fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file stresser: (g=0): rw=randrw, bs=16K-16K/16K-16K, ioengine=mmap, iodepth=1 fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file ... fio: mixed read/write workload with verify. May not work as expected, unless you pre-populated the file stresser: (g=0): rw=randrw, bs=16K-16K/16K-16K, ioengine=mmap, iodepth=1 stresser: ioengine=cpu, cpuload=25, cpucycle=50000 ... stresser: ioengine=cpu, cpuload=25, cpucycle=50000 Starting 8 processes Bad verify header 0 Bad verify header 0 Bad verify header 0 Bad verify header 0 stresser: Laying out IO file(s) (4 file(s) / 4096MiB) stresser: Laying out IO file(s) (4 file(s) / 4096MiB) stresser: Laying out IO file(s) (4 file(s) / 4096MiB) stresser: Laying out IO file(s) (4 file(s) / 4096MiB) stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=6790 read : io=16KiB, bw=98KiB/s, iops=6, runt= 163msec clat (usec): min=162K, max=162K, avg=162195.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=5, majf=0, minf=52 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=50.0%, 4=50.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=1/0, short=0/0 lat (msec): 250=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=6791 read : io=16KiB, bw=14KiB/s, iops=0, runt= 1084msec clat (usec): min=243K, max=243K, avg=243362.00, stdev= 0.00 bw (KiB/s) : min= 14, max= 14, per=25.00%, avg=14.00, stdev= 0.00 write: io=16KiB, bw=14KiB/s, iops=0, runt= 1084msec clat (usec): min=840K, max=840K, avg=840124.00, stdev= 0.00 bw (KiB/s) : min= 0, max= 0, per=0.00%, avg= 0.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=8, majf=0, minf=57 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=33.3%, 4=66.7%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=1/1, short=0/0 lat (msec): 250=50.00%, 1000=50.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=6792 read : io=16KiB, bw=14KiB/s, iops=0, runt= 1136msec clat (usec): min=1,135K, max=1,135K, avg=1135055.00, stdev= 0.00 bw (KiB/s) : min= 14, max= 14, per=25.00%, avg=14.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=4, majf=0, minf=51 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=50.0%, 4=50.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=1/0, short=0/0 lat (msec): 2000=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=6793 read : io=16KiB, bw=15KiB/s, iops=0, runt= 1035msec clat (usec): min=929K, max=929K, avg=928934.00, stdev= 0.00 bw (KiB/s) : min= 15, max= 15, per=26.79%, avg=15.00, stdev= 0.00 write: io=16KiB, bw=15KiB/s, iops=0, runt= 1035msec clat (usec): min=105K, max=105K, avg=105265.00, stdev= 0.00 bw (KiB/s) : min= 0, max= 0, per=0.00%, avg= 0.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=8, majf=0, minf=57 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=33.3%, 4=66.7%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued r/w: total=1/1, short=0/0 lat (msec): 250=50.00%, 1000=50.00% stresser: (groupid=1, jobs=1): err= 0: pid=6794 cpu : usr=98.68%, sys=0.00%, ctx=81051, majf=0, minf=731 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 r/w: total=71567/0, short=0/0 lat (msec): 100=99.94%, 250=0.05%, 500=0.01%, 1000=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=6795 cpu : usr=98.83%, sys=0.00%, ctx=127949, majf=0, minf=731 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 r/w: total=71633/0, short=0/0 lat (msec): 100=99.95%, 250=0.05%, 500=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=6796 cpu : usr=98.88%, sys=0.00%, ctx=119794, majf=0, minf=731 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 r/w: total=71622/0, short=0/0 lat (msec): 100=99.95%, 250=0.04%, 500=0.01%, 750=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=6797 cpu : usr=98.93%, sys=0.01%, ctx=159982, majf=0, minf=731 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 r/w: total=71649/0, short=0/0 lat (msec): 100=99.93%, 250=0.06%, 500=0.01% Run status group 0 (all jobs): READ: io=64KiB, aggrb=56KiB/s, minb=14KiB/s, maxb=98KiB/s, mint=163msec, maxt=1136msec WRITE: io=32KiB, aggrb=29KiB/s, minb=14KiB/s, maxb=15KiB/s, mint=1035msec, maxt=1084msec Run status group 1 (all jobs): Disk stats (read/write): sda: ios=125/53180, merge=0/3099164, ticks=23359/58539539, in_queue=58562887, util=7.32% Command exited with non-zero status 4 14232.22user 66.16system 1:07:11elapsed 354%CPU (0avgtext+0avgdata 0maxresident)k 1328inputs+33568800outputs (29major+19956minor)pagefaults 0swaps