>>>>> "dp" == Daniel Phillips <[EMAIL PROTECTED]> writes:

    dp> What if you don't want it to be a full fledged independent,
    dp> but instead continue to share as much storage as possible with
    dp> the original filesystem?

The Fine Man page says in very clear orange-and-black text that no new
space is consumed by promoting a clone.

However, to my reading, the OP is wrong, and you can't free space in
the way you want to.  You can't delete the snapshot until you delete
all writeable clones of it but one.  Assuming you accept this rule and
still want to delete the snapshot, 'promote' lets you pick which clone
you'd like to survive.  The man page implies that's its primary
intended purpose.

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