A cartridge is provided and includes tape-shaped magnetic recording medium; and cartridge memory; wherein cartridge memory includes communication unit that communicates with recording/reproducing device in state where cartridge is loaded on recording/reproducing device; storage unit; and control unit that stores, reads, and transmits information, wherein information includes manufacturing information of cartridge and adjustment information for adjusting a tension applied to the tape-shaped magnetic recording medium in a longitudinal direction of tape-shaped magnetic recording medium thereof, tape-shaped magnetic recording medium has a plurality of servo bands, and wherein a temperature expansion coefficient α of the tape-shaped magnetic recording medium satisfies 6 ppm/° C.≤α≤8 ppm/° C.

A magnetic tape in which a vertical switching field distribution SFD of the magnetic tape is 1.5 or less, and in an environment with a temperature of 23° C. and a relative humidity of 50%, an AlFeSil abrasion value.sub.45° of a surface of the magnetic layer measured at a tilt angle of 45° of an AlFeSil prism is 20 μm to 50 μm, a standard deviation of an AlFeSil abrasion value of the surface of the magnetic layer measured at each of tilt angles of 0°, 15°, 30°, and 45° of the AlFeSil prism is 30 μm or less, and the tilt angle of the AlFeSil prism is an angle formed by a longitudinal direction of the AlFeSil prism and a width direction of the magnetic tape.

A magnetic tape in which a vertical switching field distribution SFD of the magnetic tape is 1.5 or less, and in an environment with a temperature of 23° C. and a relative humidity of 50%, an AlFeSil abrasion value.sub.45° of a surface of the magnetic layer measured at a tilt angle of 45° of an AlFeSil prism is 20 μm to 50 μm, a standard deviation of an AlFeSil abrasion value of the surface of the magnetic layer measured at each of tilt angles of 0°, 15°, 30°, and 45° of the AlFeSil prism is 30 μm or less, and the tilt angle of the AlFeSil prism is an angle formed by a longitudinal direction of the AlFeSil prism and a width direction of the magnetic tape.

The magnetic tape includes a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic support, in which the total thickness of the magnetic tape is equal to or smaller than 5.30 μm, the magnetic layer includes a timing-based servo pattern, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 1.8 nm, the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, the magnetic layer includes an abrasive, and a tilt cos θ of the ferromagnetic hexagonal ferrite powder with respect to a surface of the magnetic layer acquired by cross section observation performed by using a scanning transmission electron microscope is 0.85 to 1.00.

The magnetic tape includes a non-magnetic support; and a magnetic layer including ferromagnetic powder and a binder on the non-magnetic support, in which the total thickness of the magnetic tape is equal to or smaller than 5.30 μm, the magnetic layer includes a timing-based servo pattern, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 1.8 nm, the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, the magnetic layer includes an abrasive, and a tilt cos θ of the ferromagnetic hexagonal ferrite powder with respect to a surface of the magnetic layer acquired by cross section observation performed by using a scanning transmission electron microscope is 0.85 to 1.00.

A data storage device is disclosed comprising at least one head configured to access a magnetic tape comprising a plurality of servo frames each comprising a plurality of servo bursts. A first servo burst is read using the head to generate a read signal which is sampled to generate signal samples. A first matched filter matched to the first servo burst is used to generate filtered samples in response to the signal samples, and at least part of the filtered samples are interpolated to generate interpolated samples. The interpolated samples are processed to generate a position error signal (PES), and a position of the head relative to the magnetic tape is controlled based on the PES.

A data storage device is disclosed comprising at least one head configured to access a magnetic tape comprising a plurality of servo frames each comprising a plurality of servo bursts. A first servo burst is read using the head to generate a read signal which is sampled to generate signal samples. A first matched filter matched to the first servo burst is used to generate filtered samples in response to the signal samples, and at least part of the filtered samples are interpolated to generate interpolated samples. The interpolated samples are processed to generate a position error signal (PES), and a position of the head relative to the magnetic tape is controlled based on the PES.

A computer program product for orienting a head, according to one embodiment, includes a computer readable storage medium having program instructions embodied therewith that are readable/executable by a controller to cause the controller to determine a desired pitch for transducers of a magnetic head for reading and/or writing to a magnetic tape, and are readable/executable by the controller to cause the controller to cause a mechanism to orient the magnetic head towards first and second positions to achieve the desired pitch when the tape travels in first and second directions, respectively. Outer data transducers of the third array are about aligned with outer data transducers of the second array when the magnetic head is positioned towards the first position, and the outer data transducers of the third array are about aligned with outer data transducers of the first array when the magnetic head is positioned towards the second position.

A computer program product for orienting a head, according to one embodiment, includes a computer readable storage medium having program instructions embodied therewith that are readable/executable by a controller to cause the controller to determine a desired pitch for transducers of a magnetic head for reading and/or writing to a magnetic tape, and are readable/executable by the controller to cause the controller to cause a mechanism to orient the magnetic head towards first and second positions to achieve the desired pitch when the tape travels in first and second directions, respectively. Outer data transducers of the third array are about aligned with outer data transducers of the second array when the magnetic head is positioned towards the first position, and the outer data transducers of the third array are about aligned with outer data transducers of the first array when the magnetic head is positioned towards the second position.

A magnetic tape device (100) includes: a winding reel (101) winding a magnetic tape (201); a drive head (103) performing writing information onto the magnetic tape (201) and/or reading the information recorded on the magnetic tape (201); an image sensor (104) picking up an image of a surface of the magnetic tape (201); and a control unit (105) performing image processing on the image picked up the image sensor (104) and determining presence/absence of an abnormality on the surface of the magnetic tape (201), in which the control unit (105) adjusts, in accordance with at least either one of a type of the drive head (103) and a recording density of the magnetic tape (201), a winding speed at which the magnetic tape (201) is wound by the winding reel (101) when the image sensor (104) picks up the image of the surface of the magnetic tape (201).