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(im)Maturity long-term “production testing” was... painful =(

  • I deployed btrfs as the VM data storage for one customer in November 2013. That one customer became more work to
  • maintain than the entire rest of my client base.
  • I spent the entirety of Mother's Day in 2014 ripping btrfs back out and replacing it with ZFS due to chronic, never ending reliability, performance, and replication issues.