r/s    w/s   kr/s   kw/s wait actv wsvc_t asvc_t  %w  %b device
     0.0    4.2    0.0   38.4  0.0  0.7    0.0  170.0   0   2 c0t0d0 
    0.7    4.2   12.7  105.5  0.0  0.1    0.0   10.9   0   3 c0t1d0
    1.3   10.7   17.2  137.1  0.0  0.1    0.0    8.7   0   8 c0t2d0
    0.5    3.8   12.5   93.8  0.0  0.0    0.0   11.0   0   3 c0t3d0
    0.4    4.2   11.2   91.8  0.0  0.1    0.0   12.6   0   3 c0t4d0
    0.5    4.1   12.3   97.4  0.0  0.0    0.0   10.7   0   3 c0t5d0
     0.0    4.2    0.0   38.3  0.0  0.6    0.0  138.2   0   2 c1t0d0 
    4.0    5.1   93.5  110.5  0.0  0.2    0.0   16.7   0   8 c1t1d0
    4.3   10.7   89.9  137.1  0.0  0.2    0.0   11.9   0  11 c1t2d0
    3.6    3.7   84.3   93.4  0.0  0.1    0.0   11.6   0   4 c1t3d0
    3.9    4.5   88.7   93.5  0.0  0.1    0.0   13.6   0   6 c1t4d0
    3.7    3.7   87.0   95.7  0.0  0.1    0.0   13.5   0   5 c1t5d0