Migration Cluster Resources and Settings
This section describes the resources and their settings of a migration cluster.
Migration Cluster Resources
|
Resource |
Configurable During Cluster Creation |
Mandatory |
Quantity |
Naming Rule |
Description |
|---|---|---|---|---|---|
|
ECSs |
Yes |
Yes |
|
oms_cluster_ecs_Node ID |
These ECSs have the migration plug-in installed and are used to schedule and perform migration tasks. |
|
NAT gateway |
Yes |
No |
1 |
oms_cluster_nat_Cluster ID |
This NAT gateway enables list and migration nodes to communicate with migration sources over the public network, so that source data can be migrated. |
|
LTS |
Yes |
No |
1 |
Host group name: oms_lts_host_group_Cluster ID |
LTS is used to save and search for logs of the migration cluster. If Log Collection is not enabled during cluster creation, these LTS resources will not be created. |
|
Host group name: oms_lts_host_group_label_Cluster ID |
|||||
|
Log group name: oms_lts_log_group_Cluster ID |
|||||
|
Log stream name: oms_lts_stream_group_Cluster ID |
|||||
|
Log access name: oms_lts_access_config_Cluster ID |
|||||
|
VPC endpoint service |
No |
Yes |
1 |
Region name.oms-cluster.Service ID |
This VPC endpoint service allows OMS to communicate with the master node in the migration cluster to manage migration tasks. For details, see VPC Endpoint Service Configuration. |
|
Security groups |
No |
Yes |
2 |
oms_cluster_sg_master_Cluster ID |
This is the security group of the master node in the migration cluster. It enables the communication between OMS and the migration cluster. For details about the security group settings, see Security Group Settings for the Master Node. |
|
oms_cluster_sg_agent_Cluster ID |
This is the security group of the list and migration nodes in the migration cluster. It enables communication between nodes in the migration cluster. For details about the security group settings, see Security Group Settings for List and Migration Nodes. |
VPC Endpoint Service Configuration
|
Item |
Configuration |
Description |
|---|---|---|
|
VPC |
The VPC where the migration cluster works is selected. |
- |
|
Service Type |
Interface |
- |
|
Connection Approval |
This option is enabled. |
VPC endpoints need to be approved before they can connect to this endpoint service. |
|
Port Mapping |
Ports 22 and 9002 are mapped. |
They are used for plugin installation, task delivery, and task management. |
|
Backend Resource Type |
ECS |
The ECS used as the master node. |
|
Connection Management |
The VPC endpoint of OMS is allowed to access this VPC endpoint service. |
Allows OMS to communicate with the master node in the migration cluster. |
|
Permission Management |
OMS is added to the whitelist. |
Allows access from the VPC endpoint of OMS. |
Security Group Settings for the Master Node
|
Direction |
Priority |
Action |
Type |
Protocol & Port |
Source or Destination |
Description |
|---|---|---|---|---|---|---|
|
Inbound |
1 |
Allow |
IPv4 |
All |
Security group of the mater node |
Allows VMs in the security group to communicate with each other. |
|
Inbound |
1 |
Allow |
IPv6 |
All |
Security group of the mater node |
Allows VMs in the security group to communicate with each other. |
|
Inbound |
1 |
Allow |
IPv4 |
TCP: 22 |
198.19.128.0/17 |
Allows OMS to communicate with the master node to install the migration plugin. |
|
Inbound |
1 |
Allow |
IPv4 |
TCP: 9002 |
198.19.128.0/17 |
Allows OMS to communicate with the master node to deliver and manage tasks. |
|
Inbound |
1 |
Allow |
IPv6 |
All |
The security group of the list and migration nodes |
Allows the list and migration nodes to communicate with the master node. |
|
Inbound |
1 |
Allow |
IPv4 |
All |
The security group of the list and migration nodes |
Allows the list and migration nodes to communicate with the master node. |
|
Outbound |
1 |
Allow |
IPv6 |
All |
::/128 |
Allows outbound traffic to communicate with the migration source. |
|
Outbound |
1 |
Allow |
IPv4 |
All |
0.0.0.0/0 |
Allows outbound traffic to communicate with the migration source. |
|
Outbound |
1 |
Allow |
IPv6 |
All |
The security group of the list and migration nodes |
Allows the list and migration nodes to communicate with the master node. |
|
Outbound |
1 |
Allow |
IPv4 |
All |
The security group of the list and migration nodes |
Allows the list and migration nodes to communicate with the master node. |
Security Group Settings for List and Migration Nodes
|
Direction |
Priority |
Action |
Type |
Protocol & Port |
Source or Destination |
Description |
|---|---|---|---|---|---|---|
|
Inbound |
1 |
Allow |
IPv6 |
All |
Security group of the mater node |
Allows the list and migration nodes to communicate with the master node. |
|
Inbound |
1 |
Allow |
IPv4 |
All |
Security group of the mater node |
Allows the list and migration nodes to communicate with the master node. |
|
Inbound |
1 |
Allow |
IPv4 |
All |
The security group of the list and migration nodes |
Allows VMs in the security group to communicate with each other. |
|
Inbound |
1 |
Allow |
IPv6 |
All |
The security group of the list and migration nodes |
Allows VMs in the security group to communicate with each other. |
|
Outbound |
1 |
Allow |
IPv4 |
All |
0.0.0.0/0 |
Allows outbound traffic to communicate with the migration source. |
|
Outbound |
1 |
Allow |
IPv6 |
All |
::/128 |
Allows outbound traffic to communicate with the migration source. |
|
Outbound |
1 |
Allow |
IPv6 |
All |
Security group of the mater node |
Allows the list and migration nodes to communicate with the master node. |
|
Outbound |
1 |
Allow |
IPv4 |
All |
Security group of the mater node |
Allows the list and migration nodes to communicate with the master node. |
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