this post was submitted on 12 Aug 2024
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    submitted 8 months ago by 0x4E4F@sh.itjust.works to c/linuxmemes@lemmy.world
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    [–] wreckedcarzz@lemmy.world 44 points 8 months ago (6 children)

    What's wrong with btrfs?

    [–] ipha@lemm.ee 73 points 8 months ago

    This is a rather old form and in its early days btrfs was not very stable.

    [–] 0x4E4F@sh.itjust.works 20 points 8 months ago

    People don't know how CoW FSes work 🀷.

    [–] SpeakinTelnet@sh.itjust.works 10 points 8 months ago (1 children)

    My only gripe with btrfs is that I've had systems come down from a single drive failure in raid quite "often" when compared to other FS.

    ZFS is a ram hog but I always could do a live resilvering without downtime.

    [–] hersh@literature.cafe 1 points 8 months ago (4 children)

    btrfs's RAID features are not production-ready, and at this point I doubt they ever will be. See:

    https://en.wikipedia.org/wiki/Btrfs#Implemented_but_not_recommended_for_production_use

    https://wiki.archlinux.org/title/Btrfs

    https://www.phoronix.com/news/Btrfs-Warning-RAID5-RAID6

    ZFS is definitely more robust.

    [–] SpeakinTelnet@sh.itjust.works 4 points 8 months ago (1 children)

    It is true for raid 5 & 6. Raid 0, 1, and 10 are supposed to be production ready. I use raid 10 only with btrfs, anything else and I use zfs or mdadm.

    [–] possiblylinux127@lemmy.zip 1 points 8 months ago

    I wouldn't go above two disks

    [–] possiblylinux127@lemmy.zip 2 points 8 months ago

    Raid 1 is stable. The problem is that btrfs has performance issues with resilvering a large amount of data. That isn't something that can be fixed as it is a design flaw.

    Maybe bcachfs will be production ready at some point

    [–] BCsven@lemmy.ca 2 points 8 months ago

    You have to avoid the raid types is lists as not ready. Looks like facebook uses btrfs without issues

    [–] felsiq@lemmy.zip 5 points 8 months ago

    I don’t think I’d call it anything wrong, but the subvolumes definitely do make it different for installation purposes so that following ext4 instructions for bootloader configs or kernel arguments could put you on the wrong path

    [–] possiblylinux127@lemmy.zip 5 points 8 months ago

    Nothing these days

    [–] eager_eagle@lemmy.world 0 points 8 months ago* (last edited 8 months ago) (1 children)

    performance

    opening programs was noticeably slower for me

    benchmarks confirm this, and I think this is an aspect not discussed often enough

    [–] possiblylinux127@lemmy.zip 1 points 8 months ago

    I benchmarked it and it blew XFS out of the water