Open source ext2/ext3 file system driver for Windows (NT/2K/XP/VISTA, X86/AMD64).

Ext2Fsd is an ext2 file system driver for Windows 2000, XP, Vista. It’s a free software and everyone can distribute and modify it under GPL2.

Open source ext2/ext3 file system driver for Windows (NT/2K/XP/VISTA, X86/AMD64)

Ext2Fsd is an ext2 file system driver for Windows 2000, XP, Vista. It’s a free software and everyone can distribute and modify it under GPL2.

Features:

Features Ext2Fsd supports:

1. ext2/ext3 volume reading & writing
2. ext3 journal replay when mounting
3. various codepage: utf8, cp936, cp950 …
4. mountpoint automatical assignment
5. large inode size: 128, 256, …
6. large file size bigger than 4G
7. OS: 2k, xp, vista, server 2008 (i386/amd64)

Features Ext2Fsd doesn’t support:

1. ext3 journal support
2. htree for directory entry management
3. ext4 extent support
4. LVM and Linux raid (md)
5. NT4 is no longer supported.
6. Win7 or server 2008 r2 support are uncertain.

Supported Ext3/4 features by 0.51:

1, flexible inode size: > 128 bytes, up to block size
2, dir_index: htree directory index
3, filetype: extra file mode in dentry
4, large_file: > 4G files supported
5, sparse_super: super block backup in group descriptor
6, uninit_bg: fast fsck and group checksum
7, extent: reading, writing with no extending.
8, journal: only support replay for internal journal
9, flex_bg: first flexible metadata group

Unsupported Ext3/4 features:

1, journal: log-based operations, external journal
2, extent: size truncating & expanding, file deletion
3, EA (extended attributes), ACL support

Features to be implemented in future:

1, EXT3/4 features support (extents, journal)
2, Documents improvement: clear and elaborate
3, Performance improvement, code optimization
4, Automatic check & update of new versions
5, LVM support, e2fsprogs porting for Windows

New Release
1, FIXME: Data corruption issue, especially for multiple-thread
writing on XP system
2, FIXME: Set ValidDataLength only for FileEndOfFileInformation
w/ AdvanceOnly
3, Support writing to ext4 volumes w/ flex_bg
4, Code cleanup and enhancement for global/volume property settings
[ Ext2Fsd release history ]

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