FreeNAS Volume Setup

Settings for maximum space with redundancy for the volume named primary.

Note: By default, RaidZ2 (mirrored RaidZ) is selected for a four disk configuration. Remember to select RaidZ1.

Theoretically, for four disks, one disk is lost for parity. Available capacity will be 75% (three out of four disks). FreeNAS estimates the available capacity as 68.2% (16.37/24). Actual capacity was slightly less at 63.73% (15.3/24).


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