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Master/slave is a model of communication where one device or process has unidirectional control over one or more other devices. In some systems a master is selected from a group of eligible devices, with the other devices acting in the role of slaves. |
| Gliffy Diagram |
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| name | master-slave software architecture |
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| pagePin | 3 |
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| Gliffy Diagram |
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| name | Disaster Recovery in Active-Stand-by |
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| pagePin | 1 |
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From above architecture, Master DB is always working, but Slave DB is not working and mirrored from Master DB. When the master is dead, the slave will be activated automatically/manually. To implement automatic switching, it can be easily implement by clone job or real-time monitoring tool.