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 <idryomov@redhat.com>
Co-authored-by: Anthony D'Atri <anthony.datri@gmail.com>
Signed-off-by: Zac Dover <zac.dover@proton.me>
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