3.The mainframe storage controller according to claim 1, wherein the converter comprises: a command converter, which is for converting a parameter in the command, and which, upon receiving the command for the virtual volume from the mainframe, converts a first cylinder number in this command to...
When defining the size of the primary and secondary extents, you can do it in bytes or based on the device geometry in units of space called tracks or cylinders. Understanding these two terms requires understanding how a disk drive works. A disk drive consists of a set of rotating metallic...