OpenZFS

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OpenZFS topic overview

The analysis highlights History, Overview and Version history as prominent areas in the source structure around OpenZFS.

Related topics: 97
Source areas: 4
Connected nodes: 101
Extracted relationships: 58
Concept neighborhoods: 29
Bridge connections: 101

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 68 topics

History · 20 topics

Implementations · 5 topics

Version history · 4 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developer: OpenZFS Project
License: Common Development and Distribution License
Operating system: OpenSolaris, illumos, OpenIndiana, FreeBSD, NetBSD, macOS, Linux, OSv
Original author: Sun Microsystems
Preview release: 2.4.0-rc5 / December 11, 2025; 8 months ago (2025-12-11)
Release: Ported to various systems between 2006 and 2010. Forked from OpenSolaris August 2010; 16 years ago (2010-08)

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Open-source
ZFS
File system
Volume manager
Sun Microsystems
Solaris Oracle Solaris
Data compression
Data deduplication
Copy-on-write
Snapshots Snapshot (computer storage)
RAID-Z
Virtual devices Device driver
Data center
Network-attached storage
Linux
BSD Berkeley Software Distribution
MacOS
Oracle ZFS
Common Development and Distribution License
Kernel module Loadable kernel module
OpenIndiana
Illumos
DragonFlyBSD
Google Summer of Code
NetBSD
FreeBSD
CIFS
ISCSI
Samba Samba (software)
MidnightBSD
TrueOS
TrueNAS
PC-BSD
PfSense
Router Router (computing)
OPNsense
Firewall Firewall (computing)
XigmaNAS
Debian GNU/kFreeBSD
GRUB GNU GRUB
FUSE FUSE (Linux)
Filesystem
Userspace
Kernel space
Lawrence Livermore National Laboratory
Lustre Lustre (file system)
GitHub
POSIX
GA General availability
Feature flags OpenZFS
STec, Inc.
Gentoo Linux
Slackware
Kernels Kernel (operating system)
Ubuntu Ubuntu (operating system)
Kernel module
Software Freedom Law Center
Xenial Xerus
Canonical Canonical (company)
IXsystems
Debian Linux Debian
Gluster
GPL
Shim Shim (computing)
TRIM Trim (computing)
ACLs Access control list
AES-GCM
Metadata

History

Solaris Solaris (operating system)
OpenSolaris
Operating system
FUSE Filesystem in Userspace
Mac OS X 10.9 OS X Mavericks
Acquisition of Sun Microsystems by Oracle Acquisition of Sun Microsystems by Oracle Corporation
Forked Fork (software development)
Ubuntu 16.04 Ubuntu version history
FSF Free Software Foundation
Legal incompatibility between the CDDL and the GPL CDDL and GPL legal incompatibility
Linux kernel
Mainline Linux kernel Linux kernel mainline
Linux distributions Linux distribution
Userspace User space and kernel space
Ubuntu
LTS Long-term support
Mac OS X 10.5
Apple Apple Inc.
Snow Leopard Server Mac OS X Snow Leopard Server
FAQ

Implementations

Version history

Versioning system Software versioning
Distributed development
Backward-compatible Backward compatibility
Feature flags

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How OpenZFS connects Entity context

The extracted context around OpenZFS shows recurring relationship patterns in the source. For example, OpenZFS → ARC, GreenBytes, Inc, L2ARC, Linux, LZ4, Mac ZFS, MacZFS, O3X, Open ZFS, Oracle, OSX, SLOG, Solaris Porting Layer, SPL, The, This, Zevo, ZFS Another extracted example is OpenZFS → Alex Reece, Archived May, January, Matt AhrensOpenZFS Device Removal, October, The OpenZFS Project, Wayback Machine, Webpage GitHub, Webpage GitHub GoogleWindows, Webpage GitHubLinux, Webpage GitHubmacOS, Webpage GitHubOpenZFS Office Hours, YouTube. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to macOS · 19

OpenZFS → ARC, GreenBytes, Inc, L2ARC, Linux, LZ4, Mac ZFS, MacZFS, O3X, Open ZFS, Oracle, OSX, SLOG, Solaris Porting Layer, SPL, The, This, Zevo, ZFS

related to External links · 13

OpenZFS → Alex Reece, Archived May, January, Matt AhrensOpenZFS Device Removal, October, The OpenZFS Project, Wayback Machine, Webpage GitHub, Webpage GitHub GoogleWindows, Webpage GitHubLinux, Webpage GitHubmacOS, Webpage GitHubOpenZFS Office Hours, YouTube

related to Microsoft Windows · 6

OpenZFS → BETA, GitHub, In October, Jörgen Lundman, OpenZFS Developer Summit, ZFS

related to Pool versions and feature flags · 6

OpenZFS → In, Oracle Solaris, Originally, The, This, ZFS

Developer · 1

OpenZFS → OpenZFS Project

License · 1

OpenZFS → Common Development and Distribution License

Operating system · 1

OpenZFS → OpenSolaris, illumos, OpenIndiana, FreeBSD, NetBSD, macOS, Linux, OSv

Original author · 1

OpenZFS → Sun Microsystems

Preview release · 1

OpenZFS → 2.4.0-rc5 / December 11, 2025; 8 months ago (2025-12-11)

Release · 1

OpenZFS → Ported to various systems between 2006 and 2010. Forked from OpenSolaris August 2010; 16 years ago (2010-08)

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

zfs linux version feature development pool features freebsd system support project kernel code release implementation port source file new used

OpenZFS relationships Subject–Predicate–Object triples

TTTA extracted 58 structured relationships around OpenZFS. Examples in this analysis include OpenZFS → Developer → OpenZFS Project and OpenZFS → License → Common Development and Distribution License. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
OpenZFS	Developer	OpenZFS Project	1.00	infobox
OpenZFS	License	Common Development and Distribution License	1.00	infobox
OpenZFS	Operating system	OpenSolaris, illumos, OpenIndiana, FreeBSD, NetBSD, macOS, Linux, OSv	1.00	infobox
OpenZFS	Original author	Sun Microsystems	1.00	infobox
OpenZFS	Preview release	2.4.0-rc5 / December 11, 2025; 8 months ago (2025-12-11)	1.00	infobox
OpenZFS	Release	Ported to various systems between 2006 and 2010. Forked from OpenSolaris August 2010; 16 years ago (2010-08)	1.00	infobox
OpenZFS	Repository	github.com/openzfs/zfs	1.00	infobox
OpenZFS	Stable release	2.4.4 / 21 August 2026; 3 days ago (21 August 2026)	1.00	infobox
OpenZFS	Website	openzfs.org	1.00	infobox
OpenZFS	Written in	C	1.00	infobox
OpenZFS	is a	open-source implementation of the ZFS file system and volume manager initially developed by Sun Microsystems for the Solaris operating system	0.90	text
the Software Freedom Law Center followed Ubuntu's conclusion	instance of	Other organizations	0.80	text

Related concept clusters Concept neighborhoods

The concept neighborhoods around OpenZFS bring nearby vocabulary together. In this analysis, examples include Feature, Flags and Pool. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

OpenZFS
- Feature
- Flags
- Pool
- Features
- New
- Linux
- Freebsd
- Support
- Zfs
- System
- File
- Development
openzfs
- Feature
- Flags
- Pool
- Features
- New
- Linux
- Freebsd
- Support
- Zfs
- System
- File
- Development
zfs
- Development
- Linux
- Version
- Support
- Project
- Code
- Source
- System
- Freebsd
- Openzfs
- Port
- Release
file system
- System
- Operating
- Zfs
- Development
- License
- Used
- Distribution
- Implementation
- Macos
- Openzfs
- Format
- On-disk
linux
- Zfs
- Kernel
- Openzfs
- Systems
- Version
- Used
- Macos
- Feature
- Port
- Release
- Support
- Distribution
macos
- Opensolaris
- Solaris
- Project
- Illumos
- Systems
- Freebsd
- Distribution
- Release
- System
- Support
- Openzfs
- Ubuntu
oracle zfs
- Development
- Linux
- Version
- Support
- Project
- Code
- Source
- System
- Freebsd
- Openzfs
- Port
- Release
common development and distribution license
- License
- Source
- Zfs
- Freebsd
- Linux
- Operating
- Open
- Opensolaris
- Based
- Project
- Systems
- Code

Connections between topic areas Semantic bridges

For OpenZFS, one of the stronger structural bridges in this analysis connects OpenZFS with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

OpenZFS — Overview · splits 33 ⟂ 69

OpenZFS — History · splits 81 ⟂ 21

OpenZFS — Implementations · splits 96 ⟂ 6

OpenZFS — Version history · splits 97 ⟂ 5

Map overview Semantic statistics

OpenZFS

Nodes102

Edges101

Triples58

Avg. degree1.98

Density0.019608

Components1

Source & methodology

TTTA analyzes the structure around OpenZFS to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Overview & Version history, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — OpenZFS · EN edition · Analysis: TopicsToTalkAbout