this post was submitted on 16 Jun 2023
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Linux
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From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Interesting read. My understanding is that BTRFS has had long standing issues with it's parity raid configurations (I.e. Raid5/6). Recently, kernel version 6.2 seems to have added more fixes. I'll stick to the "wait and see" approach for the time being, as Raid1 is sufficient for my home server.
Other than the Raid5/6 issue, I don't know of any other issues with BTRFS losing data. If there are some, I'd love to know.
I had my first case of corruption a few days ago. It was super minor and only for one file. I don't really know how it happened, but it was mid-bittorrent download. My best guess was that it might have been from a bad shutdown but I simply deleted the file and it was fine.
I am really waiting for RAID 5 support, but I don't think that's going to get fixed until they get that new stripe tree feature in.
RAID5/6 are clearly marked as unstable in the docs, so that doesn't bother me too much. But there is definitely a history of corruption. I can't actually find any concrete info these days as the act seems to have been cleaned up recently. For example Red Hat started supporting BTRFS but dropped official support: https://archive.is/1VuTK