XenServerRescue
Revision as of 17:41, 31 January 2011 by JoshKearney (talk)
Summary
The ability to boot from a rescue image and mount the original virtual machine's disk as a secondary block device. System could have a standard rescue image or use the same base image and the instance being rescued.
Release Note
This functionality will give a user the ability to mount their instance's disk to a temporary "rescue" instance in the event that the instance becomes unbootable.
Rationale
User stories
Assumptions
Design
Implementation
Rescue
- shut down instance
- spawn temporary instance
- create temporary VBD
- plug VBD into temporary instance
- setup VNC console access to temporary instance
Unrescue
- unplug VBD
- destroy temporary VBD
- destroy temporary instance
- boot normal instance
