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ZFS (previously Zettabyte File System) is a file system with volume management capabilities. It began as part of the Sun Microsystems Solaris operating system in 2001. Large parts of Solaris, including ZFS, were published under an open source license as OpenSolaris for around 5 years from 2005 before being placed under a closed source license when Oracle Corporation acquired Sun in 2009–2010.
As the FSF (Free Software Foundation) claimed that there was a legal incompatibility between the CDDL and the GPL in 2005, Sun's implementation of the ZFS file system couldn't be used as a basis for the development of a module in the Linux kernel, couldn't be merged into the mainline Linux kernel, and Linux distributions generally did not include it as a precompiled kernel module.
TrueNAS (formerly FreeNAS) is a family of network-attached storage (NAS) products produced by iXsystems, incorporating both open-source and commercial software. Based on the OpenZFS file system, TrueNAS runs on FreeBSD as well as Linux and is available under the BSD License.
NexentaStor supports iSCSI, unlimited incremental backups ('snapshots'), snapshot mirroring (replication), continuous data protection, integrated search within ZFS snapshots, and an API. Nexenta distributes the operating system as a disk image. The Community Edition is available free of charge for users with up 10 TB of used disk space who ...
Oracle ZFS is Oracle's proprietary implementation of the ZFS file system and logical volume manager for Oracle Solaris. ZFS is a registered trademark belonging to ...
IBM stated that z/OS users should migrate from HFS to zFS, and in z/OS V2R5 dropped support for HFS. HFS – Hierarchical File System, in use until HFS+ was introduced on Mac OS 8.1. Also known as Mac OS Standard format. Successor to Macintosh File System (MFS) & predecessor to HFS+; not to be confused with IBM's HFS provided with z/OS
z/OS File System (zFS) (official name: z/OS® Distributed File Service zSeries® File System) is a POSIX-style hierarchical file system for IBM's z/OS operating system for z System mainframes, a successor to that operating system's HFS.
Mac OS X Lion: Core Storage: Yes [9] No No No No No No Currently, it is used in Lion's implementation of FileVault, in order to allow for full disk encryption, as well as Fusion Drive, which is merely a multi-PV LVG. Snapshots are handled by Time Machine; Software-based RAID is provided by AppleRAID. Both are separate from Core Storage.