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Chapter 17 - Distributed File Systems

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Wayne Jones Jnr
Wayne Jones Jnr

Background Naming and Transparency Remote File Access Stateful versus Stateless Service File Replication An Example: AFS

Tecnologia
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Chapter 17: Distributed-File Systems
Chapter 17 Distributed-File Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Chapter Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object]
Background ,[object Object],[object Object],[object Object],[object Object]
DFS Structure ,[object Object],[object Object],[object Object],[object Object],[object Object]
Naming and Transparency ,[object Object],[object Object],[object Object],[object Object]
Naming Structures ,[object Object],[object Object]
Naming Schemes — Three Main Approaches ,[object Object],[object Object],[object Object],[object Object],[object Object]
Remote File Access ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cache Location – Disk vs. Main Memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cache Update Policy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Cachefs and its Use of Caching
Consistency ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Comparing Caching and Remote Service ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Caching and Remote Service (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Stateful File Service ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Stateless File Server ,[object Object],[object Object],[object Object]
Distinctions Between Stateful & Stateless Service ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Distinctions (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
File Replication ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
An Example: AFS ,[object Object],[object Object],[object Object],[object Object]
ANDREW (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object]
ANDREW (Cont.) ,[object Object],[object Object],[object Object],[object Object]
ANDREW Shared Name Space ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ANDREW File Operations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ANDREW Implementation ,[object Object],[object Object],[object Object],[object Object],[object Object]
ANDREW Implementation (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
End of Chapter 17
Fig. 17.01

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Chapter 17 - Distributed File Systems