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20 lines
1.1 KiB
Plaintext
20 lines
1.1 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * rosa_cluster_admin/rosa_nodes/rosa-nodes-machinepools-about.adoc
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:_mod-docs-content-type: CONCEPT
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[id="machine-pools-hcp_{context}"]
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= Machine pools in {hcp-title} clusters
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In {hcp-title} clusters, the hosted control plane spans three availability zones (AZ) in the installed cloud region. Each machine pool in a {hcp-title} cluster deploys in a single subnet within a single AZ. Each of these AZs can have only one machine pool.
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Each machine pool in an {hcp-title} cluster upgrades independently. Because the machine pools upgrade independently, they must remain within 2 minor (Y-stream) versions of the hosted control plane. For example, if your hosted control plane is 4.16.z, your machine pools must be at least 4.14.z.
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The following image depicts how machine pools work within ROSA and {hcp-title} clusters:
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image::hcp-rosa-machine-pools.png[Machine pools on ROSA classic and ROSA with HCP clusters]
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[NOTE]
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====
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Machine pools in {hcp-title} clusters each upgrade independently and the machine pool versions must remain within two minor (Y-stream) versions of the control plane.
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==== |