Partclone

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• Disk cloning

Partclone, like the well-known Partimage, can be used to back up and restore a partition while considering only used blocks.

Installation

Install the partclone package.

Using Partclone with an ext4-formatted partition

Without compression

To backup without compression:

# partclone.ext4 -c -s /dev/sda1 -o ~/image_sda1.pcl

To restore it:

# partclone.ext4 -r -s ~/image_sda1.pcl -o /dev/sda1

With compression

To backup with compression:

# partclone.ext4 -c -s /dev/sda1 | lz4 -z > ~/image_sda1.pcl.lz4

Tip: For maximum compression use lz4 -z -12, or experiment with other compression tools.

To restore it:

# lz4 -d -c ~/image_sda1.pcl.lz4 | partclone.ext4 -r -o /dev/sda1