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1. 发明申请

US20070156982A1 Continuous backup using a mirror device 审中-公开
标题翻译：使用镜像设备进行连续备份
公开(公告)号：US20070156982A1
公开(公告)日：2007-07-05
申请号：US11324747
申请日：2006-01-03
申请人： David Meiri , Magnus Bjornsson
发明人： David Meiri , Magnus Bjornsson
IPC分类号： G06F12/16
CPC分类号： G06F11/2064 , G06F11/1451 , G06F11/2074 , G06F12/0815 , G06F2201/855
摘要： Providing continuous backup of a storage device includes subdividing the storage device into subsections, providing a mirror device of the storage device that contains a copy of data that is on the storage device when the continuous backup is initiated, providing a time indicator that is modified periodically, and, in response to a request to write new data to a particular subsection of the storage device at a particular time, maintaining data being overwritten by the new data according to the particular subsection and according to a value of the indicator at the particular time, where, for a first write after the continuous backup is initiated, data from the mirror device is used to maintain data being overwritten. The subsections may be tracks. Maintaining the data being overwritten may include constructing a linked list of portions of data for each of the subsections. The portions of data may have variable sizes.
摘要翻译：提供存储设备的连续备份包括将存储设备细分为子部分，提供存储设备的反射镜设备，其在启动连续备份时包含存储设备上的数据副本，提供定期修改的时间指示符并且响应于在特定时间向存储设备的特定子部分写入新数据的请求，根据特定子部分保持数据被新数据覆盖，并且根据特定时间的指标值，其中，对于在连续备份启动之后的第一次写入，来自镜像设备的数据用于维护被覆盖的数据。小节可能是轨道。维护被覆盖的数据可以包括为每个子部分构建数据部分的链接列表。数据的部分可能具有可变大小。

2. 发明授权

US08046545B2 Continuous backup 有权
标题翻译：连续备份
公开(公告)号：US08046545B2
公开(公告)日：2011-10-25
申请号：US11324766
申请日：2006-01-03
申请人： David Meiri , Magnus Bjornsson
发明人： David Meiri , Magnus Bjornsson
IPC分类号： G06F12/00
CPC分类号： G06F11/2064 , G06F11/1451 , G06F11/2074 , G06F12/0815 , G06F2201/855
摘要： Providing continuous backup of a storage device includes subdividing the storage device into subsections, providing a time indicator that is modified periodically, and, in response to a request to write new data to a particular subsection of the storage device at a particular time, maintaining data being overwritten by the new data according to the particular subsection and according to a value of the indicator at the particular time. The subsections may be tracks. Maintaining the data being overwritten may include constructing a linked list of portions of data for each of the subsections. The portions of data may have variable sizes. In response to two data write operations to a particular subsection at a particular value of the indicator, data being written for each of the two data write operations may be combined if data for the second data write operation is a subset of data for the first data write operation. Providing continuous backup of a storage device may also include restoring the storage device to a state thereof at a particular point in time by writing the maintained data to the storage device. Writing the maintained data to the storage device may include constructing subsections of the data by combining separate portions thereof corresponding to the same subsection.
摘要翻译：提供存储设备的连续备份包括将存储设备细分为子部分，提供定期修改的时间指示符，并且响应于在特定时间向存储设备的特定子部分写入新数据的请求，维护数据被新数据根据特定小节覆盖，并根据特定时间的指标值。小节可能是轨道。维护被覆盖的数据可以包括为每个子部分构建数据部分的链接列表。数据的部分可能具有可变大小。响应于在指示符的特定值处对特定子部分的两个数据写入操作，如果用于第二数据写入操作的数据是用于第一数据的数据的子集，则可以组合用于两个数据写入操作中的每一个的数据写操作。提供存储设备的连续备份还可以包括通过将维护的数据写入存储设备来在特定时间点将存储设备恢复到其状态。将维护的数据写入存储设备可以包括通过组合对应于相同子部分的分开的部分来构建数据的子部分。

3. 发明授权

US09176677B1 Virtual provisioning space reservation 有权
标题翻译：虚拟配置空间预留
公开(公告)号：US09176677B1
公开(公告)日：2015-11-03
申请号：US12924474
申请日：2010-09-28
申请人： Igor Fradkin , Alex Veprinsky , John Fitzgerald , Magnus Bjornsson
发明人： Igor Fradkin , Alex Veprinsky , John Fitzgerald , Magnus Bjornsson
IPC分类号： G06F3/00 , G06F3/06
CPC分类号： G06F3/0631 , G06F3/0608 , G06F3/0644 , G06F3/0665 , G06F3/0683 , H04L41/5054 , H04L67/1097
摘要： Guaranteeing space availability for thin devices includes reserving space without committing, or fully pre-allocating, the space to specific thin device ranges. Space may be held in reserve for a particular set of thin devices and consumed as needed by those thin devices. The system guards user-critical devices from running out of space, for example due to a “rogue device” scenario in which one device allocates an excessive amount of space. The system uses a reservation entity, to which a thin device may subscribe, which reserves space for the thin device without allocating that space before it is need to service an I/O request.
摘要翻译：确保薄型设备的空间可用性包括预留空间，无需提交或完全预分配给特定的薄设备范围的空间。空间可以保留一些特定的薄设备，并根据需要消耗这些薄的设备。该系统防止用户关键设备运行的空间不足，例如由于一个设备分配了过多的空间的“流氓设备”场景。该系统使用一个预订实体，薄设备可以订阅该预留实体，该预留实体在需要为I / O请求提供服务之前为该设备预留空间而不分配该空间。

4. 发明申请

US20070168403A1 Continuous backup to a remote storage device 有权
标题翻译：连续备份到远程存储设备
公开(公告)号：US20070168403A1
公开(公告)日：2007-07-19
申请号：US11325078
申请日：2006-01-03
申请人： David Meiri , Magnus Bjornsson
发明人： David Meiri , Magnus Bjornsson
IPC分类号： G06F17/30
CPC分类号： G06F11/1451 , G06F11/1461
摘要： Continuous backup from a local storage device to a remote storage device includes subdividing the local storage device into subsections, providing a time indicator that is modified periodically, and, in response to a request to write new data to a particular subsection of the local storage device at a particular time, maintaining at the remote storage device data being overwritten by the new data according to the particular subsection and according to a value of the indicator at the particular time. Providing continuous backup from a local storage device to a remote storage device may also include restoring the local storage device to a state thereof at a particular point in time by writing the maintained data to the remote storage device and transferring the data from the remote storage device to the local storage device.
摘要翻译：从本地存储设备到远程存储设备的连续备份包括将本地存储设备细分为子部分，提供定期修改的时间指示符，以及响应于向本地存储设备的特定子部分写入新数据的请求在特定时间，在远程存储设备处的维护根据特定子部分根据特定时间的指示符的值覆盖新数据的数据。提供从本地存储设备到远程存储设备的连续备份还可以包括通过将维护的数据写入到远程存储设备并从远程存储设备传送数据来将本地存储设备恢复到特定时间点的状态到本地存储设备。

5. 发明授权

US08677087B2 Continuous backup of a storage device 有权
标题翻译：连续备份存储设备
公开(公告)号：US08677087B2
公开(公告)日：2014-03-18
申请号：US11325078
申请日：2006-01-03
申请人： David Meiri , Magnus Bjornsson
发明人： David Meiri , Magnus Bjornsson
IPC分类号： G06F12/00
CPC分类号： G06F11/1451 , G06F11/1461
摘要： Continuous backup from a local storage device to a remote storage device includes subdividing the local storage device into subsections, providing a time indicator that is modified periodically, and, in response to a request to write new data to a particular subsection of the local storage device at a particular time, maintaining at the remote storage device data being overwritten by the new data according to the particular subsection and according to a value of the indicator at the particular time. Providing continuous backup from a local storage device to a remote storage device may also include restoring the local storage device to a state thereof at a particular point in time by writing the maintained data to the remote storage device and transferring the data from the remote storage device to the local storage device.
摘要翻译：从本地存储设备到远程存储设备的连续备份包括将本地存储设备细分为子部分，提供定期修改的时间指示符，以及响应于向本地存储设备的特定子部分写入新数据的请求在特定时间，在远程存储设备处的维护根据特定子部分根据特定时间的指示符的值覆盖新数据的数据。提供从本地存储设备到远程存储设备的连续备份还可以包括通过将维护的数据写入到远程存储设备并从远程存储设备传送数据来将本地存储设备恢复到特定时间点的状态到本地存储设备。

6. 发明申请

US20070174576A1 Continuous backup 有权
标题翻译：连续备份
公开(公告)号：US20070174576A1
公开(公告)日：2007-07-26
申请号：US11324766
申请日：2006-01-03
申请人： David Meiri , Magnus Bjornsson
发明人： David Meiri , Magnus Bjornsson
IPC分类号： G06F12/00
CPC分类号： G06F11/2064 , G06F11/1451 , G06F11/2074 , G06F12/0815 , G06F2201/855
摘要： Providing continuous backup of a storage device includes subdividing the storage device into subsections, providing a time indicator that is modified periodically, and, in response to a request to write new data to a particular subsection of the storage device at a particular time, maintaining data being overwritten by the new data according to the particular subsection and according to a value of the indicator at the particular time. The subsections may be tracks. Maintaining the data being overwritten may include constructing a linked list of portions of data for each of the subsections. The portions of data may have variable sizes. In response to two data write operations to a particular subsection at a particular value of the indicator, data being written for each of the two data write operations may be combined if data for the second data write operation is a subset of data for the first data write operation. Providing continuous backup of a storage device may also include restoring the storage device to a state thereof at a particular point in time by writing the maintained data to the storage device. Writing the maintained data to the storage device may include constructing subsections of the data by combining separate portions thereof corresponding to the same subsection.
摘要翻译：提供存储设备的连续备份包括将存储设备细分为子部分，提供定期修改的时间指示符，并且响应于在特定时间向存储设备的特定子部分写入新数据的请求，维护数据被新数据根据特定小节覆盖，并根据特定时间的指标值。小节可能是轨道。维护被覆盖的数据可以包括为每个子部分构建数据部分的链接列表。数据的部分可能具有可变大小。响应于在指示符的特定值处对特定子部分的两个数据写入操作，如果用于第二数据写入操作的数据是用于第一数据的数据的子集，则可以组合用于两个数据写入操作中的每一个的数据写操作。提供存储设备的连续备份还可以包括通过将维护的数据写入存储设备来在特定时间点将存储设备恢复到其状态。将维护的数据写入存储设备可以包括通过组合对应于相同子部分的分开的部分来构建数据的子部分。

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