> I'm strongly against this proposal. BTRFS is the most unstable file > system I ever seen. It can break up even under an ideal conditions and > lead to a complete data loss. There are lots of complaints and bug > reports in Linux kernel bugzilla and Reddit. Without providing evidence, this is just unsubstantiated FUD. As with any piece of software, also btrfs may have bugs, but the only know issue which may have implications with regard to data loss are the raid5/6 write holes, which are documented on btrfs' gotchas [1] and status [2] pages. However, there are many other good reasons why raid5/6 configurations should be avoided - with any filesystem. For more detailed explanations see [3] and [4]. Even though these articles are written for ZFS, the drawbacks around raid5/6 apply equally well to other filesystems.
Also, to note, many of the early "issues" and "bug" reports around btrfs were due to user-space utilities such as snapper. I ran into some of these issues myself (specifically a issue with meta-data on openSUSE at around 2012), which made me very sceptical of btrfs for several years. However, I recently did my research on modern filesystems when setting up a home NAS and came to the conclusion that ZFS and btrfs are the best filesystems currently available. I subsequently opted for ZFS due to the excellent community support and user-space utilities, and do not only use ZFS for the NAS, but also on my Fedora laptop. I personally like the articles on modern filesystems by Jim Salter, where especially the one from 2014 discusses the advantages of ZFS and btrfs [5]. (That article was a excellent entry point to the topic for, and is especially well suited for people otherwise not really familiar with this topic.) Armin [1] https://btrfs.wiki.kernel.org/index.php/Gotchas [2] https://btrfs.wiki.kernel.org/index.php/Status [3] https://jrs-s.net/2015/02/06/zfs-you-should-use-mirror-vdevs-not-raidz/ [4] http://nex7.blogspot.com/2013/03/readme1st.html [5] https://arstechnica.com/information-technology/2014/01/bitrot-and-atomic-cows-inside-next-gen-filesystems/ _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org
