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1. 发明授权

US11625481B2 Selective throttling of operations potentially related to a security threat to a storage system 有权
公开(公告)号：US11625481B2
公开(公告)日：2023-04-11
申请号：US17039536
申请日：2020-09-30
申请人： Pure Storage, Inc.
发明人： Ethan L. Miller , Ronald Karr
IPC分类号： G06F21/55 , G06F21/62
摘要： An illustrative method includes a data protection system detecting a request to perform an operation with respect to a storage system, identifying one or more attributes of the request, determining, based on the one or more attributes, that the request is possibly related to a security threat against the storage system, and throttling, based on the determining that the request is possibly related to the security threat against the storage system, a performance of the operation.

2. 发明授权

US11442640B1 Utilizing unmapped and unknown states in a replicated storage system 有权
公开(公告)号：US11442640B1
公开(公告)日：2022-09-13
申请号：US17070036
申请日：2020-10-14
申请人： PURE STORAGE, INC.
发明人： Ethan L. Miller , John Colgrove , Christopher Golden , Steve Hodgson , Malcolm Sharpe
IPC分类号： G06F12/00 , G06F3/06 , G06F11/20 , G06F12/02 , G06F12/1009
摘要： A system and method for utilizing unmapped and unknown states in a storage system. When a first portion of a first medium is determined to be unreachable from any other mediums, the first portion of the first medium may be put into an unmapped state, and its data may be discarded and the corresponding storage locations may be freed. During replication of the first medium to a replica storage array, the state of the first portion of the first medium may be translated from the unmapped state into an unknown state on the replica storage array. If another storage array has the data of the first portion of the first medium, this data may be used to overwrite the first portion of the first medium on the replica storage array, converting the first portion of the first medium from the unknown state into the mapped state.

3. 发明申请

US20220244873A1 DEDUPLICATING DATA BASED ON RECENTLY READING THE DATA 有权
公开(公告)号：US20220244873A1
公开(公告)日：2022-08-04
申请号：US17728468
申请日：2022-04-25
申请人： PURE STORAGE, INC.
发明人： Ethan L. Miller , Ronald Karr
IPC分类号： G06F3/06 , G06F12/128 , G06F12/122
摘要： Deduplicating data based on recently reading the data, including: determining whether a calculated signature for write data matches a particular signature corresponding to data that was recently read from the storage device, wherein the signature is calculated using the write data as input; and after determining that the calculated signature for the write data matches the particular signature, obtaining the data that was recently read and comparing the data that was recently read to the write data.

4. 发明授权

US10834086B1 Hybrid cloud-based authentication for flash storage array access 有权
公开(公告)号：US10834086B1
公开(公告)日：2020-11-10
申请号：US15235770
申请日：2016-08-12
申请人： Pure Storage, Inc.
发明人： Benjamin P. Borowiec , Jimmy T. Hu , Ethan L. Miller , Terence W. Noonan , Constantine P. Sapuntzakis , Neil A. Vachharajani , Daquan Zuo
IPC分类号： H04L29/06 , H04L9/30 , H04L9/32
摘要： Providing authorization and authentication in a cloud for a user of a storage array includes: receiving, by a storage array access module from a client-side array services module, a token representing authentication of user credentials and authorized access privileges defining one or more storage array services accessible by the user, where the token is generated by a cloud-based security module upon authentication of the user credentials and identification of authorized access privileges for the user; receiving, by the storage array access module from the user, a user access request to one or more storage array services; and determining, by the storage array access module, whether to grant the user access request in dependence upon the authorized access privileges represented by the token.

5. 发明授权

US10789211B1 Feature-based deduplication 有权
公开(公告)号：US10789211B1
公开(公告)日：2020-09-29
申请号：US15725171
申请日：2017-10-04
申请人： Pure Storage, Inc.
发明人： Ethan L. Miller , Marco Sanvido
IPC分类号： G06F17/00 , G06F16/174 , G06K9/62 , G06F16/22
摘要： In one implementation, a method includes identifying, by a storage system controller associated with a plurality of storage devices, a first content-dependent feature associated with a data sector and determining, by the storage system controller, a baseline data sector associated with the data sector. The method further includes determining, by the storage system controller, a content-dependent delta between the first content-dependent feature and a second content-dependent feature of the baseline data sector and providing the content-dependent delta and an indicator to the baseline data sector for storage on the plurality of storage devices.

6. 发明申请

US20200151164A1 Deduplication Table Management 审中-公开
公开(公告)号：US20200151164A1
公开(公告)日：2020-05-14
申请号：US16738356
申请日：2020-01-09
申请人： PURE STORAGE, INC.
发明人： John Colgrove , Joseph S. Hasbani , John Martin Hayes , Ethan L. Miller , Cary A. Sandvig
IPC分类号： G06F16/23 , G06F16/174 , G06F16/901 , G06F3/06
摘要： System and methods for evicting and inserting eviction an entry for a deduplication table are described.

7. 发明申请

US20180219675A1 SEPARATE ENCRYPTION FOR A SOLID-STATE DRIVE 审中-公开
公开(公告)号：US20180219675A1
公开(公告)日：2018-08-02
申请号：US15421218
申请日：2017-01-31
申请人： Pure Storage, Inc.
发明人： John Colgrove , Peter E. Kirkpatrick , Robert Lee , Ethan L. Miller
IPC分类号： H04L9/14 , G06F21/60
CPC分类号： H04L9/14 , G06F21/602 , G06F21/79 , G06F2221/2143
摘要： A method of operating a solid-state storage drive is provided. The method includes encrypting, in the solid-state storage drive, first data by a first key, and writing the encrypted first data into solid-state storage memory of the solid-state storage drive. The method includes encrypting, in the solid-state storage drive, second data by a second key, and writing the encrypted second data into the solid-state storage memory of the solid-state storage drive, wherein at least one of the first key or the second key is supplied from a source external to the solid-state storage drive.

8. 发明授权

US09940060B1 Memory use and eviction in a deduplication storage system 有权
公开(公告)号：US09940060B1
公开(公告)日：2018-04-10
申请号：US15331181
申请日：2016-10-21
申请人： Pure Storage, Inc.
发明人： John Colgrove , Ronald Karr , Ethan L. Miller , Vinay K. Perneti , Cary A. Sandvig , Feng Wang , Wei Zhang
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F3/0641 , G06F3/0608 , G06F3/0611 , G06F3/0652 , G06F3/067 , G06F3/0685
摘要： The method includes storing data including an index summary (IS) and a deduplication map (DDM) in volatile memory of a deduplication system. The method also includes detecting that the stored data exceeds a data allocation size limit for the volatile memory. The method includes evicting the data from the volatile memory using a memory eviction policy to meet the data allocation size limit. The method further includes performing a first eviction by evicting the DDM levels from an oldest DDM level to a newest DDM level until a first one of the data allocation size limit or a DDM threshold is met. The method also includes performing a second eviction by evicting the IS levels from an oldest IS level to a newest IS level until a first one of the data allocation size limit or IS threshold is met in response to the data allocation size limit not being met by the first eviction.

9. 发明授权

US09594678B1 Preventing duplicate entries of identical data in a storage device 有权
标题翻译：防止存储设备中相同数据的重复条目
公开(公告)号：US09594678B1
公开(公告)日：2017-03-14
申请号：US14722249
申请日：2015-05-27
申请人： Pure Storage, Inc.
发明人： Ronald S. Karr , Ethan L. Miller
IPC分类号： G06F12/08 , G06F3/06
CPC分类号： G06F12/0802 , G06F3/0656 , G06F2003/0691 , G06F2212/1044
摘要： Preventing duplicate entries of identical data in a storage device, including: receiving a write request to write data to the storage device; calculating one or more signatures for the data associated with the write request; determining whether any of the calculated signatures match a calculated signature contained in a recently read signature buffer, each entry in the recently read signature buffer associating a calculated signature for data that has been read with an address of a storage location within the storage device where the data is stored; and responsive to determining that one of the calculated signatures matches a calculated signature contained in the recently read signature buffer, determining whether the data associated with the calculated signature is a duplicate of data stored at a particular address that is associated with the calculated signature contained in the recently read signature buffer.
摘要翻译：防止存储设备中相同数据的重复条目，包括：接收写入请求以将数据写入存储设备; 计算与写请求相关联的数据的一个或多个签名; 确定所计算的签名中的任何一个是否与最近读取的签名缓冲器中包含的计算签名相匹配，最近读取的签名缓冲器中的每个条目将已读取的数据的计算签名与存储设备内的存储位置的地址相关联，数据存储; 并且响应于确定所计算的签名中的一个与最近读取的签名缓冲器中包含的计算的签名匹配，确定与所计算的签名相关联的数据是否与存储在与所计算的签名所包含的特征地址相关联的数据的副本最近读取的签名缓冲区。

10. 发明授权

US09444822B1 Storage array access control from cloud-based user authorization and authentication 有权
标题翻译：基于云的用户授权和认证的存储阵列访问控制
公开(公告)号：US09444822B1
公开(公告)日：2016-09-13
申请号：US14726449
申请日：2015-05-29
申请人： Pure Storage, Inc.
发明人： Benjamin P. Borowiec , Jimmy T. Hu , Ethan L. Miller , Terence W. Noonan , Constantine P. Sapuntzakis , Neil A. Vachharajani , Daquan Zuo
IPC分类号： G06F7/04 , H04L29/06 , H04L9/32
CPC分类号： H04L63/101 , H04L9/3242 , H04L9/3247 , H04L63/0815 , H04L63/0823 , H04L67/1097 , H04L67/306 , H04L2209/24 , H04L2209/72
摘要： Providing authorization and authentication in a cloud for a user of a storage array includes: receiving, by a storage array access module from a client-side array services module, a token representing authentication of user credentials and authorized access privileges defining one or more storage array services accessible by the user, where the token is generated by a cloud-based security module upon authentication of the user credentials and identification of authorized access privileges for the user; receiving, by the storage array access module from the user, a user access request to one or more storage array services; and determining, by the storage array access module, whether to grant the user access request in dependence upon the authorized access privileges represented by the token.
摘要翻译：在云中为存储阵列的用户提供授权和认证包括：通过存储阵列访问模块从客户端阵列服务模块接收表示用户凭证的认证的令牌和定义一个或多个存储阵列的授权访问权限用户可访问的服务，其中令牌由基于云的安全模块通过用户凭证的身份验证和用户的授权访问权限的标识生成; 通过存储阵列访问模块从用户接收对一个或多个存储阵列服务的用户访问请求; 以及由所述存储阵列访问模块确定是否根据由所述令牌表示的授权访问特权来授予所述用户访问请求。

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