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1. 发明申请

US20140149665A1 Storage System Capable of Managing a Plurality of Snapshot Families and Method of Operating Thereof 有权
标题翻译：能够管理多个快照家族的存储系统及其操作方法
公开(公告)号：US20140149665A1
公开(公告)日：2014-05-29
申请号：US14092208
申请日：2013-11-27
申请人： Infinidat Ltd.
发明人： Josef Ezra , Yechiel Yochai , Ido Ben-Tsion , Efraim Zeidner
IPC分类号： G06F3/06
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 comprising a control layer operable to manage a snapshot family (SF) constituted by SF members having hierarchical relations represented by a SF relationship data structure and a method of operating thereof. Upon receiving a command for restoring a writable SF member from a read-only snapshot thereof, the control layer provides a foreground atomic operation. The atomic operation comprises generating a new writable snapshot of the read-only snapshot (a destination SF member), modifying the SF relationship data structure, and re-assigning all logical unit numbers (LUNs) from the writable SF member to be restored to the destination SF member. Upon successful completion of the atomic operation, the control layer sends acknowledgement indicative of successful restoring the writable SF member. The control layer further provides a background process comprising modifying, in correspondence with the provided atomic operation, a SF mapping data structure comprising mappings between logical and physical addresses corresponding to SF members.
摘要翻译：提供了一种存储系统，包括可操作以管理由具有由SF关系数据结构表示的分级关系的SF成员构成的快照族（SF）的控制层及其操作方法。当从其只读快照接收到用于恢复可写SF成员的命令时，控制层提供前景原子操作。原子操作包括生成只读快照（目的地SF成员）的新的可写快照，修改SF关系数据结构，以及从可写SF成员重新分配所有逻辑单元号（LUN）以恢复到目的地SF成员。成功完成原子操作后，控制层发送指示成功恢复可写SF成员的确认。控制层还提供后台处理，包括与提供的原子操作对应地修改包括对应于SF成员的逻辑地址和物理地址之间的映射的SF映射数据结构。

2. 发明授权

US09383942B2 Storage system capable of managing a plurality of snapshot families and method of operating thereof 有权
标题翻译：能够管理多个快照族的存储系统及其操作方法
公开(公告)号：US09383942B2
公开(公告)日：2016-07-05
申请号：US14092208
申请日：2013-11-27
申请人： Infinidat Ltd.
发明人： Josef Ezra , Yechiel Yochai , Ido Ben-Tsion , Efraim Zeidner
IPC分类号： 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 comprising a control layer operable to manage a snapshot family (SF) constituted by SF members having hierarchical relations represented by a SF relationship data structure and a method of operating thereof. Upon receiving a command for restoring a writable SF member from a read-only snapshot thereof, the control layer provides a foreground atomic operation. The atomic operation comprises generating a new writable snapshot of the read-only snapshot (a destination SF member), modifying the SF relationship data structure, and re-assigning all logical unit numbers (LUNs) from the writable SF member to be restored to the destination SF member. Upon successful completion of the atomic operation, the control layer sends acknowledgement indicative of successful restoring the writable SF member. The control layer further provides a background process comprising modifying, in correspondence with the provided atomic operation, a SF mapping data structure comprising mappings between logical and physical addresses corresponding to SF members.
摘要翻译：提供了一种存储系统，包括可操作以管理由具有由SF关系数据结构表示的分级关系的SF成员构成的快照族（SF）的控制层及其操作方法。当从其只读快照接收到用于恢复可写SF成员的命令时，控制层提供前景原子操作。原子操作包括生成只读快照（目的地SF成员）的新的可写快照，修改SF关系数据结构，以及从可写SF成员重新分配所有逻辑单元号（LUN）以恢复到目的地SF成员。成功完成原子操作后，控制层发送指示成功恢复可写SF成员的确认。控制层还提供后台处理，包括与提供的原子操作对应地修改包括对应于SF成员的逻辑地址和物理地址之间的映射的SF映射数据结构。

3. 发明授权

US09311016B2 Storage system capable of managing a plurality of snapshot families and method of operating thereof 有权
标题翻译：能够管理多个快照族的存储系统及其操作方法
公开(公告)号：US09311016B2
公开(公告)日：2016-04-12
申请号：US14092243
申请日：2013-11-27
申请人： Infinidat Ltd.
发明人： Josef Ezra , Yechiel Yochai , Ido Ben-Tsion , Efraim Zeidner , Nir Schenkler
IPC分类号： G06F17/30 , G06F3/06 , G06F11/14 , G06F12/08
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 and a method of identifying delta-data therein between two points-in-time. The method comprises: generating successive snapshots Si and Si+1 corresponding to the two points-in-time; upon generating the snapshot Si+1, searching the cache memory for data blocks associated with snap_version=i, thereby yielding cached delta-metadata; searching the SF mapping data structure for destaged data blocks associated with snap_version=i, thereby yielding destaged delta-metadata; and joining the cached delta-metadata and the destaged delta-metadata, thereby yielding delta-metadata indicative of the delta-data between points-in-time corresponding to the successive snapshots with Snap_ID=i and Snap_ID=i+1. The method operates with no need in copying, destaging to a dedicated location and/or any other special handling of data that needs to be transmitted to the RS system.
摘要翻译：提供了一种在两个时间点之间识别其中的增量数据的存储系统和方法。该方法包括：产生对应于两个时间点的连续快照Si和Si + 1; 在生成快照Si + 1时，在高速缓冲存储器中搜索与snap_version = i相关联的数据块，从而产生缓存的增量元数据; 搜索SF映射数据结构以获取与snap_version = i相关联的已迁移数据块，从而产生已删除的增量元数据; 并加入高速缓存的增量元数据和去往的增量元数据，从而产生指示与Snap_ID = i和Snap_ID = i + 1的连续快照对应的时间点之间的增量数据的增量元数据。该方法不需要复制，转发到专用位置和/或需要发送到RS系统的数据的任何其他特殊处理。

4. 发明授权

US09311015B2 Storage system capable of managing a plurality of snapshot families and method of operating thereof 有权
标题翻译：能够管理多个快照族的存储系统及其操作方法
公开(公告)号：US09311015B2
公开(公告)日：2016-04-12
申请号：US14092169
申请日：2013-11-27
申请人： Infinidat Ltd.
发明人： Josef Ezra , Yechiel Yochai , Ido Ben-Tsion , Efraim Zeidner
IPC分类号： G06F13/00 , 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 comprising a control layer operable to manage a plurality of snapshot families, each family constituted by snapshot family members having hierarchical relations therebetween. The method of operating the storage system comprises searching a cache memory for an addressed data block corresponding to an addressed LBA and associated with an addressed snapshot family and an addressed SF member. In a case of missing the addressed data block in the cache memory, identifying in the cache memory all dirty data blocks corresponding to the addressed LBA and associated with the addressed snapshot family (candidate data blocks); identifying among SF members of the addressed snapshot family a destage owner, and in a case when the identified destage owner is associated with a candidate data block, reading from the cache memory such candidate data block.
摘要翻译：提供了一种存储系统，其包括可操作以管理多个快照族的控制层，每个家族由其间具有分层关系的快照家族成员构成。操作存储系统的方法包括：在高速缓冲存储器中搜索与寻址的LBA相对应并且与寻址的快照族和寻址的SF成员相关联的寻址数据块。在缺少高速缓冲存储器中的寻址数据块的情况下，在高速缓冲存储器中识别与所寻址的LBA相对应并与寻址的快照族（候选数据块）相关联的所有脏数据块; 在寻址的快照家族的SF成员之中识别出租业主，并且在所识别的出租业主与候选数据块相关联的情况下，从高速缓冲存储器读取候选数据块。

5. 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。

6. 发明授权

US09244778B2 Managing physical resources of a storage system 有权
标题翻译：管理存储系统的物理资源
公开(公告)号：US09244778B2
公开(公告)日：2016-01-26
申请号：US14147630
申请日：2014-01-06
申请人： INFINIDAT LTD.
发明人： Josef Ezra , Ido Ben Tsion , Yechiel Yochai , Efraim Zeidner
IPC分类号： G06F12/00 , G06F11/14 , G06F3/06 , G06F12/06 , G06F12/10 , G06F12/02
CPC分类号： G06F11/1466 , G06F3/0604 , G06F3/0638 , G06F3/0646 , G06F3/065 , G06F3/0652 , G06F3/0683 , G06F11/1448 , G06F11/2074 , G06F11/2082 , G06F12/0292 , G06F12/06 , G06F12/10 , G06F2003/0697 , G06F2201/84 , G06F2201/855 , G06F2212/7201
摘要： A method for managing physical resources of a storage system, the method may include transmitting, to a remote site, first information representative of a first snapshot of a logical entity; wherein the first snapshot is associated with first data that is stored in first physical addresses of the storage system; wherein the first physical addresses are mapped to first logical addresses; receiving from the remote site a first acknowledgment indicating that the first information was fully received by the remote site; and disassociating, in response to a reception of the first acknowledgement, the first snapshot from the first physical addresses while maintaining a logical association between the first snapshot and the first logical addresses.
摘要翻译：一种用于管理存储系统的物理资源的方法，所述方法可以包括向远程站点发送表示逻辑实体的第一快照的第一信息; 其中所述第一快照与存储在所述存储系统的第一物理地址中的第一数据相关联; 其中所述第一物理地址被映射到第一逻辑地址; 从所述远程站点接收指示所述第一信息被所述远程站点完全接收的第一确认; 以及响应于接收到所述第一确认而从所述第一物理地址分离所述第一快照，同时保持所述第一快照和所述第一逻辑地址之间的逻辑关联。

7. 发明申请

US20150193314A1 MANAGING PHYSICAL RESOURCES OF A STORAGE SYSTEM 有权
标题翻译：管理存储系统的物理资源
公开(公告)号：US20150193314A1
公开(公告)日：2015-07-09
申请号：US14147630
申请日：2014-01-06
申请人： INFINIDAT LTD.
发明人： Josef Ezra , Ido Ben Tsion , Yechiel Yochai , Efraim Zeidner
IPC分类号： G06F11/14 , G06F3/06
CPC分类号： G06F11/1466 , G06F3/0604 , G06F3/0638 , G06F3/0646 , G06F3/065 , G06F3/0652 , G06F3/0683 , G06F11/1448 , G06F11/2074 , G06F11/2082 , G06F12/0292 , G06F12/06 , G06F12/10 , G06F2003/0697 , G06F2201/84 , G06F2201/855 , G06F2212/7201
摘要： A method for managing physical resources of a storage system, the method may include transmitting, to a remote site, first information representative of a first snapshot of a logical entity; wherein the first snapshot is associated with first data that is stored in first physical addresses of the storage system; wherein the first physical addresses are mapped to first logical addresses; receiving from the remote site a first acknowledgment indicating that the first information was fully received by the remote site; and disassociating, in response to a reception of the first acknowledgement, the first snapshot from the first physical addresses while maintaining a logical association between the first snapshot and the first logical addresses.
摘要翻译：一种用于管理存储系统的物理资源的方法，所述方法可以包括向远程站点发送表示逻辑实体的第一快照的第一信息; 其中所述第一快照与存储在所述存储系统的第一物理地址中的第一数据相关联; 其中所述第一物理地址被映射到第一逻辑地址; 从所述远程站点接收指示所述第一信息被所述远程站点完全接收的第一确认; 以及响应于接收到所述第一确认而从所述第一物理地址分离所述第一快照，同时保持所述第一快照和所述第一逻辑地址之间的逻辑关联。

8. 发明申请

US20140149670A1 Storage System and Method of Operating Thereof 有权
标题翻译：存储系统及其操作方法
公开(公告)号：US20140149670A1
公开(公告)日：2014-05-29
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： G06F11/14 , G06F12/08
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。

9. 发明授权

US09146877B2 Storage system capable of managing a plurality of snapshot families and method of snapshot family based read 有权
标题翻译：能够管理多个快照族的存储系统和基于快照族的读取方法
公开(公告)号：US09146877B2
公开(公告)日：2015-09-29
申请号：US14198632
申请日：2014-03-06
申请人： Infinidat LTD.
发明人： Josef Ezra , Yechiel Yochai , Ido Ben Tsion , Efraim Zeidner
IPC分类号： G06F13/00 , G06F12/08 , G06F3/06 , G06F11/14
CPC分类号： G06F12/0875 , G06F3/0614 , G06F3/065 , G06F3/0689 , G06F11/1458 , G06F2212/608
摘要： A method for a snapshot family based reading of data units from a storage system, the method comprises: receiving a read request for reading a requested data entity, searching in a cache memory of the storage system for a matching cached data entity, if not finding the matching cached data entity then: searching for one or more relevant data entity candidates stored in the storage system; selecting, out of the one or more relevant data entity candidates, a selected relevant data entity that has a content that has a highest probability, out of contents of the one or more relevant data entity candidates, to be equal to the content of the requested data entity; and responding to the read request by sending the selected relevant data entity.
摘要翻译：一种用于从存储系统读取数据单元的基于快照家族的方法，所述方法包括：接收读取请求的数据实体的读取请求，在存储系统的高速缓冲存储器中搜索匹配的缓存数据实体，如果没有找到所述匹配缓存数据实体然后：搜索存储在所述存储系统中的一个或多个相关数据实体候选者; 从所述一个或多个相关数据实体候选者中选择具有所述一个或多个相关数据实体候选者的内容中具有最高概率的内容的所选相关数据实体等于所请求的内容的内容数据实体; 以及通过发送所选择的相关数据实体来响应所述读取请求。

10. 发明申请

US20140149698A1 Storage System Capable of Managing a Plurality of Snapshot Families and Method of Operating Thereof 有权
标题翻译：能够管理多个快照家族的存储系统及其操作方法
公开(公告)号：US20140149698A1
公开(公告)日：2014-05-29
申请号：US14092243
申请日：2013-11-27
申请人： Infinidat Ltd.
发明人： Josef Ezra , Yechiel Yochai , Ido Ben-Tsion , Efraim Zeidner , Nir Schenkler
IPC分类号： G06F3/06
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 and a method of identifying delta-data therein between two points-in-time. The method comprises: generating successive snapshots Si and Si+1 corresponding to the two points-in-time; upon generating the snapshot Si+1, searching the cache memory for data blocks associated with snap_version=i, thereby yielding cached delta-metadata; searching the SF mapping data structure for destaged data blocks associated with snap_version=i, thereby yielding destaged delta-metadata; and joining the cached delta-metadata and the destaged delta-metadata, thereby yielding delta-metadata indicative of the delta-data between points-in-time corresponding to the successive snapshots with Snap_ID=i and Snap_ID=i+1. The method operates with no need in copying, destaging to a dedicated location and/or any other special handling of data that needs to be transmitted to the RS system.
摘要翻译：提供了一种在两个时间点之间识别其中的增量数据的存储系统和方法。该方法包括：产生对应于两个时间点的连续快照Si和Si + 1; 在生成快照Si + 1时，在高速缓冲存储器中搜索与snap_version = i相关联的数据块，从而产生缓存的增量元数据; 搜索SF映射数据结构以获取与snap_version = i相关联的已迁移数据块，从而产生已删除的增量元数据; 并加入高速缓存的增量元数据和去往的增量元数据，从而产生指示与Snap_ID = i和Snap_ID = i + 1的连续快照相对应的时间点之间的增量数据的增量元数据。该方法不需要复制，转发到专用位置和/或需要发送到RS系统的数据的任何其他特殊处理。

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