Add network isolation notes about manila provider network

NeutronNetworkVLANRanges should be set too when storage network
uses VLAN otherwise neutron complains about wrong network type
when creating provider network.

It may be neccessary to shrink StorageAllocationPools to make
sure there are some IPs left for tenants.

Change-Id: I10b7945f12f9dc4180777c69221a4f57c6185719
This commit is contained in:
Jan Provaznik 2017-06-29 08:43:29 +02:00
parent 74efe672bd
commit d52db49d7f
1 changed files with 15 additions and 0 deletions

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