Cloud Computing Migration Stages
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Questions and Answers

During which stage of the migration process is the OS instance at A suspended, its network traffic redirected to B, and CPU state transferred?

  • Reservation stage
  • Pre-migration stage
  • Stop-and-Copy stage (correct)
  • Iterative pre-copy
  • In which stage does Host B indicate to Host A that it has successfully received a consistent OS image?

  • Activation stage
  • Pre-migration stage
  • Reservation stage
  • Commitment stage (correct)
  • Which type of migration involves the virtual machine being powered-off during the migration process?

  • Hot migration
  • Pre-migration stage
  • Regular migration
  • Cold migration (correct)
  • What is the main assumption that the migration process described in the text depends on?

    <p>Original host stability until migration commits</p> Signup and view all the answers

    At which stage is the migrated VM activated?

    <p>Activation stage</p> Signup and view all the answers

    During which stage does the copy of the VM exist at both hosts, with host A considered primary?

    <p>Stop-and-Copy stage</p> Signup and view all the answers

    During which stage of the migration process are all pages transferred from host A to host B in an iterative pre-copy manner?

    <p>Iterative Pre-Copy</p> Signup and view all the answers

    What is the main purpose of the Reservation stage in the migration process?

    <p>Issue a request to migrate an OS from host A to host B</p> Signup and view all the answers

    In which stage is a physical server freed for maintenance purposes and workloads are dynamically balanced to run at optimized levels?

    <p>Commitment</p> Signup and view all the answers

    What is the key characteristic of the Stop-and-Copy stage in the migration process?

    <p>Suspend first host's Virtual Machine</p> Signup and view all the answers

    Which stage involves transferring only those pages dirtied during the previous transfer phase in an iterative manner?

    <p>Iterative Pre-Copy</p> Signup and view all the answers

    What is the significance of Shortage time being very little in the migration process?

    <p>Avoids downtime of clients</p> Signup and view all the answers

    Which stage in the VM migration process involves transferring the source VM to the target host while the source VM continues to execute and updates are tracked?

    <p>Iterative pre-copy</p> Signup and view all the answers

    During which stage does the IT department receive a request to create a new server for a specific service?

    <p>Commitment stage</p> Signup and view all the answers

    Which stage of VM migration is characterized by the target VM being initiated on the destination host and the source VM being stopped and its contents copied to the target VM?

    <p>Stop-and-copy stage</p> Signup and view all the answers

    At which stage of VM migration is the target VM created but not yet activated, ensuring resources are reserved for its execution?

    <p>Reservation stage</p> Signup and view all the answers

    Which stage of VM migration involves analyzing memory pages that have changed from the pre-copy operation to determine the final set of pages that need to be copied?

    <p>Iterative pre-copy</p> Signup and view all the answers

    During which stage in the VM migration process is the decision to complete migration made after ensuring all changes are tracked, and the final state is copied?

    <p>Commitment stage</p> Signup and view all the answers

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