From 2a619dba2d22749e6facaf8dd0d370e16a1672c4 Mon Sep 17 00:00:00 2001 From: Zac Dover Date: Tue, 16 May 2023 03:04:43 +1000 Subject: [PATCH] doc/start: KRBD feature flag support note Add KRBD feature flag support note to doc/start/os-recommendations.rst. This change was suggested by Anthony D'Atri in https://github.com/ceph/ceph/pull/51485. Co-authored-by: Ilya Dryomov Co-authored-by: Anthony D'Atri Signed-off-by: Zac Dover --- doc/start/os-recommendations.rst | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/doc/start/os-recommendations.rst b/doc/start/os-recommendations.rst index 73f0e0489d816..98cef7820fd5a 100644 --- a/doc/start/os-recommendations.rst +++ b/doc/start/os-recommendations.rst @@ -26,8 +26,10 @@ Linux Kernel for kernel version guidance. Older kernel client versions may not support your `CRUSH tunables`_ profile - or other newer features of the Ceph cluster, requiring the storage cluster - to be configured with those features disabled. + or other newer features of the Ceph cluster, requiring the storage cluster to + be configured with those features disabled. For RBD, a kernel of version 5.3 + or CentOS 8.2 is the minimum necessary for reasonable support for RBD image + features. Platforms -- 2.39.5