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[News] [Linux] No ZFS Needed for Linux, New Filesystems May Obviate the Need

  • Subject: [News] [Linux] No ZFS Needed for Linux, New Filesystems May Obviate the Need
  • From: Roy Schestowitz <newsgroups@xxxxxxxxxxxxxxx>
  • Date: Wed, 27 Jun 2007 09:41:24 +0100
  • Newsgroups: comp.os.linux.advocacy
  • Organization: Netscape / schestowitz.com
  • User-agent: KNode/0.10.4
Kernel space: two new filesystems for Linux

,----[ Quote ]
| New filesystem technology for Linux includes high capacity, 
| snapshots, copy-on-write, and on-the-fly corruption detection.
`----

http://apcmag.com/6468/zfs_the_ultimate_filesystem

Jargon-free notes on ZFS here:

ZFS: what "the ultimate file system" really means for your desktop -- in plain
English!

,----[ Quote ]
| It has quite an extensive feature set just like its peers, but builds on 
| this by adding a new layer of simplicity. According to the official site, 
| ZFS key features are...
`----

http://apcmag.com/6468/zfs_the_ultimate_filesystem

With Mac OS X, ZFS is still experimental stuff for developers to tinker with.

ZFS Read/Write Developer Beta for Leopard

,----[ Quote ]
| Apple has made available a developer preview of ZFS for Mac OS X with 
| read/write capability. The preview is available to all ADC members... 
| 
| Update: Will it ever end? The release has been pulled from ADC by Apple.
`----

http://www.osnews.com/story.php/18147/ZFS-ReadWrite-Developer-Beta-for-Leopard


Related:

Linux: Btrfs, File Data and Metadata Checksums

,----[ Quote ]
| Chris Mason announced an early alpha release of his new Btrfs 
| filesystem, "after the last FS summit, I started working on a new 
| filesystem that maintains checksums of all file data and metadata." He 
| listed the following features as "mostly implemented": "extent based file 
| storage (2^64 max file size), space efficient packing of small files, 
| space efficient indexed directories, dynamic inode allocation, writable 
| snapshots, subvolumes (separate internal filesystem roots), checksums on  
| data and metadata (multiple algorithms available), very fast offline 
| filesystem check".        
`----

http://kerneltrap.org/node/8376


DuggFS: Digg as a filesystem

,----[ Quote
| Thanks to Fuse, the Digg API and of course DuggFS, you can now view 
| Digg as a Linux file system...
`----

http://www.omnigia.com/scheme/duggfs/


ZFS Filesystem for FUSE/Linux

,----[ Quote ]
| ZFS is an advanced modern general-purpose filesystem from Sun
| Microsystems, originally designed for Solaris/OpenSolaris.
| 
| This project is a port of ZFS to the FUSE framework for the
| Linux operating system.
| 
| It was sponsored by Google, as part of the Google Summer of
| Code 2006 program.
`----

http://www.wizy.org/wiki/ZFS_on_FUSE


Access frees database filesystem for Linux devices

,----[ Quote ]
| Access/PalmSource has released an SQL-based filesystem for embedded
| devices under the LGPL (Lesser General Public License). Libsqlfs
| implements a POSIX-style hierarchical filesystem as an SQLite database
| file, and was originally developed to provide a registry of system and
| application configuration data for mobile phones, according to
| Access.
`----

http://www.linuxdevices.com/news/NS5731300596.html 


FacebookFS

,----[ Quote ]
| A FUSE-based file-system written in Perl to interface, store, and 
| retrieve data from Facebook using HTTP access to the site's client forms.
`----

http://nerd256.diggles.net/fbfs/


Mount Wikipedia As A Virtual Filesystem

,----[ Quote ]
| Thanks to WikipediaFS, Wikipedia fiends tired of reloading pages
| in the browser can now, provided they?re using Linux, mount the
| site as a virtual filesystem.
| 
| WikipediaFS is a mountable Linux virtual file system that enables
| you to view and edit Wikipedia (or any Mediawiki-based site)
| articles as if they were real files.
`----

http://blog.wired.com/monkeybites/2007/05/mount_wikipedia.html


LogFS: A new way of thinking about flash filesystems

,----[ Quote ]
| Storage manufacturers are getting ready to start shipping solid state
| disks, and Linux-based devices like One Laptop per Child's XO and
| Intel's Classmate don't contain standard hard disks.
`----

http://applications.linux.com/article.pl?sid=07/05/11/2017200&from=rss


Linux: LogFS, A New Flash Filesystem

,----[ Quote ]
| In contrast, Jorn compared his new LogFS, "LogFS has an on-medium
| tree, fairly similar to Ext2 in structure, so mount times are O(1).
| In absolute terms, the OLPC system has mount times of ~3.3s for
| JFFS2 and ~60ms for LogFS."
`----

http://kerneltrap.org/node/8159


Why so many filesystems for Linux? What?s the difference?

,----[ Quote ]
|     * EXT3       
| 
|         * Most popular Linux file system, limited scalability in size and 
|         number of files       
|         * Journaled       
|         * POSIX extended access control
| 
|     EXT3
|     file system is a journaled file system that has the greatest use in
|     Linux today. It is the "Linux" File system. It is quite robust and
|     quick, although it does not scale well to large volumes nor a great
|     number of files. Recently a scalability feature was added called
|     htrees, which significantly improved EXT3's scalability.
| 
| 
| [...]
| 
|     * FAT32       
| 
|         * Most limited file system, but most ubiquitous       
|         * Not Journaled       
|         * No access controls
| 
|     FAT32
|     is the crudest of the file systems listed. Its popularity is with its
|     widespread use and popularity in the Windows desktop world and that it
|     has made its way into being the file system in flash RAM devices
|     (digital cameras, USB memory sticks, etc.). It has no built in
|      security
|     access control, so is small and works well in these portable and
|     embedded applications. It scales the least of the file systems listed.
|     Most systems have FAT32 compatibility support due to its ubiquity.
`----

http://kevin.hatfieldfamilysite.com/?p=104

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