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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.

Create ext4 filesystem