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doc: Added a hostname resolution section for local host execution.
Signed-off-by: John Wilkins <john.wilkins@inktank.com>
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@ -106,7 +106,7 @@ To install ``ceph-deploy``, execute the following::
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Ensure Connectivity
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===================
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Ensure that your Admin node has connectivity to the network and to your Server
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Ensure that your admin node has connectivity to the network and to your Server
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node (e.g., ensure ``iptables``, ``ufw`` or other tools that may prevent
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connections, traffic forwarding, etc. to allow what you need).
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@ -116,15 +116,38 @@ connections, traffic forwarding, etc. to allow what you need).
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Once you have completed this pre-flight checklist, you are ready to begin using
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``ceph-deploy``.
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Hostname Resolution
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===================
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Ensure that your admin node can resolve the server node's hostname. ::
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ping {server-node}
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If you execute ``ceph-deploy`` against the localhost, ``ceph-deploy``
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must be able to resolve its IP address. Consider adding the IP address
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to your ``/etc/hosts`` file such that it resolves to the hostname. ::
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hostname
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host -4 {hostname}
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sudo vim /etc/hosts
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{ip-address} {hostname}
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ceph-deploy {command} {hostname}
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.. tip:: The ``ceph-deploy`` tool will not resolve to ``localhost``. Use
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the hostname.
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Summary
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=======
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Once you have passwordless ``ssh`` connectivity, passwordless ``sudo``,
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installed ``ceph-deploy``, and you have ensured appropriate connectivity,
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proceed to the `Object Store Quick Start`_.
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proceed to the `Storage Cluster Quick Start`_.
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.. tip:: The ``ceph-deploy`` utility can install Ceph packages on remote
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machines from the admin node!
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.. _Object Store Quick Start: ../quick-ceph-deploy
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.. _Storage Cluster Quick Start: ../quick-ceph-deploy
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.. _OS Recommendations: ../../install/os-recommendations
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