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=4 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=4 Starting 4 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=6753 read : io=16KiB, bw=46KiB/s, iops=2, runt= 345msec clat (usec): min=345K, max=345K, avg=344761.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=4, majf=0, minf=53 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): 500=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=6754 read : io=16KiB, bw=355KiB/s, iops=22, runt= 45msec clat (usec): min=2,597, max=2,597, avg=2597.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=5, majf=0, minf=53 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): 4=100.00% stresser: (groupid=0, jobs=1): err= 5 (file:io_u.c:985, func=io_u_sync_complete, error=Input/output error): pid=6755 read : io=16KiB, bw=2,666KiB/s, iops=166, runt= 6msec clat (usec): min=2,312, max=2,312, avg=2312.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=5, majf=0, minf=53 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): 4=100.00% 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=5,333KiB/s, iops=333, runt= 3msec clat (usec): min=2,294, max=2,294, avg=2294.00, stdev= 0.00 cpu : usr=0.00%, sys=0.00%, ctx=5, majf=0, minf=53 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): 4=100.00% Run status group 0 (all jobs): READ: io=64KiB, aggrb=185KiB/s, minb=46KiB/s, maxb=5,461KiB/s, mint=3msec, maxt=345msec Disk stats (read/write): sda: ios=117/52791, merge=0/3099643, ticks=11059/37703017, in_queue=37714075, util=96.23% Command exited with non-zero status 4 0.10user 64.23system 6:44.58elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k 1216inputs+33556952outputs (25major+2209minor)pagefaults 0swaps