[zfs-discuss] Feature Request: Trivial/Inline/In Place/Static/Over-write Deduplication. Tentative offer to implement

Richard Laager rlaager at wiktel.com
Mon Oct 14 09:51:40 EDT 2013

On Mon, 2013-10-14 at 00:12 -0700, Schlacta, Christ wrote:
> I want to run dd if=/dev/sdx of=/dev/zvol/backups/disk-name and simply
> take a backup of the whole 8 or 16GiB disk, but only actually commit
> to zfs disk the changed blocks.

Set checksum=sha256 on your datasets and make sure nop-write has been
ported from Illumos to ZoL.

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