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File System Benefits
(lemm.ee)
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this post was submitted on 11 Sep 2023
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It's worth noting that the default file system varies by distro - there is no 'Linux' default. For example, RHEL et al use XFS as the default.
I thought RHEL is going with ext4 or btrfs these days. I know Fedora is on btrfs, while Debian & Ubuntu is on ext4.
RHEL is going hard on XFS, they've even completely removed BTRFS support from their kernel - they don't have any in-house development competency in it after all. It's somewhat understandable in that regard, since otherwise they wouldn't necessarily be able to offer filesystem-level support to their paying customers.
Though it is a little bit amusing, seeing as Fedora - the RHEL upstream - uses BTRFS as their default filesystem.
If there is one thing one can learn from the Linux community at large is how to agree on absolutely nothing and still be friends (mostly, that is. As long as Linus isn't involved. Then the gloves are off. Who dared to put rust in the kernel?!)
Lennart Poettering has entered the chat
Is Red Hat the next canonical?
Fedora’s gone the btrfs route, RHEL has all but given up on btrfs, pushing xfs
make menuconfig says:
And this for ext4:
But defaly indeed is ext4.
ext4 is literally just the latest version of the ext filesystem (AKA it has the most funcionality).
If you REALLY wanted MAX speed, you could make your system drive ext2, but you would lose some metadata, drive info & management tools.
It says it is "a" standard file system - not "the" standard. Very different things.