Saving Domain Configurations for Future Rebuilding The basic process is to save the resource constraints information for each domain into an XML file, which can then be re-issued to the Logical Domains Manager, for example, after a hardware failure to rebuild a desired configuration. Restore a Domain Configuration From an XML File ( ldm add-domain ) works for guest domains, but not for the control ( primary ) domain. You can save the primary domain's constraints to an XML file, but you cannot feed the file back into the ldm add-domain -i command. However, you can use the ldm init-system command and the resource constraints from the XML file to reconfigure your primary domain. You can also use the ldm init-system command to reconfigure other domains that are described in the XML file, but those domains are left inactive when the configuration is complete. The method that follows does not preserve actual bindings, only the ...
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