Patent ID: 6950257
Filing Date: 2005-09-27
Classification: G11B

Abstract:
1. A recording system control for a magnetic tape drive, said magnetic tape drive having at least one motor for moving a magnetic tape longitudinally, having at least one read/write head for reading from and for writing to said magnetic tape while said magnetic tape is moved longitudinally by said at least one motor, having at least one recording channel for writing data to magnetic tape; said recording system control comprising: at least one buffer for storing data to be written to magnetic tape; and control logic operating said at least one buffer and said at least one recording channel, said control logic writing data stored in said at least one buffer to magnetic tape in the form of data sets; and, in response to a trigger, writes at least one succeeding data set downstream from at least one preceding data set, and logically invalidates at least a part of said at least one preceding data set by setting a superseding identifier in said at least one succeeding data set.