Thursday, April 16, 2009

What is new in Ext4 Filesystem

Ext4 is a pure 64bit Filesystem
Ext4 supports individual files upto 16TB
Ext4 supports File systems of 1 Exabyte (EB)(1,048,576 Terabytes) by using 48-bit data structures.
Ext4 is backward compatible with ext2 and ext3 (means you can mount this filesystems as ext4, existing data will not lose)
Ext4 supports upgrade compatibility, so you can easly upgrade your ext2 and ext3 filesystems to ext4.
ext4 having features such as, extents, journaling checksumming, block allocation, delayed allocation, faster fsck, on-line defragmentation, and larger directory sizes (up to 64,000 files).

Read More here

1 comment:

Jestin Joy said...

Heard new ubuntu(9.04) comes with ext4. Heard it has some bugs too.