[Disksim-users] Response Time and Access Time

[Greg Ganger]

It depends on which component you are looking at... those two metrics
are captured at every "level" of a configuration (disk, controller,
device driver).  In each case, the latter includes queue time and
the former does not.

Greg


On Sun, 21 Mar 2010, mauricxe at netscape.net wrote:

>
> Hello all,
>
> I have a question about two of the numbers reported by Disksim at the end of a simulation.
>
> Is my understanding of the following two metrics accurate?  If not, could you supplement my definition or point out what I am missing?
>
>
> Access Time- Is this determined by a sum of the spin-up time, seek time, rotational delay, and transfer time?
>
> Response Time-The amount of time it takes to issue the request and to receive the results.  This would also include Queue time.
>
> Is my understanding of these two accurate?
>
> Thanks!!!!
>
>
>
>
>