Explore how the 'zfs send' and 'receive' commands enable efficient data synchronization for high-availability storage services, ensuring quick, reliable failovers between replica systems with up-to-date incremental changes.
Describes the zrep script that uses zfs send and receive over network to keep a read-only copy of snapshots up-to-date.
By default it consumes 30% of RAM as cache (ARC). And, we have btrfs now, which is a huge contender “CoW” filesystem for desktop.