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1. 发明申请

WO2016023038A1 MASKING DEFECTIVE BITS IN A STORAGE ARRAY 审中-公开
标题翻译：在存储阵列中隐藏有缺陷的位置
公开(公告)号：WO2016023038A1
公开(公告)日：2016-02-11
申请号：PCT/US2015/044522
申请日：2015-08-10
申请人： PURE STORAGE, INC.
发明人： DAVIS, John D , HAYES, John , ZHANGXI, Tan , KANNAN, Hari , MILADINOVIC, Nenad
IPC分类号： G06F11/10 , G06F11/07 , G06F12/02
CPC分类号： G06F11/1012 , G06F11/1008 , G06F12/0246 , G06F12/0646 , G06F12/08 , G11C29/70 , G11C29/76 , G11C29/765 , G11C29/88 , G11C29/883 , G11C29/886 , H03M13/05 , H03M13/09 , H03M13/1102 , H03M13/1515 , H03M13/3761
摘要： A method of failure mapping is provided, including distributing user data throughout a plurality of storage nodes through erasure coding. The plurality of storage nodes are housed within a chassis that couples the storage nodes as a storage cluster. Each of the plurality of storage nodes has a non-volatile solid-state storage with flash memory or other types of non-volatile memory. The user data is accessible via the erasure coding from a remainder of the plurality of storage nodes in event of two of the plurality of storage nodes being unreachable. The method includes determining that a non-volatile memory block in the memory has a defect, generating a mask that indicates the non-volatile memory block and defect, and reading from the non-volatile memory block with application of the mask. The reading and application of the mask are performed by the non-volatile solid-state storage.
摘要翻译：提供了故障映射的方法，包括通过擦除编码在多个存储节点中分发用户数据。多个存储节点被容纳在将存储节点耦合作为存储集群的机箱中。多个存储节点中的每一个具有带闪速存储器或其它类型的非易失性存储器的非易失性固态存储器。在多个存储节点中的两个无法访问的情况下，可以通过来自多个存储节点的其余部分的擦除编码来访问用户数据。该方法包括确定存储器中的非易失性存储器块具有缺陷，产生指示非易失性存储器块和缺陷的掩码，以及应用掩模从非易失性存储器块读取。掩模的读取和应用由非挥发性固态存储器执行。

2. 发明申请

WO2016022918A1 DIE-LEVEL MONITORING IN A STORAGE CLUSTER 审中-公开
标题翻译：存储集群中的电平监控
公开(公告)号：WO2016022918A1
公开(公告)日：2016-02-11
申请号：PCT/US2015/044205
申请日：2015-08-07
申请人： PURE STORAGE, INC.
发明人： DAVIS, John D , HAYES, John , ZHANGXI, Tan , KANNAN, Hari , MILADINOVIC, Nenad
IPC分类号： G06F3/06
CPC分类号： G06F11/1068 , G06F11/076 , G06F11/1048 , G06F12/0246 , G06F17/30194 , G06F17/302 , G06F2212/7207 , G06F2212/7208 , G06F2212/7211 , G11C16/349 , G11C29/44 , G11C29/52 , G11C2029/0409 , G11C2029/0411
摘要： In some embodiments, a method for die-level monitoring 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 chassis that couples the storage nodes. Each of the storage nodes has a non-volatile solid-state storage with non-volatile memory and the user data is accessible via the erasure coding from a remainder of the storage nodes in event of two of the storage nodes being unreachable. The method includes producing diagnostic information that diagnoses the non-volatile memory on a basis of per package, per die, per plane, per block, or per page, the producing performed by each of the plurality of storage nodes. The method includes writing the diagnostic information to a memory in the storage cluster.
摘要翻译：在一些实施例中，提供了一种用于管芯级监视的方法。该方法包括通过擦除编码在多个存储节点中分发用户数据，其中多个存储节点被容纳在耦合存储节点的机箱内。每个存储节点具有具有非易失性存储器的非易失性固态存储器，并且在两个存储节点不可达的情况下，存储节点的其余部分的擦除编码可以访问用户数据。该方法包括基于每个封装，每个芯片，每个平面，每个块或每页，由多个存储节点中的每个存储节点执行的产生来产生诊断信息。该方法包括将诊断信息写入存储集群中的存储器。

3. 发明申请

WO2016023005A1 ERROR RECOVERY IN A STORAGE CLUSTER 审中-公开
标题翻译：存储群集中的错误恢复
公开(公告)号：WO2016023005A1
公开(公告)日：2016-02-11
申请号：PCT/US2015/044370
申请日：2015-08-07
申请人： PURE STORAGE, INC.
发明人： DAVIS, John D , HAYES, John , ZHANGXI, Tan , KANNAN, Hari , MILADINOVIC, Nenad
IPC分类号： G06F11/14 , G06F12/02
CPC分类号： G06F11/2069 , G06F3/0619 , G06F3/064 , G06F3/0689 , G06F11/00 , G06F11/1076 , G06F11/1612 , G06F11/2066 , G06F2201/805 , G06F2201/82
摘要： A plurality of storage nodes within a single chassis is provided. The plurality of storage nodes is configured to communicate together as a storage cluster and has a non-volatile solid-state storage 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, with erasure coding of the user data. The plurality of storage nodes is configured to recover from failure of two of the plurality of storage nodes by applying the erasure coding to the user data from a remainder of the plurality of storage nodes. The plurality of storage nodes is configured to detect an error and engage in an error recovery via one of a processor of one of the plurality of storage nodes, a processor of the non-volatile solid state storage, or the flash memory.
摘要翻译：提供单个机箱内的多个存储节点。多个存储节点被配置为一起作为存储集群通信，并且具有用于用户数据存储的非易失性固态存储。多个存储节点被配置为通过对用户数据的擦除编码来分发与用户数据相关联的用户数据和整个多个存储节点的元数据。多个存储节点被配置为通过从多个存储节点的其余部分向用户数据应用擦除编码来从多个存储节点中的两个存储节点的故障中恢复。多个存储节点被配置为检测错误并通过多个存储节点之一的处理器，非易失性固态存储器的处理器或闪存之一来进行错误恢复。

4. 发明申请

WO2016023003A2 FAILURE MAPPING IN A STORAGE ARRAY 审中-公开
标题翻译：存储阵列中的失败映射
公开(公告)号：WO2016023003A2
公开(公告)日：2016-02-11
申请号：PCT/US2015/044368
申请日：2015-08-07
申请人： PURE STORAGE, INC.
发明人： DAVIS, John D , HAYES, John , ZHANGXI, Tan , KANNAN, Hari , MILADINOVIC, Nenad
IPC分类号： G06F12/16 , G06F12/10 , G06F12/02
CPC分类号： G06F11/1423 , G06F11/1004 , G06F11/1012 , G06F11/1068 , G06F11/108 , G06F11/142 , G06F11/1666 , G06F12/1009 , G06F2201/805 , G06F2201/82 , G06F2212/1032 , G06F2212/202 , G06F2212/466 , G06F2212/7206 , G11C29/00 , G11C29/36 , G11C29/38 , G11C29/44 , G11C29/76 , G11C29/765
摘要： A storage cluster is provided. The storage cluster includes a plurality of storage nodes within a chassis. The plurality of storage nodes has flash memory for storage of user data and is configured to distribute the user data and metadata throughout the plurality of storage nodes such that the storage nodes can access the user data with a failure of two of the plurality of storage nodes. Each of the storage nodes is configured to generate at least one address translation table that maps around defects in the flash memory on one of a per flash package basis, per flash die basis, per flash plane basis, per flash block basis, per flash page basis, or per physical address basis. Each of the plurality of storage nodes is configured to apply the at least one address translation table to write and read accesses of the user data.
摘要翻译：
提供存储群集。存储集群包括机架内的多个存储节点。多个存储节点具有用于存储用户数据的闪存，并且被配置为遍布多个存储节点分发用户数据和元数据，使得存储节点可以访问具有多个存储节点中的两个的故障的用户数据。每个存储节点被配置为生成至少一个地址转换表，其基于每个闪存封装，每个闪存芯片，每个闪存平面，每个闪存块，每个闪存页面中的一个映射闪存中的缺陷基础或每个物理地址的基础上。多个存储节点中的每一个被配置为应用至少一个地址转换表来写入和读取用户数据的访问。

5. 发明申请

WO2016022993A2 ADJUSTABLE ERROR CORRECTION BASED ON MEMORY HEALTH IN A STORAGE UNIT 审中-公开
标题翻译：基于存储单元中的存储器健康的可调整错误校正
公开(公告)号：WO2016022993A2
公开(公告)日：2016-02-11
申请号：PCT/US2015/044355
申请日：2015-08-07
申请人： PURE STORAGE, INC.
发明人： DAVIS, John D , HAYES, John , ZHANGXI, Tan , KANNAN, Hari , MILADINOVIC, Nenad
IPC分类号： G06F11/10 , G06F12/02
CPC分类号： G06F11/1048 , H03M13/1102 , H03M13/1515 , H03M13/353 , H03M13/373 , H03M13/3761
摘要： A method for adjustable error correction in a storage cluster is provided. The method includes determining health of a non-volatile memory of a non-volatile solid-state storage unit of each of a plurality of storage nodes in a storage cluster on a basis of per flash package, per flash die, per flash plane, per flash block, or per flash page. The determining is performed by the storage cluster. The plurality of storage nodes is housed within a chassis that couples the storage nodes as the storage cluster. The method includes adjusting erasure coding across the plurality of storage nodes based on the health of the non-volatile memory and distributing user data throughout the plurality of storage nodes through the erasure coding. The user data is accessible via the erasure coding from a remainder of the plurality of storage nodes if any are unreachable.
摘要翻译：提供了一种用于存储群集中的可调纠错的方法。该方法包括基于每个闪存封装每闪存芯片每闪存平面每个闪存平面来确定存储集群中的多个存储节点中的每一个的非易失性固态存储单元的非易失性存储器的健康状况闪存块或每个闪存页面。确定由存储集群执行。多个存储节点被容纳在将存储节点耦合作为存储簇的机箱中。该方法包括基于非易失性存储器的健康状况来调整跨越多个存储节点的擦除编码，并通过擦除编码在整个多个存储节点中分发用户数据。如果有任何不可访问的，则来自多个存储节点的其余部分的擦除编码可以访问用户数据。

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