Dell 3-DNS, Administrator'S Manual

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Working with Global Availability Load Balancing
3-DNS
®
Administrator Guide 9 - 3
Configuring the Global Availability mode
The following sections describe how to configure the Global Availability
load balancing mode to load balance among pools and to load balance
within a pool.
To configure the Global Availability load balancing mode among
pools using the Configuration utility
1. In the navigation pane, click Wide IPs .
2. In the Wide IP column, click a wide IP name.
The Modify Wide IP screen opens.
3. In the Pool LB Mode box, select Global Availability .
4. Click Update .
5. A popup screen appears, indicating that with the Global Availability
load balancing mode you must order the pools. Click OK .
The Modify Virtual Servers screen opens.
6. In the Order column, specify the order in which you want to list the
pools for Global Availability.
7. Click Update .
To configure the Global Availability load balancing mode among
pools from the command line
1. To ensure that the configuration files contain the same information
as the memory cache, type the following command:
3ndc dumpdb
2. Open the wideip.conf file in a text editor (either vi or pico ).
3. Locate the wideip statement you want to edit.
4. Define the pool load balancing mode as Global Availability:
pool_lbmode ga
5. List the pools in the wide IP in descending order of preference.
6. Save and close the file.
7. Commit the changes to the configuration by typing:
3ndc reload
To configure the Global Availability load balancing mode within
a pool using the Configuration utility
1. In the navigation pane, click Wide IPs .
2. In the Wide IP column, click a wide IP name.
The Modify Wide IP screen opens.