On 09 August, 2010 - David Dyer-Bennet sent me these 1,2K bytes:
> If I have a directory with a bazillion files in it (or, let's say, a
> directory subtree full of raw camera images, about 15MB each, totalling
> say 50GB) on a ZFS filesystem, and take daily snapshots of it (without
> altering it),
>If I have a directory with a bazillion files in it (or, let's say, a
>directory subtree full of raw camera images, about 15MB each, totalling
>say 50GB) on a ZFS filesystem, and take daily snapshots of it (without
>altering it), the snapshots use almost no extra space, I know.
>
>If I now rename
