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11. 发明授权

US5953729A Using sparse file technology to stage data that will then be stored in remote storage 失效
标题翻译：使用稀疏文件技术来分段数据，然后存储在远程存储中
公开(公告)号：US5953729A
公开(公告)日：1999-09-14
申请号：US997066
申请日：1997-12-23
申请人： Luis Felipe Cabrera , Stefan R. Steiner
发明人： Luis Felipe Cabrera , Stefan R. Steiner
IPC分类号： G06F17/30 , G06F11/14 , G06F12/00
CPC分类号： G06F17/30067 , G06F11/1456 , Y10S707/99955
摘要： The present invention relates to systems and methods for archiving or backing up data. The systems and methods use a staging area to temporarily store data prior to transfer to backup or archive storage. Data is copied from local storage to the staging area and stored there temporarily until it is transferred to backup or archive storage. The staging area preferably uses sparse file technology which stores a mixture of zero data and non-zero data in a storage space substantially equal to the storage space required to only store the non-zero data. Once data is transferred from the staging area to remote storage, the storage space allocated in the staging area may be deallocated in order to minimize the amount of storage space required for the staging area. In addition, the local storage space may also be deallocated, if appropriate. Using sparse file technology as the staging area results in minimal storage requirements and minimal overhead for managing the storage space of the staging area.
摘要翻译：本发明涉及用于归档或备份数据的系统和方法。系统和方法使用分段区域在传输到备份或归档存储之前临时存储数据。数据从本地存储复制到暂存区，并临时存储，直到传输到备份或归档存储。分段区域优选地使用稀疏文件技术，其将零数据和非零数据的混合存储在基本上等于仅存储非零数据所需的存储空间的存储空间中。一旦数据从暂存区域传送到远程存储，可以释放分配在分段区域中的存储空间，以便最小化分段区域所需的存储空间量。此外，如果合适，也可以释放本地存储空间。使用稀疏文件技术作为分段区域导致最小的存储要求和最小的开销，用于管理分段区域的存储空间。

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