Class / Patent application number | Description | Number of patent applications / Date published |
369530420 | Having abnormality condition indicating | 35 |
20080298196 | Mapping Defects on a Data Wedge Basis - A method to map defects is provided. A select data track of a storage medium is scanned for a defect. At least one data wedge affected by the defect on the select data track is identified. Each data wedge includes available area for writing user data defined between two servo wedges that include position information. The at least one affected data wedge is identified as unusuable. | 12-04-2008 |
20090059757 | Monitoring and Analyzing the Storage Quality and the Drive Hardware Performance of a Media Library - A method and infrastructure are provided for monitoring and analyzing the storage media quality and the drive hardware performance of a media library. The media library comprises a plurality of removable storage media, a plurality of drive units for said storage media and means for moving said storage media to and from appropriate drive units. The media library is managed by a management system being connected to said media library. At least one reference medium of a known and proven quality to compare the performance of at least one of said storage media in a given drive unit with the performance of said reference medium in said given drive unit and/or to test the performance of at least one given drive unit of said media library when acting on said reference medium. | 03-05-2009 |
20090129228 | Logic circuit and method for controlling display lights of hard disk - A logic circuit, for controlling display lights of a hard disk, includes a flip-flop, a logic gate and a buffer. The flip-flop receives a clock signal, a reset signal and a data signal and generates an output signal, in which the clock signal and the reset signal are obtained by a timing process of the data signal. The logic gate generates a logic signal according to the data signal and the output signal. The buffer receives the logic signal and an action signal. The logic signal enables the buffer such that the action signal passes through the buffer to drive a normal light during the normal operation of the hard disk, and the data signal drives a failure light during the failure or rebuilding operation of the hard disk. A method for controlling the display lights of the hard disk is also disclosed. | 05-21-2009 |
20090135698 | Disk Controller and Storage System - Proposed is a disk controller capable of notifying that a hard disk drive needs to be replaced even when the power of such hard disk drive is turned off. When a controller is to control the supply of electrical power to a disk in the respective disk units, the controller turns off a green LED and turns on a red LED when a disk in a disk group becomes a replacement target disk, turns off the power of the replacement target disk by opening a power switch corresponding to the respective replacement target disks, turns on the disk power source by closing the power switch when the replacement target disk is replaced with a new disk, and recognizes information concerning the new disk. | 05-28-2009 |
20090245057 | SENSOR DETACHMENT DETECTION CIRCUIT, SENSOR DETACHMENT DETECTION METHOD, AND INFORMATION STORAGE DEVICE - A fault detection circuit, for detecting a fault condition associated with a sensor (wherein non-fault detection signals output by the sensor include high frequency noise components), includes: an input unit to receive a raw signal from the sensor and to provide a corresponding detection signal; and a determination unit to determine if the detection signal includes components in significant amounts corresponding to the non-fault high frequency noise components, and to output an indication that the fault condition is satisfied if the detection signal does not include components in significant amounts corresponding to the non-fault high frequency noise components. | 10-01-2009 |
20090296552 | Context-based error indication methods and apparatus - A media player may occasionally be unable to play or continue to play a particular item of media. When that occurs, the media player outputs an error indication that is related to the type of media that the problem media item is representative of. For example, if the problem item is a movie, then the media player may display an error indication having the appearance of broken movie film. If the problem media item is music, then the media player may display an error indication having the appearance of a broken compact disc (“CD”). Thus whatever the type of media that is not playing, the media player outputs an error indication that is appropriate for that type of media. The error indications output by the player are therefore context-based or media-appropriate. | 12-03-2009 |
20090316554 | IMAGE RECORDING/REPRODUCING DEVICE - There is provided an image recording/reproducing device that can discriminate a disk separation error that is specific to removable hard disks. A disk error detector ( | 12-24-2009 |
20090316555 | Multilayer Optical Disk, Multilayer Optical Disk Recording Apparatus and Multilayer Optical Disk Reproducing Apparatus - A multilayer optical disk apparatus comprises an optical pickup that emits N (N represents an integer of two or more) laser beams of the same wavelength. The optical pickup emits the N laser beams at the same time, focuses the N laser beams on a first recording layer group alternately configured by N recording layers of the multilayer optical disk and performs a recording operation on the N recording layers at the same time. When changing the recording layers the optical pickup focuses the N laser beams on a second recording layer group configured by recording layers adjacent to the respective recording layers configuring the first recording layer group and performs a recording operation on the N recording layers at the same time. | 12-24-2009 |
20090316556 | DRIVING APPARATUS AND METHOD, PROGRAM, AND RECORDING MEDIUM - A driving apparatus includes: a driving mechanism slider-driving a head including a first optical pickup and a second optical pickup, the first optical pickup and the second optical pickup having a same specification; a calculating mechanism performing predetermined calculation using a first slide-error signal obtained by filtering a signal from the first optical pickup and a second slide-error signal obtained by filtering a signal from the second optical pickup; and an outputting mechanism outputting a signal from the calculating means as a slider control signal for driving the driving mechanism. | 12-24-2009 |
20100020663 | METHOD FOR RADIAL TRACKING IN AN OPTICAL DISC DRIVE - A method for radial tracking in an optical disc drive ( | 01-28-2010 |
20100046342 | RECORDING AND REPLAYING DEVICE - A recording and replaying device is provided in which a user can easily diagnose failure when a built-in storage device of the device fails. In a normal operation state, a microcomputer controls a signal path switching mechanism to connect a signal processing device and a hard disk drive (HDD). In an abnormal operation state, the microcomputer sets a USB interface device to effective state, and controls the signal path switching mechanism to connect the USB interface device and the hard disk drive (HDD), so that the hard disk drive is recognized by an external personal computer as a USB mass storage. | 02-25-2010 |
20100135140 | INFORMATION RECORDING AND REPRODUCING DEVICE - An information recording/reproducing device diffracts laser light into main- and sub-beams, irradiates evanescent light in relation to the main beam by an evanescent light generating element to a track where a recording pit provided on a recording surface of a recording medium is formed and evanescent light in relation to the sub-beam to be separated to a track where no recording pit provided on the recording surface of the recording medium is formed. A moving element moves the evanescent light generating element to change a gap with the recording surface. Return light in relation to the sub- and main-beam are received by sub- and main-light receiving elements, respectively. A control element controls the moving element so as to make the gap become a predetermined target value in accordance with a gap error signal containing a signal indicative of an amount of the return light in relation to the received sub-beam. | 06-03-2010 |
20100157767 | METHOD FOR IDENTIFYING AN ABNORMAL DISC - A method for identifying an abnormal disc includes the steps of: forming three testing spherical aberration (SA) values including an SA value of a thinner data layer, a standard SA value and an SA value of a thicker data layer; adjusting to one of the testing SA values; performing focus for a target disc and recording a focus error signal; obtaining a maximum focus error signal and a corresponding testing SA value by way of comparison; and checking whether the corresponding testing SA value is equal to the standard SA value, and identifying the target disc as a normal disc if yes, or otherwise identifying the target disc as the abnormal disc and re-adjusting the SA value to enhance the signal quality. | 06-24-2010 |
20100182887 | SYSTEM AND METHOD FOR IDENTIFYING FAILING DRIVES OR MEDIA IN MEDIA LIBRARY - Embodiments of methods and systems comprise identifying failing media and/or drives for a media library. Error data can be collected from media libraries. For each tape exhibiting an error rate of interest, a determination can be made whether the tape would still have been of interest had it not been loaded in certain drives. This information can be analyzed to identify failing drives or tapes. | 07-22-2010 |
20100238779 | DEVICE AND METHOD FOR DETERMINING DEFECT SECTOR ON OPTICAL DISC - A device and method for determining defect sectors on an optical disc receives writing commands and data by a processor, and saves the writing data in a memory. An error correction code (ECC) encodes the writing data into encoded digital signals, and the encoded digital signals form modulated digital signals by a modulation device which are saved back into the storage. The processor controls a pick-up head to write and read the modulated digital signals. A comparing unit generates a number of errors by comparing the modulated digital signals before and after writing. The defect sector is directly determined if the number of errors are low or high. The modulated digital signal is decoded to determine the defect sector based on the failure or success of decoding if the number of errors lie in the middle of the range. | 09-23-2010 |
20100260024 | DISK-DRIVE SYSTEMS THAT MOVES DATA TO SPARE DRIVES FROM DRIVES ABOUT TO FAIL AND METHOD - A system and method for an improved multiple hard-disk-drive data-storage enclosure. Some embodiments position drives in counter-rotating pairs, each simultaneously accessing half the data, such that seek-caused actuator rotational-acceleration vibration cause simultaneous canceling rotational torque. Some embodiments position the edge of a first drive (or drive pair) at an angle to the actuator midpoint of a nearby second drive (or drive pair), such that rotational-acceleration vibration from a seek-caused actuator rotation in the first drive does not cause a rotational movement into the second drive that affects the tracking or seek operation. Some further embodiments position drives in a herringbone pattern to redirect air flow in addition to reducing rotational-acceleration vibration interaction. Other embodiments include a printed wire circuit board mounted to reduce the rotational-acceleration vibration interaction. | 10-14-2010 |
20100271919 | INFORMATION PROCESSOR, FAILURE PREDICTION METHOD, AND COMPUTER PRODUCT - According to one embodiment, an information processor includes an optical disc drive, a recorder, and a determination module. The optical disc drive includes a loading mechanism that loads and ejects an optical disc. The recorder obtains state information indicating the operating state of the loading mechanism to record the state information. The determination module determines that, when a value related to failure prediction of the loading mechanism satisfies a predetermined condition, there is a risk of failure in the loading mechanism. The value is calculated from a combination of a plurality of indices contained in the state information. | 10-28-2010 |
20100322053 | CONTROLLER BASED SHOCK DETECTION FOR STORAGE SYSTEMS - A data storage system controller having a shock detection sensor and methods utilizing such a controller are provided. The data storage system controller receives information or signals regarding shock events from the associated shock sensor, enabling the data storage system controller to take remedial action. The particular remedial action taken may be dependent on the severity of the detected shock event. The data storage system controller may also receive information regarding shock events from shock sensors provided separately from the data storage system controller, allowing the data storage system controller to take remedial action that is tailored to the locale of a shock event. | 12-23-2010 |
20100329094 | INFORMATION RECORDING APPARATUS AND INFORMATION RECORDING METHOD - According to one embodiment, an information recording apparatus for recording, in a free area, first low-quality recorded data having an error rate not less than a first error rate upon finalization of a recording medium, the information recording apparatus includes a reader, a measurement module, a detector, and a recorder. The reader is configured to read recorded data from a recording area of the recording medium. The measurement module is configured to measure an error rate of the recorded data of each predetermined data block. The detector configured to detect the first low-quality recorded data based on an error rate measurement result of the measurement module. The recorder is configured to correct an error in the first low-quality recorded data, and record error-corrected recorded data corresponding to the first low-quality recorded data at a spare recording position of the free area of the recording medium. | 12-30-2010 |
20110051581 | VIBRATION ANALYSIS METHODOLOGY USING DATA STORAGE DEVICES - A method includes acquiring, by a data storage device, signals generated by one or more sensors that relate to a mechanical vibration of the data storage device. The one or more sensors are in electrical communication with the data storage device. The method includes storing a representation of the signals as data in the data storage device. | 03-03-2011 |
20110051582 | Predicting Operational Problems in a Hard-Disk Drive (HDD) - A method and apparatus for determining the likelihood that a hard-disk drive (HDD) will experience an imminent error in operation is provided. The HDD comprises a differential pressure sensor capable of measuring the difference in the pressure between the interior and the exterior of the enclosure. The differential pressure sensor may reside in a breather filter covering an air passage within the enclosure. The HDD also comprises a risk assessment component capable of (a) determining an expression of how likely it is that the HDD will experience an imminent error in operation based, at least in part, upon the difference in pressure measured by the pressure sensor, and (b) communicating the expression to a user of the HDD. The HDD may optionally comprise one or more of an atmospheric pressure sensor, a particle counter, and a chemical vapor sensor which may be used by the risk assessment component. | 03-03-2011 |
20120170435 | DATA STORAGE DEVICE INCLUDING SELF-TEST FEATURES - The application discloses a data storage device including one or more data storage media adapted to store data. The data storage device is connected to and powered by a power source of the host system. In the event of a loss of power from the host system, an auxiliary power source is used to power components of the data storage device. For example, an illustrative auxiliary power source uses back electromotive force EMF from a spindle motor of the data storage device. As disclosed, the device includes test circuitry to test a capacity of the auxiliary power source to store data in the event of the loss of power from the host system. | 07-05-2012 |
20130194904 | WRITING SYSTEM, WRITING DEVICE, AND WRITING METHOD - A writing-system comprises a first and a second writing-device, and is connected to an information-processor-apparatus that obtains unwritten-data from the first and the second writing-devices when a notification is received, the notification indicating that the unwritten-data is generated while writing data on a recording-medium used by either of the writing-devices, wherein the first writing-device comprises a first writing-unit, when the unwritten-data is generated while writing data on a recording-medium, transmits to the information-processor-apparatus, dummy information for inhibiting the unwritten-data to be obtained by the information-processor-apparatus, and writes the unwritten-data to a memory-unit, the recording-medium and the memory-unit are included in a cartridge accommodated in the first writing-device, and the second writing-device comprises a second writing-unit that writes, on the recording-medium, the unwritten-data stored in the memory-unit when the cartridge is moved from the first writing-device to the second writing-device. | 08-01-2013 |
20130250746 | EJECTING MODULE FOR HARD DISK DRIVES - An ejecting module is used in a server and includes a connector, a holder, a hard disk drive, a detecting circuit, a current output circuit, a first electromagnet and a second electromagnet. The hard disk drive is received in the holder. The detecting circuit detects whether the hard disk drive is electronically connected to the connector to output a control signal. The current output circuit receives the control signal and outputs a current. The first electromagnet is adjacent to the connector, and the second electromagnet faces the first electromagnet, the first electromagnet and the second electromagnet being electronically connected to the current output circuit. The current magnetizes the first electromagnet and the second electromagnet, a repulsion force is produced between the first electromagnet and the second electromagnet for moving the second electromagnet from the first electromagnet to be spaced from each other. | 09-26-2013 |
20130258830 | BATTERY MANAGEMENT DEVICE, BATTERY APPARATUS, DISK ARRAY APPARATUS AND BATTERY MANAGEMENT METHOD - Disclosed is a battery management device | 10-03-2013 |
20130258831 | DISK ARRAY DEVICE, A FAILURE PATH SPECIFYING METHOD AND A PROGRAM THEREOF - The object of the present invention is to provide a disk array device, a failure path specifying method and a program thereof capable of specifying a physical interconnection path where failures occurred. | 10-03-2013 |
20140112118 | System and Method for Identifying Failing Drives or Media in Media Libary - Embodiments of methods and systems comprise identifying failing media and/or drives for a media library. Error data can be collected from media libraries. For each tape exhibiting an error rate of interest, a determination can be made whether the tape would still have been of interest had it not been loaded in certain drives. This information can be analyzed to identify failing drives or tapes. | 04-24-2014 |
20140233365 | PERIODIC ROTATIONAL VIBRATION CHECK FOR STORAGE DEVICES TO COMPENSATE FOR VARYING LOADS - A periodic rotational vibration check for storage devices to compensate for varying loads is disclosed. A variable representing rotational vibration status is maintained in a rotational vibration log. The variable is processed to determine whether a storage device exhibits a rotational vibration issue. Workload analysis is performed to identify a change to the workloads run on physically separate hardware to resolve the rotational vibration issue and thus eliminate the need for more expensive hardware. | 08-21-2014 |
20140254343 | PEER TO PEER VIBRATION MITIGATION - A system for peer-to-peer vibration mitigation in a distributing computing system includes a secondary communication interface over which chassis management electronics (e.g., a chassis-level controller) and/or system storage nodes may initiate communications to in order to affect system changes that may decrease vibration-related performance degradation in the system. | 09-11-2014 |
20140254344 | Contact Detection - A method of detecting a contact between a transducing head and a storage medium is provided. The method applies an input signal, having a select power level and known frequency, to an actuator for actuating the head. An output signal is obtained in response to the input signal. At least one signal component is extracted from the output signal at the same or a harmonic of the same known frequency as the input signal applied to the actuator. Whether the at least one extracted signal component indicates a contact between the head and the medium is determined. The power level of the applied wave pattern is increased incrementally until the extracted signal component indicates a contact between the head and the storage medium. | 09-11-2014 |
20140293765 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - An information processing apparatus of the present invention includes an HDD status monitoring part | 10-02-2014 |
20140313873 | DETECTING APPARATUS FOR HARD DISK DRIVE - A detecting circuit for a number of hard disk drives (HDDs) includes a backplane, a control circuit, a converting circuit, and an integrated baseboard management controller (IBMC) chip. The backplane is connected to the HDDs and outputs state signals of the HDDs corresponding to operation information of the HDDs to the control circuit. The control circuit outputs parallel signals corresponding to the state signals to the converting circuit. The converting circuit converts the parallel signals into serial signals and outputs the serial signals to the IBMC chip. Operation information of the HDDs is obtained through the IBMC chip remotely. | 10-23-2014 |
20160012844 | VARIABLE SCOPING CAPABILITY FOR PHYSICAL TAPE LAYOUT DIAGNOSTIC STRUCTURE OF TAPE STORAGE DEVICE | 01-14-2016 |
20160118067 | DETECTING DAMAGE TO MAGNETORESISTIVE SENSORS - In one embodiment, a system is provided for detecting a damaged magnetoresistive sensor. The system includes a processor, and logic or software stored in hardware that is executable by the processor. The logic or software is configured to, when executed by the processor, determine a scaled resistance of a plurality of sensors. The scaled resistances are measured against at least a first bias current, I | 04-28-2016 |
20160148646 | METHOD AND SYSTEM FOR MONITORING OF LIBRARY COMPONENTS - Embodiments of the present invention provide a method for monitoring components in a library by tracking the movement of library components. By tracking the movement of library components, the degradation of library components can be monitored and the reliability of library components determined, allowing unreliable components to be bypassed or replaced, enhancing the reliability of the library and preventing data loss. | 05-26-2016 |