Patent ID: 6798602
Filing Date: 2004-09-28
Classification: G11B

Abstract:
A data storage system for recording data in at least one longitudinal track on a magnetic tape data storage medium, said data having data demarcation signals, comprising:data storage logic for providing a data storage directory for said data recorded on said magnetic tape data storage medium, said data storage logic: arranges a map of said at least one longitudinal track of said magnetic tape data storage medium into a plurality of fixed regions; establishes a window at each intersection between said fixed regions, said window extending into at least one of said regions; determines whether at least one of said data demarcation signals is located in at least one of said windows; if at least one of said data demarcation signals is located in one of said windows, selects one of said at least one of said data demarcation signals for said window; and identifies, in said directory, said selected data demarcation signal as within said window.