Abstract:
Preventive maintenance combined with disaster
recovery planning will help to minimize the
hardware and software problems if disaster occurs.
Disaster recovery processes involve unplanned
interruption of services. Unplanned
downtime is mainly caused by software failure
due to software aging rather than hardware failure.
Preventive maintenance (software rejuvenation)
is used to counteract the software aging
phenomenon. In this paper, we propose preventive
maintenance model for virtualized local disaster
recovery plan through a stochastic Petri net
model. In the proposed model, active-standby
virtualized clustering architecture is employed.
We analyze how preventive maintenance can
improve the system availability of virtualized
local disaster recovery plan. We perform the
evaluation of the proposed model using SHARPE
simulation tool.
