ZFS was originally developed by Sun Microsystems. ZFS storage is a combination of filesystem and LVM, providing high-capacity storage with important features, such as data protection, data compression, self-healing, and snapshots. ZFS has built-in software-defined RAID, which makes the use of hardware-based RAID unnecessary. A disk array with ZFS RAID can be migrated to a completely different node, and then entirely imported without rebuilding the entire array. We can only store .raw format virtual disk images on the ZFS storage. For more details on ZFS, refer to http://en.wikipedia.org/wiki/ZFS.
As of Proxmox VE 4.1, a ZFS storage plugin is included, which leverages the use of ZFS natively in Proxmox cluster nodes. A ZFS pool supports ...