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1. 发明申请

WO2007088139A1 USING AT LEAST ONE SERVO CHANNEL TO PROVIDE TIMING RECOVERY AND TIMING INFORMATION TO DATA CHANNELS 审中-公开
标题翻译：使用至少一个服务器通道来为数据通道提供时序恢复和时序信息
公开(公告)号：WO2007088139A1
公开(公告)日：2007-08-09
申请号：PCT/EP2007/050772
申请日：2007-01-26
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , BUI, Nhan, Xuan , CHERUBINI, Giovanni , ELEFTHERIOU, Evangelos , HUTCHINS, Robert, Allen , JAQUETTE, Glen, Alan , JELITTO, Jens , OELCER, Sedat , TAYLOR, Mark, Allan
发明人： BUI, Nhan, Xuan , CHERUBINI, Giovanni , ELEFTHERIOU, Evangelos , HUTCHINS, Robert, Allen , JAQUETTE, Glen, Alan , JELITTO, Jens , OELCER, Sedat , TAYLOR, Mark, Allan
IPC分类号： G11B27/10 , G11B20/10
CPC分类号： G11B27/36 , G11B20/10037 , G11B20/10046 , G11B20/10055 , G11B20/10212 , G11B20/10259 , G11B20/1403 , G11B20/1876 , G11B27/10 , G11B2020/10592 , G11B2220/90 , G11B2220/95
摘要： Provided is a read channel, storage drive, and method to process signals read from a storage medium. At least one data channel including an interpolator and equalizer and a servo channel includes an interpolator. A timing recovery function processes a timing error from the interpolator in the servo channel to calculate interpolation timing information used by the interpolator to interpolate a servo channel signal. A path is coupled to the timing recovery function and the interpolator in the at least one data channel to communicate the interpolation timing information to the interpolator in the at least one data channel. The interpolator in the at least one data channel is configured to use the interpolation timing information to interpolate an asynchronous data channel signal.
摘要翻译：提供了一种用于处理从存储介质读取的信号的读通道，存储驱动器和方法。包括内插器和均衡器和伺服信道的至少一个数据信道包括内插器。定时恢复功能处理来自伺服信道中的内插器的定时误差，以计算内插器使用的内插定时信息来内插伺服信道信号。路径耦合到至少一个数据信道中的定时恢复功能和内插器，以将内插定时信息传送到至少一个数据信道中的内插器。至少一个数据信道中的内插器被配置为使用内插定时信息内插异步数据信道信号。

2. 发明申请

WO2008059406A1 OVERSAMPLED CHANNEL RESPONSE IDENTIFICATION 审中-公开
标题翻译：超声波通道响应识别
公开(公告)号：WO2008059406A1
公开(公告)日：2008-05-22
申请号：PCT/IB2007/054535
申请日：2007-11-08
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , CHERUBINI, Giovanni , ELEFTHERIOU, Evangelos, S. , HUTCHINS, Robert, Allen , JAQUETTE, Glen, Alan , OELCER, Sedat
发明人： CHERUBINI, Giovanni , ELEFTHERIOU, Evangelos, S. , HUTCHINS, Robert, Allen , JAQUETTE, Glen, Alan , OELCER, Sedat
IPC分类号： G11B20/10 , H04L25/03
CPC分类号： G11B20/10009 , G11B20/10046 , G11B20/10212 , H04B1/7085 , H04J2013/0037 , H04L25/0212 , H04L25/03038
摘要： Methods, apparatus and computer programs are provided for multiplication-free identification of the impulse response of an oversampled data channel (3). An input ( a ) comprising a pseudo-random binary sequence of L symbols is supplied to the channel (3) at a symbol rate of 1/T. A channel output ( z ) is produced by sampling a channel output signal corresponding to the input (a) with a sampling interval T s = (q/p)T, where q and p are relative prime integers with q P(j)) are produced from the channel output ( z ) by selecting, for each polyphase sequence ( P(j)) , every p th sample of the channel output ( z ), with a phase shift of one sample between successive polyphase sequences ( p(j) ). A decimated binary sequence ( b ) is produced by selecting every q th symbol of the channel input ( a ). Each polyphase sequence ( p(j) ) is correlated with the decimated binary sequence ( b ), the two possible binary values being of equal magnitude and opposite sign for the correlation. The correlation results are accumulated to produce a correlated output sequence ( c(j) ) for that polyphase sequence (p(j) ). The samples of the correlated output sequences ( c(j) ) are then interleaved in phase order of the corresponding polyphase sequences ( p(j) ) to produce the impulse response of the channel.
摘要翻译：提供了方法，装置和计算机程序，用于对过采样数据信道（3）的脉冲响应进行无乘法识别。包含L个符号的伪随机二进制序列的输入（a）以符号率1 / T提供给信道（3）。通过以采样间隔T（t / p）T对与输入（a）相对应的通道输出信号进行采样来产生通道输出（z），其中q和p是相对第一整数对于q 个符号来产生抽取的二进制序列（b）。每个多相序列（p（j））与抽取的二进制序列（b）相关，两个可能的二进制值相等，相关的符号相反。累积相关结果以产生该多相序列（p（j））的相关输出序列（c（j））。然后，相关输出序列（c（j））的样本以对应的多相序列（p（j））的相位顺序进行交织，以产生信道的脉冲响应。

3. 发明申请

WO2007023012A1 READ CHANNEL APPARATUS FOR ASYNCHRONOUS OVERSAMPLING, SYNCHRONOUS FRACTIONALLY SPACED EQUALIZATION AND DIGITAL GAIN CONTROL 审中-公开
标题翻译：阅读频道设备，用于异步超声，同步分位均衡和数字增益控制
公开(公告)号：WO2007023012A1
公开(公告)日：2007-03-01
申请号：PCT/EP2006/063793
申请日：2006-07-03
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , ELEFTHERIOU, Evangelos , OELCER, Sedat , JAQUETTE, Glen, Alan , JELITTO, Jens , HUTCHINS, Robert, Allan
发明人： ELEFTHERIOU, Evangelos , OELCER, Sedat , JAQUETTE, Glen, Alan , JELITTO, Jens , HUTCHINS, Robert, Allan
IPC分类号： G11B20/10 , H04N5/52
CPC分类号： G11B20/10009 , G11B20/10027 , G11B20/10046 , G11B20/10055
摘要： A read channel receiver apparatus and a method are disclosed. The read channel receiver chain comprises an analog to digital converter which asynchronously samples at a fixed rate an analog signal formed by reading a data track, where that data track was written to a data storage medium at a symbol rate, and an upsampler and interpolator interconnected with the analog to digital converter. The receiver further comprises a fractionally-spaced equalizer, where the interpolator provides a signal to the fractionally-spaced equalizer at an interpolation rate greater than the symbol rate. The fractionally-spaced equalizer forms a synchronous equalized signal. The receiver further comprises a digital gain control module interconnected with the fractionally-spaced equalizer, and a sequence detector outputing a maximum likelihood signal sequence.
摘要翻译：公开了一种读通道接收装置和方法。读通道接收器链包括模数转换器，其以固定速率异步采样通过读取数据轨道形成的模拟信号，其中数据轨道以符号速率写入数据存储介质，并且上采样器和内插器互连与模数转换器。接收机还包括分数间隔的均衡器，其中内插器以大于符号速率的插值速率向分数间隔的均衡器提供信号。分数间隔均衡器形成同步均衡信号。接收机还包括与分数间隔的均衡器互连的数字增益控制模块，以及输出最大似然信号序列的序列检测器。

4. 发明申请

WO2007020123A1 METHOD AND APPARATUS FOR PROVIDING ERROR CORRECTION CAPABILITY TO LONGITUDINAL POSITION DATA 审中-公开
标题翻译：用于向长期位置数据提供错误修正能力的方法和装置
公开(公告)号：WO2007020123A1
公开(公告)日：2007-02-22
申请号：PCT/EP2006/063457
申请日：2006-06-22
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , SEGER, Paul , ELEFTHERIOU, Evangelos , JAQUETTE, Glen, Alan , CIDECIYAN, Roy, Daron
发明人： SEGER, Paul , ELEFTHERIOU, Evangelos , JAQUETTE, Glen, Alan , CIDECIYAN, Roy, Daron
IPC分类号： G11B20/18
CPC分类号： G11B20/1201 , G11B20/18 , G11B20/1866 , G11B20/20 , G11B2020/1282 , G11B2020/1284 , G11B2220/90
摘要： A method and apparatus for providing error correction capability to longitudinal position data are disclosed. Initially, data are encoded via a set of even LPOS words and a set of odd LPOS words . The encoded data are then decoded by generating a set of syndrome bits for each of the LPOS words. A determination is then made as to whether or not there is an error within one of the LPOS words based on its corresponding syndrome bits.
摘要翻译：公开了一种向纵向位置数据提供纠错能力的方法和装置。最初，通过一组偶数LPOS字和一组奇数LPOS字对数据进行编码。然后通过为每个LPOS字生成一组校正子位来解码编码数据。然后，基于其对应的校正子位确定是否存在LPOS字之一内的错误。

5. 发明申请

WO2008028768A1 STORING EEDKS TO TAPE OUTSIDE OF USER DATA AREA 审中-公开
标题翻译：存储用户数据区外的屏幕
公开(公告)号：WO2008028768A1
公开(公告)日：2008-03-13
申请号：PCT/EP2007/058433
申请日：2007-08-15
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , JAQUETTE, Glen, Alan , GRECO, Paul, Merrill
发明人： JAQUETTE, Glen, Alan , GRECO, Paul, Merrill
IPC分类号： G06F21/02
CPC分类号： G06F21/80
摘要： A method, system and program are provided for enabling access to encrypted data in a storage cartridge by wrapping the data key used to encrypt the data with one or more encryption keys (e.g., a public key from a public/private key pair) to form one or more encryption encapsulated data keys (EEDKs) and then storing the EEDK(s) on the storage cartridge along with the encrypted data in one or more location that are distinct from the encrypted data. The encrypted data may be decoded by retrieving the EEDK from the storage cartridge, decrypting the EEDK with a decryption key (e.g., the private key from the public/private key pair) to extract the underlying data key, and then using the extracted data key to decrypt the encrypted data. By storing the EEDKs separately from the encrypted data, the EEDKs may be updated independently of the corresponding encrypted data.
摘要翻译：提供了一种方法，系统和程序，用于通过用一个或多个加密密钥（例如，公共/私人密钥对的公共密钥）包裹用于加密数据的数据密钥来使得能够访问存储盒中的加密数据，以形成一个或多个加密封装数据密钥（EEDK），然后将EEDK与加密数据一起存储在与加密数据不同的一个或多个位置中。可以通过从存储盒检索EEDK来解密加密数据，使用解密密钥（例如，公/私钥对中的私钥）解密EEDK以提取底层数据密钥，然后使用提取的数据密钥解密加密数据。通过将EEDK与加密数据分开存储，EEDK可以独立于对应的加密数据进行更新。

6. 发明申请

WO2008028824A1 APPARATUS AND METHOD SUPPORTING INTEROPERABILITY OF AN ENCRYPTING STORAGE DEVICE WITH ENCRYPTION-UNAWARE APPLICATION PROGRAMS BY MEANS OF A DEVICE DRIVER COMMUNICATION TO A KEY MANAGER 审中-公开
标题翻译：装置和方法通过设备驱动程序通信给主要经理，支持加密存储设备与加密应用程序的互操作性
公开(公告)号：WO2008028824A1
公开(公告)日：2008-03-13
申请号：PCT/EP2007/058786
申请日：2007-08-23
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , GRECO, Paul, Merrill , JAQUETTE, Glen, Alan
发明人： GRECO, Paul, Merrill , JAQUETTE, Glen, Alan
IPC分类号： G06F21/00 , G06F3/00
CPC分类号： G06F3/0646 , G06F3/0623 , G06F3/0682 , G06F21/6281 , G06F21/80
摘要： A tape system is provided with an encryption capable tape drive and an encryption enabled tape drive device driver for the encryption capable tape drive. The encryption enabled tape drive device driver functions as a proxy which connects the encryption capable tape drive to a key manager which serves keys to the tape drive. When the encryption capable device driver causes a command to be sent to the drive, the tape drive is configured to respond with a message that is intended for a key manager such as an External Key Manager (EKM). The encryption capable device driver recognizes that this is a message intended for the EKM and forwards that message to the EKM (e.g., via an Internet Protocol (IP) connection). The EKM then responds to the key request by issuing a new key (for a new cartridge which is to be written from beginning of tape (BOT)) or an existing key (for a cartridge which needs to be read). The device driver connects all EKM responses to the encryption capable tape drive and the EKM from which the encryption capable tape drive obtains its keys.
摘要翻译：磁带系统提供有加密功能的磁带驱动器和用于加密功能的磁带驱动器的加密启用磁带驱动器设备驱动程序。启用加密的磁带驱动器设备驱动程序用作将加密功能的磁带驱动器连接到向磁带驱动器提供密钥的密钥管理器的代理。当具有加密能力的设备驱动程序导致将命令发送到驱动器时，磁带驱动器被配置为使用旨在用于诸如外部密钥管理器（EKM）的密钥管理器的消息。加密功能的设备驱动程序识别出这是用于EKM的消息，并将该消息转发到EKM（例如，经由因特网协议（IP）连接）。然后，EKM通过发出新的密钥（对于要从磁带开始写入的新墨盒（BOT））或现有密钥（对于需要读取的墨盒）来响应密钥请求。设备驱动程序将所有EKM响应连接到加密功能的磁带驱动器和可加密的磁带驱动器从其获得其密钥的EKM。

7. 发明申请

WO2004107158A2 MAGNETIC TAPE DATA STORAGE SYSTEM BUFFER MANAGEMENT 审中-公开
标题翻译：磁带数据存储系统缓冲器管理
公开(公告)号：WO2004107158A2
公开(公告)日：2004-12-09
申请号：PCT/EP2004/050771
申请日：2004-05-18
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , DAHMAN, Kirby, Grant , GRECO, Paul, Merrill , JAQUETTE, Glen, Alan
发明人： DAHMAN, Kirby, Grant , GRECO, Paul, Merrill , JAQUETTE, Glen, Alan
IPC分类号： G06F3/06
CPC分类号： G06F3/0682 , G06F3/0613 , G06F3/0656 , G11B5/00813 , G11B20/10527 , G11B2020/10703
摘要： A sequential buffer for a magnetic tape data storage system comprises a plurality of segments. A buffer management system buffers data in the sequential buffer, conducting a data transfer process. Subsequently, some of the buffered data is maintained in some, but less than all, the segments of the buffer. Additionally, the maintained buffered data is indicated as VALID data. Thus, a subsequent process may be conducted directly using the data maintained in the buffer, and avoids moving the tape to reread the data.
摘要翻译：用于磁带数据存储系统的顺序缓冲器包括多个段。缓冲器管理系统缓冲顺序缓冲器中的数据，进行数据传输过程。随后，一些缓冲的数据被保持在缓冲器的一些但是小于全部的段中。另外，维护的缓冲数据被指示为VALID数据。因此，可以使用缓冲器中保存的数据直接进行后续处理，并且避免移动磁带以重新读取数据。

8. 发明申请

WO2012041603A1 MANAGING OWNERSHIP OF REDUNDANT DATA IN STORAGE SYSTEM 审中-公开
标题翻译：管理存储系统中冗余数据的所有权
公开(公告)号：WO2012041603A1
公开(公告)日：2012-04-05
申请号：PCT/EP2011/064282
申请日：2011-08-19
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , JAQUETTE, Glen, Alan
发明人： JAQUETTE, Glen, Alan
IPC分类号： G06F3/06 , G06F21/00
CPC分类号： G06F3/0649 , G06F3/0611 , G06F3/0622 , G06F3/0685 , H04N21/2182
摘要： A storage system includes a first storage tier; a second storage tier; logic for storing instances of a file in the first storage tier and the second storage tier; logic for receiving a request to access the file or instance thereof from a user in a group of users; logic for providing the user requesting access to the file with remote access to an instance of the file on the first storage tier that is not being used by any other user in the group of users; logic for setting an ownership status of the instance of the file on the first storage tier to owned by the user requesting access to the file; and logic for setting an ownership status of an unused instance of the file on the second storage tier from owned by the user requesting access to the file to unowned or owned by a second user which previously owned the instance of the file on the first storage tier.
摘要翻译：存储系统包括第一存储层; 第二存储层; 在第一存储层和第二存储层中存储文件的实例的逻辑; 用于从一组用户中的用户接收访问所述文件或其实例的请求的逻辑; 提供用户请求访问所述文件的逻辑，所述文件远程访问所述第一存储层上的所述文件的实例，所述文件的所述实例未被所述用户组中的任何其他用户使用; 将用于请求访问该文件的用户拥有的第一存储层上的文件的实例的所有权状态设置为逻辑; 以及逻辑，用于设置所述第二存储层上的所述文件的未使用实例的所有权状态，所述第二存储层的所述未使用实例从所述用户所拥有的请求对所述文件的访问，以由先前拥有所述文件的所述第一存储层。

9. 发明申请

WO2008028766A1 DISTRIBUTED KEY STORE 审中-公开
标题翻译：分销商店
公开(公告)号：WO2008028766A1
公开(公告)日：2008-03-13
申请号：PCT/EP2007/058430
申请日：2007-08-15
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , JAQUETTE, Glen, Alan , GRECO, Paul, Merrill , HALEVI, Shai , RHOTEN, Wayne, Erwin
发明人： JAQUETTE, Glen, Alan , GRECO, Paul, Merrill , HALEVI, Shai , RHOTEN, Wayne, Erwin
IPC分类号： G06F21/02
CPC分类号： G06F21/80 , G06F2221/2121
摘要： A method, system and program are provided for enabling access to encrypted data in a storage cartridge by wrapping the data key used to encrypt the data with one or more encryption keys (e.g., a public key from a public/private key pair) to form one or more encryption encapsulated data keys (EEDKs) and then storing the EEDK(s) on the storage cartridge along with the encrypted data. The encrypted data may be decoded by retrieving the EEDK from the storage cartridge, decrypting the EEDK with a decryption key (e.g., the private key from the public/private key pair) to extract the underlying data key, and then using the extracted data key to decrypt the encrypted data.
摘要翻译：提供了一种方法，系统和程序，用于通过用一个或多个加密密钥（例如，公共/私人密钥对的公共密钥）包裹用于加密数据的数据密钥来使得能够访问存储盒中的加密数据，以形成一个或多个加密封装数据密钥（EEDK），然后将EEDK与加密数据一起存储在存储盒上。可以通过从存储盒检索EEDK来解密加密数据，使用解密密钥（例如，公/私钥对中的私钥）解密EEDK以提取底层数据密钥，然后使用提取的数据密钥解密加密数据。

10. 发明申请

WO2008132197A1 USE OF INDIRECT DATA KEYS FOR ENCRYPTED TAPE CARTRIDGES 审中-公开
标题翻译：使用加密胶卷盒的间接数据键
公开(公告)号：WO2008132197A1
公开(公告)日：2008-11-06
申请号：PCT/EP2008/055146
申请日：2008-04-28
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , GRECO, Paul, Merrill , HALEVI, Shai , JAQUETTE, Glen, Alan
发明人： GRECO, Paul, Merrill , HALEVI, Shai , JAQUETTE, Glen, Alan
IPC分类号： G11B20/00 , G06F21/00
CPC分类号： G11B20/00086 , G06F21/80 , G11B20/0021 , G11B20/00224 , G11B20/00333 , G11B2220/90
摘要： A method, system and program for enabling selective access to multiple users'encrypted data in a single storage cartridge. A unique, derived key is generated for each user's data by performing cryptographic operations on a combination of common base key and metadata related to the data to be encrypted (e.g. its total block count). The base data key is wrapped with one or more encryption keys to form one or more encryption encapsulated data keys (EEDKs). The base key and the derived key are wrapped to create a session encrypted data key (SEDK), which along with the EEDKs, are conveyed to the tape drive, where the SEDK is decrypted. The EEDKs are stored in one or more places on the storage cartridge. The base key and the derived key are used to encrypt a predetermined user's data, with the derived key stored on the cartridge with the encrypted data.
摘要翻译：一种用于在单个存储盒中选择性地访问多个用户的加密数据的方法，系统和程序。通过对与要加密的数据相关的公共基本密钥和元数据的组合（例如，其总块计数）执行加密操作，为每个用户的数据生成唯一的派生密钥。基本数据密钥用一个或多个加密密钥包裹以形成一个或多个加密封装数据密钥（EEDK）。基础密钥和派生密钥被包装以创建会话加密数据密钥（SEDK），其与EEDK一起被传送到SEDK被解密的磁带驱动器。 EEDK存储在存储盒上的一个或多个位置。基本密钥和派生密钥用于加密预定用户的数据，导出的密钥存储在盒上，并加密数据。

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