framework, for example ``sysvinit`` or ``systemd``. Ceph is sometimes ported to
non-Linux systems but these are not supported by the core Ceph effort.
-
+---------------+---------------+------------------+------------------+------------------+
| | Reef (18.2.z) | Quincy (17.2.z) | Pacific (16.2.z) | Octopus (15.2.z) |
+===============+===============+==================+==================+==================+
-| Centos 7 | | | A | B |
+| Centos 7 | | | | B |
+---------------+---------------+------------------+------------------+------------------+
| Centos 8 | | | | |
+---------------+---------------+------------------+------------------+------------------+