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21. 发明授权

US09311014B2 Storage system and methods of mapping addresses of snapshot families 有权
标题翻译：存储系统和映射快照家族地址的方法
公开(公告)号：US09311014B2
公开(公告)日：2016-04-12
申请号：US14036557
申请日：2013-09-25
申请人： Infinidat Ltd.
发明人： Josef Ezra , Yechiel Yochai , Ido Ben-Tsion , Efraim Zeidner
IPC分类号： G06F12/00 , G06F3/06 , G06F11/14 , G06F12/08 , G06F17/30
CPC分类号： G06F3/065 , G06F3/0604 , G06F3/0605 , G06F3/0614 , G06F3/0683 , G06F3/0689 , G06F11/1446 , G06F11/1458 , G06F12/0864 , G06F17/30088 , G06F2201/84
摘要： There is provided a storage system capable to maintain a snapshot family comprising a plurality of members having hierarchical relations therebetween, and a method of operating thereof. The method comprises generating a mapping data structure with mapping entries each comprising mappings for mapping a logical address range associated with the mapping entry into physical address ranges respectively correlated to representative members of the snapshot family; omitting mappings corresponding to omitted member(s) different from any of the one or more representative members sharing a respective range of physical addresses; responsive to an access request directed to a certain logical address range and a certain omitted member, determining, using a predefined rule related to the hierarchical and sequential relations between members of the snapshot family, a representative member from the one or more representative members; and responding to the access request by using a physical address range correlated to the representative member.
摘要翻译：提供了一种存储系统，其能够维护包括具有分层关系的多个构件的快照族及其操作方法。该方法包括：生成具有映射条目的映射数据结构，每个映射条目包括用于将与映射条目相关联的逻辑地址范围映射到与快照族的代表成员相关联的物理地址范围的映射; 省略对应于与共享相应物理地址范围的一个或多个代表成员中任何一个不同的省略成员的映射; 响应于针对特定逻辑地址范围的访问请求和某个省略的成员，使用与所述快照家族的成员之间的分级和顺序关系相关的预定义规则来确定来自所述一个或多个代表成员的代表成员; 以及通过使用与代表成员相关联的物理地址范围来响应该访问请求。

22. 发明申请

US20150149584A1 HIGH SPEED ASYNCHRONOUS REMOTE MIRRORING 有权
标题翻译：高速异步远程镜像
公开(公告)号：US20150149584A1
公开(公告)日：2015-05-28
申请号：US14092980
申请日：2013-11-28
申请人： Infinidat LTD.
发明人： Yechiel Yochai , Ayelet Shani , Efraim Zeidner
IPC分类号： H04L29/08
CPC分类号： H04L67/1095 , G06F11/2056 , G06F17/30067
摘要： A method for generating remote replicates of a logical volume at a remote site, the method comprises performing a plurality of replication cycles for generating a plurality (N) of points in time replicates of the logical volume at the remote site. Wherein for each positive integer n that ranges between 2 and N, a performing of a n'th replication cycle comprises: calculating in parallel and by multiple computerized resources of a storage system, multiple n'th point in time differences of multiple subsets of the logical volume; wherein n'th point in time differences of different subsets are calculated by different computerized resources; wherein a n'th point in time difference of a subset is a difference between an (n−1)'th point in time content of the subset and an n'th point in time content of the subset; and sending, in parallel, the multiple n'th point in time differences to the remote site.
摘要翻译：一种用于在远程站点生成逻辑卷的远程复制的方法，所述方法包括执行多个复制周期，用于在远程站点处产生逻辑卷的时间重复的多个（N）个点。其中对于范围在2和N之间的每个正整数n，第n个复制周期的执行包括：并行地计算和存储系统的多个计算机资源，多个子集的第n个时间点逻辑卷; 其中不同子集的第n个时间点由不同的计算机资源计算; 其中子集的第n个时间点是所述子集的第（n-1）个时间点内容与所述子集的第n个时间点之间的差; 并且并发发送到远程站点的多个第n个时间点。

23. 发明授权

US08769197B2 Grid storage system and method of operating thereof 有权
标题翻译：网格存储系统及其操作方法
公开(公告)号：US08769197B2
公开(公告)日：2014-07-01
申请号：US13910538
申请日：2013-06-05
申请人： Infinidat Ltd.
发明人： Yechiel Yochai , Leo Corry , Haim Kopylovitz
IPC分类号： G06F12/00 , G06F12/08 , G06F11/14
CPC分类号： G06F12/0868 , G06F11/1464 , G06F11/1666 , G06F11/2092
摘要： A method of operating a storage system includes: configuring the address space so that each LBA is assigned to at least two servers among a plurality of at least three servers in a control grid: to a primary server with a primary responsibility for handling requests corresponding to said LBA, and to a secondary server with a secondary responsibility for handling requests corresponding to said LBA. In response to a request corresponding to a certain LBA range, generating by a data server having primary responsibility over the certain LBA range, a primary cache object; identifying a data server configured as a secondary data server with regard to the certain LBA range; and generating a redundancy cache object corresponding to the primary cache object only at the identified secondary data server, the redundancy cache object to be used by the identified secondary data server when taking the primary responsibility.
摘要翻译：操作存储系统的方法包括：配置地址空间，使得每个LBA被分配给控制网格中的多个至少三个服务器中的至少两个服务器：主要负责处理与说LBA，以及辅助服务器，其次要责任是处理与所述LBA相对应的请求。响应于对应于某个LBA范围的请求，由具有主要责任的数据服务器在特定LBA范围内生成主要缓存对象; 识别配置为相对于特定LBA范围的辅助数据服务器的数据服务器; 并且仅在所识别的辅助数据服务器上生成与主缓存对象相对应的冗余高速缓存对象，所述冗余高速缓存对象在承担主要责任时被所识别的辅助数据服务器使用。

24. 发明申请

US20140089580A1 HANDLING ENCLOSURE UNAVAILABILITY IN A STORAGE SYSTEM 有权
标题翻译：处理存储系统中的附件不可用性
公开(公告)号：US20140089580A1
公开(公告)日：2014-03-27
申请号：US13624988
申请日：2012-09-24
申请人： INFINIDAT LTD.
发明人： Yechiel YOCHAI , Sivan TAL , Leo CORRY
IPC分类号： G06F3/06
CPC分类号： G06F3/162 , G06F3/0617 , G06F3/065 , G06F3/0689 , G06F11/1092
摘要： The presently disclosed subject matter includes, inter alia, a storage system and a method of managing allocation of data in case an enclosure in a storage system becomes unavailable. The storage system has a storage space configured as a plurality of RAID groups, each RAID group comprising N parity members. According to one aspect of the disclosed subject matter, responsive to a write request, at least one section allocated to a disk in an unavailable enclosure is identified; at least one temporary RAID group in a spare storage space of the storage system is allocated and data related to the write request is written to the alternative RAID group.
摘要翻译：目前公开的主题尤其包括在存储系统中的机箱变得不可用的情况下管理数据分配的存储系统和方法。存储系统具有配置为多个RAID组的存储空间，每个RAID组包括N个奇偶校验成员。根据所公开的主题的一个方面，响应于写入请求，识别分配给不可用外壳中的盘的至少一个部分; 分配存储系统的备用存储空间中的至少一个临时RAID组，并将与写入请求相关的数据写入备用RAID组。

25. 发明授权

US10534712B1 Service level agreement based management of a pre-cache module 有权
公开(公告)号：US10534712B1
公开(公告)日：2020-01-14
申请号：US15249504
申请日：2016-08-29
申请人： Infinidat LTD.
发明人： Qun Fan , Venu Nayar , Haim Helman
IPC分类号： G06F12/08 , G06F12/0831 , G06F12/0893 , G06F12/0873 , G06F12/0871
摘要： A method for service level agreement (SLA) allocation of resources of a cache memory of a storage system, the method may include monitoring, by a control layer of the storage system, actual performances of the storage system that are related to multiple logical volumes; calculating actual-to-required relationships between the actual performances and SLA defined performances of the multiple logical volumes; assigning caching priorities, to different logical volumes of the multiple logical volumes; wherein the assigning is based on, at least, the actual-to-required relationships; and managing, based on at least the caching priorities, a pre-cache memory module that is upstream to the cache module and is configured to store write requests that (i) are associated with one or more logical volumes of the different logical volumes and (ii) are received by the pre-cache memory module at points in time when the cache memory is full; wherein the managing comprises transferring one or more write requests from the pre-cache memory module to the cache memory when the cache memory is not full.

26. 发明授权

US10523766B2 Resolving path state conflicts in internet small computer system interfaces 有权
公开(公告)号：US10523766B2
公开(公告)日：2019-12-31
申请号：US14836980
申请日：2015-08-27
申请人： Infinidat LTD.
发明人： Eran Brown
IPC分类号： H04L29/08
摘要： A method for resolving conflicts related to states of multiple iSCSI sessions between an iSCSI initiator and an iSCSI target, the method may include: comparing between (a) iSCSI initiator information that is indicative of states of the multiple iSCSI sessions as viewed by the iSCSI initiator, and (b) iSCSI target information that is indicative of the states of the multiple iSCSI sessions as viewed by the iSCSI target; wherein the comparing is preceded by utilizing a non-iSCSI connection for gathering at least one of the iSCSI initiator information and the iSCSI target information; and participating in a resolution of a conflict related to a given iSCSI session out of the multiple iSCSI sessions when the comparing shows that a state of the given iSCSI session as indicated in the iSCSI initiator information conflicts with the state of the given iSCSI session as indicated in the iSCSI target information.

27. 发明授权

US10437787B2 Comparison of file system snapshots stored in a remote storage system using a network file system command 有权
公开(公告)号：US10437787B2
公开(公告)日：2019-10-08
申请号：US14088401
申请日：2013-11-24
申请人： Infinidat LTD.
发明人： Cyril Plisko , Alexander Goldberg , Leon Kull
IPC分类号： G06F16/178
摘要： A method for performing a comparison between first and second points in time snapshots of a file system entity, the method may include: (I) receiving by a storage system a command that was sent from a host computer, the command is network file system protocol compliant, wherein the command comprises (i) an operation code, and (ii) information about a virtual path, the virtual path that comprises (ii.a) first fields that comprise snapshot comparison parameters indicative of the first and second points in time snapshots of the file system entity, and (ii.b) a second field of a content that indicates that the command is a request to compare between the first and second points in time snapshots of the file system entity; (II) identifying, by a file system application hosted by the storage system and in response to the content of the second field of the virtual path, the command as including a request to compare between the first and second points in time snapshots of the file system entity; (III) comparing by the file system application the first and second points in time snapshots of the file system entity to provide a comparison result that is network file system protocol compliant; and (IV) sending by the storage system the comparison result to the host computer.

28. 发明授权

US10437508B1 Replicating a storage entity stored in a given storage system to multiple other storage systems 有权
公开(公告)号：US10437508B1
公开(公告)日：2019-10-08
申请号：US15672331
申请日：2017-08-09
申请人： Infinidat Ltd.
发明人： Yoav Medan
IPC分类号： G06F3/06
摘要： A storage system, a computer program product and method for replicating a storage entity to a group of storage systems. The method may include splitting the storage entity, by a given storage system, to provide storage entity portions; generating, by the given storage system, storage entity portions information for distributing the storage entity portions between all storage systems of the group so that each storage system of the group eventually receives the storage entity portions; transmitting the storage entity portions, from the given storage system, to storage systems of the group; wherein the transmitting comprises transmitting different storage entity portions from the given storage system to different storage systems of the group; sending, by the given storage system, the storage entity portions information to at least some storage systems of the group; and attempting to verify, by the given storage system, that all the storage systems of the group received all the storage entity portions.

29. 发明授权

US09703649B2 Automatic failover and failback between primary and secondary storage systems 有权
公开(公告)号：US09703649B2
公开(公告)日：2017-07-11
申请号：US14574416
申请日：2014-12-18
申请人： Infinidat LTD.
发明人： Alex Winokur
IPC分类号： G06F11/00 , G06F11/20 , G06F13/42
CPC分类号： G06F11/2005 , G06F11/2064 , G06F11/2069 , G06F11/2071 , G06F13/4221 , G06F2201/85
摘要： A method for managing a secondary storage system, the method may include performing a failover update, by the secondary storage system, of a status of at least one secondary path that couples a host computer to the secondary storage system thereby causing the host computer to prioritize sending IO requests to the secondary storage system over sending the IO requests to a primary storage system; wherein the failover update is triggered by a determination made by the secondary storage system that (a) the secondary storage system is, when making the determination, at an acceptable synchronization level with the primary storage system, and (b) the primary storage system is disconnected from the host computer; receiving, from the host computer, IO requests; and responding, by the secondary storage system, to the IO requests.

30. 发明授权

US09614909B2 High speed asynchronous remote mirroring 有权
公开(公告)号：US09614909B2
公开(公告)日：2017-04-04
申请号：US14092980
申请日：2013-11-28
申请人： Infinidat LTD.
发明人： Yechiel Yochai , Ayelet Shani , Efraim Zeidner
IPC分类号： H04L29/08 , G06F17/30 , G06F11/20
CPC分类号： H04L67/1095 , G06F11/2056 , G06F17/30067
摘要： A method for generating remote replicates of a logical volume at a remote site, the method comprises performing a plurality of replication cycles for generating a plurality (N) of points in time replicates of the logical volume at the remote site. Wherein for each positive integer n that ranges between 2 and N, a performing of a n'th replication cycle comprises: calculating in parallel and by multiple computerized resources of a storage system, multiple n'th point in time differences of multiple subsets of the logical volume; wherein n'th point in time differences of different subsets are calculated by different computerized resources; wherein a n'th point in time difference of a subset is a difference between an (n−1)'th point in time content of the subset and an n'th point in time content of the subset; and sending, in parallel, the multiple n'th point in time differences to the remote site.

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