MANAGING REDUNDANT IMMUTABLE FILES USING DEDUPLICATION IN STORAGE CLOUDS
    41.
    发明申请
    MANAGING REDUNDANT IMMUTABLE FILES USING DEDUPLICATION IN STORAGE CLOUDS 有权
    使用存储云中的重复管理冗余不可变文件

    公开(公告)号:US20150039570A1

    公开(公告)日:2015-02-05

    申请号:US14516740

    申请日:2014-10-17

    Abstract: A method includes receiving a request to save a first file as immutable. The method also includes searching for a second file that is saved and is redundant to the first file. The method further includes determining the second file is one of mutable and immutable. When the second file is mutable, the method includes saving the first file as a master copy, and replacing the second file with a soft link pointing to the master copy. When the second file is immutable, the method includes determining which of the first and second files has a later expiration date and an earlier expiration date, saving the one of the first and second files with the later expiration date as a master copy, and replacing the one of the first and second files with the earlier expiration date with a soft link pointing to the master copy.

    Abstract translation: 一种方法包括接收将第一个文件保存为不可变的请求。 该方法还包括搜索被保存并且对第一文件是多余的第二文件。 该方法还包括确定第二文件是可变和不可变的之一。 当第二个文件是可变的时,该方法包括将第一个文件保存为主副本,并用指向主副本的软链接替换第二个文件。 当第二文件是不可变的时,该方法包括确定第一和第二文件中的哪一个具有以后的到期日期和较早的截止日期,将具有较晚截止日期的第一和第二文件中的一个保存为主副本,并将其替换 第一个和第二个文件之一,具有早期到期日期,软链接指向主副本。

    SYSTEM AND METHOD FOR OPTIMIZING DATA REMANENCE OVER HYBRID DISK CLUSTERS USING VARIOUS STORAGE TECHNOLOGIES
    45.
    发明申请
    SYSTEM AND METHOD FOR OPTIMIZING DATA REMANENCE OVER HYBRID DISK CLUSTERS USING VARIOUS STORAGE TECHNOLOGIES 有权
    使用各种存储技术优化混合磁盘库的数据重要性的系统和方法

    公开(公告)号:US20140250089A1

    公开(公告)日:2014-09-04

    申请号:US14279542

    申请日:2014-05-16

    Abstract: A method is implemented in a computer infrastructure having computer executable code tangibly embodied on a computer readable storage medium having programming instructions. The programming instructions are operable to optimize data remanence over hybrid disk clusters using various storage technologies, determine one or more data storage technologies accessible by a file system, and determine secure delete rules for each of the one or more storage technologies accessible by the file system. The secure delete rules include a number of overwrites required for data to be securely deleted from each of the one or more storage technologies. The programming instructions are further operable to provide the secure delete rules to the file system upon a request for deletion of data for each of the one or more storage technologies a specific amount of times germane to secure delete data from the one or more storage technologies.

    Abstract translation: 在具有计算机可执行代码的计算机基础设施中实现一种方法,其有形地体现在具有编程指令的计算机可读存储介质上。 所述编程指令可操作以使用各种存储技术优化混合磁盘集群上的数据剩余,确定文件系统可访问的一个或多个数据存储技术,以及为文件系统可访问的一个或多个存储技术中的每一个确定安全删除规则 。 安全删除规则包括从一个或多个存储技术中的每一个安全地删除数据所需的多个重写。 所述编程指令进一步可操作以在对所述一个或多个存储技术中的每一个删除数据的请求时向所述文件系统提供安全删除规则,所述特定的时间量与所述一个或多个存储技术的安全删除数据密切相关。

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