A research material that I have read earlier claimed that 63% of enterprises experience problems every month when attempting to recover a physical or virtual server. To counter or eliminate this problem companies should test the recoverability of backups after they are done.
However, on average, backups are tested every two months, meaning that potentially there are 60 days of bad back-ups. According to that research, respondents said that testing the recoverability of one backup takes 13 hours and it’s this commitment, and the resources it takes that explains why so many IT departments do not do more testing.
Hardware failure is the most common reason (experienced by 68% of organizations) is the most common reason for recovering data on a server, closely followed by a general IT problem such as misconfiguration (63%), and user or operator error (56%).