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* See xref:../../../support/remote_health_monitoring/about-remote-health-monitoring.adoc#about-remote-health-monitoring[About remote health monitoring] for more information about the Telemetry service
Copy file name to clipboardExpand all lines: installing/installing_vsphere/preparing-to-install-on-vsphere.adoc
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* **xref:../../installing/installing_vsphere/ipi/installing-vsphere-installer-provisioned-customizations.adoc#installing-vsphere-installer-provisioned-customizations[Installing a cluster on vSphere with customizations]**: You can install {product-title} on vSphere by using installer-provisioned infrastructure installation with the default customization options.
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* **xref:../../installing/installing_vsphere/ipi/installing-vsphere-installer-provisioned-network-customizations.adoc#installing-vsphere-installer-provisioned-network-customizations[Installing a cluster on vSphere with network customizations]**: You can install {product-title} on installer-provisioned vSphere infrastructure, with network customizations. You can customize your {product-title} network configuration during installation, so that your cluster can coexist with your existing IP address allocations and adhere to your network requirements.
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* **xref:../../installing/installing_vsphere/ipi/installing-restricted-networks-installer-provisioned-vsphere.adoc#installing-restricted-networks-installer-provisioned-vsphere[Installing a cluster on vSphere in a restricted network]**: You can install a cluster on VMware vSphere infrastructure in a restricted network by creating an internal mirror of the installation release content.
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You can use this method to deploy {product-title} on an internal network that is not visible to the internet.
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User-provisioned infrastructure requires the user to provision all resources required by {product-title}.
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If you do not use infrastructure that the installation program provisions, you must manage and maintain the cluster resources yourself.
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* **xref:../../installing/installing_vsphere/upi/installing-vsphere.adoc#installing-vsphere[Installing a cluster on vSphere with user-provisioned infrastructure]**: You can install {product-title} on VMware vSphere infrastructure that you provision.
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* **xref:../../installing/installing_vsphere/upi/installing-vsphere-network-customizations.adoc#installing-vsphere-network-customizations[Installing a cluster on vSphere with network customizations with user-provisioned infrastructure]**: You can install {product-title} on VMware vSphere infrastructure that you provision with customized network configuration options.
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* **xref:../../installing/installing_vsphere/upi/installing-vsphere.adoc#installing-vsphere[Installing a cluster on vSphere with user-provisioned infrastructure]**: You can install {product-title} on VMware vSphere infrastructure that you provision or you can install {product-title} on VMware vSphere infrastructure that you provision with customized network configuration options
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* **xref:../../installing/installing_vsphere/upi/installing-restricted-networks-vsphere.adoc#installing-restricted-networks-vsphere[Installing a cluster on vSphere in a restricted network with user-provisioned infrastructure]**: {product-title} can be installed on VMware vSphere infrastructure that you provision in a restricted network.
Copy file name to clipboardExpand all lines: installing/overview/installing-preparing.adoc
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For installer-provisioned infrastructure installations, you can use an existing xref:../../installing/installing_aws/ipi/installing-aws-vpc.adoc#installing-aws-vpc[VPC in AWS], xref:../../installing/installing_azure/ipi/installing-azure-vnet.adoc#installing-azure-vnet[vNet in Azure], or xref:../../installing/installing_gcp/installing-gcp-vpc.adoc#installing-gcp-vpc[VPC in GCP]. You can also reuse part of your networking infrastructure so that your cluster in xref:../../installing/installing_aws/ipi/installing-aws-network-customizations.adoc#installing-aws-network-customizations[AWS], xref:../../installing/installing_azure/ipi/installing-azure-network-customizations.adoc#installing-azure-network-customizations[Azure], xref:../../installing/installing_gcp/installing-gcp-network-customizations.adoc#installing-gcp-network-customizations[GCP] can coexist with existing IP address allocations in your environment and integrate with existing MTU and VXLAN configurations. If you have existing accounts and credentials on these clouds, you can re-use them, but you might need to modify the accounts to have the required permissions to install {product-title} clusters on them.
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You can use the installer-provisioned infrastructure method to create appropriate machine instances on your hardware for xref:../../installing/installing_vsphere/ipi/installing-vsphere-installer-provisioned.adoc#installing-vsphere-installer-provisioned[vSphere], and xref:../../installing/installing_bare_metal/ipi/ipi-install-overview.adoc#ipi-install-overview[bare metal]. Additionally, for xref:../../installing/installing_vsphere/ipi/installing-vsphere-installer-provisioned-network-customizations.adoc#installing-vsphere-installer-provisioned-network-customizations[vSphere], you can also customize additional network parameters during installation.
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You can use the installer-provisioned infrastructure method to create appropriate machine instances on your hardware for xref:../../installing/installing_vsphere/ipi/installing-vsphere-installer-provisioned.adoc#installing-vsphere-installer-provisioned[vSphere], and xref:../../installing/installing_bare_metal/ipi/ipi-install-overview.adoc#ipi-install-overview[bare metal]. Additionally, for xref:../../installing/installing_vsphere/ipi/installing-vsphere-installer-provisioned-customizations.adoc#installing-vsphere-installer-provisioned-customizations[vSphere], you can also customize additional network parameters during installation.
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For some installer-provisioned infrastructure installations, for example on the {vmw-first} and bare metal platforms, the external traffic that reaches the ingress virtual IP (VIP) is not balanced between the default `IngressController` replicas. For {vmw-short} and bare metal installer-provisioned infrastructure installations where exceeding the baseline `IngressController` router performance is expected, you must configure an external load balancer. Configuring an external load balancer achieves the performance of multiple `IngressController` replicas. For more information about the baseline `IngressController` performance, see xref:../../scalability_and_performance/optimization/routing-optimization.adoc#baseline-router-performance_routing-optimization[Baseline Ingress Controller (router) performance]. For more information about configuring an external load balancer, see xref:../../installing/installing_bare_metal/ipi/ipi-install-installation-workflow.adoc#nw-osp-configuring-external-load-balancer_ipi-install-installation-workflow[Configuring a user-managed load balancer].
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If you want to reuse extensive cloud infrastructure, you can complete a _user-provisioned infrastructure_ installation. With these installations, you manually deploy the machines that your cluster requires during the installation process. If you perform a user-provisioned infrastructure installation on xref:../../installing/installing_aws/upi/installing-aws-user-infra.adoc#installing-aws-user-infra[AWS], xref:../../installing/installing_azure/upi/installing-azure-user-infra.adoc#installing-azure-user-infra[Azure], xref:../../installing/installing_azure_stack_hub/upi/installing-azure-stack-hub-user-infra.adoc#installing-azure-stack-hub-user-infra[Azure Stack Hub], you can use the provided templates to help you stand up all of the required components. You can also reuse a shared xref:../../installing/installing_gcp/installing-gcp-user-infra-vpc.adoc#installing-gcp-user-infra-vpc[VPC on GCP]. Otherwise, you can use the xref:../../installing/installing_platform_agnostic/installing-platform-agnostic.adoc#installing-platform-agnostic[provider-agnostic] installation method to deploy a cluster into other clouds.
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You can also complete a user-provisioned infrastructure installation on your existing hardware. If you use xref:../../installing/installing_openstack/installing-openstack-user.adoc#installing-openstack-user[{rh-openstack}], xref:../../installing/installing_ibm_z/upi/installing-ibm-z.adoc#installing-ibm-z[{ibm-z-name} or {ibm-linuxone-name}], xref:../../installing/installing_ibm_z/upi/installing-ibm-z-kvm.adoc#installing-ibm-z-kvm[{ibm-z-name} and {ibm-linuxone-name} with {op-system-base} KVM], xref:../../installing/installing_ibm_z/upi/installing-ibm-z-lpar.adoc#installing-ibm-z-lpar[{ibm-z-name} and {ibm-linuxone-name} in an LPAR], xref:../../installing/installing_ibm_power/installing-ibm-power.adoc#installing-ibm-power[{ibm-power-title}], or xref:../../installing/installing_vsphere/upi/installing-vsphere.adoc#installing-vsphere[vSphere], use the specific installation instructions to deploy your cluster. If you use other supported hardware, follow the xref:../../installing/installing_bare_metal/upi/installing-bare-metal.adoc#installing-bare-metal[bare metal installation] procedure. For some of these platforms, such as xref:../../installing/installing_vsphere/upi/installing-vsphere-network-customizations.adoc#installing-vsphere-network-customizations[vSphere], and xref:../../installing/installing_bare_metal/upi/installing-bare-metal-network-customizations.adoc#installing-bare-metal-network-customizations[bare metal], you can also customize additional network parameters during installation.
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You can also complete a user-provisioned infrastructure installation on your existing hardware. If you use xref:../../installing/installing_openstack/installing-openstack-user.adoc#installing-openstack-user[{rh-openstack}], xref:../../installing/installing_ibm_z/upi/installing-ibm-z.adoc#installing-ibm-z[{ibm-z-name} or {ibm-linuxone-name}], xref:../../installing/installing_ibm_z/upi/installing-ibm-z-kvm.adoc#installing-ibm-z-kvm[{ibm-z-name} and {ibm-linuxone-name} with {op-system-base} KVM], xref:../../installing/installing_ibm_z/upi/installing-ibm-z-lpar.adoc#installing-ibm-z-lpar[{ibm-z-name} and {ibm-linuxone-name} in an LPAR], xref:../../installing/installing_ibm_power/installing-ibm-power.adoc#installing-ibm-power[{ibm-power-title}], or xref:../../installing/installing_vsphere/upi/installing-vsphere.adoc#installing-vsphere[vSphere], use the specific installation instructions to deploy your cluster. If you use other supported hardware, follow the xref:../../installing/installing_bare_metal/upi/installing-bare-metal.adoc#installing-bare-metal[bare metal installation] procedure. For some of these platforms, such as xref:../../installing/installing_vsphere/upi/installing-vsphere.adoc#installing-vsphere[vSphere] and xref:../../installing/installing_bare_metal/upi/installing-bare-metal-network-customizations.adoc#installing-bare-metal-network-customizations[bare metal], you can also customize additional network parameters during installation.
:FeatureName: OpenShift zones support for vSphere host groups
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:FeatureName: OpenShift zones support for vSphere host groups
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include::snippets/technology-preview.adoc[]
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You can modify the default installation configuration file to deploy an {product-title} cluster on a {vmw-first} stretched cluster, where ESXi hosts are grouped into host groups by physical location.
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