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    • 2. 发明授权
    • Switching between copy mode and synchronous RDF mode
    • 在复制模式和同步RDF模式之间切换
    • US07257653B1
    • 2007-08-14
    • US10673853
    • 2003-09-29
    • Marik MarshakMark HalsteadGilad Sade
    • Marik MarshakMark HalsteadGilad Sade
    • G06F13/10G06F12/00
    • G06F11/2071G06F11/2074G06F11/2076
    • Transferring data from a local storage device to a remote storage device includes providing, to a portion of the local storage device, data to be transferred from the local storage device to the remote storage device using a first mode that accesses an indicator of data being transferred, selecting a second mode for transferring data different from the first mode, where the second mode does not require the indicator, subdividing the portion of the local storage device into chunks, for each of the chunks, transferring the data, and, after all of the data from the chunks has been transferred, using the second mode for transferring data that is provided to the local storage device after selecting the second mode. Transferring data from a local storage device to a remote storage device may also include, prior to all of the data from the chunks being transferred, using a transition mode different from the first and second modes to transfer data that is provided to the local storage device after selecting the second mode, where the transition mode does not require the indicator.
    • 将数据从本地存储设备传送到远程存储设备包括:使用访问要传送的数据的指示符的第一模式向本地存储设备的一部分提供要从本地存储设备传送到远程存储设备的数据 ,选择用于传送与第一模式不同的数据的第二模式,其中第二模式不需要指示符,将本地存储设备的部分细分成块,对于每个块,传送数据,并且在所有 在选择第二模式之后,使用用于传送提供给本地存储设备的数据的第二模式已经传送了来自块的数据。 将数据从本地存储设备传送到远程存储设备还可以包括在使用不同于第一和第二模式的转换模式之前,传送来自块的所有数据之前,传送提供给本地存储设备的数据 在选择第二模式之后,转换模式不需要指示器。
    • 5. 发明申请
    • Handling data writes copied from a remote data storage device
    • 处理从远程数据存储设备复制的数据写入
    • US20070038841A1
    • 2007-02-15
    • US11503333
    • 2006-08-11
    • Vadim LonginovBenjamin YoderMark HalsteadDavid Meiri
    • Vadim LonginovBenjamin YoderMark HalsteadDavid Meiri
    • G06F12/00
    • G06F11/2064G06F11/2071G06F11/2074G06F11/2082G06F12/0804G06F12/0866G06F12/0868G06F12/0871G06F2201/82G06F2212/284
    • Handling ordered writes to a data storage device includes receiving a first chunk of data into slots of a cache of the data storage device and using a hash table to provide a correlation between cache slots containing data from the first chunk of data and locations of a logical storage device of the data storage device. Handling ordered writes may also include maintaining a circularly linked list of pointers to cache slots containing the first chunk of data. Handling ordered writes may also include receiving a second chunk of data into slots of the cache of the data storage device and receiving a message indicating that all data corresponding to the first chunk of data has been transferred to the data storage device. Handling ordered writes may also include, in response to receiving the message, storing data from the first chunk on to the logical storage device. Handling ordered writes may also include using a hash table to provide a correlation between cache slots containing data from the second chunk of data and locations of a logical storage device of the data storage device.
    • 处理对数据存储设备的有序写入包括将第一块数据接收到数据存储设备的高速缓存的时隙中,并且使用散列表来提供包含来自第一数据块和逻辑的位置的数据的高速缓存时隙之间的相关性 存储设备的数据存储设备。 处理有序写入还可以包括将包含第一数据块的缓存槽的指针的循环链接列表保持。 处理有序的写入还可以包括将第二块数据接收到数据存储设备的高速缓存的时隙中,并且接收指示对应于第一块数据的所有数据已被传送到数据存储设备的消息。 处理有序写入还可以包括响应于接收到消息,将来自第一块的数据存储到逻辑存储设备。 处理有序写入还可以包括使用哈希表来提供包含来自第二数据块的数据的高速缓存时隙与数据存储设备的逻辑存储设备的位置之间的相关性。
    • 10. 发明申请
    • Determining configuration data in connection with dynamic RDF
    • 确定与动态RDF相关的配置数据
    • US20050091463A1
    • 2005-04-28
    • US10995810
    • 2004-11-23
    • Mark HalsteadDan ArnonDavid Meiri
    • Mark HalsteadDan ArnonDavid Meiri
    • G06F3/06G06F11/20H04L12/56G06F12/00
    • G06F11/1666G06F3/0601G06F11/20G06F11/2069G06F2003/0697H04L12/56Y10S707/99952Y10S707/99953
    • Dynamically creating a communication path between first and second storage devices, includes creating a connection to a source volume on the first storage device and indicating that the source volume is not ready to transmit data on the communication path, after successfully creating the connection to the source volume, creating a connection to a destination volume on the second storage device and initially indicating that portions of one of: the destination volume and the source volume do not contain valid copies of data, where the destination volume accepts data from the source volume, and after successfully creating the connections to the source and destination volumes, indicating that the source volume is ready to transmit data on the communication path. Dynamically creating a communication path between first and second storage devices, may also include creating at least one of: the source volume and the destination volume. Creating the connection to the source volume may include modifying a table containing configuration information for the first storage device. Creating the connection to the destination volume may include modifying a table containing configuration information for the second storage device.
    • 在第一和第二存储设备之间动态地创建通信路径,包括在成功创建到源的连接之后创建到第一存储设备上的源卷的连接并且指示源卷未准备好在通信路径上传输数据 创建与第二存储设备上的目的地卷的连接,并且最初指示目的卷和源卷之一的部分不包含数据的有效副本,其中目的地卷接收来自源卷的数据,以及 在成功创建到源卷和目标卷的连接后,指示源卷准备好在通信路径上传输数据。 在第一和第二存储设备之间动态地创建通信路径还可以包括创建源卷和目的地卷中的至少一个。 创建与源卷的连接可能包括修改包含第一个存储设备的配置信息的表。 创建到目标卷的连接可能包括修改包含第二个存储设备的配置信息的表。