Summary:
SSM provides a clustering feature that allows you to group multiple servers into a domain. There are a number of things you need to be aware of when working with clustering.
NOTE:
Clustering is the act of sharing data distributed across
multiple physical devices and bundling them into a single logical system.
Step By Step Guide:
SSM servers must be able to send and receive data through network communication
- Clustering is not possible with different IP addressing schemes. If the subnet is 255.255.255.0, devices with 192.168.1.10 and 192.168.100.10 cannot communicate.
- Clustering is not possible if communication is blocked by firewall/antivirus, etc. In the case of Windows OS, the Windows Firewall is enabled. Firewall exception registration is performed by default when installing SSM, but it may be disabled if it is not exempted for unknown reasons
- Clustering is not possible if the SSMs installed on the servers have different program versions. Even the hotfix version must be the same. *Note that the failure reason does not indicate the version difference.
- If the network setting of SSM Service Manager is set to "Automatic", there is a possibility of clustering malfunction. There have been cases of data synchronization problems when a PC has more than one IP address
- If the network card setting is set to "Auto" in SSM Service Manager, clustering malfunctions may occur. (There is no "Auto" setting in the latest version) There have been cases of data synchronization problems when a PC has more than one IP address.
- If there is a large time (UTC) difference between SSM servers, clustering might not work.
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