====== ZFS - Structure ====== ZFS merges the traditional volume management and filesystem layers. * It uses a copy-on-write transactional mechanism. * The system is very structurally different than conventional filesystems and RAID arrays. * The first set of major building blocks to understand are zpools, vdevs, and devices. [[ZFS:Structure:zpool|zpool]] [[ZFS:Structure:vdev|vdev]] [[ZFS:Structure:device|device]] [[ZFS:Structure:Datasets|Datasets]] [[ZFS:Structure:Blocks|Blocks]] [[ZFS:Structure:Sectors|Sectors]] [[ZFS:Structure:Copy-on-Write semantics|Copy-on-Write semantics]] [[ZFS:Structure:ZIL (ZFS Intent Log)|ZIL (ZFS Intent Log)]] [[ZFS:Compression|Compression]]