Update _index.md
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- Network partition within cluster, or between cluster and users
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- Network partition within cluster, or between cluster and users
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- Crashes in Kubernetes software
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- Crashes in Kubernetes software
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- Data loss or unavailability of persistent storage (e.g. GCE PD or AWS EBS volume)
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- Data loss or unavailability of persistent storage (e.g. GCE PD or AWS EBS volume)
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- Operator error, for example misconfigured Kubernetes software or application software
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- Operator error, for example, misconfigured Kubernetes software or application software
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### Specific scenarios
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### Specific scenarios
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- API server VM shutdown or apiserver crashing
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- API server VM shutdown or apiserver crashing
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- Results
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- Results
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- unable to stop, update, or start new pods, services, replication controller
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- unable to stop, update, or start new pods, services, replication controller
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- existing pods and services should continue to work normally, unless they depend on the Kubernetes API
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- existing pods and services should continue to work normally unless they depend on the Kubernetes API
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- API server backing storage lost
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- API server backing storage lost
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- Results
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- Results
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- the kube-apiserver component fails to start successfully and become healthy
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- the kube-apiserver component fails to start successfully and become healthy
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### Mitigations
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### Mitigations
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- Action: Use IaaS provider's automatic VM restarting feature for IaaS VMs
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- Action: Use the IaaS provider's automatic VM restarting feature for IaaS VMs
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- Mitigates: Apiserver VM shutdown or apiserver crashing
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- Mitigates: Apiserver VM shutdown or apiserver crashing
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- Mitigates: Supporting services VM shutdown or crashes
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- Mitigates: Supporting services VM shutdown or crashes
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