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1. 发明授权

US09128901B1 Continuous protection of data and storage management configuration 有权
标题翻译：持续保护数据和存储管理配置
公开(公告)号：US09128901B1
公开(公告)日：2015-09-08
申请号：US13340958
申请日：2011-12-30
申请人： Jeremy J. Nickurak , Steven Bromling , Victor Salamon , Peter D. Cutts
发明人： Jeremy J. Nickurak , Steven Bromling , Victor Salamon , Peter D. Cutts
IPC分类号： G06F11/20 , G06F3/06
CPC分类号： G06F17/30575 , G06F3/065 , G06F11/1435 , G06F11/1451 , G06F11/1469 , G06F11/1471 , G06F11/2094 , G06F17/30088 , G06F17/302 , G06F2201/84
摘要： A system is provided for continuous protection of data and storage configuration metadata. Content protected by snapshots, for example, in connection with continuous snapshotting and/or continuous data protection, may be extended to include not only user data but further include configuration metadata of the storage management system. In particular, a user may want to rollback a storage management system to a past point due to performance or stability issues attributed to configuration changes. The system described herein enables rollback to prior states based on storage configuration metadata in addition to rollback of user data and provides for synchronization of the data and configuration metadata in connection with a rollback. The system also enables roll forward processing.
摘要翻译：提供了一种用于连续保护数据和存储配置元数据的系统。通过快照保护的内容（例如，连续快照和/或连续数据保护）可以被扩展为不仅包括用户数据，还包括存储管理系统的配置元数据。特别地，由于归因于配置更改的性能或稳定性问题，用户可能希望将存储管理系统回滚到过去点。除了回滚用户数据之外，本文描述的系统还能够基于存储配置元数据回滚到先前的状态，并且提供与回滚有关的数据和配置元数据的同步。该系统还可以进行前滚处理。

2. 发明授权

US09805049B1 Migrating applications over asynchronous distances using semi-synchronous acceleration 有权
公开(公告)号：US09805049B1
公开(公告)日：2017-10-31
申请号：US13768679
申请日：2013-02-15
申请人： Ashish A. Palekar , Bradford B. Glade , Anshul Chadda , David L. Black , Roel van der Goot , Victor Salamon
发明人： Ashish A. Palekar , Bradford B. Glade , Anshul Chadda , David L. Black , Roel van der Goot , Victor Salamon
IPC分类号： G06F17/30 , G06F9/48 , G06F9/455
CPC分类号： G06F17/30174 , G06F9/455 , G06F9/45558 , G06F9/4856 , G06F2009/4557 , G06F2009/45575
摘要： Transferring an application from a first site to a second site includes determining that the second site is a destination site for the application, causing writes by the application at the first site to be propagated semi-synchronously to the second site, transferring storage data from the first site to the second site, suspending operation of the application on the first site, and resuming operation of the application on the second site. The application may be a virtual machine or a host cluster capable of transitioning applications between cluster nodes. The virtual machine may be transferred from the first site to the second site by transferring an image of the virtual machine from the first site to the second site. The destination site may be selected by a user. The second site may be located remotely from the first site across an asynchronous distance.

3. 发明授权

US08074003B1 Host-based storage controller providing block devices in geographically distributed storage 有权
标题翻译：基于主机的存储控制器在地理上分布式存储器中提供块设备
公开(公告)号：US08074003B1
公开(公告)日：2011-12-06
申请号：US12647857
申请日：2009-12-28
申请人： Victor Salamon , Roel van der Goot
发明人： Victor Salamon , Roel van der Goot
IPC分类号： G06F13/12 , G06F13/00 , G06F7/04
CPC分类号： H04L67/1095 , G06F3/0626 , G06F3/065 , G06F3/067 , G06F12/0815 , Y02D10/13
摘要： A data processing system is distributed across a plurality of locations coupled together by a wide-area communications network and includes physical storage devices and a set of host computers distributed across the locations. Each host executes both a local initiator application and a local caching storage controller (CSC) application. The CSC applications (1) define a set of block devices presented to the initiator applications for block-oriented data storage operations, the block devices being virtual devices utilizing the underlying physical storage devices, (2) engage in a distributed cache coherence protocol to present the block devices consistently to the initiator applications, (3) in response to a local block storage read command from an initiator application, retrieve the requested data from the local CSC application's cache, from a remote CSC application's cache, or from a physical storage device, and (4) in response to a local block storage write command from an initiator application, invalidate all currently cached user data for the locations/addresses associated with the write command, and either store the user data associated with the write in one or more local or remote CSC application's caches or write the user data to one or more local or remote physical storage devices.
摘要翻译：数据处理系统分布在由广域通信网络耦合在一起的多个位置上，并且包括物理存储设备和分布在该位置上的一组主机计算机。每个主机都执行本地启动器应用程序和本地缓存存储控制器（CSC）应用程序。 CSC应用（1）定义了向面向数据存储操作发起应用的一组块设备，该块设备是使用底层物理存储设备的虚拟设备，（2）参与分布式高速缓存一致性协议来呈现（3）响应于来自发起者应用程序的本地块存储读取命令，从远程CSC应用程序的缓存或物理存储设备从本地CSC应用程序的缓存中检索所请求的数据，以及（4）响应于来自发起者应用程序的本地块存储写入命令，使与所述写入命令相关联的位置/地址的所有当前缓存的用户数据无效，并且将与写入相关联的用户数据存储在一个或多个本地或远程CSC应用程序的缓存或将用户数据写入一个或多个本地或远程物理存储设备。

4. 发明授权

US10769021B1 Cache protection through cache 有权
公开(公告)号：US10769021B1
公开(公告)日：2020-09-08
申请号：US12930247
申请日：2010-12-31
申请人： Victor Salamon , Paul A. Shelley , Ronald C. Unrau , Steven R. Bromling
发明人： Victor Salamon , Paul A. Shelley , Ronald C. Unrau , Steven R. Bromling
IPC分类号： G06F11/14 , G06F12/0866 , G06F11/10 , G06F12/0815 , G06F11/16
摘要： A cache coherency protection system provides for data redundancy by sharing a cache coherence memory pool for protection purposes. The system works consistently across all communication protocols, yields improved data availability with potentially less memory waster and makes data availability faster in node/director failure scenarios. According to various embodiments, the cache coherency protection system may include a writer/requester director that receives a write request from host, a protection target director that is a partner of the writer/request director and a directory.

5. 发明授权

US09015121B1 Unified virtual machine and data storage snapshots 有权
标题翻译：统一的虚拟机和数据存储快照
公开(公告)号：US09015121B1
公开(公告)日：2015-04-21
申请号：US13741644
申请日：2013-01-15
申请人： Victor Salamon , Roel van der Goot , Steven R. Bromling
发明人： Victor Salamon , Roel van der Goot , Steven R. Bromling
IPC分类号： G06F17/30
CPC分类号： G06F11/1484 , G06F11/1438 , G06F2201/84
摘要： The system described herein provides for unifying the streams of I/O, external VM snapshot triggers and VM internal operations into one in connection with providing for snapshotting of both the data storage of a storage system and one or more associated VMs over time. The system described herein thereby allows recording undo and redo journals for all the streams substantially simultaneously. The system described herein unifies snapshots for data storage and all associated VMs in response to one or more triggers. A tag of the unified snapshots may therefore automatically refer to a point-in-time of both the VM and array data.
摘要翻译：本文所述的系统提供将I / O流，外部VM快照触发器和VM内部操作流统一为一个，以提供对存储系统的数据存储和一个或多个相关联的VM随时间的快照。因此，本文所述的系统允许基本上同时记录所有流的撤消和重做期刊。本文所述的系统响应于一个或多个触发器统一用于数据存储的快照和所有关联的VM。因此，统一快照的标签可能会自动引用VM和阵列数据的时间点。

6. 发明授权

US08682852B1 Asymmetric asynchronous mirroring for high availability 有权
标题翻译：用于高可用性的非对称异步镜像
公开(公告)号：US08682852B1
公开(公告)日：2014-03-25
申请号：US13433885
申请日：2012-03-29
申请人： Victor Salamon , Ashish A. Palekar , Roel van der Goot , David L. Black
发明人： Victor Salamon , Ashish A. Palekar , Roel van der Goot , David L. Black
IPC分类号： G06F17/30
CPC分类号： G06F11/203 , G06F11/1471 , G06F11/1484 , G06F11/2038 , G06F11/2064 , G06F11/2074 , G06F11/2082
摘要： Maintaining data at a failover site includes an application writing data at a primary site corresponding to the failover site, where data is transferred asynchronously from the primary site to the failover site, the application issuing an application check point and initiating a system check point in response to the application issuing the application check point, where the system check point causes data at the failover site to be consistent with the primary site. The application check point may complete only after the system check point completes. The application check point may complete independently of completion of the system check point. The application check point may complete either only after the system check point completes or independently of completion of the system check point according to a specific criteria.
摘要翻译：在故障切换站点维护数据包括在与故障转移站点相对应的主站点处写入数据的应用程序，其中数据从主站点异步传输到故障转移站点，应用程序发出应用程序检查点并启动响应的系统检查点发给应用程序检查点的应用程序，其中系统检查点导致故障转移站点的数据与主站点一致。应用程序检查点只有在系统检查点完成后才能完成。应用程序检查点可以独立于系统检查点的完成而完成。应用检查点可以在系统检查点完成之后完成，也可以根据具体标准独立于系统检查点完成。

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