In the first part of this blog series, we took a high-level view of all the patterns provided by Migration Coordinator, a fully GSS-supported tool built into NSX for migrating NSX for vSphere to NSX (NSX-T ).
The second blog in this series will detail the options available for in-place migration, along with the pros and cons of each approach.
NSX for vSphere: Fixed Topology
This mode was the first to introduce Migration Coordinator in the NSX 2.4 release. This mode supports migrating configurations and workloads to NSX using the same hosts running NSX for vSphere. It only requires additional capacity to run NSX appliances such as Managers and Edges.
Positioning Mode: Marked in red below.
NSX Preparation
1. Install: NSX Manager and Edge
2. Configure: None
Pros:
1. Workload Migration: Built-in
2. Bridging: Built-in
Cons
1. Customization options: None
2. Timing of workload migration: Uncontrollable
3. Supported topologies: Only 5 items
Distributed firewalls, hosts and workloads
This mode is useful when only the distributed firewall configuration is required to be migrated.
Locating Mode
This mode is located under "Advanced Migration Mode" marked in red in the figure below.
NSX Preparation:
1. Install: NSX Manager and Edge
2. Configuration:
1. Configure N/S Network Connection and
2. Southbound Route T0 to Network Segment
Advantages
1. Workload Migration: Built-in
2. Bridging: Built-in
3. Customization options: The north boundary of the segment can be customized as needed
Disadvantages
1. Timing of workload migration: Uncontrollable
2. Supported topologies: Any
NSX for vSphere: User Defined Topology - Complete Migration
The User Defined Topology mode combines the simplicity of the "Fixed Topology" mode with the flexibility of the "Distributed Firewall, Hosts, and Workloads" mode. In this mode, users still have the flexibility to configure N/S connections and create T0. The rest The configuration, network and security of the can be migrated by using the migration coordinator for this mode.
Locate the mode
This mode belongs to the "User Defined Topology" mode.
Click the "User Defined Topology Mode" highlighted in red below:
Then select the first option highlighted in red below:
NSX preparation:
1. Install: NSX manager and Edges
2. Configuration:
1. Configure N/S network connection and
2. Create T0s
Advantages
1. Workload migration: Built-in
2. Bridging: Built-in
3. Customization options: N/S connection and T0 design
4. Supported topologies: Any
Disadvantage
1. Timing of workload migration: Uncontrollable
NSX Global Manager: User Defined Topology - Complete Migration
For customers deploying across VCenters, Migration Coordinator allows them to migrate their NSX for vSphere into Federation using the "User Defined Topology - Full Migration" mode for in-place migration. This mode is only available through the global manager.
The location mode
is in the Global Manager under the system -> Migrate, select the NSX for vSphere mode, as highlighted in red in the following figure:
Select to complete the migration, as shown in the red mark in the following figure:
NSX preparation:
1. Install: NSX global and local manager, Edges
2. Configuration:
1. Configure N/S networking and
2. Create T0s
Advantages:
1. Workload Migration: Built-in
2. Bridging: Built-in
3. Customization options: N/S connection and T0 design
4. Supported topologies: Any
Disadvantage
1. Timing of workload migration: Uncontrollable
in conclusion
In the second part of this blog series, we will detail the in-place migration option using Migration Coordaintor. The in-place migration mode is suitable for situations where you want to use existing hardware and let the Migration Coordaintor take care of all the details of workload migration. Some of these patterns also allow flexibility in defining north-south connections.
In the third part of this series, we'll cover the lift and shift migration patterns.
Posted by Samuel Kommu, VMware Network Security
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