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ZFS

Glossary

  • ZPool is the logical unit of the underlying disks, what zfs use.
  • ZVol is an emulated Block Device provided by ZFS
  • ZIL is ZFS Intent Log, it is a small block device ZFS uses to write faster
  • ARC is Adaptive Replacement Cache and located in Ram, its the Level 1 cache.
  • L2ARC is Layer2 Adaptive Replacement Cache and should be on an fast device (like SSD).

Resources