Discuss distributed file system caching, Operating System

Assignment Help:

Problem:

(a) Discuss Distributed File System Caching.

(Your discussion should include the goal and architecture of distributed file system caching and the various possible caching locations together with their corresponding advantages and disadvantages).

(b) (i) In relation to Lamport's logical clock discuss:

? Happened Before Relation.
? Concurrent event.

(ii) Discuss how the Happen Before Relation is implemented using timestamps.

(c) (i) Briefly describe Christian's and Berkeley's physical clock synchronisation algorithms.

(ii) Are externally synchronised clocks also internally synchronised? What about the converse? Explain your answers


Related Discussions:- Discuss distributed file system caching

List disadvantages of using a single directory, List disadvantages of using...

List disadvantages of using a single directory. Users have no privacy. Users must be careful in choosing file names, to avoid names used by others. Users may destroy each othe

Explain the exit (status) function, Explain the Exit (status) Function  ...

Explain the Exit (status) Function  Exit function causes the calling process to be terminated. Actually, all file descriptors are immediately closed but the process is   not

Unsafe state, discuss unsafe state in operating system

discuss unsafe state in operating system

Explain tightly coupled systems and loosely coupled system, Differentiate t...

Differentiate tightly coupled systems and loosely coupled systems? Loosely coupled systems:-  Every processor has its own local memory  Every processor can communicate

What are the various layers of a file system, What are the various layers o...

What are the various layers of a file system? The file system is composed of many dissimilar levels. Each level in the design uses the feature of the lower levels to make new f

Convert the hex to binary, Convert the following from hex to binary and dra...

Convert the following from hex to binary and draw it on the memory map.     RAM    = 0000 -> 00FF     EPROM = FF00  -> FFFF Answer:   0000  0000 0000  0000 (0)    RAM sta

Determine the syntax of the fork and join primitive, Determine the syntax o...

Determine the syntax of the Fork and Join Primitive  Answer: Syntax of the Fork and Join Primitive is as follow: Fork Join

Server thread, Extend task 1 so that the requests are issued by the clients...

Extend task 1 so that the requests are issued by the clients instead of the server. The server now do not use the "all_requests.dat" file. Instead every client thread reads from

Explain secondary-storage management, What are the three main activities of...

What are the three main activities of an operating system in regard to secondary-storage management? a) Free-space management. b) Storage allocation. c) Disk scheduling.

Define projected allocation state is safe - banker algorithm, A system cons...

A system consists of 10 units of resource class Ru. The resource needs of three user processes P1, P2 and P3 are like this                     Using Banker's algorithm, de

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd