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Unlike dd, clone2fs does not copy the whole volume but only blocks that are actually in use. Therefore, it is usually faster. It's also faster than dump/restore, tar or similar backup software because it accesses the source and destination volumes sequentially most of the time.
Note that clone2fs allows you to clone a mounted file system without warning, even if it's writable. In the latter case, you have to run e2fsck on the resulting image in order to make it consistent. Since copying takes a while, changes made while clone2fs is working may or may not appear in the clone. If you need an exact clone, umount the source file system, or remount it in read-only mode.
This is version 1.0.0 of clone2fs, a program that copies an ext2/ext3 file system to another volume or an image file. In case the destination is a volume, it must provide enough space to hold the entire file system. If the source is larger than the destination, you can use resize2fs from the e2fsprogs package to shrink it before copying. Unlike dd, clone2fs does not copy the whole volume but only more»
Changes in clone2fs 1.2.0: * Changed license to GPL. Changes in clone2fs 1.1.0: * `clone2fs -s' writes a compact image; `clone2fs -r' restores it. `clone2fs -r' will read from standard input if you specify `-' as the source. Thus, you can clone a volume across the network with e.g. clone2fs -o - -q -s /dev/source | \ ssh target clone2fs -O /dev/destination -r - Note the more»
GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away yo more»