Recover BTRFS Array After Device Failure

Today, one of the drives in my BTRFS RAID 10 array failed and I am posting how to handle the situation for others, and in case it ever comes up again. Symptoms I run non-critical Virtualbox instances over an NFS to my BTRFS RAID array, and I've been doing this…

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BTRFS Cheatsheet

BTRFS (sometimes pronounced butter-fs) is a filesystem developed by Oracle (maintainers of Virtualbox and Java). It is a copy-on-write (CoW) filesystem, which allows one to implement advanced features such as snapshotting and bitrot detection/ removal. The best reason to use BTRFS is that it allows one to add additional drives…

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