[scottlamb]

> It seems a lot of people have these stories, and then people like me and OP who have had btrfs survive the most fucked up situations (I've had a btrfs nas built on "random drives I've had lying around" and abused it for 5 years and had 0 bugs at all).

Why wouldn't you expect it to survive that? Is there a particular reason to believe those drives are broken? I.e., are they older consumer drives known to lie about cache flushes? do they have bad sectors? How have you abused it? What kind of load? Did you fill the filesystem (which another commenter mentioned seems to be a common element of most sad btrfs stories)? did your system frequently lose power while under write load?

Lacking more details, I'd just say one user experiencing 0 bugs in 5 years should be completely unremarkable. I expect filesystems to be very reliable, so a lot of people having stories of corruption means stay away from btrfs. Having some people with stories of no corruption doesn't really move the needle. Together, these stories still mean stay away from btrfs!

[cmurf]

That's hyperbole, it can't be taken seriously. OpenSUSE uses Btrfs by default, if there were more problems outside what's expected by md+LVM+ext4 (or XFS), which is the feature comprised by Btrfs and then some, they wouldn't have made the on-going investments they have. Facebook has been using it in production with thousands of installations for years.

You want details from people experiencing zero problems, but you don't ask for details from people who are? That's a weird way to go about conducting the necessary autopsies, to discover and fix bugs.

Anyway, I monitor the upstream filesystems lists, and they all have bugs. They're all fixing bugs. They're all adding new features. And that introduces bugs that need fixing. It's not that remarkable, until of course someone suggests only one file system is to be avoided, while also providing no details, but depends on conjecture.

[scottlamb]

I asked RX14 why they called out their lack of problems as remarkable ("survive the most fucked up situations"). It sounds strange, as I mentioned.

I don't need to ask people who've had problems because I've had them myself, in unremarkable circumstances, a while back. I'm sure I could find reports on the mailing list as well, in which others have already asked for details.