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Oracle ZFS

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This article is about the proprietary filesystem. For its open-source alternative, see OpenZFS.

Oracle ZFS
Initial releaseNovember 2005; 19 years ago (2005-11), part of OpenSolaris
Stable release
11.4 SRU53 (Solaris OS)[1] / January 18, 2023; 2 years ago (2023-01-18)
Written inC
Operating systemOracle Solaris
LicenseProprietary
Websitedocs.oracle.com/cd/E23824_01/html/821-1448/zfsover-1.html

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.[2]

History

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See also: ZFS § Implementations, and OpenZFS § Implementations

Solaris 10

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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

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After Oracle's Solaris 11 Express release, the OS/Net consolidation (the main OS code) was made proprietary and closed-source,[3] 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

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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.[4]

Version history

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For earlier history, see ZFS § Version history.
Legend:
Old release
Latest Proprietary stable release
ZFS Filesystem Version Number OS Release Significant changes
6 Solaris 11.1 Multilevel file system support[5]
7 Solaris 11.4 SRU 45 File retention support[5]
8 Solaris 11.4 SRU 51 Unicode versioning support[5]
ZFS Pool Version Number OS Release Significant changes
29 Solaris Nevada b148 RAID-Z/mirror hybrid allocator
30 Solaris Nevada b149 ZFS encryption
31 Solaris Nevada b150 Improved 'zfs list' performance
32 Solaris Nevada b151 One MB block support
33 Solaris Nevada b163 Improved share support
34 Solaris 11.1 (0.5.11-0.175.1.0.0.24.2) Sharing with inheritance
35 Solaris 11.2 (0.5.11-0.175.2.0.0.42.0) Sequential resilver
36 Solaris 11.3 Efficient log block allocation
37 Solaris 11.3 LZ4 compression
38 Solaris 11.4 xcopy with encryption
39 Solaris 11.4 reduce resilver restart
40 Solaris 11.4 Deduplication 2
41 Solaris 11.4 Asynchronous dataset destroy
42 Solaris 11.4 Reguid: ability to change the pool guid
43 Solaris 11.4, Oracle ZFS Storage Simulator 8.7[6] RAID-Z improvements and cloud device support.[7]
44 Solaris 11.4[7] Device removal
45 Solaris 11.4 SRU 11[8] Lazy deadlists
46 Solaris 11.4 SRU 12[9] Compact file metadata for encryption
47 Solaris 11.4 SRU 21[10] Property Support for ZVOLs
48 Solaris 11.4 SRU 45 File retention support[11]
49 Solaris 11.4 SRU 51 Unicode versioning support[11]
50 Solaris 11.4 SRU 57 Raw crypto replication[12]
51 Solaris 11.4 SRU 63 'onexpiry' options for file retention[12]
52 Solaris 11.4 SRU 72 Mount support for 'clonedir'[13]
53 Solaris 11.4 SRU 78 Maximize space[14]

References

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  1. ^ "Announcing Oracle Solaris 11.4 SRU53". January 18, 2023. Retrieved January 18, 2023.
  2. ^ "Status Information for Serial Number 85901629 (ZFS)". United States Patent and Trademark Office. Archived from the original on October 21, 2013. Retrieved October 21, 2013.
  3. ^ "Oracle Has Killed OpenSolaris". Techie Buzz. August 14, 2010. Archived from the original on October 15, 2013. Retrieved July 17, 2013.
  4. ^ Varghese, Sam (September 4, 2017). "Bye, bye Solaris, it was a nice ride while it lasted". ITWire. Retrieved July 21, 2019.
  5. ^ a b c "ZFS File System Versions". Oracle Corporation. 2022. Archived from the original on January 2, 2023. Retrieved January 1, 2023.
  6. ^ "Oracle ZFS Storage Simulator download". Oracle Corporation. 2017. Archived from the original on January 13, 2018. Retrieved January 12, 2018.
  7. ^ a b "ZFS Pool Versions". Oracle Corporation. 2018. Archived from the original on December 18, 2018. Retrieved December 18, 2018.
  8. ^ "ZFS Pool Versions". Oracle Corporation. 2019. Archived from the original on December 18, 2018. Retrieved July 24, 2019.
  9. ^ "ZFS Pool Versions". Oracle Corporation. 2019. Archived from the original on December 18, 2018. Retrieved August 20, 2019.
  10. ^ "ZFS Pool Versions". Oracle Corporation. 2020. Archived from the original on December 18, 2018. Retrieved May 23, 2020.
  11. ^ a b "ZFS Pool Versions". Oracle Corporation. 2022. Archived from the original on December 21, 2022. Retrieved January 1, 2023.
  12. ^ a b "ZFS Pool Versions". Oracle Corporation. 2023. Retrieved November 17, 2023.
  13. ^ "ZFS Pool Versions". Oracle Corporation. 2024. Retrieved January 20, 2025.
  14. ^ "ZFS Pool Versions". Oracle Corporation. 2025. Retrieved March 20, 2025.
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