manacit@ares ~ $ vmstat -d
disk- ------------reads------------ ------------writes----------- -----IO------
       total merged sectors      ms  total merged sectors      ms    cur    sec
ram0       0      0       0       0      0      0       0       0      0      0
ram1       0      0       0       0      0      0       0       0      0      0
ram2       0      0       0       0      0      0       0       0      0      0
ram3       0      0       0       0      0      0       0       0      0      0
ram4       0      0       0       0      0      0       0       0      0      0
ram5       0      0       0       0      0      0       0       0      0      0
ram6       0      0       0       0      0      0       0       0      0      0
ram7       0      0       0       0      0      0       0       0      0      0
ram8       0      0       0       0      0      0       0       0      0      0
ram9       0      0       0       0      0      0       0       0      0      0
ram10      0      0       0       0      0      0       0       0      0      0
ram11      0      0       0       0      0      0       0       0      0      0
ram12      0      0       0       0      0      0       0       0      0      0
ram13      0      0       0       0      0      0       0       0      0      0
ram14      0      0       0       0      0      0       0       0      0      0
ram15      0      0       0       0      0      0       0       0      0      0
loop0      0      0       0       0      0      0       0       0      0      0
loop1      0      0       0       0      0      0       0       0      0      0
loop2      0      0       0       0      0      0       0       0      0      0
loop3      0      0       0       0      0      0       0       0      0      0
loop4      0      0       0       0      0      0       0       0      0      0
loop5      0      0       0       0      0      0       0       0      0      0
loop6      0      0       0       0      0      0       0       0      0      0
loop7      0      0       0       0      0      0       0       0      0      0
sda   43814887 17289217 2109909360 1300781512 95656380 240217398 2688852740 3669848272      0 280322
nbd0  100686 1019676 1120362  244572      0      0       0       0      0     69
nbd1       0      0       0       0      0      0       0       0      0      0
nbd2       0      0       0       0      0      0       0       0      0      0
nbd3       0      0       0       0      0      0       0       0      0      0
nbd4       0      0       0       0      0      0       0       0      0      0
nbd5       0      0       0       0      0      0       0       0      0      0
nbd6       0      0       0       0      0      0       0       0      0      0
nbd7       0      0       0       0      0      0       0       0      0      0
nbd8       0      0       0       0      0      0       0       0      0      0
nbd9       0      0       0       0      0      0       0       0      0      0
nbd10      0      0       0       0      0      0       0       0      0      0
nbd11      0      0       0       0      0      0       0       0      0      0
nbd12      0      0       0       0      0      0       0       0      0      0
nbd13      0      0       0       0      0      0       0       0      0      0
nbd14      0      0       0       0      0      0       0       0      0      0
nbd15      0      0       0       0      0      0       0       0      0      0