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51. 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。

52. 发明申请

US20150032980A1 Storage System and Method for Accessing Logical Volumes 有权
标题翻译：存储系统和访问逻辑卷的方法
公开(公告)号：US20150032980A1
公开(公告)日：2015-01-29
申请号：US13952716
申请日：2013-07-29
申请人： Infinidat Ltd.
发明人： Alex Winokur
IPC分类号： G06F3/06
CPC分类号： G06F3/0665 , G06F3/0619 , G06F3/0622 , G06F3/067 , G06F12/14 , G06F12/1466
摘要： A method and a storage system are provided for accessing volumes. The storage system provisions to a host, a place holder handle configured for allowing access to any volume selected by the host and allowed to be accessed by the host. The volume forms part of accessible volumes included in the storage system. The storage system receives from the host a first request for associating the place holder handle with a first selected volume from among the accessible volumes and enables the host to access the first selected volume in response to receiving an access request indicative of the place holder handle.
摘要翻译：提供了访问卷的方法和存储系统。存储系统提供给主机，配置为允许访问由主机选择并被主机访问的任何卷的占位符句柄。卷是存储系统中包含的可访问卷的一部分。存储系统从主机接收第一请求，用于将占位符句柄与可访问卷中的第一选定卷相关联，并且使主机能够响应于接收到指示占位符句柄的访问请求而访问第一所选择的卷。

53. 发明申请

US20140173226A1 LOGICAL OBJECT DELETION 有权
标题翻译：逻辑对象删除
公开(公告)号：US20140173226A1
公开(公告)日：2014-06-19
申请号：US13713069
申请日：2012-12-13
申请人： INFINIDAT LTD.
发明人： Israel GOLD
IPC分类号： G06F12/12
CPC分类号： G06F3/06 , G06F3/0608 , G06F3/0652 , G06F3/0689 , G06F17/30117
摘要： The presently disclosed subject matter includes a method and system for enabling the deletion of logical objects characterized by an object identifier (OID). Upon restart following a system interruption, one or more logical objects are identified, each object being addressed by an interrupted delete request. For each identified logical object performing a deletion, the deletion including: reading one or more physical blocks stored in a physical storage space, wherein the one or more physical blocks were linked to the identified logical object before the system interruption, each of the physical blocks includes an OID stored therein indicating a logical object currently linked to the respective physical block; obtaining OIDs stored respectively in the one or more physical blocks; and freeing those physical blocks from among the one or more physical blocks, which store an OID identical to the respective OID of the identified logical object.
摘要翻译：目前公开的主题包括用于能够删除由对象标识符（OID）表征的逻辑对象的方法和系统。在系统中断之后重新启动，识别一个或多个逻辑对象，每个对象被中断的删除请求寻址。对于执行删除的每个识别的逻辑对象，所述删除包括：读取存储在物理存储空间中的一个或多个物理块，其中所述一个或多个物理块在系统中断之前链接到所识别的逻辑对象，每个物理块包括存储在其中的指示当前链接到相应物理块的逻辑对象的OID; 获得分别存储在所述一个或多个物理块中的OID; 并从存储与所识别的逻辑对象的相应OID相同的OID的一个或多个物理块中释放这些物理块。

54. 发明申请

US20140164730A1 SYSTEM AND METHODS FOR MANAGING STORAGE SPACE ALLOCATION 有权
标题翻译：用于管理存储空间分配的系统和方法
公开(公告)号：US20140164730A1
公开(公告)日：2014-06-12
申请号：US13709092
申请日：2012-12-10
申请人： INFINIDAT LTD.
发明人： ISRAEL GOLD , JULIAN SATRAN
IPC分类号： G06F12/02
CPC分类号： G06F3/0683 , G06F3/0608 , G06F3/064 , G06F12/1036
摘要： A request for obtaining a space allocation descriptor is received by a block control layer of a storage system. The space allocation descriptor is indicative of one or more logical blocks free for allocation within a range of logical addresses. The range of logical addresses is included within a logical address space related to an upper layer application which has issued the request. The space allocation descriptor is provided by using a data structure included in the block control layer and operative to map between the logical address space and allocated storage blocks within a physical storage space, managed by the block control layer.
摘要翻译：获取空间分配描述符的请求由存储系统的块控制层接收。空间分配描述符指示在逻辑地址的范围内用于分配的一个或多个逻辑块。逻辑地址的范围被包括在与发出请求的上层应用相关的逻辑地址空间中。通过使用包含在块控制层中的数据结构来提供空间分配描述符，并且可操作以在由块控制层管理的物理存储空间内的逻辑地址空间与分配的存储块之间进行映射。

55. 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。

56. 发明授权

US11281587B2 Self-tuning cache 有权
公开(公告)号：US11281587B2
公开(公告)日：2022-03-22
申请号：US15985850
申请日：2018-05-22
申请人： Infinidat Ltd.
发明人： Yechiel Yochai
IPC分类号： G06F12/0862 , G06F12/123 , G06F12/0866
摘要： A method for managing a cache memory of a storage system, the method may include receiving, by a controller of the storage system, an access request related to a data unit; wherein the receiving occurs while (a) the cache memory stores a group of oldest cached data units, and (b) the data unit is stored in a memory module of the storage system the differs from the cache memory; determining, by the controller, a caching category of the data unit; and preventing from caching the data unit in the cache memory when a hit score of the caching category of the data unit is lower than a hit score of the group of oldest cached data units; and caching the data unit in the cache memory when the hit score of the caching category of the data unit is higher than the hit score of the group of oldest cached data units; wherein the hit score of the caching category of the data unit is indicative of a probability of a cache hit per data unit of the caching category.

57. 发明授权

US10782650B1 Gauge for monitoring instances of a storage system event 有权
公开(公告)号：US10782650B1
公开(公告)日：2020-09-22
申请号：US15717943
申请日：2017-09-28
申请人： Infinidat Ltd.
发明人： Haim Bitner
IPC分类号： G04F10/00 , G06F17/18
摘要： A method for monitoring a storage system event, the method may include receiving, by a control unit of a storage system, a request to access a gauge that is associated with the storage system event; updating, by the control unit, a value of the gauge based on (a) a time difference between a time related to the request to access the gauge and a time related to a previous request to access the gauge, and (b) a length of a sliding time window; wherein when the request to access the gauge is triggered by an occurrence of an instance of the storage system event then the updating is further responsive to the occurrence of the instance of the storage system event; and wherein the value of the gauge provides an approximation of an average rate of instances of the storage system event during the sliding time window.

58. 发明授权

US10698779B2 Clustered disk error recovery 有权
公开(公告)号：US10698779B2
公开(公告)日：2020-06-30
申请号：US15810174
申请日：2017-11-13
申请人： Infinidat Ltd.
发明人： Mike Dorfman , Nick Loffe , Sagi Grabois
IPC分类号： G06F11/20 , G06F3/06 , G06F11/16
摘要： A method for disk error recovery management, the method may include (A) executing by a first control node, a first disk error recovery process that involves halting access, of the first control node, to a first group of storage devices. (B) Receiving by the first control node, during the execution of the disk error recovery process, a request to access a given storage device of the first group. (C) Directing the request to access the given storage device to a second control node if the second control node is not currently involved in an error recovery processes that involves halting access to the given storage device. (D) Accessing the given storage device by the second control node, during the execution of the disk error recovery process.

59. 发明授权

US10430087B1 Shared layered physical space 有权
公开(公告)号：US10430087B1
公开(公告)日：2019-10-01
申请号：US15421449
申请日：2017-02-01
申请人： Infinidat Ltd.
发明人： Yechiel Yochai , Mike Dorfman , Sivan Tal
IPC分类号： G06F12/00 , G06F3/06 , G06F12/10
摘要： A method for managing write requests in a storage system, the method may include receiving, by a receiving control node out of a group of control nodes of the storage system, a write request for writing a data unit to the storage system; storing the data unit in a first layer storage that is shared among the control nodes of the group, by the receiving control node; retrieving the data unit from the first layer storage and destaging the data unit to a second layer storage by a destaging control node that belongs to the group and is responsible for destaging the data unit; wherein at a time of the destaging of the data unit to the second layer storage another control node of the group is responsible for destaging another data unit to the second layer storage; wherein the storing of the data unit in the first layer storage is faster than the destaging of the data unit to the second layer storage; and when the destaging control node differs from the receiving control node then each one of the receiving and the storing is not preceded by notifying the destaging control node about the receiving and the storing, respectively.

60. 发明申请

US20190205254A1 SELF-TUNING CACHE 审中-公开
公开(公告)号：US20190205254A1
公开(公告)日：2019-07-04
申请号：US15985850
申请日：2018-05-22
申请人： Infinidat Ltd.
发明人： YECHIEL YOCHAI
IPC分类号： G06F12/0862 , G06F12/123 , G06F12/0866
CPC分类号： G06F12/0862 , G06F12/0866 , G06F12/123 , G06F2212/1021 , G06F2212/6026
摘要： A method for managing a cache memory of a storage system, the method may include receiving, by a controller of the storage system, an access request related to a data unit; wherein the receiving occurs while (a) the cache memory stores a group of oldest cached data units, and (b) the data unit is stored in a memory module of the storage system the differs from the cache memory; determining, by the controller, a caching category of the data unit; and preventing from caching the data unit in the cache memory when a hit score of the caching category of the data unit is lower than a hit score of the group of oldest cached data units; and caching the data unit in the cache memory when the hit score of the caching category of the data unit is higher than the hit score of the group of oldest cached data units; wherein the hit score of the caching category of the data unit is indicative of a probability of a cache hit per data unit of the caching category.

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