Tag
vm-state
- Oct 9, 2026 Abort Paths and the Blackout Window A migration can fail at any point, and what the guest experiences depends on which side still holds a complete state. The ordering of commit, acknowledgement, and source teardown defines what rollback is possible. virtualization
- Apr 24, 2025 Serializing Device State Across a Migration Emulated devices carry configuration registers, queue indices, and pending interrupts that must be reconstructed exactly on the destination. The format is versioned, and the failure mode is a guest that resumes with a device it does not recognise. virtualization
- Jan 3, 2023 The Stop-and-Copy Boundary in Live Migration Why a migrating virtual machine must freeze its vCPUs at one exact instant, what state that instant must capture, and how the residual copy sets the floor on downtime. virtualization