Week 12: Network Attached Storage
- Lecture notes:
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Network Attached Storage
Network Attached Storage: Lecture slides (6 per page) - Buzzwords:
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Intro:
NAS, File service, file server, remote access model, upload/download model, client module, VFS, stateful vs. stateless design, sequential vs. session file access semantics.NFS:
devices, mounting protocol, directory & file access protocol, lookup RPC, stateless file system, RPC interface, inconsistencies and caching, validation, read-ahead, large reads, locking problem, append problem.AFS:
whole file caching, whole file serving, AFS disk cache, identical name space, volumes, cache coherence, callback promise (state), session semantics.SMB
stateful file system, message blocks.
