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公开(公告)号：US07995303B2
公开(公告)日：2011-08-09
申请号：US12551280
申请日：2009-08-31
申请人： James M. Karp , Takashi Katagiri , Motoko Oe , Yutaka Oishi
发明人： James M. Karp , Takashi Katagiri , Motoko Oe , Yutaka Oishi
IPC分类号： G11B15/46
CPC分类号： G11B15/02 , G11B20/10527 , G11B2220/90
摘要： Various embodiments for writing received synchronized data to magnetic tape having a plurality of wraps using a magnetic tape drive adapted for performing the writing according to an available plurality of predefined tape speeds are provided. In one such embodiment, for each of the available plurality of predefined tape speeds, an average overhead per synchronized command for performing a recursively accumulated backhitchless flush (RABF) cycle is calculated. One of the available plurality of predefined tape speeds having a lowest calculated average overhead is selected. The RABF cycle is performed using the selected one of the available plurality of predefined tape speeds.
摘要翻译： 提供了用于使用适于根据可用的多个预定磁带速度执行写入的磁带驱动器将接收的同步数据写入具有多个卷绕的磁带的各种实施例。 在一个这样的实施例中，对于可用的多个预定义的磁带速度中的每一个，计算用于执行递归累积的反向无间隙冲洗（RABF）周期的每个同步命令的平均开销。 选择具有最低计算平均开销的可用多个预定磁带速度之一。 使用所选择的可用多个预定磁带速度之一来执行RABF周期。
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公开(公告)号：US09959045B2
公开(公告)日：2018-05-01
申请号：US13449219
申请日：2012-04-17
申请人： James M. Karp , Takashi Katagiri , Yuhko Mori , Yutaka Oishi
发明人： James M. Karp , Takashi Katagiri , Yuhko Mori , Yutaka Oishi
CPC分类号： G06F3/0608 , G06F3/0653 , G06F3/0659 , G06F3/0682 , G06F2003/0698 , G11B5/00813 , G11B5/00817 , G11B2220/90
摘要： In one general embodiment, a tape drive system includes: a read channel; a write channel; logic configured to receiving a request for a write operation to be performed in a tape drive; logic configured to determine an optimum a write procedure in response to receiving the request, the determining being based on expected writing times of each of a plurality of write procedures and an expected transaction size of a next write operation; and logic configured to invoke the determined optimum write procedure in response to determining the optimum write procedure.
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公开(公告)号：US20130275666A1
公开(公告)日：2013-10-17
申请号：US13449219
申请日：2012-04-17
申请人： James M. Karp , Takashi Katagiri , Yuhko Mori , Yutaka Oishi
发明人： James M. Karp , Takashi Katagiri , Yuhko Mori , Yutaka Oishi
IPC分类号： G06F12/00
CPC分类号： G06F3/0608 , G06F3/0653 , G06F3/0659 , G06F3/0682 , G06F2003/0698 , G11B5/00813 , G11B5/00817 , G11B2220/90
摘要： In one general embodiment, a tape drive system includes: a read channel; a write channel; logic configured to receiving a request for a write operation to be performed in a tape drive; logic configured to determine an optimum a write procedure in response to receiving the request, the determining being based on expected writing times of each of a plurality of write procedures and an expected transaction size of a next write operation; and logic configured to invoke the determined optimum write procedure in response to determining the optimum write procedure.
摘要翻译： 在一个一般实施例中，磁带驱动系统包括：读通道; 写通道; 被配置为接收在磁带驱动器中执行写入操作的请求的逻辑; 配置为响应于接收到所述请求而确定最佳写入过程的逻辑，所述确定基于多个写入过程中的每一个的预期写入时间和下一个写入操作的预期事务大小; 以及被配置为响应于确定最佳写入过程而调用所确定的最佳写入过程的逻辑。
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4.发明授权
公开(公告)号：US5109385A
公开(公告)日：1992-04-28
申请号：US343551
申请日：1989-04-27
CPC分类号： G11B20/12 , G11B20/1833 , G11B2020/183
摘要： A record medium, such as a magnetic tape, optical disk, magnetic disk, and the like stores data signals and error redundancy signals. Resynchronization signals are interleaved between the recorded signals such that the error redundancy signals are usable to correct signals recorded between such interposed resynchronization signals wherein no error redundancy signals are recorded. Error pointing redundancy signals are recorded between all of the resynchronization signals for pointing to signals in error for enhancing the error correction. Such error pointing signals can be cyclic redundancy check (CRC) signals. Controls for taking advantage of the above-described arrangement are also described. Reframing and clock synchronization controls are also disclosed.
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5.发明申请Method and system for controlling access to data of a tape data storage medium 有权用于控制对磁带数据存储介质的数据的访问的方法和系统公开(公告)号：US20070276991A1
公开(公告)日：2007-11-29
申请号：US11438830
申请日：2006-05-23
申请人： Glen A. Jaquette , James M. Karp
发明人： Glen A. Jaquette , James M. Karp
IPC分类号： G06F13/00
CPC分类号： G06F21/6218 , G06F21/80
摘要： A method, system, and machine-readable medium for controlling access to data of a tape data storage medium are disclosed. In accordance with one embodiment, a method is provided which comprises conveying data access control metadata from a tape cartridge comprising a tape data storage medium to a host, receiving decrypted metadata from the host, comparing a checksum value determined utilizing the decrypted metadata with checksum data stored within the tape cartridge; and processing a request to access the tape data storage medium received from the host based upon a comparison of the checksum value and checksum data. In the described method embodiment, the data access control metadata comprises encrypted metadata corresponding to a data storage parameter, where data is stored within the tape data storage medium utilizing the data storage parameter and the decrypted metadata is generated by the host utilizing the encrypted metadata.
摘要翻译： 公开了一种用于控制对磁带数据存储介质的数据的访问的方法，系统和机器可读介质。 根据一个实施例，提供了一种方法，其包括将数据访问控制元数据从包括磁带数据存储介质的磁带盒传送到主机，从主机接收解密的元数据，将使用解密的元数据确定的校验和值与校验和数据进行比较 存储在磁带盒内; 以及基于校验和值和校验和数据的比较来处理从主机接收的磁带数据存储介质的请求。 在所描述的方法实施例中，数据访问控制元数据包括对应于数据存储参数的加密元数据，其中使用数据存储参数将数据存储在磁带数据存储介质中，并且由主机利用加密元数据生成解密的元数据。
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6.发明授权公开(公告)号：US07793041B2
公开(公告)日：2010-09-07
申请号：US12112070
申请日：2008-04-30
申请人： Glen A. Jaquette , James M. Karp
发明人： Glen A. Jaquette , James M. Karp
IPC分类号： G06F12/14
CPC分类号： G06F21/6218 , G06F21/80
摘要： A method, system, and machine-readable medium for controlling access to data of a tape data storage medium are disclosed. In accordance with one embodiment, a method is provided which comprises conveying data access control metadata from a tape cartridge comprising a tape data storage medium to a host, receiving decrypted metadata from the host, comparing a checksum value determined utilizing the decrypted metadata with checksum data stored within the tape cartridge; and processing a request to access the tape data storage medium received from the host based upon a comparison of the checksum value and checksum data. In the described method embodiment, the data access control metadata comprises encrypted metadata corresponding to a data storage parameter, where data is stored within the tape data storage medium utilizing the data storage parameter and the decrypted metadata is generated by the host utilizing the encrypted metadata.
摘要翻译： 公开了一种用于控制对磁带数据存储介质的数据的访问的方法，系统和机器可读介质。 根据一个实施例，提供了一种方法，其包括将数据访问控制元数据从包括磁带数据存储介质的磁带盒传送到主机，从主机接收解密的元数据，将使用解密的元数据确定的校验和值与校验和数据进行比较 存储在磁带盒内; 以及基于校验和值和校验和数据的比较来处理从主机接收的磁带数据存储介质的请求。 在所描述的方法实施例中，数据访问控制元数据包括对应于数据存储参数的加密元数据，其中使用数据存储参数将数据存储在磁带数据存储介质中，并且由主机利用加密元数据生成解密的元数据。
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公开(公告)号：US07159140B2
公开(公告)日：2007-01-02
申请号：US10645061
申请日：2003-08-21
申请人： Paul M. Greco , James M. Karp , David L. Swanson , Raymond Yardy
发明人： Paul M. Greco , James M. Karp , David L. Swanson , Raymond Yardy
IPC分类号： G06F11/00
CPC分类号： G06F3/0632 , G06F3/0614 , G06F3/0686 , G11B15/68
摘要： A method to transfer information between data storage devices. The method provides an information storage assembly comprising a frame, a memory device disposed on that frame, information written to that memory device, a power supply removeably attached to the frame, and a first data storage device comprising a first identity removeably attached the frame. The method writes first configuration information to the memory device. If the method detects an error in the first data storage device, then the method removes the first data storage device from the frame. The method further provides a replacement data storage device, removeably attaches that replacement data storage device to the frame, and determines if the replacement device uses the first configuration information. If the replacement device uses the first configuration information, then the method provides the first configuration information to the replacement data storage device from the memory device.
摘要翻译： 一种在数据存储设备之间传输信息的方法。 该方法提供了一种信息存储组件，其包括框架，设置在该框架上的存储设备，写入该存储设备的信息，可移除地附接到该框架的电源以及包括第一身份可移除地连接该框架的第一数据存储设备。 该方法将第一配置信息写入存储设备。 如果该方法检测到第一数据存储设备中的错误，则该方法从该帧中移除第一数据存储设备。 该方法还提供一种替换数据存储装置，将替换数据存储装置可移除地附接到该帧，并且确定替换装置是否使用第一配置信息。 如果替换装置使用第一配置信息，则该方法从存储装置向替换数据存储装置提供第一配置信息。
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公开(公告)号：US07948711B2
公开(公告)日：2011-05-24
申请号：US12756089
申请日：2010-04-07
CPC分类号： G11B5/41
摘要： A system, a method, and article of manufacture are employed to clean the input/output transducers on tape drives, verified by the tape drives reading alphanumeric information from data tracks and servo tracks of a cleaner tape. An aggressive cleaning frontcoat section of the cleaner tape can be used to provide additional cleaning action, and the cleanliness of the data read elements, data write elements, and the servo heads. A less-abrasive cleaning section may be used to clean less difficult types of contaminants. In this manner, the cleanliness of the data read elements, the data write elements, and the servo heads can be verified. A cleaning section may also be used as a leader section of a self-characterization section. Alternatively, a magnetic data tape section may be included for self-characterization.
摘要翻译： 采用系统，方法和制品来清理磁带驱动器上的输入/输出换能器，由磁带驱动器读取数据轨道和清洁磁带的伺服轨道的字母数字信息进行验证。 清洁器带的积极的清洁前涂层部分可用于提供额外的清洁动作，以及数据读取元件，数据写入元件和伺服头的清洁度。 较少研磨的清洁部分可用于清洁较不困难的污染物类型。 以这种方式，可以验证数据读取元件，数据写入元件和伺服磁头的清洁度。 清洁部分也可以用作自我表征部分的引导部分。 或者，可以包括磁数据带部分用于自我表征。
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公开(公告)号：US07724472B2
公开(公告)日：2010-05-25
申请号：US12141857
申请日：2008-06-18
CPC分类号： G11B5/41
摘要： A system, a method, and article of manufacture are employed to clean the input/output transducers on tape drives, verified by the tape drives reading alphanumeric information from data tracks and servo tracks of a cleaner tape. An aggressive cleaning frontcoat section of the cleaner tape can be used to provide additional cleaning action, and the cleanliness of the data read elements, data write elements, and the servo heads. A less-abrasive cleaning section may be used to clean less difficult types of contaminants. In this manner, the cleanliness of the data read elements, the data write elements, and the servo heads can be verified. A cleaning section may also be used as a leader section of a self-characterization section. Alternatively, a magnetic data tape section may be included for self-characterization.
摘要翻译： 采用系统，方法和制品来清理磁带驱动器上的输入/输出换能器，由磁带驱动器读取数据轨道和清洁磁带的伺服轨道的字母数字信息进行验证。 清洁带的积极清洁前涂层可用于提供额外的清洁动作，以及数据读取元件，数据写入元件和伺服头的清洁度。 较少研磨的清洁部分可用于清洁较不困难的污染物类型。 以这种方式，可以验证数据读取元件，数据写入元件和伺服磁头的清洁度。 清洁部分也可以用作自我表征部分的引导部分。 或者，可以包括磁数据带部分用于自我表征。
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公开(公告)号：US07539895B2
公开(公告)日：2009-05-26
申请号：US11539469
申请日：2006-10-06
申请人： Paul M. Greco , James M. Karp , David L. Swanson , Raymond Yardy
发明人： Paul M. Greco , James M. Karp , David L. Swanson , Raymond Yardy
IPC分类号： G06F11/00
CPC分类号： G06F3/0632 , G06F3/0614 , G06F3/0686 , G11B15/68
摘要： A method is disclosed to transfer information between data storage devices. The method provides an information storage assembly comprising a frame, a memory device disposed on that frame, information written to that memory device, a power supply removeably attached to the frame, and a first data storage device comprising a first identity removeably attached the frame. If the method detects an error in the first data storage device, then the method removes the first data storage device from the frame. The method further provides a replacement data storage device, removeably attaches that replacement data storage device to the frame, and determines if the replacement device uses the first configuration information. If the replacement device uses the first configuration information, then the method provides the first configuration information to the replacement data storage device from the memory device.
摘要翻译： 公开了一种在数据存储设备之间传送信息的方法。 该方法提供了一种信息存储组件，其包括框架，设置在该框架上的存储设备，写入该存储设备的信息，可移除地附接到该框架的电源以及包括第一身份可移除地连接该框架的第一数据存储设备。 如果该方法检测到第一数据存储设备中的错误，则该方法从该帧中移除第一数据存储设备。 该方法还提供一种替换数据存储装置，将替换数据存储装置可移除地附接到该帧，并且确定替换装置是否使用第一配置信息。 如果替换装置使用第一配置信息，则该方法从存储装置向替换数据存储装置提供第一配置信息。
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