From: Radosław Zarzyński Date: Tue, 2 May 2023 15:52:23 +0000 (+0200) Subject: doc: deprecate the cache tiering X-Git-Tag: v19.0.0~1178^2 X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=535b8db33ea03fbab7ef0c4df5251658f956b0c5;p=ceph.git doc: deprecate the cache tiering This topic has been discussed many times; recently at the Dev Summit of Cephalocon 2023. This commit is the minial version of the work, contained entirely within the `doc`. However, likely it will be expanded as there were ideas like e.g. adding cache tiering back experimental feature list (Sam) to warn users when deploying a new cluster. Signed-off-by: Radosław Zarzyński --- diff --git a/PendingReleaseNotes b/PendingReleaseNotes index 91015cf7dd3..a5a20b9dbe6 100644 --- a/PendingReleaseNotes +++ b/PendingReleaseNotes @@ -138,6 +138,7 @@ `ceph config set mgr mgr/telemetry/leaderboard_description ‘Cluster description’`. * CEPHFS: After recovering a Ceph File System post following the disaster recovery procedure, the recovered files under `lost+found` directory can now be deleted. +* core: cache-tiering is now deprecated. >=17.2.1 diff --git a/doc/rados/operations/cache-tiering.rst b/doc/rados/operations/cache-tiering.rst index 8056ace4743..cd29b87d0cf 100644 --- a/doc/rados/operations/cache-tiering.rst +++ b/doc/rados/operations/cache-tiering.rst @@ -1,6 +1,10 @@ =============== Cache Tiering =============== +.. warning:: Cache tiering has been deprecated in the Reef release as it + has lacked a maintainer for a very long time. This does not mean + it will be certainly removed, but we may choose to remove it + without much further notice. A cache tier provides Ceph Clients with better I/O performance for a subset of the data stored in a backing storage tier. Cache tiering involves creating a