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[Install Guide] Add MondgoDB node description 

This patch adds the MongoDB node description and
limitation to the Fuel Slave nodes hardware
recommendations section.

Change-Id: Iebc51ca62507ae40ffef368e08f7b6d7a4eb62c8
This commit is contained in:
Olena Logvinova 2016-08-19 14:44:42 +03:00
parent 728b238b5c
commit 298c24e33b
1 changed files with 10 additions and 0 deletions
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10
userdocs/fuel-install-guide/sysreq/sysreq_fuel_slave_node_hw_recs.rst
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@ -36,6 +36,16 @@ General guidelines for the Fuel Slave nodes:
nodes. Therefore, the storage configuration for every deployment will
vary significantly.
* Telemetry - MongoDB nodes
Fuel deploys MongoDB version 2.6 with a replica set. To install Telemetry
with the MongoDB database, we recommend that you add three dedicated nodes.
You can also configure one MongoDB role for each controller node.
Since a MongoDB node is configured in the polling mode, you cannot add
more than seven MongoDB nodes. This is a MongoDB limitation for voting
replica set members, and it is not controlled by Fuel. For more details,
see `MongoDB documenation <https://docs.mongodb.com>`_.
.. seealso::
- `OpenStack Architecture Design Guide