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Btrfs In 2014: RAID5/RAID6, Data Deduplication

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  • Btrfs In 2014: RAID5/RAID6, Data Deduplication

    Phoronix: Btrfs In 2014: RAID5/RAID6, Data Deduplication

    Samsung's F2FS isn't the only Linux file-system receiving new features but the Btrfs developers are currently baking some new treats of their own...

    http://www.phoronix.com/vr.php?view=MTU2NDQ

  • #2
    Originally posted by phoronix View Post
    Phoronix: Btrfs In 2014: RAID5/RAID6, Data Deduplication

    Samsung's F2FS isn't the only Linux file-system receiving new features but the Btrfs developers are currently baking some new treats of their own...
    Data dedup could be really nice especially for SSDs, where space is still expensive. Furthermore, is might come very handy for users with chroot environments (with similar distributions) stored on btrfs.

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    • #3

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      • #4
        Originally posted by johnc View Post
        img
        well although I must admit I'd like to see raid 5, I'm already using btrfs in my personal server, so they do deliver, if only partially.

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        • #5
          Originally posted by johnc View Post
          LOL agree
          ## VGA ##
          AMD: X1950XTX, HD3870, HD5870
          Intel: GMA45, HD3000 (Core i5 2500K)

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          • #6
            Originally posted by johnc View Post
            Well, they do say good things come to those who wait. I must therefore conclude that the above is a good thing.

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            • #7
              It would be pretty interesting to see some benchmarks of btrfs+bcache with various SSD optimizations enabled. Apparently the default behaviour is that btrfs detects the SSD and enables them, but bcache then sends sequential writes straight to the spinning rust. [1]

              [1] http://www.spinics.net/lists/linux-bcache/msg02042.html

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              • #8
                Who in their right mind use RAID5? I think it is better if they focus on RAID6 and shoot for triple-parity RAID instead.

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