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HDFS has been widely used for storing massive scale data which is vulnerable to site disaster. The file system backup is an important strategy for data retention. In this paper, we present an efficient, easy- to-use Backup and Disaster Recovery System for HDFS. The system includes a client based on HDFS with additional feature of remote backup, and a remote server with a HDFS cluster to keep the backup...
According to the problem that the ECC cannot correct the multibit error in ECC memory, this paper proposes a memory error processing method on software level. On the foundation of revising the Linux kernel code, the method can discover this area of influence area of memory error according to seek the process information mapping to the mistaken address. This way can avoid wastage to the user due to...
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