Cloud Computing Patterns, Mechanisms > Virtual Server and Hypervisor Connectivity and Management Patterns > Virtual Server-to-Virtual Server Affinity
Virtual Server-to-Virtual Server Affinity (Erl, Naserpour)
How can a group of virtual servers and or a bundled workload be guaranteed to be hosted by the same hypervisor?
A group of virtual servers or bundled workload needs to be hosted together on a particular host.
Affinity rules are used to ensure that the virtual server group or bundled workload is always hosted by and moved to the same destination host.
Affinity rules are applied and configured via the application of the Virtual Server-to-Virtual Server Affinity pattern, and controlled and dedicated by the VIM server.
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Virtual Servers A and B are powered on at Hypervisor A, which abruptly fails.
After Hypervisor A experiences failure, both virtual servers are powered on at Hypervisor B.