04 clat percentiles (msec): | 1.00th=[ 82], 5.00th=[ 97], 10.00th=[ 112], 20.00th=[ 125], | 30.00th=[ 134], 40.00th=[ 146], 50.00th=[ 157], 60.00th=[ 165], | 70.00th=[ 178], 80.00th=[ 190], 90.00th=[ 211], 95.00th=[ 232], | 99.00th=[ 271], 99.50th=[ 288], 99.90th=[ 326], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 55, max= 256, per=24.74%, avg=133.12, stdev=42.13, samples=74 iops : min= 13, max= 64, avg=33.08, stdev=10.55, samples=74 write: IOPS=35, BW=141KiB/s (145kB/s)(5264KiB/37250msec); 0 zone resets slat (usec): min=21, max=7030, avg=165.31, stdev=326.33 clat (msec): min=103, max=633, avg=298.88, stdev=85.65 lat (msec): min=103, max=633, avg=299.05, stdev=85.66 clat percentiles (msec): | 1.00th=[ 146], 5.00th=[ 178], 10.00th=[ 194], 20.00th=[ 224], | 30.00th=[ 249], 40.00th=[ 268], 50.00th=[ 292], 60.00th=[ 313], | 70.00th=[ 338], 80.00th=[ 359], 90.00th=[ 418], 95.00th=[ 464], | 99.00th=[ 523], 99.50th=[ 542], 99.90th=[ 634], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 79, max= 264, per=25.13%, avg=140.70, stdev=38.15, samples=74 iops : min= 19, max= 66, avg=34.99, stdev= 9.59, samples=74 lat (msec) : 50=0.12%, 100=2.89%, 250=60.62%, 500=35.27%, 750=1.09% cpu : usr=0.17%, sys=1.27%, ctx=2900, 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=143362: Mon May 11 18:11:55 2026 read: IOPS=33, BW=134KiB/s (137kB/s)(4984KiB/37157msec) slat (usec): min=20, max=17952, avg=3947.79, stdev=2337.09 clat (msec): min=6, max=383, avg=158.59, stdev=42.28 lat (msec): min=8, max=388, avg=162.55, stdev=42.83 clat percentiles (msec): | 1.00th=[ 59], 5.00th=[ 96], 10.00th=[ 111], 20.00th=[ 126], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 157], 60.00th=[ 167], | 70.00th=[ 178], 80.00th=[ 190], 90.00th=[ 211], 95.00th=[ 228], | 99.00th=[ 284], 99.50th=[ 288], 99.90th=[ 347], 99.95th=[ 384], | 99.99th=[ 384] bw ( KiB/s): min= 64, max= 296, per=25.14%, avg=135.25, stdev=43.44, samples=73 iops : min= 16, max= 74, avg=33.62, stdev=10.89, samples=73 write: IOPS=35, BW=141KiB/s (145kB/s)(5256KiB/37157msec); 0 zone resets slat (usec): min=21, max=12097, avg=192.43, stdev=503.29 clat (msec): min=83, max=638, avg=297.69, stdev=90.49 lat (msec): min=83, max=638, avg=297.89, stdev=90.51 clat percentiles (msec): | 1.00th=[ 118], 5.00th=[ 174], 10.00th=[ 192], 20.00th=[ 220], | 30.00th=[ 247], 40.00th=[ 266], 50.00th=[ 288], 60.00th=[ 313], | 70.00th=[ 334], 80.00th=[ 368], 90.00th=[ 409], 95.00th=[ 481], | 99.00th=[ 550], 99.50th=[ 567], 99.90th=[ 634], 99.95th=[ 642], | 99.99th=[ 642] bw ( KiB/s): min= 79, max= 272, per=25.19%, avg=141.05, stdev=35.53, samples=73 iops : min= 19, max= 68, avg=35.07, stdev= 8.95, samples=73 lat (msec) : 10=0.04%, 50=0.27%, 100=2.97%, 250=60.70%, 500=34.53% lat (msec) : 750=1.48% cpu : usr=0.21%, sys=1.28%, ctx=2921, 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=143363: Mon May 11 18:11:55 2026 read: IOPS=33, BW=136KiB/s (139kB/s)(5060KiB/37223msec) slat (usec): min=940, max=16420, avg=3848.02, stdev=2150.53 clat (msec): min=3, max=336, avg=158.93, stdev=41.24 lat (msec): min=7, max=346, avg=162.79, stdev=41.67 clat percentiles (msec): | 1.00th=[ 79], 5.00th=[ 100], 10.00th=[ 112], 20.00th=[ 125], | 30.00th=[ 136], 40.00th=[ 146], 50.00th=[ 157], 60.00th=[ 165], | 70.00th=[ 178], 80.00th=[ 190], 90.00th=[ 213], 95.00th=[ 232], | 99.00th=[ 279], 99.50th=[ 288], 99.90th=[ 338], 99.95th=[ 338], | 99.99th=[ 338] bw ( KiB/s): min= 32, max= 224, per=25.21%, avg=135.64, stdev=39.93, samples=74 iops : min= 8, max= 56, avg=33.72, stdev= 9.99, samples=74 write: IOPS=34, BW=139KiB/s (143kB/s)(5180KiB/37223msec); 0 zone resets slat (usec): min=22, max=5222, avg=155.89, stdev=245.79 clat (msec): min=101, max=630, avg=300.05, stdev=91.74 lat (msec): min=101, max=630, avg=300.20, stdev=91.76 clat percentiles (msec): | 1.00th=[ 144], 5.00th=[ 174], 10.00th=[ 194], 20.00th=[ 222], | 30.00th=[ 247], 40.00th=[ 268], 50.00th=[ 288], 60.00th=[ 309], | 70.00th=[ 334], 80.00th=[ 363], 90.00th=[ 426], 95.00th=[ 489], | 99.00th=[ 558], 99.50th=[ 584], 99.90th=[ 625], 99.95th=[ 634], | 99.99th=[ 634] bw ( KiB/s): min= 56, max= 239, per=24.67%, avg=138.15, stdev=36.98, samples=74 iops : min= 14, max= 59, avg=34.35, stdev= 9.27, samples=74 lat (msec) : 4=0.04%, 10=0.04%, 20=0.04%, 50=0.16%, 100=2.27% lat (msec) : 250=61.60%, 500=33.87%, 750=1.99% cpu : usr=0.22%, sys=1.23%, ctx=2872, 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=539KiB/s (552kB/s), 134KiB/s-136KiB/s (137kB/s-139kB/s), io=19.6MiB (20.5MB), run=37157-37250msec WRITE: bw=561KiB/s (574kB/s), 139KiB/s-141KiB/s (143kB/s-145kB/s), io=20.4MiB (21.4MB), run=37157-37250msec 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=143372: Mon May 11 18:11:59 2026 read: IOPS=7, BW=282MiB/s (295MB/s)(40.0MiB/142msec) slat (nsec): min=15352k, max=15352k, avg=15351836.00, stdev= 0.00 clat (nsec): min=119935k, max=119935k, avg=119935345.00, stdev= 0.00 lat (nsec): min=135291k, max=135291k, avg=135290936.00, stdev= 0.00 clat percentiles (msec): | 1.00th=[ 121], 5.00th=[ 121], 10.00th=[ 121], 20.00th=[ 121], | 30.00th=[ 121], 40.00th=[ 121], 50.00th=[ 121], 60.00th=[ 121], | 70.00th=[ 121], 80.00th=[ 121], 90.00th=[ 121], 95.00th=[ 121], | 99.00th=[ 121], 99.50th=[ 121], 99.90th=[ 121], 99.95th=[ 121], | 99.99th=[ 121] lat (msec) : 250=100.00% cpu : usr=0.00%, sys=9.93%, ctx=2, 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=282MiB/s (295MB/s), 282MiB/s-282MiB/s (295MB/s-295MB/s), io=40.0MiB (41.9MB), run=142-142msec debug=super ioctl neterror warning dlmtrace error emerg ha rpctrace vfstrace config console lfsck