公开(公告)号：EP2328144A4

公开(公告)日：2011-12-28

申请号：EP09804852

申请日：2009-07-15

Applicant: IBM

Inventor： OISHI YUTAKA ,  NAKAMURA KENJI ,  MASUDA SETSUKO

IPC: G11B5/008 ,  G11B5/48

CPC classification number: G11B5/00813 ,  G11B5/4893 ,  G11B20/10009 ,  G11B2020/10898 ,  G11B2220/93

公开(公告)号：EP2450897A4

公开(公告)日：2016-03-30

申请号：EP10793990

申请日：2010-06-15

Applicant: IBM

Inventor： MASUDA SETSUKO ,  OISHI YUTAKA ,  ABE ATSUSHI ,  YAMAMOTO NORIKO ,  OE MOTOKO ,  KATAGIRI TAKASHI ,  YOSHIMURA KATSUMI

IPC: G11B27/00 ,  G06F3/06

CPC classification number: G11B27/002 ,  G11B2220/90

公开(公告)号：EP2309506A4

公开(公告)日：2013-12-04

申请号：EP09794381

申请日：2009-07-03

Applicant: IBM

Inventor： OISHI YUTAKA ,  NAKAYAMA HIROKAZU ,  KATAGIRI TAKASHI

IPC: G11B20/10 ,  G11B15/20 ,  G11B15/46

CPC classification number: G11B15/46 ,  G11B15/1875 ,  G11B20/10527 ,  G11B2020/10703 ,  G11B2020/10981 ,  G11B2220/90

公开(公告)号：EP2352081A4

公开(公告)日：2012-10-17

申请号：EP09816034

申请日：2009-09-02

Applicant: IBM

Inventor： OISHI YUTAKA ,  TSURUTA KAZUHIRO ,  TAKETOMI TOMOKO ,  IWASAKI NORIE

IPC: G06F3/06 ,  G11B27/00

CPC classification number: G06F3/0611 ,  G06F3/0629 ,  G06F3/0635 ,  G06F3/0659 ,  G06F3/0682 ,  G06F3/0686

公开(公告)号：JP2009266279A

公开(公告)日：2009-11-12

申请号：JP2008112560

申请日：2008-04-23

Applicant: Internatl Business Mach Corp ,  インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Maschines Corporation

Inventor： OISHI YUTAKA

IPC: G11B20/10 ,  G06F3/06

CPC classification number: G06F3/0656 ,  G06F3/0613 ,  G06F3/0673 ,  G06F5/12

Abstract: PROBLEM TO BE SOLVED: To prevent a situation where all the data in a buffer cannot be written to a recording medium, while keeping high recording efficiency of the recording medium. SOLUTION: In a tape drive controller 16, a distance calculating unit 44 calculates a distance from a current position on a tape to the end of the tape. A command processing unit 41 receives a write command. If the distance is large, a usable capacity determining unit 45 sets a usable capacity of the buffer to be equal to a maximum capacity of the buffer. If the distance is small, the usable capacity determining unit 45 sets the usable capacity of the buffer according to the distance. If a capacity for data indicated by the write command is less than or equal to a difference between the usable capacity and current usage of the buffer, a buffer managing unit 42 stores the data in the buffer. When the command processing unit 41 receives a Write FM command, the buffer managing unit 42 reads the data from the buffer, updates the current usage, and a channel input/output unit 43 writes the data to the tape. COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：为了防止缓冲器中的所有数据不能被写入记录介质的情况，同时保持记录介质的高记录效率。 解决方案：在磁带驱动器控制器16中，距离计算单元44计算从磁带上当前位置到磁带末端的距离。 命令处理单元41接收写命令。 如果距离很大，则可用容量确定单元45将缓冲器的可用容量设置为等于缓冲器的最大容量。 如果距离小，则可用容量确定单元45根据距离设置缓冲器的可用容量。 如果写命令指示的数据容量小于或等于缓冲器的可用容量和当前使用量之差，则缓冲器管理单元42将数据存储在缓冲器中。 当命令处理单元41接收到写入FM命令时，缓冲器管理单元42从缓冲器读取数据，更新当前使用，并且通道输入/输出单元43将数据写入磁带。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：GB2495613B

公开(公告)日：2015-12-02

申请号：GB201217981

申请日：2012-10-08

Applicant: IBM

Inventor： NYLANDER-HILL PAMELA RUTH ,  OISHI YUTAKA ,  MASUDA SETSUKO

IPC: G11B20/18 ,  G11B15/20

Abstract: A computer program product includes a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code being executable by a processing circuit to cause the processing circuit to perform the following process. A data transfer operation is monitored for detecting one or more temps. A backhitch delay is set based at least in part on a post-recovery condition of a tape drive performing a portion of the data transfer operation. A backhitch is caused to be performed. At least one condition of the data transfer operation is altered after the backhitch delay.

公开(公告)号：JP2013191259A

公开(公告)日：2013-09-26

申请号：JP2012058202

申请日：2012-03-15

Applicant: Internatl Business Mach Corp ,  インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation

Inventor： OISHI YUTAKA ,  FUJIWARA SHINOBU

IPC: G11B20/10 ,  G11B15/18 ,  G11B15/20

CPC classification number: G06F3/0608 ,  G06F3/061 ,  G06F3/0643 ,  G06F3/0656 ,  G06F3/0682 ,  H04N7/18

Abstract: PROBLEM TO BE SOLVED: To improve a data transfer speed during reading by a new data writing method to a tape.SOLUTION: A tape drive for recording data while making a tape reciprocatingly running includes (a) a step for storing data received from each of at least two data sources or more in a buffer, (b) a step for writing the data received from each of the two data sources or more and stored in the buffer in a specific area of a lap in each data source at predetermined length of the first lap in a predetermined order, and (c) a step for moving a head to a second lap of the tape when arriving at an end edge of a first lap of the tape, and writing data of each data source in a specific area of the lap in each data source at predetermined length of the second lap in an inverse order of the predetermined order of the first lap while making the tape running in the opposite direction from the writing to the first lap.

Abstract translation: 要解决的问题：提高在通过新的数据写入方法读取磁带的数据传输速度。解决方案：一种用于在磁带往复运行的同时记录数据的磁带驱动器包括：（a）用于存储从每个 在缓冲器中的至少两个数据源或更多个数据源，（b）用于将从两个数据源中的每一个接收的数据或更多数据并将其存储在每个数据源中的每个数据源的特定区域中的预定长度的步骤 以预定顺序进行第一圈，以及（c）当到达磁带的第一圈的端部边缘时将磁头移动到磁带的第二圈的步骤，以及将每个数据源的数据写入特定区域 在第一圈的预定顺序与第一圈的预定顺序相反的顺序，在第二圈的预定长度的每个数据源中的搭接部分的圈数在使得带沿着从写入到第一圈的相反方向延伸。

公开(公告)号：JP2012138135A

公开(公告)日：2012-07-19

申请号：JP2010288346

申请日：2010-12-24

Applicant: Internatl Business Mach Corp ,  インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Maschines Corporation

Inventor： OISHI YUTAKA ,  ITAGAKI HIROSHI

IPC: G11B27/00

CPC classification number: G06F3/0607 ,  G06F3/0647 ,  G06F3/0686

Abstract: PROBLEM TO BE SOLVED: To provide data contents in a recording medium via a present recording medium by transferring (migrating) in a readable manner over each generation.SOLUTION: A storage device includes means for preparing a first generation recording medium for a long storage which records plural records; and means for transferring data from the first generation recording medium to the following generation recording medium (three generations following the first generation) and recording media of the subsequent respective generations. The means for transferring data generates a piece of migration information including a correspondence table of record numbers between the first generation and the present generation and the migration information is stored in the following generation recording medium as data. When reading the recorded content from the present recording medium, the means for transferring data reads the migration information stored in the present recording medium using a first generation or intermediate generation reading application and reads the record while referring to the correspondence table of the record numbers. The migration information has a correspondence relation between a range of the record number of the first generation and a range of the record number of the intermediate or present generation.

Abstract translation: 要解决的问题：通过在每一代中以可读方式转移（迁移），通过本记录介质在记录介质中提供数据内容。 解决方案：存储装置包括：用于准备记录多个记录的用于长存储器的第一代记录介质的装置; 以及用于将数据从第一代记录介质传送到下一代记录介质（第一代后三代）和后续各代记录介质的装置。 用于传送数据的装置产生一条迁移信息，其中包括第一代与当代之间的记录号对应表，并且迁移信息作为数据存储在下一代记录介质中。 当从当前记录介质读取记录的内容时，用于传送数据的装置使用第一代或中间产生读取应用读取存储在本记录介质中的迁移信息，并且参考记录号的对应表读取该记录。 迁移信息具有第一代记录号的范围与中间或本代的记录号的范围之间的对应关系。 版权所有（C）2012，JPO＆INPIT

公开(公告)号：JP2010113739A

公开(公告)日：2010-05-20

申请号：JP2008281985

申请日：2008-10-31

Applicant: Internatl Business Mach Corp ,  インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Maschines Corporation

Inventor： KATAGIRI TAKASHI ,  OISHI YUTAKA ,  OE TOKO ,  NAKAYAMA KOICHI

IPC: G11B20/10

CPC classification number: G11B15/46 ,  G11B15/32

Abstract: PROBLEM TO BE SOLVED: To provide a method for selecting optimum tape speed of a tape drive in which performance transferred from the host is not deteriorated in response to intermittent read requests from the host.
SOLUTION: The tape drive includes: a buffer for temporarily storing data transferred from the host at the prescribed host-transfer speed; a tape in which data temporarily stored in the buffer is recorded; a reading head storing successively data recorded in the tape in a reading buffer; and a reading control means driving the tape so that drive transfer speed coincides with host transfer speed. Quantity of data accumulated in the buffer is measured during host transfer stop succeeding to host transfer, when it is determined that the buffer is filled by accumulated data, tape speed is selected so that drive transfer speed becomes a value smaller than that of host transfer speed. Host transfer speed is converted by including time of host transfer and host transfer stop, then, tape speed is selected so that drive transfer speed coincides with converted host transfer speed.
COPYRIGHT: (C)2010,JPO&INPIT

Abstract translation: 要解决的问题：提供一种用于选择磁带驱动器的最佳磁带速度的方法，其中响应于来自主机的间歇读取请求，从主机传送的性能不会恶化。 解决方案：磁带驱动器包括：缓冲器，用于临时存储以规定的主机传送速度从主机传送的数据; 记录临时存储在缓冲器中的数据的磁带; 读取头将记录在磁带中的数据连续地存储在读取缓冲器中; 以及读取控制装置驱动带，使得驱动传递速度与主机传送速度一致。 在主机传送之后的主机传送停止期间测量缓冲器中累积的数据量，当确定缓冲器被累计数据填充时，选择磁带速度，使得驱动传输速度变为小于主机传输速度的值 。 通过主机传输和主机传输停止时间来转换主机传输速度，然后选择磁带速度，使驱动传输速度与转换的主机传输速度一致。 版权所有（C）2010，JPO＆INPIT

公开(公告)号：JP2013101506A

公开(公告)日：2013-05-23

申请号：JP2011244961

申请日：2011-11-08

Applicant: Internatl Business Mach Corp ,  インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation

Inventor： HASEGAWA TORU ,  OISHI YUTAKA ,  IMAI NAOKI ,  KAMIYA MASANORI ,  HIRATA TAKAMASA

IPC: G06F12/00 ,  G06F3/06

CPC classification number: G06F3/0619 ,  G06F3/0643 ,  G06F3/065 ,  G06F3/0685 ,  G06F17/30091 ,  G06F17/30179 ,  G06F17/30218 ,  G11B5/00817 ,  G11B5/09 ,  G11B27/032 ,  G11B27/107 ,  G11B27/328 ,  G11B2220/95

Abstract: PROBLEM TO BE SOLVED: To perform access not lowering a performance specialized in sequential media without executing mounting depending on a hardware device on an application side.SOLUTION: In a file system 60, a command processing part 61 takes out an option indicating a file listing method from a command, an index reception part 63 receives an index including a directory name, a file name and a recording position from a tape drive, and an index storage part 66 stores the index in the state as it is or in the state of changing the directory name or the file name according to the listing method indicated by the option. In the meantime, when an IRP reception part 67 receives an IRP (I/O Request Packet) from an OS, an IRP setting part 68 stores the file name inside the index in a buffer of the IRP in the order of the recording position, and a response transmission part 69 returns a status to the OS.

Abstract translation: 要解决的问题：根据应用侧的硬件设备，不执行安装，执行不降低专用于顺序介质的性能的访问。 解决方案：在文件系统60中，命令处理部分61从命令中取出指示文件列表方法的选项，索引接收部分63从索引接收部分63接收包括目录名称，文件名和记录位置的索引 磁带驱动器和索引存储部分66按照原样存储索引，或者根据选项指示的列表方法来更改目录名称或文件名的状态。 同时，当IRP接收部分67从OS接收到IRP（I / O请求分组）时，IRP设置部分68按照记录位置的顺序将索引内的文件名存储在IRP的缓冲器中， 并且响应发送部69将状态返回到OS。 版权所有（C）2013，JPO＆INPIT