Patent ID: 6219726
Filing Date: 2001-04-17
Classification: G06F

Abstract:
A system for limiting access to a tape device comprising:first means for generating a set of control parameters for said device corresponding to an application program, said control parameters providing a set of access capabilities which are selectable in accordance with attributes of the application, said first means being a control program which processes application attributes and data set attributes to generate said control parameters, wherein a first of said control parameters defines an extent on a tape within said tape device and a second of said control parameters indicates the type of access permitted by said application program to said extent on said tape;second means for receiving a command to access said device from said application program; andthird means for using said parameters to process said command to control access to said device by said application program, said third means including means for using the control parameters to manage access to data stored on a sequential access volume.