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http://dx.doi.org/10.3745/KIPSTA.2006.13A.3.241

HA-PVFS : A PVFS File System supporting High Data Availability Adaptive to Temporal Locality  

Sim Sang-Man (삼성전자 Mobile Platform Sol. Lab)
Han Sae-Young ((주)이엔지 기술본부)
Park Sung-Yong (서강대학교 컴퓨터학과)
Publication Information
The KIPS Transactions:PartA / v.13A, no.3, 2006 , pp. 241-252 More about this Journal
Abstract
In cluster file systems, the availability of files has been supported by replicating entire files or generating parities on parity servers. However, those methods require very large temporal and spatial cost, and cannot handle massive failures situation on the file system. So we propose HA-PVFS, a cluster file system supporting high data availability adaptive to temporal locality. HA-PVFS restricts replication or parity generation to some important files, for that it employs an efficient algorithm to estimate file access patterns from limited information. Moreover, in order to minimize the performance degradation of the file system, it uses delayed update method and relay replication.
Keywords
Cluster File System; High Availability; Adaptive Replication;
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