Method for implementing document condition compatibility maintenance in inspection point fault-tolerant technique
A fault-tolerant technology and implementation method technology, applied in the file management and fault-tolerant fields, can solve problems such as consistency problems, and achieve the effects of low overhead, easy deployment, and good portability
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[0077] The file system oriented to checkpoint setting and volume recovery, referred to as CprFS, runs in the user mode and works in a stacked manner with the existing file system, as an intermediate manager between user programs and files to realize data management and Maintenance; CprFS consists of two parts ( image 3 Shows the relationship between these two components and other components of the operating system): CprFS runtime file system and CprFS function library; CprFS runtime file system provides standard file access interfaces for user programs and tracks file status transitions to complete data maintenance Main work: CprFS function library provides transaction processing interface to user program, used to issue corresponding operation request to CprFS runtime file system; said CprFS system includes the following functional modules (such as Figure 4 Shown):
[0078] Address mapping module: CprFS runs on top of other file systems in a stacked manner. As a data access chan...
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