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RAID, Btrfs, ZFS and the write hole, among other things

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    RAID, Btrfs, ZFS and the write hole, among other things

    Keep in mind that this video was made 3 years ago. A lot of the functionality he says "will be added in the future" has been added. Part 2 of this video is in the next post.

    Last edited by GreyGeek; Jul 19, 2018, 08:19 PM.
    "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
    – John F. Kennedy, February 26, 1962.

    #2
    Part 2 of the series begun in the first post. Actual Btrfs stuff starts at 16 minutes. RAID5 &6 have been patched, but the caution light is still on. The RAID5 write hole probably isn't something Btrfs (or ZFS) can fix because overcoming that requires battery powered raid on disk controllers. In a sense, a laptop with a good battery has an "UPS" and battery powered disk controllers, so I suspect that the Btrfs devs will work something out in regard to the write hole.
    Last edited by GreyGeek; Jul 19, 2018, 08:41 PM.
    "A nation that is afraid to let its people judge the truth and falsehood in an open market is a nation that is afraid of its people.”
    – John F. Kennedy, February 26, 1962.

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