Features
Features Ext2Fsd supports:
- ext2/ext3 volume reading & writing
- ext3 journal replay when mounting
- various codepage: utf8, cp936, cp950 …
- mountpoint automatical assignment
- large inode size: 128, 256, …
- large file size bigger than 4G
- CIFS sharing over network
- htree directory indexing
- ext4 extent support
- fast fsck (uninit_bg) and group block checksum support
- up to 4G*blocksize volume: 16TB for 4K block
- 64k block-size, support compatible to Linux ext4 and e2fsprogs
- OS: 2k, xp, vista, server 2003/2008, win7
Features Ext2Fsd doesn’t support:
- fully ext3 journal support
- LVM and Linux raid (md)
- NT4 is no longer supported.
Supported Ext3/4 features :
- 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
- flex_bg: first metadata group
- extent: reading, writing, deleting, everything
- journal: only support replay for internal journal
Unsupported Ext3/4 features:
- journal: log-based operations, external journal
- EA (extended attributes), ACL support
- 64-bit block number