Merge "Add network isolation notes about manila provider network"
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@ -69,6 +69,21 @@ provider networks to the storage bridge::
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NeutronBridgeMappings: datacentre:br-ex,storage:br-storage
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NeutronBridgeMappings: datacentre:br-ex,storage:br-storage
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NeutronFlatNetworks: datacentre,storage
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NeutronFlatNetworks: datacentre,storage
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If the storage network uses VLAN, include storage network in
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``NeutronNetworkVLANRanges`` parameter. For example::
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NeutronNetworkVLANRanges: 'datacentre:100:1000,storage:30:30'
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.. warning::
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If network isolation is used, make sure that storage provider network
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subnet doesn't overlap with IP allocation pool used for Overcloud storage
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nodes (controlled by ``StorageAllocationPools`` heat parameter).
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``StorageAllocationPools`` is by default set to
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``[{'start': '172.16.1.4', 'end': '172.16.1.250'}]``. It may be neccessary
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to shrink this pool, for example::
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StorageAllocationPools: [{'start': '172.16.1.4', 'end': '172.16.1.99'}]
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When Overcloud is deployed, create a provider network which can be used to
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When Overcloud is deployed, create a provider network which can be used to
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access storage network.
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access storage network.
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