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Btrfs In 2014: RAID5/RAID6, Data Deduplication

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  • phoronix
    started a topic Btrfs In 2014: RAID5/RAID6, Data Deduplication

    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

  • axero
    replied
    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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  • rdnetto
    replied
    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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  • DeeK
    replied
    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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  • darkbasic
    replied
    Originally posted by johnc View Post
    LOL agree

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  • erendorn
    replied
    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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  • johnc
    replied

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  • oleid
    replied
    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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