this post was submitted on 06 May 2024
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I found that copying directories was much more convenient for this kind of experimentation, since I was usually already working in a filemanager anyways. And thanks to BTRFS's copy-on-write support it was also instantaneous and didn't take up any additional space. So in the end very similar to snapshots.
+1
cp -a --reflink
is super useful for making quick no cost clones of huge directories.Afaik the
--reflink
isn't needed any more with modern coreutils versions.