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1. 发明授权

US11138082B2 Action determination based on redundancy level 有权
公开(公告)号：US11138082B2
公开(公告)日：2021-10-05
申请号：US16576084
申请日：2019-09-19
申请人： Pure Storage, Inc.
发明人： John Hayes , John Davis , Brian Gold , Shantanu Gupta , Robert Lee , Igor Ostrovsky , Rusty Sears
IPC分类号： G06F11/20 , G06F3/06 , G06F11/10 , G06F12/06 , G06F11/14
摘要： A plurality of storage nodes is provided. Each of the plurality of storage nodes includes nonvolatile solid-state memory for user data storage. The plurality of storage nodes is configured to distribute the user data and metadata associated with the user data throughout the plurality of storage nodes such that the plurality of storage nodes maintain the ability to read the user data, using erasure coding, despite a loss of two of the plurality of storage nodes. The plurality of storage nodes is configured to initiate an action based on the redundant copies of the metadata, responsive to achieving a level of redundancy for the redundant copies of the metadata. A method for accessing user data in a plurality of storage nodes having nonvolatile solid-state memory is also provided.

2. 发明申请

US20210073149A1 Direct Memory Access Data Format 有权
公开(公告)号：US20210073149A1
公开(公告)日：2021-03-11
申请号：US16953171
申请日：2020-11-19
申请人： Pure Storage, Inc.
发明人： John Hayes , Shantanu Gupta , John Davis , Brian Gold , Zhangxi Tan
IPC分类号： G06F13/28 , G06F3/06
摘要： A method of applying a data format in a direct memory access transfer is provided. The method includes distributing user data throughout a plurality of storage nodes through erasure coding, wherein the plurality of storage nodes are housed within a single chassis that couples the storage nodes as a cluster, each of the plurality of storage nodes having nonvolatile solid-state memory for user data storage. The method includes reading a self-describing data portion from a first memory of the nonvolatile solid-state memory and extracting a destination from the self-describing data portion. The method includes writing data, from the self-describing data portion, to a second memory of the nonvolatile solid-state memory according to the destination.

3. 发明授权

US10853285B2 Direct memory access data format 有权
公开(公告)号：US10853285B2
公开(公告)日：2020-12-01
申请号：US16267163
申请日：2019-02-04
申请人： Pure Storage, Inc.
发明人： John Hayes , Shantanu Gupta , John Davis , Brian Gold , Zhangxi Tan
IPC分类号： G06F13/36 , G06F13/28 , G06F3/06
摘要： A method of applying a data format in a direct memory access transfer is provided. The method includes distributing user data throughout a plurality of storage nodes through erasure coding, wherein the plurality of storage nodes are housed within a single chassis that couples the storage nodes as a cluster, each of the plurality of storage nodes having nonvolatile solid-state memory for user data storage. The method includes reading a self-describing data portion from a first memory of the nonvolatile solid-state memory and extracting a destination from the self-describing data portion. The method includes writing data, from the self-describing data portion, to a second memory of the nonvolatile solid-state memory according to the destination.

4. 发明授权

US10198380B1 Direct memory access data movement 有权
公开(公告)号：US10198380B1
公开(公告)日：2019-02-05
申请号：US15686956
申请日：2017-08-25
申请人： Pure Storage, Inc.
发明人： John Hayes , Shantanu Gupta , John Davis , Brian Gold , Zhangxi Tan
IPC分类号： G06F13/36 , G06F13/28 , G06F3/06
摘要： A method of applying a data format in a direct memory access transfer is provided. The method includes distributing user data throughout a plurality of storage nodes through erasure coding, wherein the plurality of storage nodes are housed within a single chassis that couples the storage nodes as a cluster, each of the plurality of storage nodes having nonvolatile solid-state memory for user data storage. The method includes reading a self-describing data portion from a first memory of the nonvolatile solid-state memory and extracting a destination from the self-describing data portion. The method includes writing data, from the self-describing data portion, to a second memory of the nonvolatile solid-state memory according to the destination.

5. 发明授权

US09501244B2 Scheduling policy for queues in a non-volatile solid-state storage 有权
标题翻译：在非易失性固态存储中排队的调度策略
公开(公告)号：US09501244B2
公开(公告)日：2016-11-22
申请号：US14523719
申请日：2014-10-24
申请人： Pure Storage, Inc.
发明人： John Hayes , Shantanu Gupta , John Davis , Brian Gold , Zhangxi Tan
IPC分类号： G06F3/06 , G06F12/02 , G06F13/16
CPC分类号： G06F3/0619 , G06F3/0608 , G06F3/061 , G06F3/0623 , G06F3/0647 , G06F3/0652 , G06F3/0659 , G06F3/067 , G06F3/0679 , G06F3/0685 , G06F3/0688 , G06F11/1076 , G06F12/0246 , G06F12/1009 , G06F13/1626 , G06F2206/1014 , G06F2212/2022 , G06F2212/7201 , H03M13/154
摘要： A method of applying scheduling policies is provided. The method includes distributing user data throughout a plurality of storage nodes through erasure coding, wherein the plurality of storage nodes are housed within a single chassis coupling the storage nodes as a cluster. The method includes receiving operations relating to a non-volatile memory of one of the plurality of storage nodes into a plurality of operation queues. The method includes evaluating each of the operations in the plurality of operation queues as to benefit to the non-volatile solid-state storage according to a plurality of policies. For each channel of a plurality of channels coupling the operation queues to the non-volatile memory, the method includes iterating a selection and an execution of a next operation from the plurality of operation queues, with each next operation having a greater benefit than at least a subset of operations remaining in the operation queues.
摘要翻译：提供了一种应用调度策略的方法。该方法包括通过擦除编码在多个存储节点中分配用户数据，其中多个存储节点被容纳在将存储节点耦合为一个簇的单个机架中。该方法包括将与多个存储节点之一的非易失性存储器相关的操作接收到多个操作队列中。该方法包括评估多个操作队列中的每个操作，以便根据多个策略使非易失性固态存储器受益。对于将操作队列耦合到非易失性存储器的多个通道中的每个通道，该方法包括从多个操作队列中迭代选择和执行下一操作，其中每个下一操作具有比至少操作队列中剩余的一组操作。

6. 发明申请

US20160004479A1 Scheduling Policy for Queues in a Non-Volatile Solid-State Storage 审中-公开
标题翻译：非易失性固态存储中队列的调度策略
公开(公告)号：US20160004479A1
公开(公告)日：2016-01-07
申请号：US14523719
申请日：2014-10-24
申请人： Pure Storage, Inc.
发明人： John Hayes , Shantanu Gupta , John Davis , Brian Gold , Zhangxi Tan
IPC分类号： G06F3/06
CPC分类号： G06F3/0619 , G06F3/0608 , G06F3/061 , G06F3/0623 , G06F3/0647 , G06F3/0652 , G06F3/0659 , G06F3/067 , G06F3/0679 , G06F3/0685 , G06F3/0688 , G06F11/1076 , G06F12/0246 , G06F12/1009 , G06F13/1626 , G06F2206/1014 , G06F2212/2022 , G06F2212/7201 , H03M13/154
摘要： A method of applying scheduling policies is provided. The method includes distributing user data throughout a plurality of storage nodes through erasure coding, wherein the plurality of storage nodes are housed within a single chassis coupling the storage nodes as a cluster. The method includes receiving operations relating to a non-volatile memory of one of the plurality of storage nodes into a plurality of operation queues. The method includes evaluating each of the operations in the plurality of operation queues as to benefit to the non-volatile solid-state storage according to a plurality of policies. For each channel of a plurality of channels coupling the operation queues to the non-volatile memory, the method includes iterating a selection and an execution of a next operation from the plurality of operation queues, with each next operation having a greater benefit than at least a subset of operations remaining in the operation queues.
摘要翻译：提供了一种应用调度策略的方法。该方法包括通过擦除编码在多个存储节点中分配用户数据，其中多个存储节点被容纳在将存储节点耦合为一个簇的单个机架中。该方法包括将与多个存储节点之一的非易失性存储器相关的操作接收到多个操作队列中。该方法包括评估多个操作队列中的每个操作，以便根据多个策略使非易失性固态存储器受益。对于将操作队列耦合到非易失性存储器的多个通道中的每个通道，该方法包括从多个操作队列中迭代选择和执行下一操作，其中每个下一操作具有比至少操作队列中剩余的一组操作。

7. 发明授权

US09110789B1 Nonrepeating identifiers in an address space of a non-volatile solid-state storage 有权
标题翻译：非易失性固态存储器的地址空间中的非重复标识符
公开(公告)号：US09110789B1
公开(公告)日：2015-08-18
申请号：US14519004
申请日：2014-10-20
申请人： Pure Storage, Inc.
发明人： John Hayes , Shantanu Gupta , John Davis , Brian Gold , Zhangxi Tan
IPC分类号： G06F12/00 , G06F13/00 , G06F12/02
CPC分类号： G06F12/0246 , G06F3/061 , G06F3/0638 , G06F3/0683 , G06F3/0688 , G06F2212/7201
摘要： A method of applying an address space to data storage in a non-volatile solid-state storage is provided. The method includes receiving a plurality of portions of user data for storage in the non-volatile solid-state storage and assigning to each successive one of the plurality of portions of user data one of a plurality of sequential, nonrepeating addresses of an address space. The address range of the address space exceeds a maximum number of addresses expected to be applied during a lifespan of the non-volatile solid-state storage. The method includes writing each of the plurality of portions of user data to the non-volatile solid-state storage such that each of the plurality of portions of user data is identified and locatable for reading via the one of the plurality of sequential, nonrepeating addresses of the address space.
摘要翻译：提供了一种将地址空间应用于非易失性固态存储器中的数据存储的方法。该方法包括接收多个用户数据部分以存储在非易失性固态存储器中，并且向用户数据的多个部分中的每个连续的一个部分分配地址空间的多个顺序的不重复的地址之一。地址空间的地址范围超过在非易失性固态存储器的寿命期间期望应用的最大地址数量。该方法包括将用户数据的多个部分中的每一个写入到非易失性固态存储器中，使得用户数据的多个部分中的每一个被识别并可定位用于通过多个顺序的非重复地址中的一个进行读取的地址空间。

8. 发明申请

US20200319798A1 SEGMENT LEVEL HETEROGENEITY 审中-公开
公开(公告)号：US20200319798A1
公开(公告)日：2020-10-08
申请号：US16374653
申请日：2019-04-03
申请人： Pure Storage, Inc.
发明人： Shantanu Gupta , Sankara Vaideeswaran , Ding Zou , Wing-Yin Chan , Robert Lee
IPC分类号： G06F3/06 , G06F11/10 , G06F12/02
摘要： A method of operating a storage system having solid-state storage memory with segment level heterogeneity is provided. The method includes mapping data into data segments, and mapping the data segments into data stripes. The method includes writing a first data stripe from a first data segment across a first plurality of blades of the storage system comprising heterogeneous total amounts of the solid-state storage memory per blade, and writing a second data stripe from the first data segment across a second plurality of blades of the storage system.

9. 发明申请

US20170075782A1 MECHANISM FOR PERSISTING MESSAGES IN A STORAGE SYSTEM 审中-公开
标题翻译：存储系统中消息的机制
公开(公告)号：US20170075782A1
公开(公告)日：2017-03-16
申请号：US15332321
申请日：2016-10-24
申请人： Pure Storage, Inc.
发明人： John Davis , Brian Gold , Shantanu Gupta , John Hayes , Robert Lee , Igor Ostrovsky , Rusty Sears
IPC分类号： G06F11/20 , G06F3/06
CPC分类号： G06F11/2069 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/067 , G06F3/0683 , G06F3/0688 , G06F11/1016 , G06F11/1092 , G06F11/1435 , G06F11/1451 , G06F11/2094 , G06F12/0638 , G06F2201/805 , G06F2201/82 , G06F2201/84 , G06F2212/205
摘要： A plurality of storage nodes is provided. Each of the plurality of storage nodes includes nonvolatile solid-state memory for user data storage. The plurality of storage nodes is configured to distribute the user data and metadata associated with the user data throughout the plurality of storage nodes such that the plurality of storage nodes maintain the ability to read the user data, using erasure coding, despite a loss of two of the plurality of storage nodes. The plurality of storage nodes is configured to initiate an action based on the redundant copies of the metadata, responsive to achieving a level of redundancy for the redundant copies of the metadata. A method for accessing user data in a plurality of storage nodes having nonvolatile solid-state memory is also provided.
摘要翻译：提供多个存储节点。多个存储节点中的每一个包括用于用户数据存储的非易失性固态存储器。多个存储节点被配置为在整个多个存储节点中分配与用户数据相关联的用户数据和元数据，使得多个存储节点使用擦除编码保持读取用户数据的能力，尽管丢失了两个的多个存储节点。响应于实现元数据的冗余副本的冗余级别，多个存储节点被配置为基于元数据的冗余副本来发起动作。还提供了一种用于访问具有非易失性固态存储器的多个存储节点中的用户数据的方法。

10. 发明授权

US09477554B2 Mechanism for persisting messages in a storage system 有权
公开(公告)号：US09477554B2
公开(公告)日：2016-10-25
申请号：US14679367
申请日：2015-04-06
申请人： Pure Storage, Inc.
发明人： John Hayes , Igor Ostrovsky , Robert Lee , Shantanu Gupta , Rusty Sears , John Davis , Brian Gold
IPC分类号： G06F11/10 , G06F12/06 , G06F11/14 , G06F3/06
CPC分类号： G06F11/2069 , G06F3/0619 , G06F3/064 , G06F3/065 , G06F3/067 , G06F3/0683 , G06F3/0688 , G06F11/1016 , G06F11/1092 , G06F11/1435 , G06F11/1451 , G06F11/2094 , G06F12/0638 , G06F2201/805 , G06F2201/82 , G06F2201/84 , G06F2212/205
摘要： A plurality of storage nodes in a single chassis is provided. The plurality of storage nodes in the single chassis is configured to communicate together as a storage cluster. Each of the plurality of storage nodes includes nonvolatile solid-state memory for user data storage. The plurality of storage nodes is configured to distribute the user data and metadata associated with the user data throughout the plurality of storage nodes such that the plurality of storage nodes maintain the ability to read the user data, using erasure coding, despite a loss of two of the plurality of storage nodes. The plurality of storage nodes configured to initiate an action based on the redundant copies of the metadata, responsive to achieving a level of redundancy for the redundant copies of the metadata. A method for accessing user data in a plurality of storage nodes having nonvolatile solid-state memory is also provided.

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