User Manual

DW Spectrum 3.0
Rev. 072017 Page | 39
3. Enter Server URL (any server of System B or remote Server). To find Systems in local network use drop-down
menu. For Remote Server type Error! Hyperlink reference not valid.:
 <ip> – IP address of Server (the current computer should be able to connect to this Server)
 <port> – network port of Server (default 7001).
4. Enter Password to System B (or to remote Server) and click Find System.
5. Select the new System Name (System A or System B).
 System A – System B will be merged to System A
 System B – System A will be merged to System B
6. Click Merge with <System Name>.
Configuring Failover
DW Spectrum can automatically manage failover in multi-server environment. If Server goes down, all devices are
transferred to other Servers and Client is being reconnected to other Servers as well. The archive playback will remain
seamless, however this may be a 30 seconds gap in recording during the transfer.
Failover should be configured on backup servers. For instance if System contains Server A and Server B it should
configure Server A to take over Devices from Server B and vice versa.
IMPORTANT. To be able to do failover, both server should be able to access devices.
To configure Failover:
1. Find Server B in Resource Tree, open Context Menu and choose Server Settings.
2. Click Enable Failover.
3. Enter the number of Devices the server can handle.
4. Click OK. Now If Server A goes down, all devices will be transferred to Server B.
5. To make Server A handle the devices from Server B, make the same on Server A.
IMPORTANT. To be able to do failover, Server should be able to handle double amount of devices.
It is possible to set up Failover Priorities. This means if some cameras are more important, it can be failed over first.
There are the following priorities:
 High – these cameras will be failed over at first.
 Medium and Low – these cameras will be failed over only if there is a server to host them.
 Never – these cameras won't be failed over.
1. To configure Failover Priorities find any Server in Resource Tree, open Context Menu and choose Server Settings.
2. Click Failover Priority. The list of Servers and Cameras will be displayed.
3. Select Cameras and click a button on the bottom to set the desired Priority.
4. Repeat this for all cameras that should be prioritized.
5. Click OK to apply changes.