发明名称 |
PROVIDING A SNAPSHOT OF A SUBSET OF A FILE SYSTEM |
摘要 |
A system, method and computer readable medium for providing a snapshot of a subset of a file system. A first snapshot of a first set of source files in a file system is generated. The first snapshot includes an inode corresponding to each source file in the first set of files. Stored in each inode is a fir st identifier associated with the first set of files and a second identifier associated with the time of the first snapshot. Next, a second snapshot of a second set of source files is taken. The second snapshot includes an inode corresponding to each source file in the second set of files. Stored in each inode are a first identifier and a second identifier. Subsequent snapshots a re taken every first period and every second period for the first set of files and the second set of files, respectively.
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申请公布号 |
CA2474895(A1) |
申请公布日期 |
2003.08.21 |
申请号 |
CA20032474895 |
申请日期 |
2003.01.10 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
SCHMUCK, FRANK B.;SAWDON, WAYNE A. |
分类号 |
G06F;G06F11/14;G06F11/20;G06F12/00;G06F12/16;G06F17/30;(IPC1-7):G06F11/14 |
主分类号 |
G06F |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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