\noindent \begin{tabular}{|p{\lpmodwidth}|p{\lpnamewidth}|p{0.5in}|p{0.5in}|}\cline{1-4}\texttt{dm\_disk} & \texttt{Block count} & int & required \\ \cline{1-4}\multicolumn{4}{|p{6in}|}{This specifies the number of data blocks. This capacity is exported by thedisk (e.g.,~to a disk array controller). It is not used directlyduring simulation, but is compared to a similar value computed fromother disk parameters. A warning is reported if the values differ.}\\ \cline{1-4}\multicolumn{4}{p{5in}}{}\\\end{tabular}\\ \noindent \begin{tabular}{|p{\lpmodwidth}|p{\lpnamewidth}|p{0.5in}|p{0.5in}|}\cline{1-4}\texttt{dm\_disk} & \texttt{Number of data surfaces} & int & required \\ \cline{1-4}\multicolumn{4}{|p{6in}|}{This specifies the number of magnetic media surfaces (not platters!) onwhich data are recorded. Dedicated servo surfaces should not becounted for this parameter.}\\ \cline{1-4}\multicolumn{4}{p{5in}}{}\\\end{tabular}\\ \noindent \begin{tabular}{|p{\lpmodwidth}|p{\lpnamewidth}|p{0.5in}|p{0.5in}|}\cline{1-4}\texttt{dm\_disk} & \texttt{Number of cylinders} & int & required \\ \cline{1-4}\multicolumn{4}{|p{6in}|}{This specifies the number of physical cylinders. All cylinders that impactthe logical to physical mappings should be included.}\\ \cline{1-4}\multicolumn{4}{p{5in}}{}\\\end{tabular}\\ \noindent \begin{tabular}{|p{\lpmodwidth}|p{\lpnamewidth}|p{0.5in}|p{0.5in}|}\cline{1-4}\texttt{dm\_disk} & \texttt{Mechanical Model} & block & optional \\ \cline{1-4}\multicolumn{4}{|p{6in}|}{This block defines the disk's mechanical model. Currently,the only available implementation is \texttt{dm\_mech\_g1}.}\\ \cline{1-4}\multicolumn{4}{p{5in}}{}\\\end{tabular}\\ \noindent \begin{tabular}{|p{\lpmodwidth}|p{\lpnamewidth}|p{0.5in}|p{0.5in}|}\cline{1-4}\texttt{dm\_disk} & \texttt{Layout Model} & block & required \\ \cline{1-4}\multicolumn{4}{|p{6in}|}{This block defines the disk's layout model.}\\ \cline{1-4}\multicolumn{4}{p{5in}}{}\\\end{tabular}\\