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Creating a new ext4 filesystem is very easy once you have upgraded to e2fsprogs 1.41 or later. Simply type:

  1. mke2fs -t ext4 /dev/DEV


  1. mkfs.ext4 /dev/DEV

Once the filesystem is created, it can be mounted as follows:

  1. mount -t ext4 /dev/DEV /wherever

If you have a sufficiently new system, the "-t ext4" should not be needed.

NOTE: Although very large fileystems are on ext4's feature list, current e2fsprogs currently still limits the filesystem size to 2^32 blocks (16T for a 4k block filesystem). Filesystems larger than 16T is one of the very next high-priority features to complete for ext4.

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Page last modified on April 30, 2009, at 06:48 AM