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The Zettabyte File System is a high performance file system from Sun. Apple has announced that the server version of Mac OS X 10.6, “Snow Leopard” will have ZFS support. In addition to the tremendous benefits of adding drives to pools, it could dramatically change the concept of Time Machine. While it’s only been announced for the server version, it could trickle down to client as soon as 10.6.1. HFS+, the current file system for Mac OS, was also first included in a server release, and came down to the client later.

Resources

• Why ZFS Matters to Mac Users
• A PDF overview of ZFS, from the guys that created it.
• Benchmarks comparing ZFS with XFS and Ext4.
• Hate and Counter-Hate concerning the future implementation of ZFS in Mac OS X. It’s incredible to me how short-sighted people can be. Does anyone really believe that software or hardware don’t change? And, if it doesn’t work perfectly now or it’s unnecessary now means that somehow it will never work or be necessary? Sheesh.
• Apple announces ZFS in Snow Leopard
  Money quote: “More capacity. Not more management.”