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Notes when the bus type of disk is changed from virtio to IDE by using virt-manager

Solution Unverified - Updated 2012-06-20T07:33:22+00:00 -

Issue

KVM guest fails to boot after the following are executed.

Change the bus type of disk from virtio to IDE by using virt-manager.
Install another IDE disk in the same guest newly by using virt-manager.

Environment

Red Hat Enterprise Linux 6.3
kvm
When the version improves from the minor version before RHEL6.2 to RHEL6.3, this issue occurs on existing KVM hosts.
When the KVM environment is newly made with RHEL6.3, this issue does not occur.

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