On 4/12/25 5:27 AM, lejeczek via users wrote:
Hi guys."Fedora Workstation 42 remains on the Btrfs file-system
might be interesting - https://www.phoronix.com/review/fedora-42- ubuntu-2504-zen5
L.
while Ubuntu 25.04 is sticking to the EXT4 file-system
out-of-the-box."
Hmmmmmmam. I really like ext4. I wonder why the
change?
Today, you really need a COW filesystem that can easily be dynamically extended to new disks as needed, a solution to the RAID5/6 inability to recover in a reasonable amount of time on today's large disks, do not need the additional complexities of LVM disk management under the filesystem, SSD erasure tagging, parallel reads/writes, bit-rot detection and correction, etc. EXT4 cannot handle any of those problems. EXT2/3/4 were always an interim solution.
ZFS is the cadillac of
filesystems, but is proprietary to Oracle. Ubuntu will
underwrite the legal costs for you using ZFS on Ubuntu, but no
other distro will. It is also not well suited to single-disk
workstations.
BTRFS gives you 90% of ZFS
capabilities, is almost as fast, works well on single-disk
workstations, and is a really good next step for 99% of users.
It has unfinished parts, like RAID5/6 write-hole problems just
like LVM has, and no native encryption yet. Fedora has only
partially moved to BTRFS, leaving the boot mechanism still on
EXT2 for unknown reasons. The Suse distros have been all-in on
BTRFS for a lot of years now, while Fedora only moved to it in
2021. Its been the default Fedora filesystem for 10 releases
now.
Interestingly, Fedora's parent
RedHat distro went with XFS instead of BTRFS for very unclear
reasons. Its good too, but the learning curve for fixing things
is very high, and it does not handle the normal bit-rot issues
at all.
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