On Wed, 04 Mar 2009, Goswin von Brederlow wrote: > Bernd and I ment the following scenario: > > /dev/sda1 /union/read-only > tmpfs /union/read-write > > with a delta-fs merging the two. Then running "echo foo > > /union/read-only/path/file" could be desasterous to your data. Well, if the writable branch is really meant to be a clone of the underlying fs, then yes. But writable unions are _not_ clones either, very far from that. > The underlying branch must not change on its own. The delta-fs could > change it on command but that wasn't what we where thinking of. Delta-fs could deal with changes in the underlying filesystem, in some cases much better than unionfs (for example if the file was renamed in the delta-fs, and it was later modified in the underlying fs). Thanks, Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
