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Ext2Fsd

Ext2Fsd (short for Ext2 File System Driver) is a free Installable File System driver written in C for the Microsoft Windows operating system family. It facilitates read and write access to the ext2, ext3 and ext4 file systems.

Original author(s)Matt Wu
Developer(s)Matt Wu
Initial releaseJanuary 26, 2002; 22 years ago (2002-01-26)
Final release
0.69 [1] / November 2, 2017; 6 years ago (2017-11-02)
Repositorygithub.com/matt-wu/Ext3Fsd
Written inC[2]
Operating systemMicrosoft Windows
Available inEnglish, Simplified Chinese
TypeInstallable File System
LicenseGNU GPL v2
Website

The driver can be installed on Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows 7, Windows 8,[3] Windows 10, Windows Server 2008, Windows Server 2008 R2.[1] Support for Windows NT was dropped in version 0.30.[4]

The program Ext2Mgr can optionally be installed additionally to manage drive letters and such. Since 2017 the application has effectively been abandonware as its author seemingly disappeared in August, 2020.

Reception edit

The German computer magazine PC-WELT reported frequent program crashes in 2009. The program was not able to access ext3 partitions smoothly. This often led to a blue screen. Crashes of this type can lead to data loss, for example if there is not yet permanently stored data in the main memory. The program could only access ext2 partitions without errors.[5] In 2012, Computerwoche warned that access to ext3 partitions was "not harmless". Data loss may occur.[6]

Features edit

Feature matrix edit

Read Write Journal dir_index
ext2    
ext3     Limited  
ext4     Limited  

Supported Ext3/4 features edit

Source:[1]

  • flexible inode size: > 128 bytes, up to block size
  • dir_index: htree directory index
  • filetype: extra file mode in dentry
  • large_file: > 4G files supported
  • sparse_super: super block backup in group descriptor
  • uninit_bg: fast fsck and group checksum
  • extent: full support with extending and shrinking.
  • journal: only support replay for internal journal
  • flex_bg: first flexible metadata group
  • symlink and hardlink
  • Mount-as-user: specified uid/gid supported

Unsupported Ext3/4 features edit

Features to be implemented in future edit

  • Extents management improvement
  • EA and ACL security checking

Critical Bug edit

On November 2, 2017, a warning was issued with the release of version 0.69:

Don't use Ext2Fsd 0.68 or earlier versions with latest Ubuntu or Debian systems. Ext2Fsd 0.68 cannot process EXT4 with 64-BIT mode enabled, then it could corrupt your data. Very sorry for this disaster issue, I'm working on an improvement.[1]

While it is not very clear whether v0.69 corrects this deficiency, users have reported [7] that Windows 10 prompts them to format the ext4 drive even with the 0.69 version. The known solution is to convert the said ext4 drive to a 32 bit version.[8]


Fork edit

A fork was created by Bo Brantén that fixes some of the stale issues.[9][10]

See also edit

References edit

  1. ^ a b c d . 2018-01-13. Archived from the original on 2019-01-25.
  2. ^ http://www.ohloh.net/p/ext2fsd
  3. ^ "Ext2Fsd: EXT3/EXT4 Support Now Works On Windows 8". 2014-06-19.
  4. ^ "Ext2fsd". 2009-07-27.
  5. ^ Donauer, Jürgen. "Ext2fsd - Absturzgefahr". PC-WELT. Retrieved 2018-08-25.
  6. ^ "Ext2fsd: Zugriff auf Linux-Partition - Tuning für Microsoft Windows: Power-Tools für Windows 7 - computerwoche.de". www.computerwoche.de (in German). Retrieved 2018-08-25.
  7. ^ "Ext2 File System Driver for Windows / Discussion / Ext2Fsd: You need to format the disk in drive before you can use it". sourceforge.net. Retrieved 2019-10-07.
  8. ^ "Ext2 File System Driver for Windows / Discussion / Ext2Fsd: You need to format the disk in drive before you can use it". sourceforge.net. Retrieved 2019-10-07.
  9. ^ "Windows driver examples".
  10. ^ "Bobranten - Overview". GitHub.

External links edit

  • Official website
  • Old website
  • Ext2 File System Driver for Windows on SourceForge
  • Fork Version

ext2fsd, this, article, uses, bare, urls, which, uninformative, vulnerable, link, please, consider, converting, them, full, citations, ensure, article, remains, verifiable, maintains, consistent, citation, style, several, templates, tools, available, assist, f. This article uses bare URLs which are uninformative and vulnerable to link rot Please consider converting them to full citations to ensure the article remains verifiable and maintains a consistent citation style Several templates and tools are available to assist in formatting such as reFill documentation and Citation bot documentation August 2022 Learn how and when to remove this template message Ext2Fsd short for Ext2 File System Driver is a free Installable File System driver written in C for the Microsoft Windows operating system family It facilitates read and write access to the ext2 ext3 and ext4 file systems Original author s Matt WuDeveloper s Matt WuInitial releaseJanuary 26 2002 22 years ago 2002 01 26 Final release0 69 1 November 2 2017 6 years ago 2017 11 02 Repositorygithub wbr com wbr matt wu wbr Ext3FsdWritten inC 2 Operating systemMicrosoft WindowsAvailable inEnglish Simplified ChineseTypeInstallable File SystemLicenseGNU GPL v2Websitewww ext2fsd comThe driver can be installed on Windows 2000 Windows XP Windows Server 2003 Windows Vista Windows 7 Windows 8 3 Windows 10 Windows Server 2008 Windows Server 2008 R2 1 Support for Windows NT was dropped in version 0 30 4 The program Ext2Mgr can optionally be installed additionally to manage drive letters and such Since 2017 the application has effectively been abandonware as its author seemingly disappeared in August 2020 Contents 1 Reception 2 Features 2 1 Feature matrix 2 2 Supported Ext3 4 features 2 3 Unsupported Ext3 4 features 2 4 Features to be implemented in future 3 Critical Bug 3 1 Fork 4 See also 5 References 6 External linksReception editThe German computer magazine PC WELT reported frequent program crashes in 2009 The program was not able to access ext3 partitions smoothly This often led to a blue screen Crashes of this type can lead to data loss for example if there is not yet permanently stored data in the main memory The program could only access ext2 partitions without errors 5 In 2012 Computerwoche warned that access to ext3 partitions was not harmless Data loss may occur 6 Features editFeature matrix edit Read Write Journal dir indexext2 nbsp nbsp ext3 nbsp nbsp Limited nbsp ext4 nbsp nbsp Limited nbsp Supported Ext3 4 features edit Source 1 flexible inode size gt 128 bytes up to block size dir index htree directory index filetype extra file mode in dentry large file gt 4G files supported sparse super super block backup in group descriptor uninit bg fast fsck and group checksum extent full support with extending and shrinking journal only support replay for internal journal flex bg first flexible metadata group symlink and hardlink Mount as user specified uid gid supportedUnsupported Ext3 4 features edit 64BIT mode to support 2 64 blocks journal log based operations external journal Extended file attributes EA Access control list ACL supportFeatures to be implemented in future edit Extents management improvement EA and ACL security checkingCritical Bug editOn November 2 2017 a warning was issued with the release of version 0 69 Don t use Ext2Fsd 0 68 or earlier versions with latest Ubuntu or Debian systems Ext2Fsd 0 68 cannot process EXT4 with 64 BIT mode enabled then it could corrupt your data Very sorry for this disaster issue I m working on an improvement 1 While it is not very clear whether v0 69 corrects this deficiency users have reported 7 that Windows 10 prompts them to format the ext4 drive even with the 0 69 version The known solution is to convert the said ext4 drive to a 32 bit version 8 Fork edit A fork was created by Bo Branten that fixes some of the stale issues 9 10 See also edit nbsp Free and open source software portalexplore2fs Ext2IFS GParted GNOME Disks dm crypt FreeOTFEReferences edit a b c d Ext2Fsd 0 69 released 2018 01 13 Archived from the original on 2019 01 25 http www ohloh net p ext2fsd Ext2Fsd EXT3 EXT4 Support Now Works On Windows 8 2014 06 19 Ext2fsd 2009 07 27 Donauer Jurgen Ext2fsd Absturzgefahr PC WELT Retrieved 2018 08 25 Ext2fsd Zugriff auf Linux Partition Tuning fur Microsoft Windows Power Tools fur Windows 7 computerwoche de www computerwoche de in German Retrieved 2018 08 25 Ext2 File System Driver for Windows Discussion Ext2Fsd You need to format the disk in drive before you can use it sourceforge net Retrieved 2019 10 07 Ext2 File System Driver for Windows Discussion Ext2Fsd You need to format the disk in drive before you can use it sourceforge net Retrieved 2019 10 07 Windows driver examples Bobranten Overview GitHub External links editOfficial website Old website Ext2 File System Driver for Windows on SourceForge Fork Version Retrieved from https en wikipedia org w index php title Ext2Fsd amp oldid 1212325346, wikipedia, wiki, book, books, library,

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