zfs send ... | zfs receive ... zfs send tank/home/fk/git/zogftw/.git@2014-07-27_21:07 | \ mbuffer -m 100M | \ zfs receive test/backup/r500/tank/home/fk/git/zogftw/.git zfs send -i @2014-07-27_21:07 tank/home/fk/git/zogftw/.git@2014-11-09_10:25 \ mbuffer -m 100M \ zfs receive test/backup/r500/tank/home/fk/git/zogftw/.git