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    ACCESS CONTROL TO A PORTION OF A FILE SYSTEM OBJECT
    1.
    发明申请
    ACCESS CONTROL TO A PORTION OF A FILE SYSTEM OBJECT 审中-公开
    访问文件系统对象的部分

    公开(公告)号：WO2016118177A1

    公开(公告)日：2016-07-28

    申请号：PCT/US2015/022071

    申请日：2015-03-23

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： PHATAK, Anand Satish ,  SRIVILLIPUTTUR MANNARSWAMY, Sandya

    IPC: G06F17/30 ,  G06F21/30

    CPC classification number: G06F21/6227 ,  G06F21/6218 ,  G06F2221/2141

    Abstract: Some examples relate to controlling access to a portion of a file system object. In an example, a request may be received for accessing a portion of a file system object. A determination may be made from an Access Control List (ACL) associated with the file system object whether the request is permitted to access the portion of the file system object, wherein the ACL specifies an access right related to the portion of the file system object. If the request is permitted to access the portion of the file system object, the request may be allowed to access the portion of the file system object.

    Abstract translation: 一些示例涉及控制对文件系统对象的一部分的访问。 在一个示例中，可以接收访问文件系统对象的一部分的请求。 可以从与文件系统对象相关联的访问控制列表（ACL）确定是否允许该请求访问文件系统对象的部分，其中ACL指定与文件系统对象的部分相关的访问权限 。 如果请求被允许访问文件系统对象的部分，则可以允许该请求访问文件系统对象的该部分。

    DYNAMICALLY UPDATING METADATA
    2.
    发明申请
    DYNAMICALLY UPDATING METADATA 审中-公开
    动态更新元数据

    公开(公告)号：WO2016069036A1

    公开(公告)日：2016-05-06

    申请号：PCT/US2015/011586

    申请日：2015-01-15

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： GANJIHAL, Anand A ,  MONDAL, Santigopal ,  R, Anoop Kumar ,  SRIVILLIPUTTUR MANNARSWAMY, Sandya

    IPC: G06F17/30

    CPC classification number: G06F17/30365 ,  G06F17/30073 ,  G06F17/30321

    Abstract: Dynamic updating of metadata associated with a file system is described herein. In accordance with an example, the updating includes creating a shadow file system metadata (FSM) index map in a shadow data block. The shadow data block is associated with a metadata storage of the file system and the metadata storage stores metadata files associated with the file system. The shadow FSM index map is associated with the metadata storage through an index map of the metadata storage, the index map being indicative of the metadata files in the metadata storage. The shadow FSM index map is updated to dynamically update the metadata associated with the file system, in the metadata storage.

    Abstract translation: 本文描述了与文件系统相关联的元数据的动态更新。 根据示例，更新包括在阴影数据块中创建影子文件系统元数据（FSM）索引映射。 阴影数据块与文件系统的元数据存储相关联，并且元数据存储存储与文件系统相关联的元数据文件。 阴影FSM索引映射通过元数据存储的索引映射与元数据存储相关联，索引映射表示元数据存储中的元数据文件。 更新影子FSM索引映射，以在元数据存储中动态更新与文件系统相关联的元数据。

    FILE SYSTEM JOURNALING
    3.
    发明申请
    FILE SYSTEM JOURNALING 审中-公开
    文件系统日志

    公开(公告)号：WO2016060700A1

    公开(公告)日：2016-04-21

    申请号：PCT/US2014/067967

    申请日：2014-12-01

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： MENDEZ, Anton Ajay ,  GOVINDARAJ, Mohan ,  SRIVILLIPUTTUR MANNARSWAMY, Sandya

    IPC: G06F17/30

    CPC classification number: G06F17/30191

    Abstract: The present subject matter relates to file system journaling. In one example upon occurrence of a journal flushing event, a journal working set size is compared with a dynamic journaling threshold. The journal working set size indicates size of aggregated journal entries stored in main memory of a computing system. Further, the aggregated journal entries include a new journal entry created in response to the journal flushing event. Further, the dynamic journaling threshold is based on size of unused space of the main memory. It is further determined whether aggregated journal entries stored in the main memory have to be flushed to a journal in a storage device of the computing system based at least on the comparing. The aggregated journal entries are flushed from the main memory to the journal in the storage device based on the determining.

    Abstract translation: 本主题涉及文件系统日志记录。 在发生日记冲洗事件的一个示例中，将日志工作集大小与动态日志阈值进行比较。 日志工作集大小表示存储在计算系统的主存储器中的聚合日志条目的大小。 此外，汇总的日志条目包括响应日志冲洗事件而创建的新日志条目。 此外，动态日志阈值基于主存储器的未使用空间的大小。 进一步确定，至少基于比较，存储在主存储器中的聚合日志条目是否必须刷新到计算系统的存储设备中的日志。 基于确定，聚合的日记帐分录从主存储器刷新到存储设备中的日志。

    BLOCK PRIORITY INFORMATION
    4.
    发明申请
    BLOCK PRIORITY INFORMATION 审中-公开
    块优先信息

    公开(公告)号：WO2016048314A1

    公开(公告)日：2016-03-31

    申请号：PCT/US2014/057318

    申请日：2014-09-24

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： MILLS, Mark ,  M, Kishore Kumar ,  SRIVILLIPUTTUR MANNARSWAMY, Sandya

    IPC: G06F12/06

    CPC classification number: G06F3/0659 ,  G06F3/0617 ,  G06F3/064 ,  G06F3/0643 ,  G06F3/065 ,  G06F3/0689 ,  G06F11/1076 ,  G06F2211/1059 ,  G06F2211/1088

    Abstract: Example implementations relate to a storage system. An example implementation includes a storage system including a controller coupled to a storage medium. The controller is to receive block priority information from a file system via a communication agent. The block priority information and the file system are associated with the storage medium. Based on the block priority information, the controller is to selectively perform an operation on the storage medium. The operation includes a reconstruction operation, a data scrubbing operation, and a data migration operation.

    Abstract translation: 示例实现涉及存储系统。 示例实现包括包括耦合到存储介质的控制器的存储系统。 控制器通过通信代理从文件系统接收块优先级信息。 块优先级信息和文件系统与存储介质相关联。 基于块优先级信息，控制器选择性地对存储介质进行操作。 该操作包括重建操作，数据擦除操作和数据迁移操作。

    CONSISTENCY CHECK ON NAMESPACE OF AN ONLINE FILE SYSTEM
    5.
    发明申请
    CONSISTENCY CHECK ON NAMESPACE OF AN ONLINE FILE SYSTEM 审中-公开
    一致检查在线文件系统的名称

    公开(公告)号：WO2016130167A1

    公开(公告)日：2016-08-18

    申请号：PCT/US2015/025969

    申请日：2015-04-15

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： RAVEENDRAN, Anoop Kumar ,  MONDAL, Santigopal ,  GANJIHAL, Anand Andaneppa ,  SRIVILLIPUTTUR MANNARSWAMY, Sandya

    IPC: G06F17/30

    CPC classification number: G06F17/3007

    Abstract: Some examples described herein relate to performing a consistency check on namespace of an online file system. In an example, an inode table may be selected from an online file system. A directory inode may be selected in the inode table, and a consistency check may be performed on a dentry of a directory that maps to the selected directory inode. In response to identifying an inconsistency with the dentry, consequent to the consistency check, the dentry may be recorded in a database.

    Abstract translation: 这里描述的一些示例涉及对在线文件系统的命名空间执行一致性检查。 在一个示例中，可以从在线文件系统中选择索引节点表。 可以在索引节点表中选择目录索引节点，并且可以对映射到所选目录索引节点的目录的dentry进行一致性检查。 响应于识别与牙质的不一致，由于一致性检查，牙齿可以记录在数据库中。

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