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2. In addition, installing an iSNS server is recommended for dual controller system.
3. Power on DSN-6420/6410 and DSN-6020 (optional) first, and then power on hosts
and iSNS server.
4. Host server is suggested to logon the target twice (both controller 1 and controller 2),
and then MPIO should be setup automatically. (only for DSN-6420)
Tips
iSNS server is recommended for dual controller system.
For better data service availability, all the connections among host servers, 10GbE
switches, and the dual controllers are recommended as redundant as below.
Figure 2.5.3 (only for DSN-6420)
The following topology is the connections for console and UPS (optional).