maemo.org - Talk - View Single Post - Help needed to do a backup

	pichlo	2014-09-14 , 14:41
	Posts: 6,445 \| Thanked: 20,981 times \| Joined on Sep 2012 @ UK	#26

Originally Posted by peterleinchen

Originally Posted by nieldk
Unless You did some magic, the partition on Jolla is 14.8 Gb and doing a 1/1 dump will make a dd copy that size.

Right. Unless you put that file onto a storage with compression, like NTFS4 introduced (as I assume lots of zeros on p28).

I am sure you realize that a file stored on a compressed FS still has the original size (as does a sparse file for that matter, although that is not discussed here). The available space left on the drive may decrease by less than the new file size but that is irrelevant.

IOW, a 14GB file will not magically turn into a 4GB file when copied to a compressed FS. It will still be a 14GB file, albeit it may occupy only 4GB (or less) real space.

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