suse man page for btrfs-image

BTRFS-IMAGE(8)						      System Manager's Manual						    BTRFS-IMAGE(8)

NAME
       btrfs-image - create/restore an image of the filesystem

SYNOPSIS
       btrfs-image [options] source target

DESCRIPTION
       btrfs-image  is	used to create an image of a btrfs filesystem. All data will be zeroed, but metadata and the like is preserved.  source is
       the special file corresponding to the device containing a btrfs filesystem.  (e.g /dev/sdXX).  target is the image  file  that  btrfs-image
       creates. When used with -r option, btrfs-image restores the image file from source into target.

OPTIONS
       -r     restore metadump image.

       -c value
	      compression level (0 ~ 9).

       -t value
	      number of threads (1 ~ 32) to be used to process the image dump or restore.

AVAILABILITY
       btrfs-image  is	part of btrfs-progs. Btrfs is currently under heavy development, and not suitable for any uses other than benchmarking and
       review.	Please refer to the btrfs wiki http://btrfs.wiki.kernel.org for further details.

SEE ALSO
       btrfsck(8),btrfsctl(8),mkfs.btrfs(8)

																    BTRFS-IMAGE(8)