March 2019
Beginner to intermediate
778 pages
34h 20m
English
Maintenance behavior determines how an instance should be treated in the event that a maintenance event occurs. The default maintenance behavior for instances is to undergo a live migration. During a live migration, Google moves the running VM to a new host machine with minimal impact on the VM. This means that during a live migration, the VM remains operational.
The live migration process involves a few key steps, in which the VM's guest memory and running processes are transferred to the new host. At some point during a live migration, the VM is temporarily paused on the old host and resumed on the new host. This approach provides minimal downtime and should not affect running processes on the VM.
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