documentation: add centos 7 to ceph-deploy installation

http://tracker.ceph.com/issues/10246 Fixes: #10246

Signed-off-by: Loic Dachary <ldachary@redhat.com>

diff --git a/doc/start/quick-start-preflight.rst b/doc/start/quick-start-preflight.rst
index 4c6abc279fc798d68d54f947afa41f9a5d6f6335..5af42769877efeab2ad8c0e631f6b2c1304641bf 100644 (file)
--- a/doc/start/quick-start-preflight.rst
+++ b/doc/start/quick-start-preflight.rst
@@ -62,7 +62,8 @@ following steps:
 
    Paste the following example code. Replace ``{ceph-release}`` with
    the recent major release of Ceph (e.g., ``firefly``). Replace ``{distro}``
-   with your Linux distribution (e.g., ``el6`` for CentOS 6, ``rhel6.5`` for
+   with your Linux distribution (e.g., ``el6`` for CentOS 6, 
+   ``el7`` for CentOS 7, ``rhel6.5`` for
    Red Hat 6.5, ``rhel7`` for Red Hat 7, and ``fc19`` or ``fc20`` for Fedora 19
    or Fedora 20. Finally, save the contents to the 
    ``/etc/yum.repos.d/ceph.repo`` file. ::
@@ -304,4 +305,4 @@ Quick Start`_.
 .. _OS Recommendations: ../os-recommendations
 .. _Network Configuration Reference: ../../rados/configuration/network-config-ref
 .. _Clock: ../../rados/configuration/mon-config-ref#clock
-.. _NTP: http://www.ntp.org/
\ No newline at end of file
+.. _NTP: http://www.ntp.org/