Ext2Fsd Project

Open source ext3/4 file system driver for Windows (2K/XP/WIN7/WIN8)


without comments

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. CIFS sharing over network
  8. htree directory indexing
  9. ext4 extent support
  10. fast fsck (uninit_bg) and group block checksum support
  11. up to 4G*blocksize volume: 16TB for 4K block
  12. 64k block-size, support compatible to Linux ext4 and e2fsprogs
  13. OS: 2k, xp, vista, server 2003/2008, win7

Features Ext2Fsd doesn’t support:

  1. fully ext3 journal support
  2. LVM and Linux raid (md)
  3. NT4 is no longer supported.

Supported Ext3/4 features :

  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. flex_bg: first metadata group
  8. extent:       reading, writing, deleting, everything
  9. journal:      only support replay for internal journal

Unsupported Ext3/4 features:

  1. journal: log-based operations, external journal
  2. EA (extended attributes), ACL support
  3. 64-bit block number

Written by Matt

August 1st, 2009 at 12:54 am

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