- Notes, cautions, and warnings
- Revision history
- Introduction
- VxRail network planning overview
- Plan the VxRail network
- VxRail cluster types
- VxRail hardware and switch selection decision points
- Prepare the data center to implement VxRail
- Decide on an IP address scheme
- Prepare external network connectivity for VxRail
- Prepare service connectivity for VxRail
- Prepare for VMware vSphere+ subscription licensing
- Prepare data center routing services
- Prepare for multirack VxRail cluster
- Prepare for VMware vSAN HCI mesh topology
- Prepare external FC storage for dynamic clusters
- Prepare for VxRail custom uplink assignments
- Prepare data center network MTU
- Prepare for LAG of VxRail networks
- Plan LAG on switch port pairs
- Prepare certificate authority server for VxRail
- Identify isolation IP addresses for VMware vSphere High Availability
- Plan the VxRail cluster implementation
- Decide on VxRail single point of management
- Decide on VxRail network traffic segmentation
- Decide on teaming and failover policies for VxRail networks
- Plan the VxRail logical network
- Plan network settings for VxRail management components
- Plan network settings for VMware vCenter Server management network
- Identify IP addresses for VxRail management components
- Select hostnames for VxRail management components
- Identify external applications and settings for VxRail
- Prepare the customer-managed VMware vCenter Server
- Prepare a customer-managed VMware VDS
- Reserve IP addresses for VxRail-managed VMware vSphere vMotion network
- Reserve IPv4/IPv6 addresses for VxRail vSAN network
- Decide on VxRail logging solution
- Assign passwords for VxRail management
- Plan VMware vSAN witness networking
- Plan networking for VxRail Satellite Nodes
- Configure the Network for VxRail
- Prepare to build the VxRail cluster
- VxRail network considerations after implementation
- Appendix A: VxRail Network Configuration Table
- Appendix B: VxRail Passwords
- Appendix C: VxRail cluster setup checklist
- Appendix D: VxRail Open Ports Requirements
- Appendix E: VMware VDS port group default settings
- Appendix F: Physical Network Switch Examples
- Pre-defined network profile: 2x10gb or 2x25gb from a single NDC/OCP
- Predefined network profile: 4x10gb or 4x25gb NDC/OCP
- Predefined network profile: 2 x 10/25 GB NDC/OCP and 2 x 10/25 GB PCIe
- Custom option: Any NDC/OCP ports paired with PCIe ports
- Custom option: Two NDC/OCP ports paired with PCIe ports other than the first slot
- Custom option: PCIe ports only
- Custom option: Six ports
- Custom option: Eight ports
- Custom option: Eight ports connected to four Ethernet switches
Dell VxRail Network Planning Guide
VxRail dynamic node cluster
Dynamic clusters differentiate themselves from other VxRail cluster types by the primary storage resource. Other cluster types depend on the local VMware vSAN data store as the primary storage resource. With a dynamic cluster, the nodes that are used to build the cluster do not have local disk drives. Therefore, an external storage resource is required to support workload and applications.
A dynamic cluster may be preferable to other cluster types in these situations:
- You already have an investment in compatible external storage resources in your data centers that can serve as primary storage for a dynamic cluster. You already have an investment in compatible external storage resources in your data centers that can serve as primary storage for a dynamic cluster.
- The business and operational requirements for the applications that are targeted for the VxRail cluster can be better served with existing storage resources.
- The likelihood of stranded assets through node expansion is less likely with a dynamic cluster.
If a dynamic cluster is the best fit for your business and operational requirements, be aware of the following:
- Verify that the storage resources in the data center you plan for VxRail dynamic clusters is supported. See the support matrix for dynamic nodes on the VxRail Product Support to verify compatibility.
- The target data center for the VxRail dynamic cluster must already have deployed one of the supported options for primary storage.
- VxRail publishes a guide to assist you in preparing your data center storage for a VxRail dynamic cluster at Configure External Storage of VxRail Dynamic Node Cluster. Use the technical documentation provided for the selected external storage to prepare the storage for a VxRail dynamic cluster.
- Any performance issues that are diagnosed at the storage level may be related to infrastructure outside of VxRail, and must be managed separately.
- A dynamic cluster does not have the same level of visibility and control of an external storage resource in comparison to a local vSAN data store.
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