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公开(公告)号：US10417181B2
公开(公告)日：2019-09-17
申请号：US15307457
申请日：2014-07-22
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Ramesh Kannan Karuppusamy , Rajkumar Kannan
Abstract: Some examples describe a method for using location addressed storage as content addressed storage (CAS). A checksum of a file may be generated during transition of the file to a retained state. The generated checksum, which may represent a content address of the file, may be stored in a database. The database may be queried with the content address of the file to retrieve a location address of the file corresponding to the content address of the file. The location address of the file is used to provide access to the file in the file system.
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公开(公告)号：US20180189301A1
公开(公告)日：2018-07-05
申请号：US15738111
申请日：2015-09-22
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
CPC classification number: G06F16/125 , G06F16/113 , G06F16/116 , G06F16/181 , G06F21/6209
Abstract: Some examples described herein relate to managing appendable state of an immutable file. In an example, a request may be received to append an immutable file. A determination may be made whether the request is a first request to append immutable file. In response to determination that the request is the first request to append the immutable file, immutable file may be modified from an original state to an appendable state, wherein immutable file is appendable during the appendable state. A time period may be defined for immutable file to remain in the appendable state. A determination may be made whether immutable file is accessed during the time period. In response to determination that immutable file is not accessed during the time period, immutable file may be reverted from the appendable state to the original state upon expiration of the time period.
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公开(公告)号：US20180137131A1
公开(公告)日：2018-05-17
申请号：US15577593
申请日：2015-06-03
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
IPC: G06F17/30
CPC classification number: G06F16/125 , G06F3/0605 , G06F3/0649 , G06F3/067 , G06F11/00 , G06F16/113 , G06F16/2365 , G06F21/604 , G06F21/64 , G06F2221/2137
Abstract: An example computing device includes a data storage device and a controller coupled to the data storage device. The data storage device includes a storage segment. The controller is to, in response to receiving a retention feature activation of the storage segment, compute a retention enabled time of the storage segment; in response to receiving a retention request associated with data in the storage segment, compute an absolute segment survival time based on the retention enabled time and compute a retention expiry time of the data based on the absolute segment survival time. The retention request is associated with a retention period. The controller is further to determine whether the retention period has lapsed based on the retention expiry time.
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公开(公告)号：US20170052972A1
公开(公告)日：2017-02-23
申请号：US15307457
申请日：2014-07-22
Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP
Inventor： Ramesh Kannan Karuppusamy , Rajkumar Kannan
CPC classification number: G06F16/152 , G06F11/1004 , G06F16/122 , G06F16/13 , G06F16/137
Abstract: Some examples describe a method for using location addressed storage as content addressed storage (CAS). A checksum of a file may be generated during transition of the file to a retained state. The generated checksum, which may represent a content address of the file, may be stored in a database. The database may be queried with the content address of the file to retrieve a location address of the file corresponding to the content address of the file. The location address of the file is used to provide access to the file in the file system.
Abstract translation: 一些例子描述了使用位置寻址存储作为内容寻址存储（CAS）的方法。 在将文件转换为保留状态期间，可能会生成文件的校验和。 生成的校验和可以表示文件的内容地址，可以存储在数据库中。 可以使用文件的内容地址查询数据库，以检索对应于文件的内容地址的文件的位置地址。 文件的位置地址用于提供对文件系统中文件的访问。
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