LH*—a scalable, distributed data structure
ACM Transactions on Database Systems (TODS)
NFS illustrated
Interposed request routing for scalable network storage
ACM Transactions on Computer Systems (TOCS)
A Fast Algorithm for Online Placement and Reorganization of Replicated Data
IPDPS '03 Proceedings of the 17th International Symposium on Parallel and Distributed Processing
Opportunities and challenges of storage grid enabled by grid service
ACM SIGOPS Operating Systems Review
Deconstructing Network Attached Storage systems
Journal of Network and Computer Applications
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X-NAS (eXpandable network attached storage), a highly scalable, distributed file system designed for entry-level NAS, has been developed. It virtualizes multiple NAS systems into a single-file-system view for different kinds of clients. The core of X-NAS is a multi-protocol virtualized file system (MVFS), and its key features 驴 a smart-code wrapper daemon, file-group mapping, and a file-handle cache 驴 improve X-NAS scalability. X-NAS has other key features for improving the manageability on many NAS systems; namely, on-line reconfiguration, autonomous rebalancing, and automatic migration, in which files are migrated automatically and dynamically independently of file-sharing services for clients. To validate the X-NAS concept, an X-NAS prototype was designed and tested according to the NFSv2 implementation. These tests indicate that X-NAS attains a quicker response time and higher throughput than a conventional single NAS, so its cost-performance scalability is also higher.