@@ -13,6 +13,22 @@ Highlights
1313
1414*See the sections below for more details on these items. *
1515
16+ CephFS
17+
18+ * Directories may now be configured with case-insensitive or normalized
19+ directory entry names.
20+ * Modifying the FS setting variable ``max_mds `` when a cluster is unhealthy
21+ now requires users to pass the confirmation flag (``--yes-i-really-mean-it ``).
22+ * ``EOPNOTSUPP `` (Operation not supported) is now returned by the CephFS FUSE
23+ client for ``fallocate `` for the default case (i.e. ``mode == 0 ``).
24+
25+ Dashboard
26+
27+ * Support has been added for NVMe/TCP gateway groups and multiple
28+ namespaces, multi-cluster management, OAuth 2.0 integration, and enhanced
29+ RGW/SMB features including multi-site automation, tiering, policies,
30+ lifecycles, notifications, and granular replication.
31+
1632Integrated SMB support
1733
1834* Ceph clusters now offer an SMB Manager module that works like the existing
@@ -27,6 +43,12 @@ Integrated SMB support
2743 automatically deployed to improve scalability and memory usage when connecting
2844 Samba to CephFS.
2945
46+ MGR
47+
48+ * Users now have the ability to force-disable always-on modules.
49+ * The ``restful `` and ``zabbix `` modules (deprecated since 2020) have been
50+ officially removed.
51+
3052RADOS
3153
3254* FastEC: Long-anticipated performance and space amplification
3759* OMAP: All components have been switched to the faster OMAP iteration
3860 interface, which improves RGW bucket listing and scrub operations.
3961
40- Dashboard
41-
42- * Support has been added for NVMe/TCP gateway groups and multiple
43- namespaces, multi-cluster management, OAuth 2.0 integration, and enhanced
44- RGW/SMB features including multi-site automation, tiering, policies,
45- lifecycles, notifications, and granular replication.
46-
4762RBD
4863
4964* New live migration features: RBD images can now be instantly imported
5469* Several commands related to group and group snap info were added or
5570 improved, and ``rbd device map `` command now defaults to ``msgr2 ``.
5671
57- MGR
58-
59- * Users now have the ability to force-disable always-on modules.
60- * The ``restful `` and ``zabbix `` modules (deprecated since 2020) have been
61- officially removed.
62-
6372RGW
6473
6574* Added support for S3 ``GetObjectAttributes ``.
7079 write operations. This should significantly reduce the client-visible impact
7180 of resharding on large buckets.
7281
73- CephFS
74-
75- * Directories may now be configured with case-insensitive or normalized
76- directory entry names.
77- * Modifying the FS setting variable ``max_mds `` when a cluster is unhealthy
78- now requires users to pass the confirmation flag (``--yes-i-really-mean-it ``).
79- * ``EOPNOTSUPP `` (Operation not supported) is now returned by the CephFS FUSE
80- client for ``fallocate `` for the default case (i.e. ``mode == 0 ``).
81-
8282CephFS
8383------
8484
@@ -132,6 +132,26 @@ CephFS
132132 therefore the output for them will not contain a "source" field regardless of
133133 the release.
134134
135+ Crimson / SeaStore
136+ ------------------
137+
138+ The Crimson project continues to progress, with the Squid release marking the
139+ first technical preview available for Crimson.
140+ The Tentacle release introduces a host of improvements and new functionalities
141+ that enhance the robustness, performance, and usability
142+ of both Crimson-OSD and the SeaStore object store.
143+ In this release, SeaStore can now be deployed alongside the Crimson-OSD!
144+ Early testing and experimentation are highly encouraged and we’d greatly
145+ appreciate any initial feedback rounds from the community to help guide future
146+ improvements.
147+ Check out the Crimson project updates blog post for Tentacle
148+ where we highlight some of the work included in the latest release, moving us
149+ closer to fully replacing the existing Classical OSD in the future:
150+ https://ceph.io/en/news/blog/2025/crimson-T-release/
151+
152+ If you're new to the Crimson project, please visit the project
153+ page for more information and resources: https://ceph.io/en/news/crimson
154+
135155Dashboard
136156---------
137157
@@ -376,26 +396,6 @@ Telemetry
376396 FastEC improvements.
377397 To opt into telemetry, run ``ceph telemetry on ``.
378398
379- Crimson / SeaStore
380- ------------------
381-
382- The Crimson project continues to progress, with the Squid release marking the
383- first technical preview available for Crimson.
384- The Tentacle release introduces a host of improvements and new functionalities
385- that enhance the robustness, performance, and usability
386- of both Crimson-OSD and the SeaStore object store.
387- In this release, SeaStore can now be deployed alongside the Crimson-OSD!
388- Early testing and experimentation are highly encouraged and we’d greatly
389- appreciate any initial feedback rounds from the community to help guide future
390- improvements.
391- Check out the Crimson project updates blog post for Tentacle
392- where we highlight some of the work included in the latest release, moving us
393- closer to fully replacing the existing Classical OSD in the future:
394- https://ceph.io/en/news/blog/2025/crimson-T-release/
395-
396- If you're new to the Crimson project, please visit the project
397- page for more information and resources: https://ceph.io/en/news/crimson
398-
399399Upgrading from Reef or Squid
400400----------------------------
401401
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