Editorial Updates for all Upstream / Downstream Guides
Acted on Greg's comments on Deployment Configurations Guide Patch 1: Acted on Greg's comment. https://review.opendev.org/c/starlingx/docs/+/791820 Signed-off-by: egoncalv <elisamaraaoki.goncalves@windriver.com> Change-Id: I4d641529974dc15670e2fb1e3afa0aa0277c467b
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@ -117,7 +117,7 @@ A number of components are common to most |prod| deployment configurations.
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The use of Container Networking Calico |BGP| to advertise containers'
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The use of Container Networking Calico |BGP| to advertise containers'
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network endpoints is not available in this scenario.
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network endpoints is not available in this scenario.
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**Additional External Network\(s\) \(Worker & AIO Nodes Only\)**
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**Additional External Network\(s\) or Data Networks \(Worker & AIO Nodes Only\)**
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Networks on which ingress controllers and/or hosted application containers
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Networks on which ingress controllers and/or hosted application containers
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expose their Kubernetes service, for example, through a NodePort service.
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expose their Kubernetes service, for example, through a NodePort service.
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Node interfaces to these networks are configured as platform class
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Node interfaces to these networks are configured as platform class
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@ -13,10 +13,6 @@ controller nodes instead of using dedicated storage nodes.
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.. image:: /deploy_install_guides/r5_release/figures/starlingx-deployment-options-controller-storage.png
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.. image:: /deploy_install_guides/r5_release/figures/starlingx-deployment-options-controller-storage.png
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:width: 800
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:width: 800
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.. note::
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Physical L2 switches are not shown in the deployment diagram in subsequent
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chapters. Only the L2 networks they support are shown.
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See :ref:`Common Components <common-components>` for a description of common
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See :ref:`Common Components <common-components>` for a description of common
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components of this deployment configuration.
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components of this deployment configuration.
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@ -25,11 +21,14 @@ cluster managing up to 200 worker nodes. The limit on the size of the worker
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node pool is due to the performance and latency characteristics of the small
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node pool is due to the performance and latency characteristics of the small
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integrated Ceph cluster on the controller+storage nodes.
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integrated Ceph cluster on the controller+storage nodes.
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This configuration uses dedicated physical disks configured on each
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This configuration optionally uses dedicated physical disks configured on each
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controller+storage node as Ceph |OSDs|. The
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controller+storage node as Ceph |OSDs|. The typical solution requires one
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primary disk is used by the platform for system purposes and subsequent disks
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primary disk used by the platform for system purposes and subsequent disks
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are used for Ceph |OSDs|.
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are used for Ceph |OSDs|.
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Optionally, instead of using an internal Ceph cluster across controllers, you
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can configure an external Netapp Trident storage backend.
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On worker nodes, the primary disk is used for system requirements and for
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On worker nodes, the primary disk is used for system requirements and for
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container local ephemeral storage.
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container local ephemeral storage.
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@ -27,14 +27,17 @@ cloud processing / storage power is required.
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HA services run on the controller function across the two physical servers in
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HA services run on the controller function across the two physical servers in
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either Active/Active or Active/Standby mode.
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either Active/Active or Active/Standby mode.
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The storage function is provided by a small-scale two node Ceph cluster using
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The optional storage function is provided by a small-scale two node Ceph
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one or more disks/|OSDs| from each server, and
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cluster using one or more disks/|OSDs| from each server, and provides the
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provides the backend for Kubernetes' |PVCs|.
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backend for Kubernetes' |PVCs|.
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The solution requires two or more disks per server; one for system
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The typical solution requires two or more disks per server; one for system
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requirements and container ephemeral storage, and one or more for Ceph
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requirements and container ephemeral storage, and one or more for Ceph
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|OSDs|.
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|OSDs|.
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Optionally, instead of using an internal Ceph cluster across servers, you can
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configure an external Netapp Trident storage backend.
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Hosted application containers are scheduled on both worker functions.
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Hosted application containers are scheduled on both worker functions.
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In the event of an overall server hardware fault:
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In the event of an overall server hardware fault:
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@ -14,8 +14,9 @@ non-redundant host.
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:width: 800
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:width: 800
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.. note::
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.. note::
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Physical L2 switches are not shown in the deployment diagram in subsequent
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Physical L2 switches are not shown in this deployment diagram and in
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chapters. Only the L2 networks they support are shown.
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subsequent deployment diagrams. Only the L2 networks they support are
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shown.
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See :ref:`Common Components <common-components>` for a description of common
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See :ref:`Common Components <common-components>` for a description of common
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components of this deployment configuration.
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components of this deployment configuration.
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@ -29,12 +30,15 @@ Typically, this solution is used where only a small amount of cloud processing
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/ storage power is required, and protection against overall server hardware
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/ storage power is required, and protection against overall server hardware
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faults is either not required or done at a higher level.
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faults is either not required or done at a higher level.
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Ceph is deployed in this configuration using one or more disks for |OSDs|, and
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Optionally, Ceph is deployed in this configuration using one or more disks for |OSDs|, and
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provides the backend for Kubernetes' |PVCs|.
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provides the backend for Kubernetes' |PVCs|.
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The solution requires two or more disks, one for system requirements and
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Typically, the solution requires two or more disks, one for system requirements and
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container ephemeral storage, and one or more for Ceph |OSDs|.
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container ephemeral storage, and one or more for Ceph |OSDs|.
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Optionally, instead of using an internal Ceph cluster on the server, you can
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configure an external Netapp Trident storage backend.
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.. xreflink .. note::
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.. xreflink .. note::
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A storage backend is not configured by default. You can use either
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A storage backend is not configured by default. You can use either
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internal Ceph or an external Netapp Trident backend. For more information,
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internal Ceph or an external Netapp Trident backend. For more information,
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@ -25,21 +25,10 @@ A variety of |prod-long| deployment configuration options are supported.
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A two node HA controller node cluster with a 2-9 node Ceph storage
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A two node HA controller node cluster with a 2-9 node Ceph storage
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cluster, managing up to 200 worker nodes.
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cluster, managing up to 200 worker nodes.
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.. note::
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A storage backend is not configured by default. You can use either
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internal Ceph or an external Netapp Trident backend.
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.. xreflink For more
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.. xreflink For more
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information, see the :ref:`Storage
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information, see the :ref:`Storage
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<storage-configuration-storage-resources>` guide.
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<storage-configuration-storage-resources>` guide.
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All |prod| systems can use worker platforms \(worker hosts, or the worker
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All |prod| systems can use worker platforms \(worker hosts, or the worker
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function on a simplex or duplex system\) configured for either standard or
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function on a simplex or duplex system\) configured for either standard or
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low-latency performance.
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low-latency worker function performance profiles.
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.. seealso::
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:ref:`Worker Function Performance Profiles
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<worker-function-performance-profiles>`
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The Ceph storage backend is configured by default.
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@ -14,6 +14,6 @@ Deployment Configurations
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common-components
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common-components
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deployment-config-optionsall-in-one-simplex-configuration
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deployment-config-optionsall-in-one-simplex-configuration
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deployment-config-options-all-in-one-duplex-configuration
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deployment-config-options-all-in-one-duplex-configuration
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standard-configuration-with-dedicated-storage
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deployment-and-configuration-options-standard-configuration-with-controller-storage
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deployment-and-configuration-options-standard-configuration-with-controller-storage
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standard-configuration-with-dedicated-storage
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worker-function-performance-profiles
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worker-function-performance-profiles
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@ -12,10 +12,6 @@ Deployment of |prod| with dedicated storage nodes provides the highest capacity
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.. image:: /deploy_install_guides/r5_release/figures/starlingx-deployment-options-dedicated-storage.png
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.. image:: /deploy_install_guides/r5_release/figures/starlingx-deployment-options-dedicated-storage.png
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:width: 800
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:width: 800
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.. note::
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Physical L2 switches are not shown in the deployment diagram in subsequent
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chapters. Only the L2 networks they realize are shown.
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See :ref:`Common Components <common-components>` for a description of common
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See :ref:`Common Components <common-components>` for a description of common
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components of this deployment configuration.
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components of this deployment configuration.
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@ -42,9 +38,8 @@ affected by the |OSD| size and speed, optional |SSD| or |NVMe| Ceph journals,
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CPU cores and speeds, memory, disk controllers, and networking. |OSDs| can be
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CPU cores and speeds, memory, disk controllers, and networking. |OSDs| can be
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grouped into storage tiers according to their performance characteristics.
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grouped into storage tiers according to their performance characteristics.
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.. note::
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Alternatively, instead of configuring Storage Nodes, you can configure an
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A storage backend is not configured by default. You can use either
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external Netapp Trident storage backend.
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internal Ceph or an external Netapp Trident backend.
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.. xreflink For more information,
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.. xreflink For more information,
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see the :ref:`|stor-doc| <storage-configuration-storage-resources>` guide.
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see the :ref:`|stor-doc| <storage-configuration-storage-resources>` guide.
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