Versioning Copy-On-Write File System (vCowFS)

Assignment 2: Versioning Copy-On-Write File System (vCowFS)

This project was submitted to Operating System subject, CE KMITL 2016

Task List

Implemented?	Commmand
✔️	On-time submission
✔️	Compile an build
✔️	CoW FS Design
✔️	Versioning Design
✔️	Mount/Unmount FS
✔️	Open/create/close/delete/truncate a file
✔️	Create/remove/rename/delete a directory
✔️	Chmod/chown/chgrp a file or directory
✔️	Listing file and directory with name, size, date, owner
✔️	Listing file and directory with last modified date and time
✔️	Reading a file
😕	Writing and fsync a file
✔️	Auto-versioning a file
✔️	Retrieve an old-version of a file
✔️	Retrieve the file on re-mounting

Getting Started

Install

on ubuntu 16.04

install pip and setuptools

 $ sudo apt-get install python3-pip
$ pip3 install setuptools

install package

 $ sudo apt-get install libattr1-dev automake autotools-dev g++ git libcurl4-gnutls-dev libfuse-dev libssl-dev libxml2-dev make pkg-config

download llfuse 1.2 from pypi

 $ wget https://pypi.python.org/packages/95/0d/44117ac95b8b52ff5640690d622105d7afa0dd4354432e6460c589f6382c/llfuse-1.2.tar.bz2#md5=4bf20ec273bc2ca41c6f58e5f4d8989d

unpack it

 $ tar xvjf llfuse-1.2.tar.bz2

install it

 $ cd llfuse-1.2
$ python3 setup.py build_ext --inplace

Create an image file

 $dd if=/dev/zero of=storage.img bs=1M count=10
$mkfs ntfs -F storage.img

Run !!

 $ python3 vcowfs.py storage.img tmp -t 15

Group Member

• Pongsatorn Wanitchinchai
• Pornchay Apichardpanth
• Patcharapon Jantana
• Peerawat Pipattanakulchai
• Supawit Kansompoj
• Suttichai Pongsanont
• Sirapat Tiyasuwan
• Siridej Phanathanate
• Atthasit Sintunyatum
• Isara Naranirattisai

Reference

Will be available soon