The replacement procedure depends on the component being replaced and the condition of the component. Replacing Components of a Host Running in Degraded ModeThe procedures for replacing components of hosts in degraded depend on whether the host is part of a workload domain. Replace a Dead HostIf you need to replace a dead host, you must remove the host from the physical rack. You can then add a new host or replace the failed component on the host and add it back. Replace Boot Disk on a HostThis section describes the replacement procedure for a failed boot disk on a host.