openstack
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deb-senlin
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Add some clarification about cluster 

we'd better to add some clarification about cluster.

Change-Id: Ib1e94d42c68c1521792b04332c32deafe4568597
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jonnary 2017-07-11 14:30:38 +08:00 committed by XueFeng Liu
parent d12047303d
commit 4709e3571a
1 changed files with 5 additions and 2 deletions
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7
doc/source/user/clusters.rst
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@ -23,8 +23,11 @@ Concept
A :term:`Cluster` is a group of logical objects, each of which is called a
:term:`Node` in Senlin's terminology. A cluster can contain zero or more
nodes. A cluster has a ``profile_id`` property that specifies which
:term:`Profile` to use when new nodes are created as members the cluster.
nodes. A cluster has a ``profile_id`` property that specifies which default
:term:`Profile` to use when new nodes are created/scaled as members of the
cluster. It is valid for nodes in a cluster to reference different profile
objects because Senlin only mandates that all nodes in a cluster having the
same **profile type**.
Senlin provides APIs and command line supports to manage the cluster
membership. Please refer to :ref:`ref-membership` for details. Senlin also