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1. 发明授权

US06173377B2 Remote data mirroring 失效
标题翻译：远程数据镜像
公开(公告)号：US06173377B2
公开(公告)日：2001-01-09
申请号：US09061708
申请日：1998-04-17
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D. C Castel , Gadi G Shklarsky , Yuval Ofek
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D. C Castel , Gadi G Shklarsky , Yuval Ofek
IPC分类号： G06F1216
CPC分类号： G06F11/2071 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F2003/0697 , G11B20/1217 , H04L29/06 , H04L67/1095 , H04L69/26 , H04L69/40 , Y10S707/99942
摘要： Two data storage systems are interconnected by a data link for remote mirroring of data. Each volume of data is configured as local, primary in a remotely mirrored volume pair, or secondary in a remotely mirrored volume pair. Normally, a host computer directly accesses either a local or a primary volume, and data written to a primary volume is automatically sent over the link to a corresponding secondary volume. Each remotely mirrored volume pair can operate in a selected synchronization mode including synchronous, semi-synchronous, adaptive copy-remote write pending, and adaptive copy-disk. Direct write access to a secondary volume is denied if a “sync required” attribute is set for the volume and the volume is not synchronized. If a “volume domino” mode is enabled for a remotely mirrored volume pair, access to a volume of the pair is denied when the other volume is inaccessible. In a “links domino” mode, access to all remotely mirrored volumes is denied when remote mirroring is disrupted by an all-links failure. The domino modes can be used to initiate application-based recovery, for example, recovering a secondary data file using a secondary log file. In an active migration mode, host processing of a primary volume is concurrent with migration to a secondary volume. In an overwrite cache mode, remote write-pending data in cache can be overwritten. Write data for an entire host channel command word chain is bundled in one link transmission.
摘要翻译：两个数据存储系统通过用于数据远程镜像的数据链路相互连接。每卷数据被配置为本地，主要在远程镜像卷对中，或辅助在远程镜像卷对中。通常，主机直接访问本地或主卷，并且写入主卷的数据将通过链接自动发送到相应的辅助卷。每个远程镜像卷对可以在所选择的同步模式中操作，包括同步，半同步，自适应复制远程写入挂起和自适应复制盘。如果为卷设置了“需要同步”属性，并且卷未同步，则对副卷的直接写入访问被拒绝。如果对远程镜像卷对启用“体积多米诺骨牌”模式，则在其他卷无法访问时，对该卷的访问将被拒绝。在“连接多米诺骨牌”模式下，当远程镜像被全连接故障中断时，对所有远程镜像卷的访问被拒绝。多米诺骨牌模式可用于启动基于应用程序的恢复，例如，使用辅助日志文件恢复辅助数据文件。在主动迁移模式下，主卷的主机处理与迁移到辅助卷并发。在覆盖缓存模式下，高速缓存中的远程写挂起数据可以被覆盖。整个主机通道命令字链的写入数据捆绑在一个链路传输中。

2. 发明授权

US07073090B2 Remote data mirroring system having a remote link adapter 有权
公开(公告)号：US07073090B2
公开(公告)日：2006-07-04
申请号：US10224195
申请日：2002-08-20
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D C Castel , Gadi G. Shklarsky
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D C Castel , Gadi G. Shklarsky
IPC分类号： G06F11/00
CPC分类号： G06F11/2071 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F2003/0697 , G11B20/1217 , H04L29/06 , H04L67/1095 , H04L69/26 , H04L69/40 , Y10S707/99942
摘要： A primary data storage system is linked to a geographically remote secondary data storage system for automatically maintaining a remote copy of the data in the primary storage. The primary data storage system has a primary cache memory, and the secondary data storage system has a secondary cache memory. The primary data storage system controller has a first remote link adapter coupled between the primary cache memory and the communications link for transferring the data to the communications link. The secondary data storage system controller has a second remote link adapter coupled between the communications link and the secondary cache memory for transferring the data from the communications link to the secondary cache memory. In this fashion, the first remote link adapter and the second remote link adapter automatically transfer the data to the secondary cache memory for writing of the data into the secondary data storage.

3. 发明授权

US06647474B2 Remote data mirroring system using local and remote write pending indicators 有权
标题翻译：使用本地和远程写入挂起指示器的远程数据镜像系统
公开(公告)号：US06647474B2
公开(公告)日：2003-11-11
申请号：US10224138
申请日：2002-08-20
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D. C. Castel , Gadi G. Shklarsky
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D. C. Castel , Gadi G. Shklarsky
IPC分类号： G06F1216
CPC分类号： G06F11/2071 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F2003/0697 , G11B20/1217 , H04L29/06 , H04L67/1095 , H04L69/26 , H04L69/40 , Y10S707/99942
摘要： A primary data storage system is linked to a geographically remote secondary data storage system for automatically maintaining a remote copy of the data in the primary storage. The primary data storage system controller uses write pending indicators to control and coordinate the remote copy process. In response to receipt of data from the host computer, a first write pending indicator is set to write the data into at least one primary data storage device, and a second write pending indicator is set to copy the data to the secondary data storage system controller. The first write pending indicator is reset after the data is written to the primary data storage device, and the second write pending indicator is reset after receiving an acknowledgement back from the secondary data storage system controller.
摘要翻译：主数据存储系统链接到地理上远程的辅助数据存储系统，用于自动维护主存储器中的数据的远程副本。主数据存储系统控制器使用写挂起指示器来控制和协调远程复制过程。响应于从主计算机接收到数据，设置第一写入挂起指示符以将数据写入至少一个主数据存储装置，并且设置第二写挂起指示符以将数据复制到次数据存储系统控制器。在将数据写入主数据存储设备之后，第一写入挂起指示器被重置，并且在从辅助数据存储系统控制器接收到确认之后，第二写挂起指示器被重置。

4. 发明授权

US5742792A Remote data mirroring 失效
标题翻译：远程数据镜像
公开(公告)号：US5742792A
公开(公告)日：1998-04-21
申请号：US654511
申请日：1996-05-28
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D. C. Castel , Gadi G. Shklarsky , Yuval Y. O. Ofek
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D. C. Castel , Gadi G. Shklarsky , Yuval Y. O. Ofek
IPC分类号： G06F12/16 , G06F3/06 , G06F11/14 , G06F11/20 , G06F12/00 , G06F13/00 , G11B20/12 , H04L29/06
CPC分类号： G06F11/2071 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , H04L29/06 , H04L67/1095 , H04L69/40 , G06F2003/0697 , G11B20/1217 , H04L69/26 , Y10S707/99942
摘要： Two data storage systems are interconnected by a data link for remote mirroring of data. Each volume of data is configured as local, primary in a remotely mirrored volume pair, or secondary in a remotely mirrored volume pair. Normally, a host computer directly accesses either a local or a primary volume, and data written to a primary volume is automatically sent over the link to a corresponding secondary volume. Each remotely mirrored volume pair can operate in a selected synchronization mode including synchronous, semi-synchronous, adaptive copy - remote write pending, and adaptive copy - disk. Direct write access to a secondary volume is denied if a "sync required" attribute is set for the volume and the volume is not synchronized. If a "volume domino" mode is enabled for a remotely mirrored volume pair, access to a volume of the pair is denied when the other volume is inaccessible. In a "links domino" mode, access to all remotely mirrored volumes is denied when remote mirroring is disrupted by an all-links failure. The domino modes can be used to initiate application-based recovery, for example, recovering a secondary data file using a secondary log file. In an active migration mode, host processing of a primary volume is concurrent with migration to a secondary volume. In an overwrite cache mode, remote write-pending data in cache can be overwritten. Write data for an entire host channel command word chain is bundled in one link transmission.
摘要翻译：两个数据存储系统通过用于数据远程镜像的数据链路相互连接。每卷数据被配置为本地，主要在远程镜像卷对中，或辅助在远程镜像卷对中。通常，主机直接访问本地或主卷，并且写入主卷的数据将通过链接自动发送到相应的辅助卷。每个远程镜像卷对可以选择同步模式，包括同步，半同步，自适应复制 - 远程写入挂起和自适应复制盘。如果为卷设置了“需要同步”属性，并且卷未同步，则对副卷的直接写入访问被拒绝。如果对远程镜像卷对启用“体积多米诺骨牌”模式，则在其他卷无法访问时，对该卷的访问将被拒绝。在“连接多米诺骨牌”模式下，当远程镜像被全连接故障中断时，对所有远程镜像卷的访问被拒绝。多米诺骨牌模式可用于启动基于应用程序的恢复，例如，使用辅助日志文件恢复辅助数据文件。在主动迁移模式下，主卷的主机处理与迁移到辅助卷并发。在覆盖缓存模式下，高速缓存中的远程写挂起数据可以被覆盖。整个主机通道命令字链的写入数据捆绑在一个链路传输中。

5. 发明授权

US06625705B2 Remote data mirroring system having a service processor 有权
公开(公告)号：US06625705B2
公开(公告)日：2003-09-23
申请号：US10224211
申请日：2002-08-20
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D. C. Castel , Gadi G. Shklarsky
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel D. C. Castel , Gadi G. Shklarsky
IPC分类号： G06F1216
CPC分类号： G06F11/2071 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F2003/0697 , G11B20/1217 , H04L29/06 , H04L67/1095 , H04L69/26 , H04L69/40 , Y10S707/99942
摘要： A primary data storage system is linked to a geographically remote secondary data storage system for automatically maintaining a remote copy of the data in the primary storage. Each of the data storage systems has at least one data storage device, a cache memory, a data storage system controller, and a service processor for servicing the data storage system. The primary and secondary service processors are linked to permit remote system configuration and remote software programming of the secondary data storage system, and to exchange a report of all the non-valid, out of sync tracks. The service processors can also perform the task of scanning for remote write pending bits to invoke the remote copy task, and checking for invalid track bits to invoke a task for copying data from a known good storage device to the device with the invalid track bit set.

6. 发明授权

US07240238B2 Remote data mirroring 有权
标题翻译：远程数据镜像
公开(公告)号：US07240238B2
公开(公告)日：2007-07-03
申请号：US11213497
申请日：2005-08-26
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel , Gadi G Shklarsky , Yuval Ofek
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel , Gadi G Shklarsky , Yuval Ofek
IPC分类号： G06F11/00
CPC分类号： G06F11/2071 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F2003/0697 , G11B20/1217 , H04L29/06 , H04L67/1095 , H04L69/26 , H04L69/40 , Y10S707/99942
摘要： Two data storage systems are interconnected by a data link for remote mirroring of data. Each volume of data is configured as local, primary in a remotely mirrored volume pair, or secondary in a remotely mirrored volume pair. Normally, a host computer directly accesses either a local or a primary volume, and data written to a primary volume is automatically sent over the link to a corresponding secondary volume. Each remotely mirrored volume pair can operate in a selected synchronization mode including synchronous, semi-synchronous, adaptive copy-remote write pending, and adaptive copy-disk. Direct write access to a secondary volume is denied if a “sync required” attribute is set for the volume and the volume is not synchronized.
摘要翻译：两个数据存储系统通过用于数据远程镜像的数据链路相互连接。每卷数据被配置为本地，主要在远程镜像卷对中，或辅助在远程镜像卷对中。通常，主机直接访问本地或主卷，并且写入主卷的数据将通过链接自动发送到相应的辅助卷。每个远程镜像卷对可以在所选择的同步模式中操作，包括同步，半同步，自适应复制远程写入挂起和自适应复制盘。如果为卷设置了“需要同步”属性，并且卷未同步，则对副卷的直接写入访问被拒绝。

7. 发明申请

US20060005074A1 Remote data mirroring 有权
公开(公告)号：US20060005074A1
公开(公告)日：2006-01-05
申请号：US11213497
申请日：2005-08-26
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel , Gadi Shklarsky , Yuval Ofek
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel , Gadi Shklarsky , Yuval Ofek
IPC分类号： G06F11/00
CPC分类号： G06F11/2071 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F2003/0697 , G11B20/1217 , H04L29/06 , H04L67/1095 , H04L69/26 , H04L69/40 , Y10S707/99942
摘要： Two data storage systems are interconnected by a data link for remote mirroring of data. Each volume of data is configured as local, primary in a remotely mirrored volume pair, or secondary in a remotely mirrored volume pair. Normally, a host computer directly accesses either a local or a primary volume, and data written to a primary volume is automatically sent over the link to a corresponding secondary volume. Each remotely mirrored volume pair can operate in a selected synchronization mode including synchronous, semi-synchronous, adaptive copy-remote write pending, and adaptive copy-disk. Direct write access to a secondary volume is denied if a “sync required” attribute is set for the volume and the volume is not synchronized.

8. 发明授权

US06418509B1 System and method for disk mapping and data retrieval 有权
标题翻译：磁盘映射和数据检索的系统和方法
公开(公告)号：US06418509B1
公开(公告)日：2002-07-09
申请号：US09711212
申请日：2000-11-09
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel
IPC分类号： G06F1208
CPC分类号： G06F11/2071 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F2003/0697 , G11B20/1217 , H04L29/06 , H04L67/1095 , H04L69/26 , H04L69/40 , Y10S707/99942
摘要： An apparatus and method for disk mapping and data retrieval includes a data storage medium on which has been stored a plurality of data records. Each record includes at least a record identification portion, for uniquely identifying each record from among the plurality of data records. The apparatus builds a record locator table in high speed semiconductor memory which comprises the unique record identifiers for the records on the storage medium as well as a record locator index generated by the apparatus, which indicates the address of the data record on the storage medium. Data retrieval is facilitated by first searching the record locator table in high speed semiconductor memory for a requested data record. Utilizing the record locator index associated with the requested data record, the system directly H: accesses the requested data record on the storage medium thereby minimizing storage medium search time. Also disclosed is an apparatus and method for converting CKD formatted data records to FBA formatted disk drives and for building and compressing the “count” portion of the CKD data formatted record into a record locator table.
摘要翻译：用于盘映射和数据检索的装置和方法包括其上已经存储有多个数据记录的数据存储介质。每个记录至少包括记录识别部分，用于从多个数据记录中唯一地识别每个记录。该设备在高速半导体存储器中构建记录定位器表，其包括用于存储介质上的记录的唯一记录标识符以及由设备生成的记录定位符索引，其指示存储介质上的数据记录的地址。通过首先在高速半导体存储器中搜索用于所请求的数据记录的记录定位器表，便于数据检索。利用与所请求的数据记录相关联的记录定位符索引，系统直接H：访问存储介质上的所请求的数据记录，从而最小化存储介质搜索时间。还公开了一种用于将CKD格式化数据记录转换为FBA格式的磁盘驱动器并用于将CKD数据格式化记录的“计数”部分建立并压缩到记录定位器表中的装置和方法。

9. 发明授权

US5544347A Data storage system controlled remote data mirroring with respectively maintained data indices 失效
标题翻译：数据存储系统控制远程数据镜像，分别维护数据索引
公开(公告)号：US5544347A
公开(公告)日：1996-08-06
申请号：US052039
申请日：1993-04-23
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel , Gadi Shklarsky
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel , Gadi Shklarsky
IPC分类号： G06F12/16 , G06F3/06 , G06F11/14 , G06F11/20 , G06F12/00 , G06F13/00 , G11B20/12 , H04L29/06
CPC分类号： G06F11/2071 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , H04L29/06 , H04L67/1095 , H04L69/40 , G06F2003/0697 , G11B20/1217 , H04L69/26 , Y10S707/99942
摘要： A data storage system which automatically provides and maintains identical secondary data on a preferably geographically remote secondary data storage device. The system includes a primary host computer located in the first geographic location which is coupled to a primary data storage system also located in the first geographic location. The primary data storage system includes at least one primary data storage device on which primary data is to be stored, and a primary data storage system controller which receives data from the primary host computer and controls the storing of the primary data on the primary data storage device. The primary data storage controller is coupled by high speed communication link to a secondary data storage system controller of a secondary data storage system, and coordinates the copying of the primary data to the secondary data storing system, and is responsive to an acknowledgement from the secondary data storage system controller of at least successful receipt of the primary data for updating the maintained list of the primary data to indicate that the copied primary data has been received by the secondary data storage system to be copied to the secondary data storage device.
摘要翻译：数据存储系统，其在优选地理上远程的次级数据存储设备上自动提供并维护相同的辅助数据。该系统包括位于第一地理位置的主主计算机，其耦合到也位于第一地理位置的主数据存储系统。主数据存储系统包括要存储主数据的至少一个主数据存储装置，以及从主主计算机接收数据并控制主数据存储在主数据存储器上的主数据存储系统控制器设备。主要数据存储控制器通过高速通信链路耦合到辅助数据存储系统的辅助数据存储系统控制器，并将主要数据的复制协调到辅助数据存储系统，并且响应来自次级的确认数据存储系统控制器，至少成功接收用于更新主数据的维护列表的主数据，以指示复制的主数据已被辅助数据存储系统接收以被复制到辅数据存储设备。

10. 发明授权

US06185653B2 System and method for disk mapping and data retrieval 有权
标题翻译：磁盘映射和数据检索的系统和方法
公开(公告)号：US06185653B2
公开(公告)日：2001-02-06
申请号：US09305127
申请日：1999-05-04
申请人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel
发明人： Moshe Yanai , Natan Vishlitzky , Bruno Alterescu , Daniel Castel
IPC分类号： G06F1202
CPC分类号： G06F11/2071 , G06F3/0601 , G06F3/0608 , G06F3/061 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/0661 , G06F3/0689 , G06F11/2066 , G06F11/2074 , G06F11/2079 , G06F11/2082 , G06F2003/0697 , G11B20/1217 , H04L29/06 , H04L67/1095 , H04L69/26 , H04L69/40 , Y10S707/99942
摘要： An apparatus and method for disk mapping and data retrieval includes a data storage medium on which has been stored a plurality of data records. Each record includes at least a record identification portion, for uniquely identifying each record from among the plurality of data records. The apparatus builds a record locator table in high speed semiconductor memory which comprises the unique record identifiers for the records on the storage medium as well as a record locator index generated by the apparatus, which indicates the address of the data record on the storage medium. Data retrieval is facilitated by first searching the record locator table in high speed semiconductor memory for a requested data record. Utilizing the record locator index associated with the requested data record, the system directly accesses the requested data record on the storage medium thereby minimizing storage medium search time. Also disclosed is an apparatus and method for converting CKD formatted data records to FBA formatted disk drives and for building and compressing the “count” portion of the CKD data formatted record into a record locator table.
摘要翻译：用于盘映射和数据检索的装置和方法包括其上已经存储有多个数据记录的数据存储介质。每个记录至少包括记录识别部分，用于从多个数据记录中唯一地识别每个记录。该设备在高速半导体存储器中构建记录定位器表，其包括用于存储介质上的记录的唯一记录标识符以及由设备生成的记录定位符索引，其指示存储介质上的数据记录的地址。通过首先在高速半导体存储器中搜索用于所请求的数据记录的记录定位器表，便于数据检索。利用与请求的数据记录相关联的记录定位符索引，系统直接访问存储介质上的所请求的数据记录，从而最小化存储介质搜索时间。还公开了一种用于将CKD格式化数据记录转换为FBA格式的磁盘驱动器并用于将CKD数据格式化记录的“计数”部分建立并压缩到记录定位器表中的装置和方法。

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