View
Resource Group Status
Resource Group Topology
Resource Group Configuration
Actions
Bringing a Resource Group Online/Switching Primaries
Taking a Resource Group Offline
Restarting a Resource Group
Managing a Resource Group
Unmanaging a Resource Group
Creating a New Resource Group
Deleting a Resource Group
Resource Tasks
Note: If your cluster has more than four nodes or more than four resource groups, the resource group topology is not displayed as an option from the View menu. |
When you perform this task, SunPlex Manager also automatically manages the resource group. You need to enable the resources in the resource group.
Bring a resource group online to allow resources to begin providing failover or scalable services.
Switch primaries for the following reasons.
To bring a resource group online or switch primaries, perform the following steps.
To display a Resource Groups window, select Resource Groups or [resource group name] from the Resource Group section of the SunPlex Manager navigational frame.
SunPlex Manager displays a task window that prompts for additional information.
If the resource group is Failover, select one new primary.
If the resource group is Scalable, you can select more than one new primary.
SunPlex Manager displays a confirmation message, including the command that is used to complete the task. Note this command for future use in scripts and other automated tasks.
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Performing this task puts the selected resource group into an unmanaged
state on all nodes.
After you take a resource group offline, the resource group cannot restart until you bring the resource group online. |
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To take a resource group offline, perform the following steps.
To display a Resource Groups window, select Resource Groups or [resource group name] from the Resource Group section of the SunPlex Manager navigational frame.
SunPlex Manager displays a task window that prompts for additional information.
SunPlex Manager displays a confirmation message, including the command that is used to complete the task. Note this command for future use in scripts and other automated tasks.
Note: If the application that the resource is controlling fails to stop, the SunPlex Manager places a STOP_FAILED flag on the associated resource and resource group.
You need to manually check the resource application to see if it is running, stop the application on the node that it is running on, and clear the STOP_FAILED flag. |
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Restarting a resource group takes the selected resource group and all of its resources offline and then online on the resource group's primary nodes. |
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To restart a resource group, perform the following steps.
To display a Resource Groups window, select Resource Groups or [resource group name] from the Resource Group section of the SunPlex Manager navigational frame.
If the resource group is offline, select Bring Online/Switch Primaries from the Actions menu to bring the resource group online. SunPlex Manager cannot restart a resource group that is offline.
SunPlex Manager displays a task window that prompts for additional information.
SunPlex Manager displays a confirmation message, including the command that is used to complete the task. Note this command for future use in scripts and other automated tasks.
To manage a resource group, perform the following steps.
To display a Resource Groups window, select Resource Groups or [resource group name] from the Resource Group section of the SunPlex Manager navigational frame.
SunPlex Manager displays a task window that prompts for additional information.
SunPlex Manager displays a confirmation message, including the command that is used to complete the task. Note this command for future use in scripts and other automated tasks.
You need to disable each resource in the resource group before you unmanage the resource group. After you select Unmanage Group, SunPlex Manager takes the resource group offline.
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Performing this task puts the selected resource group into an unmanaged state on all nodes. |
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To unmanage a resource group, perform the following steps.
To display a Resource Groups window, select Resource Groups or [resource group name] from the Resource Group section of the SunPlex Manager navigational frame.
SunPlex Manager displays a task window that prompts for additional information.
SunPlex Manager displays a confirmation message, including the command that is used to complete the task. Note this command for future use in scripts and other automated tasks.
The two resource group types are failover and scalable. A failover resource group can be online on only one node at any time. A scalable resource group can be online on multiple nodes simultaneously.
To create a new resource group, perform the following steps.
To display a Resource Groups window, select Resource Groups or [resource group name] from the Resource Group section of the SunPlex Manager navigational frame.
SunPlex Manager displays a task window that prompts for additional information.
The nodes you select become the resource group's ordered nodelist.
The node name is highlighted.
Add all potential primaries to the Selected Nodes list.
The node name is highlighted.
The node name is highlighted.
The default is one. If you are creating a failover resource group, the value of this property must be no greater than one. If you are creating a scalable resource group, a value greater than one is allowed.
The default is one. If you are creating a Failover Resource Group, the value of this property must be no greater than one. If you are creating a Scalable Resource Group, a value greater than one is allowed.
If you clicked Create Resource Group, you are finished with this procedure. The SunPlex Manager displays a confirmation message, including the command that is used to complete the task. Note this command for future use in scripts and other automated tasks.
If you clicked Configure Additional Properties, the SunPlex Manager displays a task window that prompts for additional information. Continue to the next step.
See the Resource Group Properties table for a complete description of each property.
Note: If you are creating a resource group that will hold an NFS resource, specify the Pathprefix Directory.
You can specify any directory for this purpose. However, you must manually create the PathPrefix directory before you add an NFS resource to the group. For more information on setting up the PathPrefix Directory, see Installing Sun Cluster HA for NFS. |
SunPlex Manager displays a confirmation message, including the command that is used to complete the task. Note this command for future use in scripts and other automated tasks.
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By deleting a resource group, you permanently delete the selected resource group and all of the resources it contains. |
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To delete a resource group, perform the following steps.
To display a Resource Groups window, select Resource Groups or [resource group name] from the Resource Group section of the SunPlex Manager navigational frame.
SunPlex Manager displays a task window that prompts for additional information.
SunPlex Manager displays a confirmation message, including the command that is used to complete the task. Note this command for future use in scripts and other automated tasks.