Question

A company is migrating a fleet of 40 Linux application servers from an on-premises data center to the cloud using a rehost strategy. Management requires that the cutover window be as short as possible and that the cloud copies stay continuously up to date with the source servers until the moment of switchover. The team wants to minimize manual reconfiguration of each server. Which approach best satisfies these requirements?

Accepted Answer

Deploy an agent-based cloud migration service that performs continuous block-level replication of each source server, then boot the replicated instances during a brief cutover window

Answer

Export each server to an OVA image, upload the images to object storage weekly, and import them as new instances the day before cutover

Answer

Rebuild all 40 servers from scratch using an infrastructure-as-code template and manually copy application data at cutover

Answer

Take a one-time snapshot of each server's disks, ship the snapshots to the cloud, and restore them during a multi-day maintenance window