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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.
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 Oracle. ZFS is a registered trademark belonging to Oracle.
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.
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.
The z/OS File System (zFS) was released as the higher performance successor to HFS in 1995, and IBM recommended migration from HFS to zFS. Following the release of zFS, z/OS releases included a tool, BPXWH2Z, to convert HFS to zFS. [7] IBM dropped the use of HFS in z/OS 2.5, in 2021. [6]
zFS was an IBM research project to develop a distributed, decentralized file system. It was a follow-on to the IBM DSF (Data Sharing Facility) project to build a serverless file system. It was a follow-on to the IBM DSF (Data Sharing Facility) project to build a serverless file system.
zFS (IBM file system project), an experimental decentralized file system ZFS+ , ZFS with proprietary data de-duplication technology extensions by GreenBytes Oracle ZFS , a proprietary version of ZFS for Oracle Solaris
The hope was due to Stratis configuration daemon being in userland, it would more quickly reach maturity versus the years of kernel level development of file systems ZFS and Btrfs. [ 2 ] [ 3 ] It is built upon enterprise-tested components LVM and XFS with over a decade of enterprise deployments and the lessons learned from System Storage ...