On Mon, 2009-10-19 at 18:13 -0700, Adam Leventhal wrote:
> [dedupditto] allows the administrator to select a threshhold after
> which 2 copies of a block are stored rather than 1. For example, if
> many duplicate blocks exist deduplication would reduce that count to
> just 1; at some threshhold, it becomes desirable to have multiple
> copies to guard against the multiplied effects of the loss of a single
> block. The default value is '100'.
What's the interaction between the zfs "copies" property and
"dedupditto" ?
(my hope would be that if any filesystem referencing a block has
copies=2 or copies=3 at the time the reference is created, that block
will be dittoed the appropriate number of times if it wasn't already).
- Bill
