1. A method performed by a computing device in a computing system having a plurality of hosts interconnected by a computer network, comprising: receiving a notification of a fault from a host in the computing system, the host performing one or more computing tasks for one or more users; determining whether recovery of the fault in the received notification is deferrable on the host; and in response to determining that the fault in the received notification is deferrable, setting a time delay to perform a recovery operation on the host at a later time; and disallowing additional assignments of computing tasks to the host.