ext4¶
Version 3.17 of Disk Decipher adds support for the Linux ext4 filesystem, including its predecessors ext3 and ext2.
Features¶
The ext4 filesystem has many advanced features, the table below shows which features are supported (the most common ones).
An unsupported compatible feature will not prevent mounting the filesystem.
An unsupported read-only compatible feature will force the filesystem in read-only mode.
An unsupported incompatible feature will prevent mounting the filesystem.
Type | Feature | Supported |
---|---|---|
Compatible | dir_prealloc | |
imagic_inodes | ||
has_journal | ✓ | |
ext_attr | ||
resize_inode | ||
dir_index | ✓ | |
Read-only compatible | sparse_super | ✓ |
large_file | ✓ | |
btree_dir | ||
huge_file | ✓ | |
gdt_csum | ✓ | |
dir_nlink | ✓ | |
extra_isize | ✓ | |
quota | ||
bigalloc | ||
metadata_csum | ✓ | |
Incompatible | compression | |
filetype | ✓ | |
recover | ✓ | |
journal_dev | ||
meta_bg | ✓ | |
extents | ✓ | |
64bit | ✓ | |
mmp | ||
flex_bg | ✓ | |
ea_inode | ||
dirdata | ||
bg_use_meta_csum | ||
largedir | ||
inline_data |
How to create an ext4 container¶
Here is a Linux commandline example using Veracrypt as the container format
# veracrypt -t -c --filesystem=ext4 test_ext4.hc
Alternatively, simply select ext4 as filesystem when creating a new disk inside the app.