International Business Machines Corporation

Michael E Kilbey

Guillermo Francisco Paniagua

A tape drive-implemented method, according to one embodiment, includes: using formatting information which corresponds to a magnetic tape loaded in the tape drive to identify wraps on the magnetic tape. Identifying wraps on the magnetic tape includes: identifying an outermost wrap on the magnetic tape on a first side of the magnetic tape, and identifying an outermost wrap on the magnetic tape on a second side of the magnetic tape. A procedure is also performed for each of the wraps identified using the formatting information. Performing the procedure for a given one of the wraps includes: sending one or more instructions to position a magnetic head of the tape drive over the given wrap, and collecting PES information which corresponds to the given wrap.

Position error signal testing using outer edge wraps

A tape drive-implemented method, according to one embodiment, includes: determining formatting information which corresponds to a magnetic tape loaded in the tape drive, and using the formatting information to identify wraps on the magnetic tape. Identifying wraps on the magnetic tape includes: identifying an outermost wrap on the magnetic tape on a first side of the magnetic tape, and identifying an outermost wrap on the magnetic tape on a second side of the magnetic tape. A procedure is also performed for each of the wraps identified using the formatting information. Performing the procedure for a given one of the wraps includes: sending one or more instructions to position a magnetic head of the tape drive over the given wrap, sending one or more instructions to move the magnetic tape over the magnetic head, and collecting PES information which corresponds to the given wrap.

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San Jose, CA, United States of America

Michael E Kilbey