Unplanned increase in downtime.
Due to a bug in the bootloader reconfiguration scripts, information about previous drive changes in the disk array on ambrosia were not properly propagated to the bootloader. Absent this information, the server was unable to boot after the physical move last night. Diagnosis and a work-around for this bug took roughly 3.5h, extending the scheduled outage until around midnight last night. A bug report has been submitted to the script maintainers, and the workaround has been noted for future drive changes.