Oracle ZFS

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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.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

History

Solaris 10

In update 2 and later, ZFS is part of Sun's own Solaris 10 operating system and is thus available on both SPARC and x86-based systems.

Solaris 11

After Oracle's Solaris 11 Express release, the OS/Net consolidation (the main OS code) was made proprietary and closed-source,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and further ZFS upgrades and implementations inside Solaris (such as encryption) are not compatible with other non-proprietary implementations which use previous versions of ZFS.

When creating a new ZFS pool, to retain the ability to use access the pool from other non-proprietary Solaris-based distributions, it is recommended to upgrade to Solaris 11 Express from OpenSolaris (snv_134b), and thereby stay at ZFS version 28.

Future development

On September 2, 2017, Simon Phipps reported that Oracle had laid off virtually all of its Solaris core development staff, interpreting it as a sign that Oracle no longer intends to support future development of the platform.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

Version history

Legend:

Template:No

Template:Proprietary

ZFS Filesystem Version Number	OS Release	Significant changes
Template:No	Solaris 11.1	citation	CitationClass=web }}</ref>
Template:No	Solaris 11.4 SRU 45	File retention support<ref name="fs-versions-2022"/>
Template:Proprietary	Solaris 11.4 SRU 51	Unicode versioning support<ref name="fs-versions-2022"/>

ZFS Pool Version Number	OS Release	Significant changes
Template:No	Solaris Nevada b148	RAID-Z/mirror hybrid allocator
Template:No	Solaris Nevada b149	ZFS encryption
Template:No	Solaris Nevada b150	Improved 'zfs list' performance
Template:No	Solaris Nevada b151	One MB block support
Template:No	Solaris Nevada b163	Improved share support
Template:No	Solaris 11.1 (0.5.11-0.175.1.0.0.24.2)	Sharing with inheritance
Template:No	Solaris 11.2 (0.5.11-0.175.2.0.0.42.0)	Sequential resilver
Template:No	Solaris 11.3	Efficient log block allocation
Template:No	Solaris 11.3	LZ4 compression
Template:No	Solaris 11.4	xcopy with encryption
Template:No	Solaris 11.4	reduce resilver restart
Template:No	Solaris 11.4	Deduplication 2
Template:No	Solaris 11.4	Asynchronous dataset destroy
Template:No	Solaris 11.4	Reguid: ability to change the pool guid
Template:No	Solaris 11.4, Oracle ZFS Storage Simulator 8.7<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>	citation	CitationClass=web }}</ref>
Template:No	Solaris 11.4<ref name="ZFS Pool Versions"/>	Device removal
Template:No	Solaris 11.4 SRU 11<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>	Lazy deadlists
Template:No	Solaris 11.4 SRU 12<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>	Compact file metadata for encryption
Template:No	Solaris 11.4 SRU 21<ref>{{#invoke:citation/CS1|citation	CitationClass=web }}</ref>	Property Support for ZVOLs
Template:No	Solaris 11.4 SRU 45	citation	CitationClass=web }}</ref>
Template:No	Solaris 11.4 SRU 51	Unicode versioning support<ref name="zpool-2022"/>
Template:No	Solaris 11.4 SRU 57	citation	CitationClass=web }}</ref>
Template:No	Solaris 11.4 SRU 63	'onexpiry' options for file retention<ref name="zpool-2023"/>
Template:No	Solaris 11.4 SRU 72	citation	CitationClass=web }}</ref>
Template:Proprietary	Solaris 11.4 SRU 78	citation	CitationClass=web }}</ref>