Synology SA3200D Synology High Availability SHA User Guide for DSM 7.0 - Page 27

If the two servers can be connected to different power sources and network switches, DSM 7.0

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Chapter 3: Set Up and Configure an SHA Cluster If the two servers can be connected to different power sources and network switches We recommend you to connect the active server and the passive server to the power supply of the corresponding network switch. You can set up one or two UPS types (USB UPS / SNMP UPS / Synology UPS server). If you use USB UPS, connect the communication interfaces of the two UPS to the active server and the passive server, respectively. If you use SNMP UPS or Synology UPS server, you will need to set up a corresponding UPS IP address for each server. In this case, if there is a problem with one of the power supplies, the connected server will enter Safe Mode. If the power supply is that of the active server, services will fail over to the passive server. Note: For more information on UPS configuration, refer to the respective help articles for DSM 7.0 and DSM 6.2. 25

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Chapter 3: Set Up and Configure an SHA Cluster
If the two servers can be connected to different power sources and network switches
We recommend you to connect the active server and the passive server to the power supply of
the corresponding network switch. You can set up one or two UPS types (USB UPS / SNMP UPS
/ Synology UPS server).
If you use USB UPS, connect the communication interfaces of the two UPS to the active server
and the passive server, respectively.
If you use SNMP UPS or Synology UPS server, you will need to set up a corresponding UPS IP
address for each server. In this case, if there is a problem with one of the power supplies, the
connected server will enter Safe Mode. If the power supply is that of the active server, services
will fail over to the passive server.
Note:
For more information on UPS configuration, refer to the respective help articles for
DSM 7.0
and
DSM 6.2
.