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Best practice
Install the Failover Manager on a server in a separate physical location from the SAN sites, and
then add it as a separate site in the management group. Doing so will prevent loss of quorum in
a site failure, regardless of which single site fails.
Adding the Failover Manager to the management group and site
Adding the Failover Manager to the management group will likely cause the manager configuration
to become less than optimal. Be sure to change the manager configuration to best reflect the new
configuration of the management group. See the section “Best practice for managers in a
management group” in the HP StoreVirtual Storage User Guide.
1. Use Find to search for the Failover Manager, which appears in the Available Systems pool in
the CMC.
2. Right-click on the Failover Manager and then select Add to Existing Management Group.
• If there is more than one management group, select the correct one from the list that
opens.
• If there is only one management group, the Failover Manager is added to the group.
3. Select the Sites node in the navigation window.
4. Right-click and then select New Site.
5. In the New Site window, type the name and optional description for the Failover Manager
site.
6. Click Add in the Site Systems section.
7. In the Add Systems to Sites window, select the Failover Manager from the list and then click
OK.
8. Click OK on the New Site window.
The new Failover Manager site appears in the Sites Details tab.
NOTE: You can also add the Failover Manager to an existing site.
Configuring sites
A site is a user-designated location in which storage systems are installed. Multi-Site SAN
configurations have multiple sites with storage systems in each site. A site can be a logical
configuration, such as a subnet within the same data center, department, or application. Volumes
are replicated across sites, which ensures high availability and redundancy.
You can also assign application servers to sites to avoid high-latency connections. Application
servers assigned to a specific site connect only to storage systems in the same site.
Sites have the following characteristics:
• Have equal numbers of storage systems, except for the Failover Manager, which can reside
in a site by itself.
• Correlate to a geographical location and/or a configuration entity such as a subnet or power
grid
• May be marked as primary
• Have a planned number of managers
• Have a planned data protection level
• Can have application servers assigned to them
Configuring sites 25