** Changed in: nova
Status: Invalid => In Progress
** Changed in: nova
Assignee: Hiroyuki Eguchi (h-eguchi) => Laszlo Hegedus (laszlo-hegedus)
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https://bugs.launchpad.net/bugs/1474253
Title:
Cannot rebuild a instance booted from volume
Status in OpenStack Compute (nova):
In Progress
Bug description:
User rebuild a instance booted from volume in the following steps.
1. Stop a instance
2. Detach a root device volume.
3. Attach a new root device volume.
4. Start a instance
But, currently, It's impossible by these reasons.
1. User not allowed to detach a root device volume.
- detach boot device volume without warning
(https://bugs.launchpad.net/nova/+bug/1279300)
2. User not allowed to attach a root device volume expect when creating a
instance.
- A get_next_device_name which is executed when attaching volume, never
return a root_device_name.
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