=================
Add Ceph repositories to the ``ceph-deploy`` admin node. Then, install
-``ceph-deploy``.
+``ceph-deploy``.
Advanced Package Tool (APT)
---------------------------
#. Add the Ceph packages to your repository. Replace ``{ceph-stable-release}``
with a stable Ceph release (e.g., ``cuttlefish``, ``dumpling``,
- ``emperor``, ``firefly``, etc.).
+ ``emperor``, ``firefly``, etc.).
For example::
-
+
echo deb http://ceph.com/debian-{ceph-stable-release}/ $(lsb_release -sc) main | sudo tee /etc/apt/sources.list.d/ceph.list
-#. Update your repository and install ``ceph-deploy``::
+#. Update your repository and install ``ceph-deploy``::
sudo apt-get update && sudo apt-get install ceph-deploy
For Red Hat(rhel6), CentOS (el6), and Fedora 17-19 (f17-f19) perform the
following steps:
-#. Add the package to your repository. Open a text editor and create a
+#. Add the package to your repository. Open a text editor and create a
Yellowdog Updater, Modified (YUM) entry. Use the file path
- ``/etc/yum.repos.d/ceph.repo``. For example::
+ ``/etc/yum.repos.d/ceph.repo``. For example::
sudo vim /etc/yum.repos.d/ceph.repo
- Paste the following example code. Replace ``{ceph-release}`` with
+ 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`` for
- Red Hat 6, ``fc18`` or ``fc19`` for Fedora 18 or Fedora 19, and ``sles11``
- for SLES 11). Finally, save the contents to the
+ with your Linux distribution (e.g., ``el6`` for CentOS 6, ``rhel6`` for
+ Red Hat 6, ``fc18`` or ``fc19`` for Fedora 18 or Fedora 19, and ``sles11``
+ for SLES 11). Finally, save the contents to the
``/etc/yum.repos.d/ceph.repo`` file. ::
[ceph-noarch]
enabled=1
gpgcheck=1
type=rpm-md
- gpgkey=https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/release.asc
+ gpgkey=https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/release.asc
-#. Update your repository and install ``ceph-deploy``::
+#. Update your repository and install ``ceph-deploy``::
sudo yum update && sudo yum install ceph-deploy
-.. note:: Some distributions (e.g., RHEL) require you to comment out
- ``Defaults requiretty`` in the ``/etc/sudoers`` file for ``ceph-deploy`` to
- work properly. If editing, ``/etc/sudoers``, ensure that you use
+.. note:: Some distributions (e.g., RHEL) require you to comment out
+ ``Defaults requiretty`` in the ``/etc/sudoers`` file for ``ceph-deploy`` to
+ work properly. If editing, ``/etc/sudoers``, ensure that you use
``sudo visudo`` rather than a text editor.
.. note:: You can also use the EU mirror eu.ceph.com for downloading your packages.
Ceph Node Setup
===============
-.. important:: Do not call ``ceph-deploy`` with ``sudo`` or run it as ``root``
- if you are logged in as a different user, because it will not issue ``sudo``
+.. important:: Do not call ``ceph-deploy`` with ``sudo`` or run it as ``root``
+ if you are logged in as a different user, because it will not issue ``sudo``
commands needed on the remote host.
If you are using ``ceph-deploy`` version 1.1.3 and beyond, ``ceph-deploy``
-will attempt to create the SSH key and copy it to the initial monitor nodes
+will attempt to create the SSH key and copy it to the initial monitor nodes
automatically when you create the new cluster.
Start from your ``ceph-deploy`` admin node. The admin node needs to
have password-less SSH access to each Ceph Node listed below.
-For example::
+For example, for three monitor nodes (with hostnames ``node1``, ``node2``, and
+``node3``) it would look like::
- ceph-deploy new node1
+ ceph-deploy new node1 node2 node3
This command will create the following files in the current directory
of the admin node:
(and for initial monitors prior to ``ceph-deploy`` v1.1.3)
perform the following steps:
-#. Create a user on each Ceph Node. ::
+#. Create a user on each Ceph Node. ::
ssh user@ceph-server
sudo useradd -d /home/ceph -m ceph
sudo passwd ceph
-#. Add ``sudo`` privileges for the user on each Ceph Node. ::
+#. Add ``sudo`` privileges for the user on each Ceph Node. ::
echo "ceph ALL = (root) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/ceph
sudo chmod 0440 /etc/sudoers.d/ceph
-#. Install an SSH server (if necessary) on each Ceph Node::
+#. Install an SSH server (if necessary) on each Ceph Node::
sudo apt-get install openssh-server
- or::
+ or::
sudo yum install openssh-server
-
-
+
+
#. Configure your ``ceph-deploy`` admin node with password-less SSH access to
- each Ceph Node. When configuring SSH access, do not use ``sudo`` or the
+ each Ceph Node. When configuring SSH access, do not use ``sudo`` or the
``root`` user. Leave the passphrase empty::
ssh-keygen
User ceph
-#. Ensure connectivity using ``ping`` with short hostnames (``hostname -s``).
- Address hostname resolution issues and firewall issues as necessary.
- **Note:** Hostnames should resolve to a network IP address, not to the
- loopback IP address (e.g., hostnames should resolve to an IP address other
+#. Ensure connectivity using ``ping`` with short hostnames (``hostname -s``).
+ Address hostname resolution issues and firewall issues as necessary.
+ **Note:** Hostnames should resolve to a network IP address, not to the
+ loopback IP address (e.g., hostnames should resolve to an IP address other
than ``127.0.0.1``).
.. note:: If you use your admin node as one of the Ceph Nodes, you must perform