Actually,Time machine is not and has never been based on zfs. It is implemented ... | Hacker News

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Locke1689 on Aug 30, 2009 | parent | context | favorite | on: Apple kicks ZFS in the butt

Actually,Time machine is not and has never been based on zfs. It is implemented using hfs+, journaling, and a kernel/fs modification for journaling and hard links. A time machine snapshot is basically modified hard link journals.

Herring on Aug 30, 2009 [–]

You clearly have a solid backup infrastructure.

Locke1689 on Aug 30, 2009 | [–]

By that I mean that it saves hard links to "bundles" which haven't changed.

P.S. Woops, iPhone + airport == spotty internet.

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