Manage VM Cluster Networks
Learn how to use the console to create, edit, download a configuration file, validate, and terminate your infrastructure network.
- About Managing VM Cluster Networks on Oracle Exadata Database Service on Cloud@Customer
The VM cluster provides a link between your Oracle Exadata Database Service on Cloud@Customer infrastructure and Oracle Databases you deploy. - Using the Console to Create a VM Cluster Network
To create your VM cluster network with the Console, be prepared to provide values for the fields required for configuring the infrastructure. - Using the Console to View VM Cluster Network Details
To view VM Cluster Network details, use this procedure. - Using the Console to View SCAN Listener Port Configured
You can only edit a VM cluster network that is not associated with a VM cluster. - Using the Console to Edit a VM Cluster Network
To edit a VM Cluster Network, use this procedure. You can only edit a VM cluster network that is not associated with a VM cluster. - Using the Console to Download a File Containing the VM Cluster Network Configuration Details
To provide VM cluster network information to your network administrator, you can download and supply a file containing the network configuration. - Using the Console to Validate a VM Cluster Network
You can only validate a VM cluster network if its current state is Requires Validation, and if the underlying Exadata infrastructure is activated. - Using the Console to Download Network Validation Report
Learn to validate and inspect the network validation failure report without active involvement from Oracle Cloud Ops in troubleshooting networking configuration issues. - Using the Console to Terminate a VM Cluster Network
Before you can terminate a VM cluster network, you must first terminate the associated VM cluster, if one exists, and all the databases it contains. - Using the Console to Add Another DB Server to the VM Cluster Network
To a DB server to the VM Cluster Network, complete this procedure. - Using the Console to Remove DB Servers from a VM Cluster Network
To remove a database server, use this procedure.
Parent topic: How-to Guides
About Managing VM Cluster Networks on Oracle Exadata Database Service on Cloud@Customer
The VM cluster provides a link between your Oracle Exadata Database Service on Cloud@Customer infrastructure and Oracle Databases you deploy.
Before you can create any databases on your Exadata Cloud@Customer infrastructure, you must create a VM cluster network, and you must associate it with a VM cluster.
The VM cluster network specifies network resources, such as IP addresses and host names, that reside in your corporate data center and are allocated to Exadata Cloud@Customer. The VM cluster network includes definitions for the Exadata client network and the Exadata backup network. The client network and backup network contain the network interfaces that you use to connect to the VM cluster virtual machines, and ultimately the databases that reside on those virtual machines.
Avoid entering confidential information when assigning descriptions, tags, or friendly names to your cloud resources through the Oracle Cloud Infrastructure Console, API, or CLI.
Parent topic: Manage VM Cluster Networks
Using the Console to Create a VM Cluster Network
To create your VM cluster network with the Console, be prepared to provide values for the fields required for configuring the infrastructure.
The following table specifies the maximum and recommended CIDR block prefix lengths for each Exadata system shape. The maximum CIDR block prefix length defines the smallest block of IP addresses that are required for the network. To allow for possible future expansion within Exadata Database Service on Cloud@Customer, work with your network team to reserve enough IP addresses to accommodate any future growth.
Max # Database Servers | Client and DR Subnet Size | Backup Subnet Size |
---|---|---|
5 |
/28 (16 IPs) |
/29 (8 IPs) |
13 |
/27 (32 IPs) |
/28 (16 IPs) |
29 |
/26 (64 IPs) |
/27 (32 IPs) |
32 |
/25 (128 IPs) |
/26 (64 IPs) |
Related Topics
Parent topic: Manage VM Cluster Networks
Using the Console to View VM Cluster Network Details
To view VM Cluster Network details, use this procedure.
Parent topic: Manage VM Cluster Networks
Using the Console to View SCAN Listener Port Configured
You can only edit a VM cluster network that is not associated with a VM cluster.
Parent topic: Manage VM Cluster Networks
Using the Console to Edit a VM Cluster Network
To edit a VM Cluster Network, use this procedure. You can only edit a VM cluster network that is not associated with a VM cluster.
Parent topic: Manage VM Cluster Networks
Using the Console to Download a File Containing the VM Cluster Network Configuration Details
To provide VM cluster network information to your network administrator, you can download and supply a file containing the network configuration.
Parent topic: Manage VM Cluster Networks
Using the Console to Validate a VM Cluster Network
You can only validate a VM cluster network if its current state is Requires Validation, and if the underlying Exadata infrastructure is activated.
Parent topic: Manage VM Cluster Networks
Using the Console to Download Network Validation Report
Learn to validate and inspect the network validation failure report without active involvement from Oracle Cloud Ops in troubleshooting networking configuration issues.
You can download the network validation report only when the VM Cluster Network State
life cycle state is Validation Failed
.
Validated
(Successful validation run does not generate a results file)Requires Validation
Updating
Allocated
Example 5-2 Validation Report
{
"Physical_Links":[
"Issue detected with Physical Links. Please check the cables connected to ExaCC, or contact Oracle Support."
],
"VLAN":[
"Gateway <G1> is not accessible from source <ipaddr > with vlan id <vlanId>. Please ensure vlan Id, IP address and Gateway are correct",
"Gateway <G2> is not accessible from source <ipaddr > with vlan id <vlanId>. Please ensure vlan Id, IP address and Gateway are correct"
],
"Gateway":[
"Gateway <G1> is not accessible from source <ipaddr > with vlan id <vlanId>. Please ensure vlan Id, IP address and Gateway are correct",
"Gateway <G2> is not accessible from source <ipaddr > with vlan id <vlanId>. Please ensure vlan Id, IP address and Gateway are correct"
],
"DNS":[
"Missing reverse DNS entry(ies) <hostname> for <IP addr> in the DNS server <dnsIP>. Please update the DNS Server with appropriate entry(ies).",
"Missing DNS entry(ies) <IP> for <hostname> in the DNS server <dnsIP>. Please update the DNS Server with appropriate entry(ies).",
"Wrong reverse DNS entry(ies) <hostname> found for <IP addr> in the DNS server <dnsIP>. Please update the DNS Server with appropriate entry(ies).",
"Wrong DNS entry(ies) <IP addr> found for <hostname> in the DNS server <dnsIP>. Please update the DNS Server with appropriate entry(ies)."
],
"NTP":[
"NTP <ntpIP> is not accessible from source <domU_ipaddr> with vlan id <vlanId> using gateway <gatewayIP>. Please ensure NTP, VlanId, IP address, Gateway are correct."
],
"IP_Availability":[
"IP <IP1> is already in use. Please ensure this IP is available.",
"IP <IP2> is already in use. Please ensure this IP is available.",
"IP <IP3> is already in use. Please ensure this IP is available."
]
}
Parent topic: Manage VM Cluster Networks
Using the Console to Terminate a VM Cluster Network
Before you can terminate a VM cluster network, you must first terminate the associated VM cluster, if one exists, and all the databases it contains.
Terminating a VM cluster network removes it from the Cloud Control Plane.
Parent topic: Manage VM Cluster Networks
Using the Console to Add Another DB Server to the VM Cluster Network
To a DB server to the VM Cluster Network, complete this procedure.
Oracle strongly recommends that customers use the latest GI version, or at least GI version 19.11.
- Click the name of the VM Cluster Network that you want to
edit.
Exadata Infrastructure Details page displays the configured DB servers.
- Click Add DB Servers to Network to assign IP addresses.
Add DB Servers to Network page is displayed.
- Select one or more DB servers from the list.
- Click Add DB Servers to Network.
- Enter IP addresses in the Client network and Backup network sections.
- Click Add DB Server to Network IP.
Exadata Infrastructure Details page displays a banner with the count of DB servers selected.
If you want to change the IP addresses, click Edit VM Cluster Network. Make changes on the Edit VM Cluster Network page and then click Save Changes.
- Click Validate VM Cluster Network.
Validate VM Cluster Network goes into validating state.
The statuses of the DB servers change to Validated if the validation is successful.
Parent topic: Manage VM Cluster Networks
Using the Console to Remove DB Servers from a VM Cluster Network
To remove a database server, use this procedure.
You cannot remove network resources that are currently allocated to a virtual machine.
Parent topic: Manage VM Cluster Networks