With reference to Chapter 6, System Migration of an Existing System to a Proxmox VE Cluster, we ran through all the steps to perform system migration. However, there are some minor configurations that will cause the migration process to fail.
Symptom: When you try to move your existing KVM machine from one server to another, you might encounter the following error:
ERROR: Failed to sync data - can't migrate local cdrom 'local:iso/CentOS-6.5-x86_64-minimal.iso'aborting phase 1 - cleanup resources
Root cause: This is a common mistake, especially if you want to move your KVM image after you have finished installing the operating system under your VM. The local mounted ISO ...