Some time ago ext4 was released and available for Linux kernel. ext4 provides some additional benefits and perforce over ext3 file system. You can easily convert ext3 to ext4 file system. The next release of Fedora, 11, will default to the ext4 file system unless serious regressions are seen. In this quick tutorial you will learn about converting ext3 to ext4 file system.

ext4 Filesystem Features

The ext4 filesystem has more features and generally better performance than ext3, which is showing its age in the Linux filesystem world. Features include:

Delayed allocation & mballoc allocator for better on-disk allocation

  • Sub-second timestamps
  • Space preallocation
  • Journal checksumming
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