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    METHODS AND APPARATUS FOR OPTIMAL JOURNALING FOR CONTINUOUS DATA REPLICATION
    1.
    发明申请
    METHODS AND APPARATUS FOR OPTIMAL JOURNALING FOR CONTINUOUS DATA REPLICATION 有权
    用于连续数据复制的最佳方法的方法和装置

    公开(公告)号：US20080082592A1

    公开(公告)日：2008-04-03

    申请号：US11536233

    申请日：2006-09-28

    申请人： Shlomo Ahal ,  Assaf Natanzon ,  Tzach Sechner ,  Oded Kedem ,  Evgeny Drukh

    发明人： Shlomo Ahal ,  Assaf Natanzon ,  Tzach Sechner ,  Oded Kedem ,  Evgeny Drukh

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30575 ,  G06F11/2066 ,  G06F11/2069 ,  G06F11/2074 ,  G06F2201/855 ,  Y10S707/99953

    摘要： Methods and systems for continuous data replication, including receiving a write transaction from a production site, the write transaction including raw data (RWNEW), a size indicator (SZ1) for the size of the raw data, and a start address (ADD1) for writing the raw data, copying the raw data (RWNEW) into a first journal data stream at a current journal address (JADD1), and copying the size indicator (SZ1), the start address (ADD1) and the journal address (JADD1) into a first journal meta-data stream.

    摘要翻译： 用于连续数据复制的方法和系统，包括从生产站点接收写入事务，所述写入事务包括原始数据（RWNEW），用于原始数据的大小的大小指示符（SZ 1）和起始地址（ADD 1 ），用于写入原始数据，将原始数据（RWNEW）复制到当前日志地址（JADD 1）的第一日志数据流中，并复制大小指示符（SZ 1），起始地址（ADD 1）和日志 地址（JADD 1）转换成第一个日志元数据流。

    METHODS AND APPARATUS FOR MULTIPLE POINT IN TIME DATA ACCESS
    2.
    发明申请
    METHODS AND APPARATUS FOR MULTIPLE POINT IN TIME DATA ACCESS 有权
    时间数据访问中多点的方法和设备

    公开(公告)号：US20070266053A1

    公开(公告)日：2007-11-15

    申请号：US11609561

    申请日：2006-12-12

    申请人： Shlomo Ahal ,  Oded Kedem ,  Assaf Natanzon

    发明人： Shlomo Ahal ,  Oded Kedem ,  Assaf Natanzon

    IPC分类号： G06F17/30

    CPC分类号： H04L67/1097 ,  G06F11/1471 ,  G06F11/2071 ,  G06F2201/855

    摘要： Method and apparatus for data access, including for a host device designated as Device A within a host computer, the host device corresponding to a first logical storage unit designated as LUN A, where LUN A is configured to access data directly from a physical storage system, assigning a second logical storage unit, designated as LUN X, wherein LUN X is configured to access the storage system indirectly via a data protection computer, providing the data protection computer access to a data structure that is able to recover data that was stored in the storage system at an earlier point in time, TI, and in response to a request from the host computer for data that was stored in the storage system at time TI, switching Device A to get its data from LUN X instead of from LUN A. A data access system and a computer-readable storage medium are also described and claimed.

    摘要翻译： 用于数据访问的方法和装置，包括对于在主计算机内被指定为设备A的主机设备，主机设备对应于指定为LUN A的第一逻辑存储单元，其中，LUN A被配置为直接从物理存储系统 ，分配指定为LUN X的第二逻辑存储单元，其中LUN X被配置为经由数据保护计算机间接地访问存储系统，提供数据保护计算机对能够恢复存储的数据的数据结构的访问 存储系统在较早的时间点，TI，并且响应于来自主机的对TI存储在存储系统中的数据的请求，切换设备A以从LUN X而不是从LUN A获取其数据 还描述和要求保护数据访问系统和计算机可读存储介质。

    Methods and apparatus for optimal journaling for continuous data replication
    4.
    发明授权
    Methods and apparatus for optimal journaling for continuous data replication 有权
    用于连续数据复制的最佳日志的方法和设备

    公开(公告)号：US07516287B2

    公开(公告)日：2009-04-07

    申请号：US11536215

    申请日：2006-09-28

    申请人： Shlomo Ahal ,  Assaf Natanzon ,  Tzach Sechner ,  Oded Kedem ,  Evgeny Drukh

    发明人： Shlomo Ahal ,  Assaf Natanzon ,  Tzach Sechner ,  Oded Kedem ,  Evgeny Drukh

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2074 ,  G06F11/1471 ,  G06F11/1474 ,  G06F11/2035 ,  G06F11/2038 ,  G06F11/2048

    摘要： Methods and systems for continuous data replication, including receiving a write transaction from a production site, the write transaction including raw data (RWNEW), a size indicator (SZ1) for the size of the raw data, and a start address (ADD1) for writing the raw data, copying the raw data (RWNEW) into a first journal data stream at a current journal address (JADD1), and copying the size indicator (SZ1), the start address (ADD1) and the journal address (JADD1) into a first journal meta-data stream.

    摘要翻译： 用于连续数据复制的方法和系统，包括从生产站点接收写入事务，所述写入事务包括原始数据（RWNEW），用于原始数据的大小的大小指示符（SZ1）和开始地址（ADD1），用于 编写原始数据，将原始数据（RWNEW）复制到当前日志地址（JADD1）的第一个日志数据流中，并将大小指示符（SZ1），起始地址（ADD1）和日志地址（JADD1）复制到 第一个杂志元数据流。

    Methods and apparatus for multiple point in time data access
    5.
    发明授权
    Methods and apparatus for multiple point in time data access 有权
    多点时间数据访问的方法和装置

    公开(公告)号：US07849361B2

    公开(公告)日：2010-12-07

    申请号：US11609561

    申请日：2006-12-12

    申请人： Shlomo Ahal ,  Oded Kedem ,  Assaf Natanzon

    发明人： Shlomo Ahal ,  Oded Kedem ,  Assaf Natanzon

    IPC分类号： G06F11/00

    CPC分类号： H04L67/1097 ,  G06F11/1471 ,  G06F11/2071 ,  G06F2201/855

    摘要： Method and apparatus for data access, including for a host device designated as Device A within a host computer, the host device corresponding to a first logical storage unit designated as LUN A, where LUN A is configured to access data directly from a physical storage system, assigning a second logical storage unit, designated as LUN X, wherein LUN X is configured to access the storage system indirectly via a data protection computer, providing the data protection computer access to a data structure that is able to recover data that was stored in the storage system at an earlier point in time, T1, and in response to a request from the host computer for data that was stored in the storage system at time T1, switching Device A to get its data from LUN X instead of from LUN A. A data access system and a computer-readable storage medium are also described and claimed.

    摘要翻译： 用于数据访问的方法和装置，包括对于在主计算机内被指定为设备A的主机设备，主机设备对应于指定为LUN A的第一逻辑存储单元，其中，LUN A被配置为直接从物理存储系统 ，分配指定为LUN X的第二逻辑存储单元，其中LUN X被配置为经由数据保护计算机间接地访问存储系统，提供数据保护计算机对能够恢复存储的数据的数据结构的访问 存储系统在较早的时间点T1，并且响应于来自主计算机对在时间T1存储在存储系统中的数据的请求，切换设备A以从LUN X而不是从LUN A获取其数据 还描述和要求保护数据访问系统和计算机可读存储介质。

    Cross tagging of data for consistent recovery
    8.
    发明申请
    Cross tagging of data for consistent recovery 有权
    交叉标记数据，以实现一致的恢复

    公开(公告)号：US20070220311A1

    公开(公告)日：2007-09-20

    申请号：US11356920

    申请日：2006-02-17

    申请人： Michael Lewin ,  Yair Heller ,  Ziv Kedem ,  Shlomo Ahal ,  Assaf Natanzon ,  Evgeny Drukh

    发明人： Michael Lewin ,  Yair Heller ,  Ziv Kedem ,  Shlomo Ahal ,  Assaf Natanzon ,  Evgeny Drukh

    IPC分类号： G06F11/00

    CPC分类号： G06F11/1469 ,  G06F11/1471 ,  G06F11/1474 ,  G06F11/2064 ,  G06F11/2082 ,  G06F2201/82 ,  G06F2201/84

    摘要： A system for consistent data recovery, including a storage area network (SAN) of initiator nodes and target nodes, wherein initiator nodes issue I/O requests and target nodes respond to I/O requests, the SAN being represented logically as a plurality of consistency groups of nodes, G1, . . . , Gn, each consistency group representing at least one logical storage unit (LU), each LU acting as a target node within the SAN, at least one host device, each host device acting as an initiator within the SAN, each host device including a transmitter for issuing I/O requests to at least one LU, and each host device being associated with a host device agent, the host device agent including an interceptor for intercepting I/O requests issued by the host device, and a router for forwarding the intercepted I/O requests to a data protection appliance, a data protection appliance (DPA) acting as both an initiator node and a target node within the SAN.

    摘要翻译： 一种用于一致的数据恢复的系统，包括发起者节点和目标节点的存储区域网络（SAN），其中发起者节点发出I / O请求和目标节点响应I / O请求，SAN被逻辑地表示为多个一致性 节点组，G 1，。 。 。 ，Gn，每个一致性组表示至少一个逻辑存储单元（LU），每个LU用作SAN内的目标节点，至少一个主机设备，每个主机设备充当SAN内的发起者，每个主机设备包括 发送器，用于向至少一个LU发出I / O请求，并且每个主机设备与主机设备代理相关联，所述主机设备代理包括用于拦截主机设备发出的I / O请求的拦截器，以及用于转发 截取到数据保护设备的I / O请求，作为SAN内的启动器节点和目标节点的数据保护设备（DPA）。

    Offloading encryption processing in a storage area network
    9.
    发明授权
    Offloading encryption processing in a storage area network 有权
    卸载存储区域网络中的加密处理

    公开(公告)号：US08041940B1

    公开(公告)日：2011-10-18

    申请号：US11964228

    申请日：2007-12-26

    申请人： Assaf Natanzon ,  Shlomo Ahal

    发明人： Assaf Natanzon ,  Shlomo Ahal

    IPC分类号： H04L29/06

    CPC分类号： H04L63/0485

    摘要： In one aspect, a method to offload encryption processing in a storage area network (SAN) system includes determining whether a host is performing at a first performance level, offloading encryption processing at a processor if the host is not performing at a first performance level and performing encryption processing at the host if the host is performing at a first performance level.

    摘要翻译： 一方面，一种在存储区域网络（SAN）系统中卸载加密处理的方法包括：如果主机在第一性能级别不执行，则确定主机是否以第一性能级别执行，在处理器中卸载加密处理;以及 如果主机在第一性能级别执行，则在主机执行加密处理。