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1. 发明授权

US09195412B2 System and method for transforming an in-use raid array including migrating data using reserved extents 有权
标题翻译：用于转换使用中的raid阵列的系统和方法，包括使用预留区域迁移数据
公开(公告)号：US09195412B2
公开(公告)日：2015-11-24
申请号：US13878061
申请日：2011-08-31
申请人： Joanna K. Brown , Matthew J. Fairhurst , William J. Scales , Mark B. Thomas
发明人： Joanna K. Brown , Matthew J. Fairhurst , William J. Scales , Mark B. Thomas
IPC分类号： G06F3/06 , G06F11/10
CPC分类号： G06F3/0604 , G06F3/0608 , G06F3/061 , G06F3/0614 , G06F3/0632 , G06F3/0659 , G06F3/0689 , G06F11/1096
摘要： A system is provided for transforming an in-use RAID array from a first array configuration having a first parameter to a second array configuration having a second parameter while preserving a logical data structure of the RAID array. The system includes an extent reservation component, and a data migration component for reading unmigrated data from an area of an array arranged according to the first array configuration and writing the data to an area of the array arranged according to the second array configuration using reserved extents to store migrated data. The system also includes a first I/O component for performing I/O according to the first array configuration on unmigrated data prior to its reading by the data migration component, and a second I/O component for performing I/O according to the second array configuration on the migrated data after writing the migrated data.
摘要翻译：提供一种系统，用于将具有第一参数的第一阵列配置的使用中的RAID阵列转换为具有第二参数的第二阵列配置，同时保留RAID阵列的逻辑数据结构。该系统包括盘区预约部件和用于从根据第一阵列配置布置的阵列的区域读取未移位数据的数据迁移组件，并且使用预留盘区将数据写入根据第二阵列配置布置的阵列的区域以存储迁移的数据。该系统还包括第一I / O组件，用于在数据迁移组件读取之前根据第一阵列配置来执行I / O，以及用于根据第二I / O组件执行I / O的第二I / O组件写入迁移后的数据后迁移的数据的阵列配置。

2. 发明申请

US20100005374A1 Ensuring Data Consistency 有权
标题翻译：确保数据一致性
公开(公告)号：US20100005374A1
公开(公告)日：2010-01-07
申请号：US12489832
申请日：2009-06-23
申请人： Joanna K. Brown , Matthew J. Fairhurst , Mark B. Thomas
发明人： Joanna K. Brown , Matthew J. Fairhurst , Mark B. Thomas
IPC分类号： H03M13/09 , G06F11/10
CPC分类号： H03M13/098 , G06F11/1076 , G06F2211/1088
摘要： Mechanisms for ensuring data consistency in a data store are provided. The mechanisms access a parity scrub factor f and perform a check on a data group of the data store. The check on the data group includes performing a parity check on a portion of the data group, the portion being equal to 1/f of the data group, and performing a data verify on the remainder of the data group. The performing of the check is repeated for the entire data store. An offset factor is used to select the portion of the data group for the parity check. In this case, the offset factor may be incremented when the performance of the check on the data group of the data store has been repeated for the entire data store.
摘要翻译：提供了确保数据存储中的数据一致性的机制。机制访问奇偶校验因子f并对数据存储的数据组执行检查。对数据组的检查包括对数据组的一部分执行奇偶校验，该部分等于数据组的1 / f，并对数据组的其余部分执行数据验证。对整个数据存储重复执行检查。偏移因子用于选择奇偶校验的数据组部分。在这种情况下，当对整个数据存储器重复执行数据存储的数据组的检查时，可以增加偏移因子。

3. 发明申请

US20130205086A1 RAID Array Transformation 有权
标题翻译： RAID阵列转换
公开(公告)号：US20130205086A1
公开(公告)日：2013-08-08
申请号：US13878061
申请日：2011-08-31
申请人： Joanna K. Brown , Matthew J. Fairhurst , William J. Scales , Mark B. Thomas
发明人： Joanna K. Brown , Matthew J. Fairhurst , William J. Scales , Mark B. Thomas
IPC分类号： G06F3/06
CPC分类号： G06F3/0604 , G06F3/0608 , G06F3/061 , G06F3/0614 , G06F3/0632 , G06F3/0659 , G06F3/0689 , G06F11/1096
摘要： Transforming an in-use RAID array from a first array configuration having a first parameter to a second array configuration having a second parameter while preserving the logical data structure. An extent reservation component and data migration component are provided for reading unmigrated data from an area of an array arranged according to the first array configuration and writing the data to an area of the array arranged according to the second array configuration using reserved extents to store first migrated data and using further extents to store second migrated data. A first I/O component for performing I/O according to the first array configuration on unmigrated data prior to its reading by the data migration component is provided along with a second I/O component for performing I/O according to the second array configuration on the first migrated data and the second migrated data after its writing by the data migration component.
摘要翻译：将具有第一参数的第一阵列配置的使用中的RAID阵列转换为具有第二参数的第二阵列配置，同时保留逻辑数据结构。提供盘区预约部件和数据迁移部件，用于从根据第一阵列配置布置的阵列的区域读取未移位的数据，并且使用预定的盘区将数据写入根据第二阵列配置布置的阵列的区域以首先存储迁移的数据并使用进一步的扩展来存储第二个迁移的数据。根据第一阵列配置在由数据迁移组件读取之前对未迁移数据执行I / O的第一I / O组件与用于根据第二阵列配置执行I / O的第二I / O组件一起提供在数据迁移组件写入之后的第一个迁移数据和第二个迁移的数据。

4. 发明授权

US08347182B2 Ensuring data consistency 有权
标题翻译：确保数据一致性
公开(公告)号：US08347182B2
公开(公告)日：2013-01-01
申请号：US12489832
申请日：2009-06-23
申请人： Joanna K. Brown , Matthew J. Fairhurst , Mark B. Thomas
发明人： Joanna K. Brown , Matthew J. Fairhurst , Mark B. Thomas
IPC分类号： G06F11/10
CPC分类号： H03M13/098 , G06F11/1076 , G06F2211/1088
摘要： Mechanisms for ensuring data consistency in a data store are provided. The mechanisms access a parity scrub factor f and perform a check on a data group of the data store. The check on the data group includes performing a parity check on a portion of the data group, the portion being equal to 1/f of the data group, and performing a data verify on the remainder of the data group. The performing of the check is repeated for the entire data store. An offset factor is used to select the portion of the data group for the parity check. In this case, the offset factor may be incremented when the performance of the check on the data group of the data store has been repeated for the entire data store.
摘要翻译：提供了确保数据存储中的数据一致性的机制。机制访问奇偶校验因子f并对数据存储的数据组执行检查。对数据组的检查包括对数据组的一部分执行奇偶校验，该部分等于数据组的1 / f，并对数据组的其余部分执行数据验证。对整个数据存储重复执行检查。偏移因子用于选择奇偶校验的数据组部分。在这种情况下，当对整个数据存储器重复执行数据存储的数据组的检查时，可以增加偏移因子。

5. 发明授权

US08677066B2 Raid array transformation in a pooled storage system 失效
标题翻译：集群存储系统中的RAID阵列转换
公开(公告)号：US08677066B2
公开(公告)日：2014-03-18
申请号：US13223160
申请日：2011-08-31
申请人： John P. Agombar , Matthew J. Fairhurst , John E. Lindley , Lee J. Sanders
发明人： John P. Agombar , Matthew J. Fairhurst , John E. Lindley , Lee J. Sanders
IPC分类号： G06F12/00
CPC分类号： G06F3/0619 , G06F3/061 , G06F3/0647 , G06F3/0665 , G06F3/0689 , G06F11/1076
摘要： In one embodiment, a method includes reserving extents in a storage pool, reading data from a first portion of an in-use RAID arranged according to a first array configuration, using the reserved extents in the storage pool to store a first portion of the data for writing to the in-use RAID, using one or more free extents in the storage pool or in the in-use RAID to store a second portion of the data for writing to the in-use RAID, writing the data to a second portion of the in-use RAID arranged according to a second array configuration, performing one or more first I/O operations according to the first array configuration, wherein the one or more first I/O operations are performed on the data before the data is read by the data migrating component, and performing one or more second I/O operations according to the second array configuration.
摘要翻译：在一个实施例中，一种方法包括：将存储池中的盘区预留，使用存储池中的预留盘区从根据第一阵列配置排列的使用中的RAID的第一部分读取数据，以存储数据的第一部分用于向使用中的RAID写入，使用存储池或使用中的RAID中的一个或多个可用区段来存储用于写入到使用中的RAID的数据的第二部分，将数据写入第二部分根据第二阵列配置布置的使用中RAID，根据第一阵列配置执行一个或多个第一I / O操作，其中在数据被读取之前对数据执行一个或多个第一I / O操作由数据迁移组件执行，并且根据第二阵列配置执行一个或多个第二I / O操作。

6. 发明申请

US20120089867A1 REDUNDANT ARRAY OF INDEPENDENT DISK (RAID) STORAGE RECOVERY 有权
标题翻译：冗余盘（RAID）存储恢复冗余阵列
公开(公告)号：US20120089867A1
公开(公告)日：2012-04-12
申请号：US13251037
申请日：2011-09-30
申请人： Eric J. Bartlett , Matthew J. Fairhurst , William J. Scales
发明人： Eric J. Bartlett , Matthew J. Fairhurst , William J. Scales
IPC分类号： G06F11/16
CPC分类号： G06F11/2094 , G06F3/0619 , G06F3/065 , G06F3/0689 , G06F11/1088 , G06F11/1645 , G06F11/2092 , G06F2201/805
摘要： In one embodiment, a system includes a storage subsystem having an array of storage devices; a receiving component for receiving an error message; a determining component for determining that the error message indicates that a storage device has failed; a collecting component for collecting an array record having storage device characteristics of the failed storage device; a collating component for collating a candidate record having a plurality of candidate entries; a comparing component for comparing storage device characteristics of the failed storage device of the array record with the storage device characteristics of each of the candidate entries; and an identifying component for identifying a first candidate storage device having storage device characteristics that match the storage device characteristics of the failed storage device or a second candidate storage device having storage device characteristics most similar to the storage device characteristics of the failed storage device.
摘要翻译：在一个实施例中，系统包括具有存储设备阵列的存储子系统; 用于接收错误消息的接收组件; 用于确定所述错误消息指示存储设备已经失败的确定组件; 用于收集具有所述故障存储设备的存储设备特性的阵列记录的收集组件; 用于对准具有多个候选条目的候选记录的对照组件; 用于比较阵列记录的故障存储装置的存储装置特性与每个候选条目的存储装置特性的比较部件; 以及识别组件，用于识别具有与故障存储设备的存储设备特性匹配的存储设备特性的第一候选存储设备或具有与故障存储设备的存储设备特性最相似的存储设备特性的第二候选存储设备。

7. 发明申请

US20070234148A1 Early Detection of Storage Device Degradation 有权
标题翻译：存储设备降级的早期检测
公开(公告)号：US20070234148A1
公开(公告)日：2007-10-04
申请号：US11669150
申请日：2007-01-30
申请人： Matthew J. Fairhurst , Thomas W. Rickard
发明人： Matthew J. Fairhurst , Thomas W. Rickard
IPC分类号： G01R31/28
CPC分类号： G06F11/2097 , G06F11/004 , G06F11/2069 , G06F11/2082 , G06F11/2094 , G11C29/74 , G11C29/88 , G11C2029/0409
摘要： An apparatus operable with a host and a data storage component for detecting a storage device susceptible to failure under I/O workload is provided. The apparatus includes a selector component for selecting a pair of storage devices in the data storage component. A data migration control component is provided for initiating migration of data from a first to a second storage device of the pair of storage devices. An I/O workload mirroring component is provided for mirroring an I/O workload from a first of the pair of storage devices to a second of the pair of storage devices. A storage device failure detecting component for detecting failure of one of the pair of storage devices is also included. The selector component further comprises a timer component for periodically initiating the selecting.
摘要翻译：提供了一种可与主机和数据存储组件一起操作的装置，用于检测在I / O工作负载下容易发生故障的存储设备。该装置包括用于选择数据存储部件中的一对存储装置的选择器部件。数据迁移控制组件被提供用于启动数据从该对存储设备中的第一存储设备到第二存储设备的迁移。提供I / O工作负载镜像组件，用于将I / O工作负载从第一对存储设备中的第一对映射到该对存储设备中的第二个。还包括用于检测一对存储装置中的一个存储装置的故障的存储装置故障检测部件。选择器组件还包括用于周期性地启动选择的定时器组件。

8. 发明授权

US09619353B2 Redundant array of independent disk (RAID) storage recovery 有权
公开(公告)号：US09619353B2
公开(公告)日：2017-04-11
申请号：US13251037
申请日：2011-09-30
申请人： Eric J. Bartlett , Matthew J. Fairhurst , William J. Scales
发明人： Eric J. Bartlett , Matthew J. Fairhurst , William J. Scales
IPC分类号： G06F11/00 , G06F11/20 , G06F11/16 , G06F3/06 , G06F11/10
CPC分类号： G06F11/2094 , G06F3/0619 , G06F3/065 , G06F3/0689 , G06F11/1088 , G06F11/1645 , G06F11/2092 , G06F2201/805
摘要： In one embodiment, a system includes a storage subsystem having an array of storage devices; a receiving component for receiving an error message; a determining component for determining that the error message indicates that a storage device has failed; a collecting component for collecting an array record having storage device characteristics of the failed storage device; a collating component for collating a candidate record having a plurality of candidate entries; a comparing component for comparing storage device characteristics of the failed storage device of the array record with the storage device characteristics of each of the candidate entries; and an identifying component for identifying a first candidate storage device having storage device characteristics that match the storage device characteristics of the failed storage device or a second candidate storage device having storage device characteristics most similar to the storage device characteristics of the failed storage device.

9. 发明授权

US09086970B2 Diagnosing entities associated with software components 有权
标题翻译：诊断与软件组件关联的实体
公开(公告)号：US09086970B2
公开(公告)日：2015-07-21
申请号：US13223170
申请日：2011-08-31
申请人： John M. Clifton , Matthew J. Fairhurst
发明人： John M. Clifton , Matthew J. Fairhurst
IPC分类号： G06F11/00 , G06F11/07
CPC分类号： G06F11/302 , G06F11/0727 , G06F11/079 , G06F11/3409
摘要： In one embodiment, a system includes a recording module adapted for recording event history information for one or more events associated with an entity, an evaluating module adapted for evaluating the event history information for each of the one or more events associated with the entity against a symptom rule, wherein the symptom rule defines a validity state of a diagnosis, an issuing module adapted for issuing a subscription to one or more subscribers, wherein the subscription enables the one or more subscribers to receive diagnosis information, and an indicating module adapted for indicating the validity state of the diagnosis to the subscriber, wherein the recording module and the evaluating module are independent such that the issuing module and the event history information are substantially decoupled. Other systems and computer program products are also described, according to various embodiments.
摘要翻译：在一个实施例中，系统包括适于记录与实体相关联的一个或多个事件的事件历史信息的记录模块，适于针对与所述实体相关联的一个或多个事件中的每一个评估事件历史信息的评估模块症状规则，其中所述症状规则定义诊断的有效性状态，所述发布模块适于发布对一个或多个订阅者的订阅，其中所述订阅使所述一个或多个订阅者能够接收诊断信息，以及指示模块，对用户的诊断的有效状态，其中记录模块和评估模块是独立的，使得发布模块和事件历史信息基本上是去耦合的。根据各种实施例，还描述了其它系统和计算机程序产品。

10. 发明授权

US08826065B2 Methods for redundant array of independent disk (RAID) storage recovery 有权
标题翻译：独立磁盘（RAID）存储恢复冗余阵列的方法
公开(公告)号：US08826065B2
公开(公告)日：2014-09-02
申请号：US13484192
申请日：2012-05-30
申请人： Eric J. Bartlett , Matthew J. Fairhurst , William J. Scales
发明人： Eric J. Bartlett , Matthew J. Fairhurst , William J. Scales
IPC分类号： G06F11/00
CPC分类号： G06F11/2094 , G06F3/0619 , G06F3/065 , G06F3/0689 , G06F11/1088 , G06F11/1645 , G06F11/2092 , G06F2201/805
摘要： A method for managing storage devices in a storage subsystem having an array of storage devices includes receiving an error message; determining that the error message indicates that at least one storage device in the array of storage devices has failed; collecting an array record comprising storage device characteristics of the failed storage device in response to determining that the error message indicates that at least one storage device has failed; collating a candidate record comprising a plurality of candidate entries; comparing storage device characteristics of the failed storage device of the array record with the storage device characteristics of each of the candidate entries; identifying a first candidate storage device having storage device characteristics that match the storage device characteristics of the failed storage device; and identifying a second candidate storage device having storage device characteristics most similar to the storage device characteristics of the failed storage device.
摘要翻译：一种用于管理具有存储设备阵列的存储子系统中的存储设备的方法包括：接收错误消息; 确定所述错误消息指示所述存储设备阵列中的至少一个存储设备已经失败; 响应于确定所述错误消息指示至少一个存储设备已经失败，收集包括所述故障存储设备的存储设备特性的阵列记录; 整理包括多个候选条目的候选记录; 将阵列记录的故障存储设备的存储设备特性与每个候选条目的存储设备特性进行比较; 识别具有与所述故障存储设备的存储设备特性匹配的存储设备特性的第一候选存储设备; 以及识别具有与所述故障存储设备的存储设备特性最相似的存储设备特性的第二候选存储设备。

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