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We're using both btrfs and zfsonlinux right now, in production, and fortunately we're not consistently running into issues (I'd be hearing about it if we were!)

We're using both btrfs and zfsonlinux right now, in production, and fortunately we're not consistently running into issues (I'd be hearing about it if we were!). I should note that we do have a higher risk tolerance than many other companies, due to the way the cloud is architected to be fault tolerant. Chaos monkey can just kill instances anytime, and it's designed to handle that. Anyway, getting into specific differences is something that we should blog about at some point (the Titus team).

Veratyr 9y ago
Do you use replication at all? I have a feeling the reason why nobody else sees my problems is that most folks will be using a system like Ceph for distributed replication rather than BTRFS for local replication.
aidenn0 9y ago
Have you not seen issues with kernel upgrades? I had kernel upgrades cause btrfs to fail to mount as recently as 2016 (at which point I switched to zfs).