Merge "Correct some nits for moving servers in concept doc"
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@ -413,10 +413,9 @@ and live migration (moving a server that is active).
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Cold migration moves a server from one host to another by copying its
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Cold migration moves a server from one host to another by copying its
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state, local storage and network configuration to new resources
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state, local storage and network configuration to new resources
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allocated on a new host selected by scheduling policies or as
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allocated on a new host selected by scheduling policies. The operation is
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an explicit decision. The operation is relatively quick as the
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relatively quick as the server is not changing its state during the copy
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server is not changing its state during the copy process. The user
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process. The user does not have access to the server during the operation.
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does not have access to the server during the operation.
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Live migration moves a server from one host to another while it
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Live migration moves a server from one host to another while it
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is active, so it is constantly changing its state during the action.
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is active, so it is constantly changing its state during the action.
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@ -461,9 +460,9 @@ a cloud:
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- **Resource Optimization**
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- **Resource Optimization**
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To reduce energy usage, some users will try and move servers so
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To reduce energy usage, some cloud operators will try and move
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they fit into the minimum number of hosts, allowing some servers
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servers so they fit into the minimum number of hosts, allowing
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to be turned off.
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some servers to be turned off.
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Sometimes higher performance might be wanted, so servers are
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Sometimes higher performance might be wanted, so servers are
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spread out between the hosts to minimize resource contention.
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spread out between the hosts to minimize resource contention.
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