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Save disk space - use compFUSEd to transparently compress filesystems

06/10/2008  
Relevance: 8.64
The Filesystem in Userspace (FUSE) project allows you install new filesystems without touching your Linux kernel. The filesystems run as regular programs, allowing them to use shared libraries and perform tasks that would be difficult from inside the Linux kernel. FUSE filesystems look just like regular filesystems to other applications on the machine. In this article I'll look at compFUSEd, which is a compressed FUSE filesystem. Using compFUSEd can save a significant amount of disk space for files that are highly compressible, such as many text documents and executable files.
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This week at LWN: Barriers and journaling filesystems

06/02/2008  
Relevance: 8.12
Journaling filesystems come with a big promise: they free system administrators from the need to worry about disk corruption resulting from system crashes. It is, in fact, not even necessary to run a filesystem integrity checker in such situations. The real world, of course, is a little messier than that. As a recent discussion shows, it may be even messier than many of us thought, with the integrity promises of journaling filesystems being traded off against performance.
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Death of a filesystem(?)

08/07/2008  
Relevance: 7.59
"Over the last months there were repeating news about the murder on Nina Reiser by her husband Hans Reiser, known in the community for his work on his filesystems ReiserFS and Reiser4.""What I want to deal with here are the consequences of this"story" that may be in store for Reiser's filesystems."
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Anatomy of the Linux File System

11/06/2007  
Relevance: 7.18
Linux supports a large number of file systems, from journaling to clustering to cryptographic. Linux is a wonderful platform for using and developing standard and more exotic file systems. This article explores thevirtual file system (VFS) in the Linux kernel and then reviews some of the major structures that tie file systems together. You can alsotake this Linux file system tutorial to learn more about how to control the mounting and un-mounting of filesystems, examine existing filesystems, create filesystems, and perform remedial actions on damaged filesystems.
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Using Bonnie++ for filesystem performance benchmarking

07/02/2008  
Relevance: 6.95
Bonnie++ allows you to benchmark how your filesystems perform various tasks, which makes it a valuable tool when you are making changes to how your RAID is set up, how your filesystems are created, or how your network filesystems perform. Bonnie++ is available for openSUSE 10.3 as a 1-Click, for Ubuntu Hardy, and in the standard Fedora 9 repositories. I installed Bonnie++ from the 64-bit Fedora 9 repositories. The packages for Ubuntu and Fedora both install Bonnie++ into /usr/sbin, while openSUSE installs into /usr/bin. Bonnie++ will complain and fail to work if invoked as the root user, but if Bonnie++ is installed into /usr/sbin instead of /usr/bin, to invoke Bonnie++ as a regular user you will probably have to include its full path.
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Push and pull network filesystems with ccgfs

10/02/2008  
Relevance: 6.69
The CC Network Filesystem (ccgfs) lets you mount filesystems over the network using either the push or pull model for connections. Most network filesystems use the pull model, where the client mounts a network share and all connections originate from the client. Using the push model for network shares means that all connections originate from the server. The push model has advantages when you want a machine on your network demilitarized zone (DMZ) to access a file server through a firewall.
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Create CentOS 5.2 Domu on Ubuntu Hardy Dom0

10/09/2008  
Relevance: 6.51
This tutorial provides step-by-step instructions on how to install images of Xen on an Ubuntu Hardy Heron (Ubuntu 8.04) server system (i386). Linux distributions that can run as Xen guests out of the box, obviating the need to create your own custom filesystems. The filesystems on jailtime.org have already been tweaked to deal with Xen’s idiosyncracies, and are also designed to be lightweight and minimally divergent from the original distribution.
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Test: Do Linux filesystems need defragmentation?

12/11/2007  
Relevance: 6.39
LXer Feature: 10-Dec-2007 Back in 1999 I remember the first PC entered our house coming preloaded with Windows 98. One of the things I liked about it was thedefragmentation screen where blocks presenting 'datablocks' on the harddrive were moving over the screen for almost eternally. I remember at that time it seemed like a logical maintenance requirement for any filesystem. However, when I started using Linux four years later, I was told that with Linux I didn't need to defragment my filesystems anymore, since Linux filesystems don't get fragmented in first place. At that time it left me puzzled, but after a few years of using Linux without defragmenting my filesystems - and without any problems! - it seemed defragmentation was something antique. Nonetheless I still wondered how on earth it was possible the 100k+ files in Gentoo's portage system - updated every time I synchronize the portage tree - didn't fragment my filesystem. Or was my filesystem fragmented and did I not know? Only recently, I found a script that is actually able to put numbers to all this gut-feelings, and the results were quite surprising in my opinion.
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Automounting FUSE filesystems

03/05/2008  
Relevance: 6.21
One of the main things that gets annoying with FUSE, or Filesystem in Userspace, is that it won't automatically mount a filesystem when you first attempt to access the filesystem. This means you must manually track mountpoints and specify what program to run in order to mount each FUSE filesystem. Placing the exact commands to mount each FUSE filesystem into shell scripts can make things a little easier, but with afuse, you can mount FUSE filesystems on demand without the need for any explicit mounting.
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Linux File System Security Options

03/22/2007  
Relevance: 6.09
Josh Kuo's articleLinux File System Security Options outlines various software-based methods to encrypt your Linux filesystems. He addresses loop-AES, FUSE, eCryptfs, steganographic filesystems, sshfs, and ReiserFSv4.
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Showing 10 articles of total 22093 in database ( English).

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