Document KubeVirt platform live migration expectations #4862
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Signed-off-by: David Vossel <davidvossel@gmail.com>
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Signed-off-by: David Vossel <davidvossel@gmail.com>
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| # Worker Node Live Migration Overview | |||
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| In order to prevent disrupting guest cluster workloads, guest cluster VMs are | |||
| the underlying infrastructure cluster hosting the VMs. | ||
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| This functionality allows the underlying infrastructure cluster to update | ||
| without impacting the availability and operation of the KubeVirt platform guest |
| ## Expections when Live Migration is Disabled | ||
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| When VMs within a NodePool are not capable of live migrating, workload | ||
| disruption on the guest cluster can occur during infrastructure cluster |
| disruption on the guest cluster can occur during infrastructure cluster | ||
| maintenance events. By default during normal operation the hypershift | ||
| controllers will attempt to drain the workloads hosted on KubeVirt VMs not | ||
| capable of live migration before the VM is shutdown. Draining the guest cluster |
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This adds documentation that outlines the expectations around KubeVirt VM live migration within hypershift