Ok, thank you Nils, Wade for the concise replies. After much reading I agree that the ZFS-development queued features do deserve a higher ranking on the priority list (pool-shrinking/disk-removal and user/group quotas would be my favourites), so probably the deduplication tool I'd need would, indeed, probably be some community-contributed script which does many hash-checks in zone-root file systems and does what Nils described to calculate the most-common "template" filesystem and derive zone roots as minimal changes to it.
Does anybody with a wider awareness know of such readily-available scripts on some blog? :) Does some script-usable ZFS API (if any) provide for fetching block/file hashes (checksums) stored in the filesystem itself? In fact, am I wrong to expect file-checksums to be readily available? This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss