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Configuring failover for standard cluster jobs
To configure failover for a standard cluster, you will be using the Double-Take Availability Failover Control Center. This is a legacy console that is eventually being phased into the Double-Take Console. To access this console, select Start, Programs, Double-Take, Availability, Double-Take Availability Failover Control Center.
- Click Add Target and enter the name or IP address of your failover target. If your target is a cluster, specify the current owning node of the cluster.
- Click OK.
- Click Login to login to the selected target.
- Select a source machine to monitor by clicking Add Monitor. The Insert Source Machine dialog box appears in front of the Monitor Settings dialog box.
- If your source is a standalone server, enter the name or IP address of the source. If your source is a cluster, click Custom and specify the virtual IP address on the source cluster.
- Click OK.
- In the Names to Monitor tree, select the IP addresses on the source that you want to monitor.
- Highlight an IP address that you have selected for monitoring and select a Target Adapter that will assume that IP address during failover. Repeat this process for each IP address that is being monitored.
- Highlight an IP address that you have selected for monitoring and select a Method to Monitor for Failover.
- Network Service—Source availability will be tested for by a Double-Take Availability network response
- Replication Service—Source availability will be tested for by a Double-Take service response.
- Network and Replication—Source availability will be tested for by both a Double-Take Availability network response and a Double-Take service response.
- No Monitoring—Double-Take Availability does not actively monitor the source. You will be responsible for identifying when a failure has occurred and initiating failover manually.
- Repeat step 9 for each IP address that is being monitored.
- Enable the Failover Hostname and Failback Hostname options, if you are using Active Directory. Click Credentialsand identify a user and the associated password that has privileges to create and
delete SPNs. The username must be in the format fully_qualified_domain\user.
- Click Scripts and specify a post-failover and pre-failback script. The post-failover script must contain the command cluster group “Group_Name” /ONLINE where Group_Name is the name of the resource to bring online. The pre-failback script must contain the command cluster resource “IP_Address” /OFFLINE where IP_Address is the IP address to take offline.
- If you want to use a source post-failback script and are using a cluster to cluster or cluster to standalone environment, you will not be able to specify credentials on the source for the post-failback script. You will have to modify the account use to run the Double-Take service on the source and use an account that has the proper privileges to run the source post-failback script.
- Use the default settings for the remaining options.
- Click OK to save the settings and return to the main Failover Control Center window.
- If your target is a cluster, repeat all of these steps to establish monitoring on the non-owning nodes of the cluster, so that in the event they become an owning node, the will be monitoring the source for failover.