Ceph 20.2 Tentacle Release Available as test preview and Ceph 18.2 Reef soon to be fully EOL

t.lamprecht

t.lamprecht

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Jul 28, 2015
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Hi Community!

The recently released Ceph 20.2 Tentacle is now available on the Proxmox Ceph test repository for installation or upgrade.

Upgrades from Squid to Tentacle:
You can find the upgrade how-to here: https://pve.proxmox.com/wiki/Ceph_Squid_to_Tentacle

New Installation of Tentacle:
We will release an updated pve-manager package shortly; until then, you can simply configure the package repository manually and then use the ceph installation wizard's "manual" mode, which is available since Proxmox VE 9.1.

Current State:
We have been running and testing the release for a few weeks internally and found no major issues.
The current default Ceph 19.2 Squid will stay supported until September 2026 for the time being.

Road to Enterprise Stability:
Our further plan is to lift the preview state and provide Tentacle as a fully supported Ceph release once we have gathered even more test time and feedback from QA. Naturally, we would be happy to hear about observations from our great community! We will then soon move the Ceph 20.2 Tentacle packages to the no-subscription repository, and once we deem the Ceph 20.2 Tentacle release and its integration into Proxmox VE fully production-ready, we'll also populate the Ceph Tentacle enterprise repository.

Reminder: Old Ceph 18.2 Reef Going EOL Soon:
Please also remember that Ceph 18.2 Reef has been end of life (EOL) for a while, albeit there is an effort underway to get one last post-EOL update out. In any case, you should upgrade any existing Ceph Reef setups to Ceph Squid – or soon, Ceph Tentacle – sooner rather than later. See the upgrade how-to: https://pve.proxmox.com/wiki/Ceph_Reef_to_Squid.

We welcome your feedback!
 
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alexskysilk said:
The most interesting feature in Tentacle with direct relevence to PVE is the instant RBD live migration
Click to expand...
do you mean this:
New live migration features: RBD images can now be instantly imported from another Ceph cluster (native format) or from a wide variety of external sources/formats.
https://ceph.io/en/news/blog/2025/v20-2-0-tentacle-released/
Click to expand...
What would be a use case you have in mind? Because there are ways to import disk images in a storage-agnostic way.
Integrating special features for a very specific storage would need to have a good use case to warrant the effort of integrating it with Proxmox VE.

Ideally, then, you can open a feature request in our bugtracker so we don't lose track of them, which is just too easily possible here in the forum. :-)
 
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Reactions: Johannes S
Did an upgrade follow the guide. Had to edit the ceph repo to test and the upgrade went fine. 4 Servers with 3 osd each.
 
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