7-2 IP Address

7-2 IP Address



Adding

Add the network address resource to a group.
The network card resource should be created before adding the network address resource.

  1. select a group → right click → 'Add Resource'.

  2. Select 'IP' from Resource Type lists and click 'Next' button.

  3. Enter virtual IP address which should have same subnet mask with real IP address of both nodes
    Select NIC Resource which IP Address resource depends on.


    [Figure] Attributes Value Entered and Finish Button Active


  4. Click the 'Finish' button to add the network address resource.
    You can immediately check the result in the management web console.

Deleting

Select the resource. -> Right click with the mouse. -> Delete the resource.
The deleted resource will immediately disappear from the management web console.

Status

The following table explains the status switching of the MCCS resource caused by a user's command and the status.
The command assumes that it is generated by a user.

Network address agent: Manages a virtual IP address.

Status

Agent command

Description

Note

Status

Agent command

Description

Note

Online

In this status, a virtual IP address is assigned to a network device.

Offline

An IP address assigned to the designated network card is removed.

 

Monitoring

It tests if a virtual IP address exists on a network card.

 

Offline

In this status, a virtual IP address is not assigned to a network device.

Online

It first checks if the designated network card is online or not.
Before assigning an IP address, it first checks if other system is using that IP address.
If it is not used by other systems, a virtual IP address is assigned to the network card.
If it tries to go online with the address occupied by other system, it will be failed and it will enter the trouble state

 

Monitoring

It tests if a virtual IP address exists on a network card.

 

Trouble

1. IP address assigned to a network device is removed by the external command.
2. A failure occurs in a network card.
3. You failed to assign a virtual IP address to a network device.
(ex: For instance, other system is using the same IP address.)

Specific causes can be found in the error log.

Online

Refer to the above online command.

 

Offline

An IP address assigned to the designated network card is removed.

 

 

Attribute

This is the unique attribute of the network address resource.

Attribute

Description

Type

Default

Edit

Note

Address

Virtual IP address.

IP ADDRESS

 

O

 

Netmask

Subnet mask of the virtual IP address.

IP ADDRESS

 

O

 

NICResName

Name of the network interface card resource that has defined the network device of the virtual IP address being allocated.

NAME

 

O

 

Attribute value of ArgList arguments are the values that are added resources and the value can be changed or viewed through 'Specified Attribute' list on the detailed information panel.
For more information about resource type attribute, please refer to “6. Resource Type” for this document.