By Dmitry Kuzmenko, 2 What is On-Disk Structure (ODS) Number In simple words, ODS (On-Disk Structure) is a number of database file format for the particular Firebird or InterBase RDBMS version.
FreeNAS makes replicating datasets or ZVOLs easy! In this example, we'll walk through how to set this up on FreeNAS 11.2 (new UI).