D.2 Example connections and communication settings for cluster operation
The following describes example connections and communications settings for cluster operation in an environment where multiple LANs are connected (dissociated network). The explanations deal separately with cases where JP1/AJS3 - Manager is connected to multiple LANs and cases where JP1/AJS3 - Agent is connected to multiple LANs.
- Organization of this subsection
(1) Cases where JP1/AJS3 - Manager is connected to multiple LANs in a cluster configuration
When JP1/AJS3 - Manager is connected to multiple LANs in a cluster configuration, you can connect JP1/AJS3 - Manager to JP1/AJS3 - Manager, JP1/AJS3 - Agent, or JP1/AJS3 - View on the LANs. The hosts require an OS environment in which they can mutually resolve the host name.
(a) Cluster system where JP1/AJS3 - Manager is connected to multiple LANs and linked to their JP1/AJS3 - Agents
In a cluster system where JP1/AJS3 - Manager is connected to multiple LANs, you can link the JP1/AJS3 - Manager with JP1/AJS3 - Agents on the LANs. In this configuration, you can execute jobs with the JP1/AJS3 - Agents from either the physical or logical host. Such a system is shown below.
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![[Figure]](GRAPHICS/ZH020115.GIF)
hostX, on which JP1/AJS3 - Manager is installed, is connected to multiple LANs for cluster operation. JP1/AJS3 - Agent is installed on each host connected to each LAN, and these hosts are defined as agent hosts for both the physical host hostX and the logical host hostL.
In this system configuration, hostX or hostL serves as the manager host and jobs can be executed at the agent host host10 on the Management LAN, and at the agent hosts hostA and hostB on the Work task LAN.
Regarding the communications settings at each host, follow the example communications settings for cluster operation in the JP1/Base User's Guide.
(b) Cluster system where JP1/AJS3 - Manager is connected to multiple LANs and linked to their JP1/AJS3 - Views
When JP1/AJS3 - Manager is connected to multiple LANs for cluster operation, you might be able to use the JP1/AJS3 - Manager with JP1/AJS3 - Views on the LANs. When JP1/AJS3 - Manager is working with JP1/AJS3 - Views on the LANs, from the JP1/AJS3 - Views, you can operate units running on either the physical or logical host. Such a system is shown below.
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![[Figure]](GRAPHICS/ZH020120.GIF)
hostX, on which JP1/AJS3 - Manager is installed, is connected to multiple LANs for cluster operation. JP1/AJS3 - View is installed on each host connected to each LAN.
In this system configuration, the physical host hostX or the logical host hostL serves as the manager host and units can be executed at the agent host host10 on the Management LAN, and at the agent hosts hostA and hostB on the Work task LAN.
Regarding the communications settings on each host, follow the example communications settings for cluster operation in the JP1/Base User's Guide.
- Supplementary note
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If a JP1/AJS3 - Manager service is not running (for example, if a physical JP1/AJS3 service is not used), you can connect JP1/AJS3 - View and JP1/AJS3 - Manager.
(c) Cluster system where JP1/AJS3 - Manager is connected to multiple LANs and linked to their JP1/AJS3 - Managers
When JP1/AJS3 - Manager is connected to multiple LANs and is linked to JP1/AJS3 - Managers on the LANs, you can execute remote jobnets and remotely execute commands on the physical or logical host from JP1/AJS3 - Managers on the LANs.
The following figure shows a connection example when JP1/AJS3 - Manager is connected to multiple LANs to execute remote jobs or remotely execute commands from JP1/AJS3 - Manager in a cluster configuration.
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![[Figure]](GRAPHICS/ZH020125.GIF)
hostX, on which JP1/AJS3 - Manager is installed, is connected to multiple LANs for cluster operation. JP1/AJS3 - Manager is installed on each host connected to each LAN.
In this system configuration, the physical host, hostX, or the logical host, hostL, serves as the manager host. Remote jobnets can be executed, and commands remotely executed, either from the manager host host10 on the Management LAN or from the host hostA or hostB on the Work task LAN.
Regarding the communications settings at hostX, follow the example settings for cluster operation in the JP1/Base User's Guide.
- Supplementary note
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The rules for connecting JP1/AJS3 - Managers to execute remote jobnets or remotely execute commands are the same as the rules for connection from JP1/AJS3 - View.
(2) Cases where JP1/AJS3 - Agent is connected to multiple LANs to execute jobs in a cluster configuration
In a cluster system where JP1/AJS3 - Agent is connected to multiple LANs to work with JP1/AJS3 - Managers on the LANs, from the JP1/AJS3 - Managers, jobs can be executed on the physical or logical host. Such a system is shown below. The hosts require an OS environment in which they can mutually resolve the host name.
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![[Figure]](GRAPHICS/ZH020130.GIF)
hostX, on which JP1/AJS3 - Agent is installed, is connected to multiple LANs for cluster operation. JP1/AJS3 - Manager is installed on each host connected to each LAN, and both the physical host hostX and the logical host hostL are defined as agent hosts.
In this system configuration, the physical host hostX, or the logical host hostL, serves as the agent host. Jobs can be executed either from the manager host host10 on the Management LAN or the manager host hostA or hostB on the Work task LAN.
Regarding the communications settings at each host, follow the example settings for cluster operation in the JP1/Base User's Guide.
(3) Cautionary notes
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For JP1/AJS3 - Manager and JP1/AJS3 - Agent in a cluster configuration, the IP binding method must be set for the receive setting. The reason is that if the ANY binding method is set, data sent to a physical host might be received by a logical host, or data sent to a logical host is received by a physical host. Either case prevents jobs from being executed normally.
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Because the receive setting is set to the IP binding method immediately after a cluster is set up, data can be received from only one LAN even if multiple LANs are connected. Therefore, you need to set up the JP1/Base communication protocol as described in the example of setting up communication for a cluster system in the JP1/Base User's Guide.
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Because the transmission setting is set to the IP binding method immediately after a cluster is set up, the data can be sent to only one LAN, and the host on either LAN can be linked. Therefore, to connect to multiple LANs, you need to set the transmission setting to the ANY binding method. For details, see the example of setting up communication for a cluster system in the JP1/Base User's Guide.
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When connection is established from JP1/AJS3 - View to JP1/AJS3 - Manager, the host that matches the IP address specified in the connection setting is connected, no matter whether the host is a physical or logical host.