MTTR is a measure of the average length of time a given system takes to repair.
Expected Service Recovery Time = (deadtime[1]/2)+ Expected fencing time + Expected service start time
Expected Service Availability = MTBF[2] / (MTBF[2] + MTTR)
MTBF[2]
| [1] | http://www.linux-ha.org/ha.cf/DeadtimeDirective |
| [2] | http://www.linux-ha.org/MTBF |
This information provided courtesy of the Linux-HA project at http://linux-ha.org/