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So if I’m running a Proxmox on ZFS and NVMEs, will I be better off enabling Direct IO when 2.3 gets rolled out? What are the use cases for it?

• Saris 2y ago
  I would guess for very high performance NVMe drives.
• 0x457 2y ago
  Direct IO useful for databases and other applications that use their own disk caching layer. Without knowing what you run in Proxmox no one will be able to tell you if it's beneficial or not.