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) (1 file(s) / 4096MiB) stresser: Laying out IO file(s) (1 file(s) / 4096MiB) stresser: Laying out IO file(s) (1 file(s) / 4096MiB) stresser: Laying out IO file(s) (1 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=6756 read : io=16KiB, bw=13KiB/s, iops=0, runt= 1193msec clat (usec): min=440K, max=440K, avg=440268.00, stdev= 0.00 bw (KiB/s) : min= 13, max= 13, per=24.53%, avg=13.00, stdev= 0.00 write: io=16KiB, bw=13KiB/s, iops=0, runt= 1193msec clat (usec): min=752K, max=752K, avg=751695.00, 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): 500=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=6757 read : io=16KiB, bw=2,285KiB/s, iops=142, runt= 7msec clat (usec): min=5,651, max=5,651, avg=5651.00, 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): 10=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=6758 read : io=16KiB, bw=14KiB/s, iops=0, runt= 1086msec clat (usec): min=1,085K, max=1,085K, avg=1085494.00, stdev= 0.00 bw (KiB/s) : min= 14, max= 14, per=26.42%, avg=14.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=4, 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): 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=6759 read : io=16KiB, bw=14KiB/s, iops=0, runt= 1105msec clat (usec): min=1,103K, max=1,103K, avg=1102638.00, stdev= 0.00 bw (KiB/s) : min= 14, max= 14, per=26.42%, avg=14.00, 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): 2000=100.00% stresser: (groupid=1, jobs=1): err= 0: pid=6760 cpu : usr=98.80%, sys=0.01%, ctx=72802, majf=0, minf=730 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=71626/0, 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=6761 cpu : usr=98.78%, sys=0.01%, ctx=154439, majf=0, minf=730 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=71598/0, short=0/0 lat (msec): 100=99.94%, 250=0.05%, 500=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=6762 cpu : usr=98.79%, sys=0.01%, ctx=121837, majf=0, minf=730 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=71638/0, short=0/0 lat (msec): 100=99.97%, 250=0.02%, 500=0.01%, 750=0.01% stresser: (groupid=1, jobs=1): err= 0: pid=6763 cpu : usr=98.82%, sys=0.01%, ctx=149357, majf=0, minf=730 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=99.94%, 250=0.05%, 500=0.01% Run status group 0 (all jobs): READ: io=64KiB, aggrb=53KiB/s, minb=13KiB/s, maxb=2,340KiB/s, mint=7msec, maxt=1193msec WRITE: io=16KiB, aggrb=13KiB/s, minb=13KiB/s, maxb=13KiB/s, mint=1193msec, maxt=1193msec Run status group 1 (all jobs): Disk stats (read/write): sda: ios=113/53824, merge=0/3099626, ticks=32311/38169224, in_queue=38201525, util=7.53% Command exited with non-zero status 4 14227.93user 65.71system 1:06:40elapsed 357%CPU (0avgtext+0avgdata 0maxresident)k 904inputs+33562864outputs (29major+19951minor)pagefaults 0swaps