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1. 发明申请

US20120102265A1 Aggregation of Write Traffic to a Data Store 有权
标题翻译：写数据到数据存储的聚合
公开(公告)号：US20120102265A1
公开(公告)日：2012-04-26
申请号：US13343985
申请日：2012-01-05
申请人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
发明人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
IPC分类号： G06F12/02
CPC分类号： G06F12/121 , G06F3/0611 , G06F3/0656 , G06F3/0673 , G06F11/1435 , G06F11/1471 , G06F12/0638 , G06F2212/2022 , G06F2212/205 , G06F2212/221 , G06F2212/2228 , G11C7/1006
摘要： A method and a processing device are provided for sequentially aggregating data to a write log included in a volume of a random-access medium. When data of a received write request is determined to be suitable for sequentially aggregating to a write log, the data may be written to the write log and a remapping tree, for mapping originally intended destinations on the random-access medium to one or more corresponding entries in the write log, may be maintained and updated. At time periods, a checkpoint may be written to the write log. The checkpoint may include information describing entries of the write log. One or more of the checkpoints may be used to recover the write log, at least partially, after a dirty shutdown. Entries of the write log may be drained to respective originally intended destinations upon an occurrence of one of a number of conditions.
摘要翻译：提供了一种方法和处理装置，用于将数据顺序地聚合到包括在随机存取介质的卷中的写入日志。当接收到的写入请求的数据被确定为适合于顺序聚合到写入日志时，数据可被写入写入日志和重新映射树，用于将随机访问介质上的原始目的地映射到一个或多个相应的写入日志中的条目可以被维护和更新。在时间段，检查点可能被写入写日志。检查点可以包括描述写入日志的条目的信息。一个或多个检查点可用于在脏关闭后至少部分恢复写入日志。在发生多个条件之一时，写入日志的条目可以被排放到相应的原始目的地。

2. 发明授权

US08108450B2 Aggregation of write traffic to a data store 有权
标题翻译：将流量汇总到数据存储
公开(公告)号：US08108450B2
公开(公告)日：2012-01-31
申请号：US13087927
申请日：2011-04-15
申请人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
发明人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
IPC分类号： G06F17/30
CPC分类号： G06F12/121 , G06F3/0611 , G06F3/0656 , G06F3/0673 , G06F11/1435 , G06F11/1471 , G06F12/0638 , G06F2212/2022 , G06F2212/205 , G06F2212/221 , G06F2212/2228 , G11C7/1006
摘要： A method and a processing device are provided for sequentially aggregating data to a write log included in a volume of a random-access medium. When data of a received write request is determined to be suitable for sequentially aggregating to a write log, the data may be written to the write log and a remapping tree, for mapping originally intended destinations on the random-access medium to one or more corresponding entries in the write log, may be maintained and updated. At time periods, a checkpoint may be written to the write log. The checkpoint may include information describing entries of the write log. One or more of the checkpoints may be used to recover the write log, at least partially, after a dirty shutdown. Entries of the write log may be drained to respective originally intended destinations upon an occurrence of one of a number of conditions.
摘要翻译：提供了一种方法和处理装置，用于将数据顺序地聚合到包括在随机存取介质的卷中的写入日志。当接收到的写入请求的数据被确定为适合于顺序聚合到写入日志时，数据可被写入写入日志和重新映射树，用于将随机访问介质上的原始目的地映射到一个或多个相应的写入日志中的条目可以被维护和更新。在时间段，检查点可能被写入写日志。检查点可以包括描述写入日志的条目的信息。一个或多个检查点可用于在脏关闭后至少部分恢复写入日志。在发生多个条件之一时，写入日志的条目可以被排放到相应的原始目的地。

3. 发明申请

US20110197016A1 Aggregation of Write Traffic to a Data Store 有权
标题翻译：写数据到数据存储的聚合
公开(公告)号：US20110197016A1
公开(公告)日：2011-08-11
申请号：US13087927
申请日：2011-04-15
申请人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
发明人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
IPC分类号： G06F12/02
CPC分类号： G06F12/121 , G06F3/0611 , G06F3/0656 , G06F3/0673 , G06F11/1435 , G06F11/1471 , G06F12/0638 , G06F2212/2022 , G06F2212/205 , G06F2212/221 , G06F2212/2228 , G11C7/1006
摘要： A method and a processing device are provided for sequentially aggregating data to a write log included in a volume of a random-access medium. When data of a received write request is determined to be suitable for sequentially aggregating to a write log, the data may be written to the write log and a remapping tree, for mapping originally intended destinations on the random-access medium to one or more corresponding entries in the write log, may be maintained and updated. At time periods, a checkpoint may be written to the write log. The checkpoint may include information describing entries of the write log. One or more of the checkpoints may be used to recover the write log, at least partially, after a dirty shutdown. Entries of the write log may be drained to respective originally intended destinations upon an occurrence of one of a number of conditions.
摘要翻译：提供了一种方法和处理装置，用于将数据顺序地聚合到包括在随机存取介质的卷中的写入日志。当接收到的写入请求的数据被确定为适合于顺序聚合到写入日志时，数据可被写入写入日志和重新映射树，用于将随机访问介质上的原始目的地映射到一个或多个相应的写入日志中的条目可以被维护和更新。在时间段，检查点可能被写入写日志。检查点可以包括描述写入日志的条目的信息。一个或多个检查点可用于在脏关闭后至少部分恢复写入日志。在发生多个条件之一时，写入日志的条目可以被排放到相应的原始目的地。

4. 发明授权

US08037033B2 Log manager for aggregating data 有权
标题翻译：日志管理器用于聚合数据
公开(公告)号：US08037033B2
公开(公告)日：2011-10-11
申请号：US12235080
申请日：2008-09-22
申请人： Shi Cong , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
发明人： Shi Cong , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
IPC分类号： G06F17/30
CPC分类号： G06F3/0656 , G06F3/0611 , G06F3/0673
摘要： A processing device and a machine-implemented method may be provided for sequentially aggregating, or writing, data to a log included in a data store. The log may store multiple log entries. Each of the log entries may include an entry metadata portion, describing a respective log entry, and an entry payload data portion. The entry metadata portion may include a log sequence number, corresponding to a log entry at a particular position in the log. A library of log-related processes may be provided, along with an application program interface to permit a calling application program to call any of the log related processes. The log-related processes may be called during a boot mode, a user mode, and a kernel mode.
摘要翻译：可以提供处理装置和机器实现的方法，用于将数据顺序地聚合或写入数据存储中包括的日志。该日志可以存储多个日志条目。每个日志条目可以包括条目元数据部分，描述相应的日志条目和条目有效载荷数据部分。条目元数据部分可以包括对应于日志中特定位置处的日志条目的日志序列号。可以提供与日志相关的过程的库，以及应用程序接口，以允许调用应用程序调用任何日志相关进程。可以在引导模式，用户模式和内核模式期间调用日志相关进程。

5. 发明授权

US07953774B2 Aggregation of write traffic to a data store 有权
标题翻译：将流量汇总到数据存储
公开(公告)号：US07953774B2
公开(公告)日：2011-05-31
申请号：US12234411
申请日：2008-09-19
申请人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
发明人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
IPC分类号： G06F17/30
CPC分类号： G06F12/121 , G06F3/0611 , G06F3/0656 , G06F3/0673 , G06F11/1435 , G06F11/1471 , G06F12/0638 , G06F2212/2022 , G06F2212/205 , G06F2212/221 , G06F2212/2228 , G11C7/1006
摘要： A method and a processing device are provided for sequentially aggregating data to a write log included in a volume of a random-access medium. When data of a received write request is determined to be suitable for sequentially aggregating to a write log, the data may be written to the write log and a remapping tree, for mapping originally intended destinations on the random-access medium to one or more corresponding entries in the write log, may be maintained and updated. At time periods, a checkpoint may be written to the write log. The checkpoint may include information describing entries of the write log. One or more of the checkpoints may be used to recover the write log, at least partially, after a dirty shutdown. Entries of the write log may be drained to respective originally intended destinations upon an occurrence of one of a number of conditions.
摘要翻译：提供了一种方法和处理装置，用于将数据顺序地聚合到包括在随机存取介质的卷中的写入日志。当接收到的写入请求的数据被确定为适合于顺序聚合到写入日志时，数据可被写入写入日志和重新映射树，用于将随机访问介质上的原始目的地映射到一个或多个相应的写入日志中的条目可以被维护和更新。在时间段，检查点可能被写入写日志。检查点可以包括描述写入日志的条目的信息。一个或多个检查点可用于在脏关闭后至少部分恢复写入日志。在发生多个条件之一时，写入日志的条目可以被排放到相应的原始目的地。

6. 发明申请

US20100082918A1 LOG MANAGER FOR AGGREGATING DATA 有权
标题翻译：记录数据的管理员
公开(公告)号：US20100082918A1
公开(公告)日：2010-04-01
申请号：US12235080
申请日：2008-09-22
申请人： Shi Cong , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
发明人： Shi Cong , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F3/0656 , G06F3/0611 , G06F3/0673
摘要： A processing device and a machine-implemented method may be provided for sequentially aggregating, or writing, data to a log included in a data store. The log may store multiple log entries. Each of the log entries may include an entry metadata portion, describing a respective log entry, and an entry payload data portion. The entry metadata portion may include a log sequence number, corresponding to a log entry at a particular position in the log. A library of log-related processes may be provided, along with an application program interface to permit a calling application program to call any of the log related processes. The log-related processes may be called during a boot mode, a user mode, and a kernel mode.
摘要翻译：可以提供处理装置和机器实现的方法，用于将数据顺序地聚合或写入数据存储中包括的日志。该日志可以存储多个日志条目。每个日志条目可以包括条目元数据部分，描述相应的日志条目和条目有效载荷数据部分。条目元数据部分可以包括对应于日志中特定位置处的日志条目的日志序列号。可以提供与日志相关的过程的库，以及应用程序接口，以允许调用应用程序调用任何日志相关进程。可以在引导模式，用户模式和内核模式期间调用日志相关进程。

7. 发明授权

US09448890B2 Aggregation of write traffic to a data store 有权
标题翻译：将流量汇总到数据存储
公开(公告)号：US09448890B2
公开(公告)日：2016-09-20
申请号：US13343985
申请日：2012-01-05
申请人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
发明人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
IPC分类号： G06F17/30 , G06F11/14 , G11C7/10 , G06F3/06
CPC分类号： G06F12/121 , G06F3/0611 , G06F3/0656 , G06F3/0673 , G06F11/1435 , G06F11/1471 , G06F12/0638 , G06F2212/2022 , G06F2212/205 , G06F2212/221 , G06F2212/2228 , G11C7/1006
摘要： A method and a processing device are provided for sequentially aggregating data to a write log included in a volume of a random-access medium. When data of a received write request is determined to be suitable for sequentially aggregating to a write log, the data may be written to the write log and a remapping tree, for mapping originally intended destinations on the random-access medium to one or more corresponding entries in the write log, may be maintained and updated. At time periods, a checkpoint may be written to the write log. The checkpoint may include information describing entries of the write log. One or more of the checkpoints may be used to recover the write log, at least partially, after a dirty shutdown. Entries of the write log may be drained to respective originally intended destinations upon an occurrence of one of a number of conditions.
摘要翻译：提供了一种方法和处理装置，用于将数据顺序地聚合到包括在随机存取介质的卷中的写入日志。当接收到的写入请求的数据被确定为适合于顺序聚合到写入日志时，数据可被写入写入日志和重新映射树，用于将随机访问介质上的原始目的地映射到一个或多个对应的写入日志中的条目可以被维护和更新。在时间段，检查点可能被写入写日志。检查点可以包括描述写入日志的条目的信息。一个或多个检查点可用于在脏关闭后至少部分恢复写入日志。在发生多个条件之一时，写入日志的条目可以被排放到相应的原始目的地。

8. 发明申请

US20100082550A1 AGGREGATION OF WRITE TRAFFIC TO A DATA STORE 有权
标题翻译：将数据存储的写入流量集中到数据存储
公开(公告)号：US20100082550A1
公开(公告)日：2010-04-01
申请号：US12234411
申请日：2008-09-19
申请人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
发明人： Shi Cong , Scott Brender , Karan Mehra , Darren G. Moss , William R. Tipton , Surendra Verma
IPC分类号： G06F12/16 , G06F17/30
CPC分类号： G06F12/121 , G06F3/0611 , G06F3/0656 , G06F3/0673 , G06F11/1435 , G06F11/1471 , G06F12/0638 , G06F2212/2022 , G06F2212/205 , G06F2212/221 , G06F2212/2228 , G11C7/1006
摘要： A method and a processing device are provided for sequentially aggregating data to a write log included in a volume of a random-access medium. When data of a received write request is determined to be suitable for sequentially aggregating to a write log, the data may be written to the write log and a remapping tree, for mapping originally intended destinations on the random-access medium to one or more corresponding entries in the write log, may be maintained and updated. At time periods, a checkpoint may be written to the write log. The checkpoint may include information describing entries of the write log. One or more of the checkpoints may be used to recover the write log, at least partially, after a dirty shutdown. Entries of the write log may be drained to respective originally intended destinations upon an occurrence of one of a number of conditions.
摘要翻译：提供了一种方法和处理装置，用于将数据顺序地聚合到包括在随机存取介质的卷中的写入日志。当接收到的写入请求的数据被确定为适合于顺序聚合到写入日志时，数据可被写入写入日志和重新映射树，用于将随机访问介质上的原始目的地映射到一个或多个相应的写入日志中的条目可以被维护和更新。在时间段，检查点可能被写入写日志。检查点可以包括描述写入日志的条目的信息。一个或多个检查点可用于在脏关闭后至少部分恢复写入日志。在发生多个条件之一时，写入日志的条目可以被排放到相应的原始目的地。

9. 发明授权

US09229809B2 Nonvolatile media journaling of verified data sets 有权
标题翻译：验证数据集的非易失媒体日志记录
公开(公告)号：US09229809B2
公开(公告)日：2016-01-05
申请号：US13229736
申请日：2011-09-11
申请人： Darren Moss , Karan Mehra , Rajeev Nagar , Surendra Verma , Shiv Rajpal
发明人： Darren Moss , Karan Mehra , Rajeev Nagar , Surendra Verma , Shiv Rajpal
IPC分类号： G06F12/16 , G06F11/10 , G06F11/14 , G06F3/06
CPC分类号： G06F11/1076 , G06F3/0613 , G06F3/0646 , G06F11/1471
摘要： The storage of data sets in a storage set (e.g., data sets written to hard disk drives comprising a RAID array) may diminish the performance of the storage set through non-sequential writes, particularly if the storage devices promptly write data sets that are followed by sequentially following data sets. Additionally, storage sets may exhibit inconsistencies due to non-atomic writes of data sets and verifiers (e.g., checksums) and an intervening failure, such as an occurrence of the RAID write hole. Instead, data sets and verifiers may first be written to a stored on the nonvolatile media of a storage device before being committed to the storage set. Such writes may be sequentially written to the journal, irrespective of the locations of the data sets in the storage set; and recovery of a failure may simply involve re-committing the consistent records in the journal to correct incomplete writes to the storage set.
摘要翻译：将数据集存储在存储集中（例如，写入包含RAID阵列的硬盘驱动器的数据集）可能会通过非顺序写入来降低存储集的性能，特别是如果存储设备及时写入遵循的数据集通过顺序跟随数据集。此外，由于数据集和验证器（例如，校验和）的非原子写入以及诸如RAID写入孔的发生的中间故障，存储器组可能表现出不一致。相反，在提交到存储集之前，数据集和验证器可以首先被写入到存储设备的非易失性介质上。这样的写入可以顺序地写入日志，而不管存储集中的数据集的位置如何; 并且恢复故障可能只是简单地涉及在日志中重新提交一致的记录来纠正对存储集的不完整写入。

10. 发明申请

US20130064052A1 EFFICIENT ACCESS TO STORAGE DEVICES WITH USAGE BITMAPS 有权
公开(公告)号：US20130064052A1
公开(公告)日：2013-03-14
申请号：US13230840
申请日：2011-09-12
申请人： Karan Mehra , Surendra Verma , John R. Dietrick
发明人： Karan Mehra , Surendra Verma , John R. Dietrick
IPC分类号： G11B20/12
CPC分类号： G11B20/1217 , G06F3/0611 , G06F3/0652 , G06F3/0673
摘要： Upon receiving a request to allocate a storage region, a storage device may initialize the contents of the storage device to default values (e.g., zero) in order to avoid problems arising from unknown data stored in the locations of the storage region (e.g., upon writing a data set to a location involved in a mirroring relationship, uninitialized data in the corresponding mirror location may result in a mismatch that jeopardizes the written data). However, initializing the storage device may be time-consuming and inefficient. Instead, a usage bitmap may be generated that, for respective location sets of the storage region, indicates whether values exist in the location. A read request may be fulfilled by examining the usage bitmap to determine whether values exist in the specified location, and if not, the default value may be returned without accessing the storage device. Other efficiencies may also be achieved using the usage bitmap.

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