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My guess it's using some tech similar to ZFS. Creating a 4GB log drive for writing, and the rest as a cache drive. Sounds like they abandoned the adaption of ZF
by thereallurch 14y ago
My guess it's using some tech similar to ZFS. Creating a 4GB log drive for writing, and the rest as a cache drive. Sounds like they abandoned the adaption of ZFS to make their own interpretation.
- r00fus 14y agoGiven the patent-trolling that NetApp was waging against Sun for ZFS, perhaps Apple was wise to stay away (let's leave aside how depressing that is).
- rsanders 14y agoI wanted ZFS as much as anybody, but NetApp did push the state of the art in some areas of filesystem design and the first thing everybody who used NetApp said when they heard about ZFS was "cool, it's like a NetApp". Sometimes it's not trolling; it's just enforcing your rightful patents.
- rsanders 14y agoIt doesn't sound like a cache at all. Think of it like their old "hotfiles" relocation to the faster part of the disk, only now they're relocating the blocks from entire files to the faster volume in the corestorage group.