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1. 发明授权

US08856443B2 Avoiding duplication of data units in a cache memory of a storage system 有权
标题翻译：避免存储系统缓存中的数据单元重复
公开(公告)号：US08856443B2
公开(公告)日：2014-10-07
申请号：US13417342
申请日：2012-03-12
申请人： Julian Satran , Israel Gold , Efraim Zeidner , Yechiel Yochai , Sivan Tal
发明人： Julian Satran , Israel Gold , Efraim Zeidner , Yechiel Yochai , Sivan Tal
IPC分类号： G06F12/00
CPC分类号： G06F12/0871 , G06F12/1045 , G06F2212/312
摘要： According to the teaching disclosed herein there is provided at least a method, system and device for managing a cache memory of a storage system. The storage system is associated with at least one physical storage device and, responsive to a read request, comprising information indicative of a logical address of at least one requested data unit, to obtain a storage physical address associated with the logical address, search the cache memory for a data unit associated with the storage physical address and service the request from the cache in case the data unit is found in the cache memory.
摘要翻译：根据本文公开的教导，至少提供了一种用于管理存储系统的高速缓存存储器的方法，系统和设备。存储系统与至少一个物理存储设备相关联，并且响应于读取请求，包括指示至少一个所请求的数据单元的逻辑地址的信息，以获得与逻辑地址相关联的存储物理地址，搜索高速缓存用于与存储物理地址相关联的数据单元的存储器，并且在高速缓冲存储器中发现数据单元的情况下服务来自高速缓存的请求。

2. 发明授权

US08788755B2 Mass data storage system and method of operating thereof 有权
标题翻译：大容量数据存储系统及其操作方法
公开(公告)号：US08788755B2
公开(公告)日：2014-07-22
申请号：US13270725
申请日：2011-10-11
申请人： Julian Satran , Efraim Zeidner , Yechiel Yochai
发明人： Julian Satran , Efraim Zeidner , Yechiel Yochai
IPC分类号： G06F12/00 , G06F3/06 , G06F12/02 , G06F12/10
CPC分类号： G06F3/064 , G06F3/0625 , G06F3/0644 , G06F3/0689 , G06F12/0284 , G06F12/0868 , G06F12/1009 , G06F2206/1004 , G06F2212/262 , Y02D10/13 , Y02D10/154
摘要： There are provided a mass storage system comprising a control layer operatively coupled to a physical storage space and operable to interface with one or more clients and to present to said clients a plurality of logical volumes. The method of operating the storage system comprises: dividing one or more logical volumes into a plurality of statistical segments with predefined size; assigning to each given statistical segment a corresponding activity level characterizing statistics of I/O activity with regard to data portions within the given statistical segment, said statistics collected over a plurality of cycles of fixed counting length; and managing one or more data storage processes in the storage system (e.g. a background defragmentation process, a background garbage collection process, a destage management process, etc.) using said activity level.
摘要翻译：提供了一种大容量存储系统，其包括可操作地耦合到物理存储空间的控制层，并且可操作以与一个或多个客户机进行接口，并向所述客户端呈现多个逻辑卷。操作存储系统的方法包括：将一个或多个逻辑卷划分成具有预定义大小的多个统计段; 将给定统计段中的数据部分的I / O活动的统计信息分配给每个给定的统计段，相应的活动级别，在固定计数长度的多个周期内收集所述统计信息; 以及使用所述活动级别来管理存储系统中的一个或多个数据存储处理（例如，背景碎片整理过程，后台垃圾回收处理，流水管理过程等）。

3. 发明申请

US20130067269A1 OBJECT BASED STORAGE SYSTEM AND METHOD OF OPERATING THEREOF 有权
标题翻译：基于对象的存储系统及其操作方法
公开(公告)号：US20130067269A1
公开(公告)日：2013-03-14
申请号：US13603470
申请日：2012-09-05
申请人： Israel Gold , Yechiel Yochai , Julian Satran
发明人： Israel Gold , Yechiel Yochai , Julian Satran
IPC分类号： G06F11/14
CPC分类号： G06F11/2033 , G06F11/2038 , G06F11/2046
摘要： A method and a storage system for managing logical objects, wherein the storage system includes a plurality of control servers and the method includes: (i) defining a plurality of object pools and associating each logical object, hosted in the storage system, with one of the plurality of object pools; (ii) configuring each control server to have a primary responsibility over at least two of the object pools, such that each object pool is controlled by one primary control server, configured to handle requests directed to logical objects associated with the object pool; and (iii) in response to a failure of one of the plurality of control servers, configuring each operational server of the plurality of control servers to take over primary responsibility for at least one object pool, originally defined under the primary responsibility of the failed control server.
摘要翻译：一种用于管理逻辑对象的方法和存储系统，其中所述存储系统包括多个控制服务器，并且所述方法包括：（i）定义多个对象池并将托管在所述存储系统中的每个逻辑对象与多个对象池; （ii）将每个控制服务器配置为对至少两个所述对象池具有主要责任，使得每个对象池由一个主控制服务器控制，被配置为处理针对与所述对象池相关联的逻辑对象的请求; 以及（iii）响应于所述多个控制服务器中的一个控制服务器的故障，配置所述多个控制服务器中的每个操作服务器以承担至少一个对象池的主要责任，所述至少一个对象池最初由故障控制的主要责任所定义服务器。

4. 发明申请

US20130269039A1 DATA ACCESS CONTROL 审中-公开
标题翻译：数据访问控制
公开(公告)号：US20130269039A1
公开(公告)日：2013-10-10
申请号：US13438850
申请日：2012-04-04
申请人： Israel Gold , Yechiel Yochai , Julian Satran
发明人： Israel Gold , Yechiel Yochai , Julian Satran
IPC分类号： G06F21/64
CPC分类号： G06F21/64
摘要： The presently disclosed subject matter includes a system and method for protecting data stored in a physical storage space of a storage system. According to the teachings disclosed herein, a block key is provided together with a read and a write request and is applied on data, which is related to a logical data block, for calculating a data block signature. A read request according to the presently disclosed subject matter includes, in addition to data indicative of a requested data block, a block key for the purpose of verifying the data block signature that was stored upon the last write of the requested data block. A write request according to the presently disclosed subject matter includes, in addition to data indicative of a data block to be written, a block key for generating a respective data block signature.
摘要翻译：目前公开的主题包括用于保护存储在存储系统的物理存储空间中的数据的系统和方法。根据本文公开的教导，块密钥与读取和写入请求一起提供，并且被应用于与用于计算数据块签名的逻辑数据块相关的数据。根据当前公开的主题的读取请求除了指示所请求的数据块的数据之外还包括用于验证在最后写入请求的数据块时存储的数据块签名的块密钥。根据当前公开的主题的写入请求除了指示要写入的数据块的数据之外还包括用于生成相应数据块签名的块密钥。

5. 发明授权

US08868970B2 Object based storage system and method of operating thereof 有权
标题翻译：基于对象的存储系统及其操作方法
公开(公告)号：US08868970B2
公开(公告)日：2014-10-21
申请号：US13603470
申请日：2012-09-05
申请人： Israel Gold , Yechiel Yochai , Julian Satran
发明人： Israel Gold , Yechiel Yochai , Julian Satran
IPC分类号： G06F11/00 , G06F11/20
CPC分类号： G06F11/2033 , G06F11/2038 , G06F11/2046
摘要： A method and a storage system for managing logical objects, wherein the storage system includes a plurality of control servers and the method includes: (i) defining a plurality of object pools and associating each logical object, hosted in the storage system, with one of the plurality of object pools; (ii) configuring each control server to have a primary responsibility over at least two of the object pools, such that each object pool is controlled by one primary control server, configured to handle requests directed to logical objects associated with the object pool; and (iii) in response to a failure of one of the plurality of control servers, configuring each operational server of the plurality of control servers to take over primary responsibility for at least one object pool, originally defined under the primary responsibility of the failed control server.
摘要翻译：一种用于管理逻辑对象的方法和存储系统，其中所述存储系统包括多个控制服务器，并且所述方法包括：（i）定义多个对象池并将托管在所述存储系统中的每个逻辑对象与多个对象池; （ii）将每个控制服务器配置为对至少两个所述对象池具有主要责任，使得每个对象池由一个主控制服务器控制，被配置为处理针对与所述对象池相关联的逻辑对象的请求; 以及（iii）响应于所述多个控制服务器中的一个控制服务器的故障，配置所述多个控制服务器中的每个操作服务器以承担至少一个对象池的主要责任，所述至少一个对象池最初由故障控制的主要责任所定义服务器。

6. 发明授权

US09087006B2 Destaging cached data in multiple recurrences in a storage system 有权
标题翻译：在存储系统中以多次重复的方式存储缓存的数据
公开(公告)号：US09087006B2
公开(公告)日：2015-07-21
申请号：US13481981
申请日：2012-05-29
申请人： Yechiel Yochai , Michael Dorfman , Efraim Zeidner
发明人： Yechiel Yochai , Michael Dorfman , Efraim Zeidner
IPC分类号： G06F12/08 , G06F11/14
CPC分类号： G06F11/1441 , G06F12/0868
摘要： Storage system(s) for storing data in physical storage in a recurring manner, method(s) of operating thereof, and corresponding computer program product(s). For example, a possible method can include: upon start of a storage recurrence, destaging dirty data which had been accommodated in the cache memory prior to the start of said storage recurrence thus giving rise to destaged data group, wherein destaging is provided with no overwriting of at least superseded data destaged before starting said storage recurrence while enabling retaining metadata indicative of location of said superseded data in the physical storage space; accommodating data obtained in said cache memory subsequent to the start of said storage recurrence while preventing said data from being destaged during said storage recurrence, thus giving rise to accommodated data group; and registering a point-in-time indicative of successful destaging of the destaged data group, thereby providing an order-preservation consistency indication corresponding to said recurrence.
摘要翻译：用于以循环方式存储物理存储中的数据的存储系统，其操作方法和相应的计算机程序产品。例如，可能的方法可以包括：在开始存储重复时，在开始所述存储重复之前破坏已经容纳在高速缓冲存储器中的脏数据，从而产生去往数据组，其中提供不覆盖的destaging 在启动所述存储重复之前至少取代被取代的数据被取消，同时允许保留指示所述被替换的数据在所述物理存储空间中的位置的元数据; 在所述存储重复开始之后容纳在所述高速缓冲存储器中获得的数据，同时防止在所述存储重复期间所述数据被破坏，从而产生容纳的数据组; 以及注册指示所述已故数据组成功登陆的时间点，从而提供对应于所述重复发生的订单保存一致性指示。

7. 发明申请

US20150134909A1 MANAGING READ OPERATIONS, WRITE OPERATIONS AND EXTENT CHANGE OPERATIONS 有权
标题翻译：管理阅读操作，书面操作和广泛的变更操作
公开(公告)号：US20150134909A1
公开(公告)日：2015-05-14
申请号：US14078558
申请日：2013-11-13
申请人： Yechiel Yochai , Joseph Ezra , Ido Ben-Tsion , Efraim Zeidner
发明人： Yechiel Yochai , Joseph Ezra , Ido Ben-Tsion , Efraim Zeidner
IPC分类号： G06F3/06
CPC分类号： G06F3/0611 , G06F3/0626 , G06F3/0644 , G06F3/0683 , G06F17/3033
摘要： A method for responding to an extent change operation, the method may include receiving, by a storage system and from a requesting entity, a request to perform an extent content change operation that involves changing a content of a certain extent within a logical space supported by a storage system; generating, in response to the request, extent change operation information that comprises (a) an event counter indicative of a time of requested occurrence of the extent change operation, (ii) a type of extent change operation indicator, and (ii) logical addresses associated with the extent change operation; and sending to the requesting entity an acknowledgement indicative of a completion of the extent change operation before a completion of the extent change operation if an expected content of the certain extent is known before completion of the extent change operation.
摘要翻译：一种响应范围变更操作的方法，所述方法可包括由存储系统和请求实体接收执行扩展内容改变操作的请求，该操作涉及在由以下内容支持的逻辑空间内改变一定程度的内容：存储系统; 响应于该请求，产生范围变更操作信息，该操作信息包括：（a）指示所述程度变更操作的请求发生时间的事件计数器，（ii）扩展程度变化操作指示符的类型，以及（ii）逻辑地址与范围变化操作相关联; 以及如果在所述盘区改变操作完成之前已知所述一定范围的预期内容，则在所述盘区改变操作完成之前，向所述请求实体发送指示所述盘区改变操作的完成的确认。

8. 发明授权

US09104325B2 Managing read operations, write operations and extent change operations 有权
标题翻译：管理读取操作，写入操作和范围更改操作
公开(公告)号：US09104325B2
公开(公告)日：2015-08-11
申请号：US14078558
申请日：2013-11-13
申请人： Yechiel Yochai , Joseph Ezra , Ido Ben-Tsion , Efraim Zeidner
发明人： Yechiel Yochai , Joseph Ezra , Ido Ben-Tsion , Efraim Zeidner
IPC分类号： G06F3/00 , G06F3/06 , G06F17/30
CPC分类号： G06F3/0611 , G06F3/0626 , G06F3/0644 , G06F3/0683 , G06F17/3033
摘要： A method for responding to an extent change operation, the method may include receiving, by a storage system and from a requesting entity, a request to perform an extent content change operation that involves changing a content of a certain extent within a logical space supported by a storage system; generating, in response to the request, extent change operation information that comprises (a) an event counter indicative of a time of requested occurrence of the extent change operation, (ii) a type of extent change operation indicator, and (ii) logical addresses associated with the extent change operation; and sending to the requesting entity an acknowledgement indicative of a completion of the extent change operation before a completion of the extent change operation if an expected content of the certain extent is known before completion of the extent change operation.
摘要翻译：一种响应范围变更操作的方法，所述方法可包括由存储系统和请求实体接收执行扩展内容改变操作的请求，该操作涉及在由以下内容支持的逻辑空间内改变一定程度的内容：存储系统; 响应于该请求，产生范围变更操作信息，该操作信息包括：（a）指示所述程度变更操作的请求发生时间的事件计数器，（ii）扩展程度变化操作指示符的类型，以及（ii）逻辑地址与范围变化操作相关联; 以及如果在所述盘区改变操作完成之前已知所述一定范围的预期内容，则在所述盘区改变操作完成之前，向所述请求实体发送指示所述盘区改变操作的完成的确认。

9. 发明授权

US10067843B1 Synchronizing control nodes and a recovery from a failure of a primary control node of a storage system 有权
公开(公告)号：US10067843B1
公开(公告)日：2018-09-04
申请号：US15365959
申请日：2016-12-01
申请人： Yechiel Yochai , Sivan Tal , Nir Schenkler , Mike Dorfman
发明人： Yechiel Yochai , Sivan Tal , Nir Schenkler , Mike Dorfman
IPC分类号： G06F11/00 , G06F11/20 , G06F13/16
摘要： A method for synchronizing between a primary control node of a storage system and a secondary control node of the storage system, the method may include performing a change in a key-value store that is stored in shared memory of the storage system and includes control metadata for controlling access to data stored in the storage system; the shared memory is accessible to the primary control node and to a secondary control node; generating a change indication that (i) is indicative of the change in the key-value store and (ii) requests the secondary control node to introduce changes in one or more additional data structures that are not stored in the shared memory; the change in the key-value store comprises replacing a previous given value with a current given value that is associated with a given key; sending the change indication to the secondary control node; receiving an acknowledgement from the secondary control node; wherein the acknowledgement indicates at least one of the following: (i) the secondary control node received the change indication and (ii) the secondary control node introduced the changes in the one or more additional data structures that are not stored in the shared memory; and deleting, by the primary control node, the previous given value from the shared memory.

10. 发明授权

US08458145B2 System and method of storage optimization 有权
标题翻译：存储优化的系统和方法
公开(公告)号：US08458145B2
公开(公告)日：2013-06-04
申请号：US13010337
申请日：2011-01-20
申请人： Haim Kopylovitz , Julian Satran , Yechiel Yochai
发明人： Haim Kopylovitz , Julian Satran , Yechiel Yochai
IPC分类号： G06F7/00 , G06F17/30 , G06F3/06
CPC分类号： G06F3/0641 , G06F3/0608 , G06F3/0689
摘要： A method and system are disclosed for storage optimization. Data parts and metadata within a source data unit are identified and the data parts are compared with data which is already stored in the physical storage space. In case identical data parts are found within the physical storage, the data parts from the source data unit are linked to the identified data, while the data parts can be discarded, thereby reducing the required storage capacity. The metadata parts can be separately stored in a designated storage area.
摘要翻译：公开了用于存储优化的方法和系统。识别源数据单元内的数据部分和元数据，并将数据部分与已经存储在物理存储空间中的数据进行比较。在物理存储器内发现相同的数据部分的情况下，来自源数据单元的数据部分被链接到所识别的数据，同时可以丢弃数据部分，从而减少所需的存储容量。元数据部分可以单独存储在指定的存储区域中。

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