Why the usage of disks exceed %100 in systat command ?

[Dan Nelson]

In the last episode (Mar 21), Halid Faith said:
> Hello
> I have a machine which have Raid5 and Freebsd6.0 runs on it.
> 
> When I type in command line as below I sometimes see a thing.
> systat 1 -vmstat
> Disks amrd0 pass0                      52 ofod            intrn  1996 cpu2:
> KB/t   6.04  0.00                         %slo-z   114464 buf
> tps      86     0                      64 tfree        58 dirtybuf
> MB/s   0.50  0.00                                  100000 desiredvnodes
> % busy  119     0                                   85778 numvnodes
>                                                     24996 freevnodes
> 
> I see that usage of the disk % more than 100.
> does this condition become any problem?
> Might  this condition which raid card does not work properly be ?

I think this is just a sampling error somewhere; utilization can't
exceed 100% in real life.

-- 
	Dan Nelson
	dnelson at allantgroup.com